Add .gitea/workflows/docker-build.yml

All list endpoints now accept ?page and ?limit (default 50, max 200) and
return { data, total, page, limit } instead of a bare array, preventing
memory and performance failures at scale.

- GET /api/dogs: adds pagination, server-side search (?search) and sex
  filter (?sex), and a stats aggregate (total/males/females) for the
  Dashboard to avoid counting from the array
- GET /api/litters: adds pagination; also fixes N+1 query by fetching
  all puppies for the current page in a single query instead of one per
  litter
- DogList: moves search/sex filtering server-side with 300ms debounce;
  adds Prev/Next pagination controls
- LitterList: uses paginated response; adds Prev/Next pagination controls
- Dashboard: reads counts from stats/total fields instead of array length
- LitterDetail, LitterForm: switch dogs fetch to /api/dogs/all (complete
  list, no pagination, for sire/dam dropdowns)
- DogForm: updates litters fetch to use paginated response shape

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitea/workflows/docker-build.yml

@@ -0,0 +1,25 @@
+name: Build and Push Docker Image
+on:
+  push:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container:
+      image: catthehacker/ubuntu:act-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Log in to Gitea Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: registry.alwisp.com
+          username: ${{ secrets.REGISTRY_USER }}
+          password: ${{ secrets.REGISTRY_TOKEN }}
+
+      - name: Build and Push
+        run: |
+          docker build -t registry.alwisp.com/${{ gitea.repository_owner }}/${{ gitea.repository }}:latest .
+          docker push registry.alwisp.com/${{ gitea.repository_owner }}/${{ gitea.repository }}:latest

.gitea/workflows/docker-publish.yml

@@ -1,47 +0,0 @@
-name: Build & Publish Docker Image
-
-on:
-  push:
-    branches:
-      - master
-    tags:
-      - 'v*'
-  workflow_dispatch: {}
-
-jobs:
-  build-and-push:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
-      - name: Log in to Gitea Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: git.alwisp.com
-          username: ${{ secrets.REGISTRY_USER }}
-          password: ${{ secrets.REGISTRY_TOKEN }}
-
-      - name: Extract metadata (tags & labels)
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: git.alwisp.com/jason/breedr
-          tags: |
-            type=raw,value=latest,enable={{is_default_branch}}
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-            type=sha,prefix=sha-,format=short
-
-      - name: Build and push
-        uses: docker/build-push-action@v5
-        with:
-          context: .
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=gha
-          cache-to: type=gha,mode=max

API.md

@@ -1,4 +1,4 @@
-# BREEDR API Documentation (v0.6.1)
+# BREEDR API Documentation (v0.8.0)
 
 Base URL: `/api`
 

CLEANUP_NOTES.md

@@ -1,115 +0,0 @@
-# Documentation Cleanup Notes
-
-## Files to Delete (Outdated)
-
-These documentation files are now outdated and should be deleted manually:
-
-### DATABASE_MIGRATIONS.md
-- **Reason:** We no longer use migrations - clean init only
-- **Replacement:** DATABASE.md has current schema documentation
-- **Action:** Delete this file
-
-### DEPLOY_NOW.md
-- **Reason:** Deployment info is outdated, superseded by README
-- **Replacement:** README.md has up-to-date deployment instructions
-- **Action:** Review and delete if redundant
-
-### FEATURE_IMPLEMENTATION.md
-- **Reason:** Old implementation notes, likely stale
-- **Replacement:** ROADMAP.md has current feature status
-- **Action:** Review content, delete if redundant
-
-### FRONTEND_FIX_REQUIRED.md
-- **Reason:** Specific bug fix notes, likely resolved
-- **Replacement:** Issues are tracked in ROADMAP
-- **Action:** Check if fixed, then delete
-
-### IMPLEMENTATION_PLAN.md
-- **Reason:** Planning document, likely outdated
-- **Replacement:** ROADMAP.md is the living document
-- **Action:** Review and delete if redundant
-
-### SPRINT1_PEDIGREE_COMPLETE.md
-- **Reason:** Sprint-specific notes, now historical
-- **Replacement:** ROADMAP.md shows current progress
-- **Action:** Archive or delete
-
-### migrate-now.sh
-- **Reason:** Shell script for old migration system
-- **Replacement:** Not needed - init.js handles everything
-- **Action:** Delete this file
-
-## Files to Keep (Current)
-
-### DATABASE.md ✓
-- Complete schema documentation
-- Explains clean design (no migrations)
-- Reference for developers
-
-### README.md ✓
-- Main project documentation
-- Installation and setup
-- Current features
-- Recently updated
-
-### ROADMAP.md ✓
-- Development progress tracking
-- Feature planning
-- Version history
-- Recently updated
-
-### INSTALL.md ✓
-- Detailed installation instructions
-- May need review for accuracy
-
-### QUICKSTART.md ✓
-- Quick setup guide
-- May need review for accuracy
-
-## Manual Cleanup Required
-
-Gitea API doesn't support file deletion via MCP in some cases. To clean up:
-
-```bash
-# Pull the branch
-git checkout docs/clean-schema-and-roadmap-update
-
-# Delete outdated files
-git rm DATABASE_MIGRATIONS.md
-git rm DEPLOY_NOW.md
-git rm FEATURE_IMPLEMENTATION.md
-git rm FRONTEND_FIX_REQUIRED.md
-git rm IMPLEMENTATION_PLAN.md
-git rm SPRINT1_PEDIGREE_COMPLETE.md
-git rm migrate-now.sh
-
-# Commit and push
-git commit -m "Clean: Remove outdated documentation files"
-git push origin docs/clean-schema-and-roadmap-update
-```
-
-## Post-Cleanup Review
-
-After cleanup, review these files for accuracy:
-
-1. **INSTALL.md** - Verify installation steps are current
-2. **QUICKSTART.md** - Ensure quick start is up-to-date
-3. **docs/ folder** - Review any documentation in docs/ directory
-
-## Summary
-
-**Keep:**
-- DATABASE.md (new, comprehensive)
-- README.md (updated)
-- ROADMAP.md (updated)
-- INSTALL.md (needs review)
-- QUICKSTART.md (needs review)
-
-**Delete:**
-- DATABASE_MIGRATIONS.md
-- DEPLOY_NOW.md
-- FEATURE_IMPLEMENTATION.md
-- FRONTEND_FIX_REQUIRED.md
-- IMPLEMENTATION_PLAN.md
-- SPRINT1_PEDIGREE_COMPLETE.md
-- migrate-now.sh

DATABASE.md

@@ -1,222 +0,0 @@
-# BREEDR Database Schema
-
-## Overview
-
-This document describes the clean database schema for BREEDR. **NO migrations** - fresh installs create the correct schema automatically.
-
-## Schema Design
-
-### Core Principle: Parents Table Approach
-
-The `dogs` table **does NOT have sire/dam columns**. Parent relationships are stored in the separate `parents` table. This design:
-- Keeps the schema clean and normalized
-- Allows flexible parent relationships
-- Supports future extensions (multiple sires, surrogates, etc.)
-
-## Tables
-
-### dogs
-
-Core registry for all dogs.
-
-```sql
-CREATE TABLE dogs (
-  id INTEGER PRIMARY KEY AUTOINCREMENT,
-  name TEXT NOT NULL,
-  registration_number TEXT UNIQUE,
-  breed TEXT NOT NULL,
-  sex TEXT NOT NULL CHECK(sex IN ('male', 'female')),
-  birth_date DATE,
-  color TEXT,
-  microchip TEXT,
-  photo_urls TEXT,  -- JSON array
-  notes TEXT,
-  litter_id INTEGER,  -- Links to litters table
-  is_active INTEGER DEFAULT 1,
-  created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-  updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-  FOREIGN KEY (litter_id) REFERENCES litters(id) ON DELETE SET NULL
-);
-```
-
-**Important:** NO `sire_id` or `dam_id` columns!
-
-### parents
-
-Stores sire/dam relationships.
-
-```sql
-CREATE TABLE parents (
-  id INTEGER PRIMARY KEY AUTOINCREMENT,
-  dog_id INTEGER NOT NULL,  -- The puppy
-  parent_id INTEGER NOT NULL,  -- The parent
-  parent_type TEXT NOT NULL CHECK(parent_type IN ('sire', 'dam')),
-  FOREIGN KEY (dog_id) REFERENCES dogs(id) ON DELETE CASCADE,
-  FOREIGN KEY (parent_id) REFERENCES dogs(id) ON DELETE CASCADE,
-  UNIQUE(dog_id, parent_type)  -- One sire, one dam per dog
-);
-```
-
-### litters
-
-Breeding records and litter tracking.
-
-```sql
-CREATE TABLE litters (
-  id INTEGER PRIMARY KEY AUTOINCREMENT,
-  sire_id INTEGER NOT NULL,
-  dam_id INTEGER NOT NULL,
-  breeding_date DATE NOT NULL,
-  whelping_date DATE,
-  puppy_count INTEGER DEFAULT 0,
-  notes TEXT,
-  created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-  FOREIGN KEY (sire_id) REFERENCES dogs(id) ON DELETE CASCADE,
-  FOREIGN KEY (dam_id) REFERENCES dogs(id) ON DELETE CASCADE
-);
-```
-
-### health_records
-
-Health tests, vaccinations, exams, treatments.
-
-```sql
-CREATE TABLE health_records (
-  id INTEGER PRIMARY KEY AUTOINCREMENT,
-  dog_id INTEGER NOT NULL,
-  record_type TEXT NOT NULL CHECK(record_type IN ('test', 'vaccination', 'exam', 'treatment', 'certification')),
-  test_name TEXT,
-  test_date DATE NOT NULL,
-  result TEXT,
-  document_url TEXT,
-  notes TEXT,
-  created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-  FOREIGN KEY (dog_id) REFERENCES dogs(id) ON DELETE CASCADE
-);
-```
-
-### heat_cycles
-
-Female heat cycle tracking for breeding timing.
-
-```sql
-CREATE TABLE heat_cycles (
-  id INTEGER PRIMARY KEY AUTOINCREMENT,
-  dog_id INTEGER NOT NULL,
-  start_date DATE NOT NULL,
-  end_date DATE,
-  progesterone_peak_date DATE,
-  breeding_date DATE,
-  breeding_successful INTEGER DEFAULT 0,
-  notes TEXT,
-  created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-  FOREIGN KEY (dog_id) REFERENCES dogs(id) ON DELETE CASCADE
-);
-```
-
-### traits
-
-Genetic trait tracking and inheritance.
-
-```sql
-CREATE TABLE traits (
-  id INTEGER PRIMARY KEY AUTOINCREMENT,
-  dog_id INTEGER NOT NULL,
-  trait_category TEXT NOT NULL,
-  trait_name TEXT NOT NULL,
-  trait_value TEXT NOT NULL,
-  inherited_from INTEGER,  -- Parent dog ID
-  notes TEXT,
-  FOREIGN KEY (dog_id) REFERENCES dogs(id) ON DELETE CASCADE,
-  FOREIGN KEY (inherited_from) REFERENCES dogs(id) ON DELETE SET NULL
-);
-```
-
-## API Usage
-
-### Creating a Dog with Parents
-
-```javascript
-POST /api/dogs
-{
-  "name": "Puppy Name",
-  "breed": "Breed Name",
-  "sex": "male",
-  "sire_id": 5,  // Parent male dog ID
-  "dam_id": 8,   // Parent female dog ID
-  "litter_id": 2  // Optional: link to litter
-}
-```
-
-The API route automatically:
-1. Inserts the dog into `dogs` table (without sire/dam columns)
-2. Creates entries in `parents` table linking to sire and dam
-
-### Querying Parents
-
-```sql
--- Get a dog's parents
-SELECT p.parent_type, d.* 
-FROM parents p 
-JOIN dogs d ON p.parent_id = d.id 
-WHERE p.dog_id = ?;
-
--- Get a dog's offspring
-SELECT d.* 
-FROM dogs d
-JOIN parents p ON d.id = p.dog_id
-WHERE p.parent_id = ?;
-```
-
-## Fresh Install
-
-For a fresh install:
-
-1. **Delete the old database** (if upgrading):
-   ```bash
-   rm data/breedr.db
-   ```
-
-2. **Start the server** - it will create the correct schema automatically:
-   ```bash
-   npm run dev
-   ```
-
-3. **Verify the schema**:
-   ```bash
-   sqlite3 data/breedr.db ".schema dogs"
-   ```
-   
-   You should see `litter_id` but **NO** `sire_id` or `dam_id` columns.
-
-## Troubleshooting
-
-### "no such column: weight" or "no such column: sire_id"
-
-**Solution:** Your database has an old schema. Delete it and let the app recreate it:
-
-```bash
-rm data/breedr.db
-npm run dev
-```
-
-### Parent relationships not saving
-
-Check server logs. You should see:
-```
-✓ Dog inserted with ID: 123
-  Adding sire relationship: dog 123 -> sire 5
-  ✓ Sire relationship added
-  Adding dam relationship: dog 123 -> dam 8
-  ✓ Dam relationship added
-```
-
-If relationships aren't being created, check that `sire_id` and `dam_id` are being sent in the API request.
-
-## Database Files
-
-- `server/db/init.js` - Creates clean schema, no migrations
-- `server/routes/dogs.js` - Handles parent relationships via `parents` table
-- `server/index.js` - Initializes database on startup
-
-**NO MIGRATIONS!** The init file is the source of truth.

DEVELOPMENT.md

@@ -4,115 +4,98 @@ This document provides technical details and guidelines for developing and maint
 
 ## Tech Stack Overview
 
-- **Monorepo Structure**:
-  - `server/`: Express.js backend.
-  - `client/`: React/Vite frontend.
-  - `data/`: SQLite database storage.
-  - `uploads/`: Uploaded images and documents.
-  - `static/`: Static assets for the application.
+### Backend
+- **Node.js & Express**: Core API server.
+- **better-sqlite3**: High-performance SQLite driver.
+- **Multer**: Multi-part form data handling for photo uploads.
+- **Bcrypt & JWT**: (Planned) Authentication and security.
 
-- **Backend**: Node.js, Express, better-sqlite3, multer, bcrypt, jsonwebtoken.
-- **Frontend**: React 18, Vite, React Router 6, Axios, Lucide React, D3 (for pedigree trees).
-- **Database**: SQLite (managed with better-sqlite3).
+### Frontend
+- **React 18 & Vite**: Modern reactive UI with fast HMR.
+- **React Router 6**: Client-side navigation.
+- **Lucide React**: Consistent iconography.
+- **React-D3-Tree & D3.js**: Dynamic pedigree visualization.
+- **Axios**: Promised-based HTTP client for API communication.
 
-## Getting Started
-
-### Prerequisites
-- Node.js (v18+ recommended)
-- npm
-
-### Installation
-1. Clone the repository.
-2. Install root dependencies:
-   ```bash
-   npm install
-   ```
-3. Install client dependencies:
-   ```bash
-   cd client && npm install
-   ```
-
-### Development Commands
-Run the following from the project root:
-- **Run both client and server**: `npm run dev`
-- **Run server only**: `npm run server`
-- **Run client only**: `npm run client`
-- **Initialize Database**: `npm run db:init`
-- **Build for production**: `npm run build`
+---
 
 ## Database Architecture
 
-### Data Storage
-The database is a single SQLite file located at `data/breedr.db`. This directory is automatically created on startup if it doesn't exist.
-
-### Initialization & Schema
-- **Initialization**: `server/db/init.js` defines the initial schema and creates tables if they don't exist.
-- **Migrations**: `server/db/migrations.js` handles schema updates. Migrations run automatically on server startup.
+### SQLite Implementation
+The database is a single file located at `data/breedr.db`. This directory is automatically created on startup.
 
 ### "Parents Table" Approach
-Instead of storing parent IDs directly in the `dogs` table (which was the old approach), relationships are managed in a dedicated `parents` table:
+Parent relationships are managed in a dedicated `parents` table rather than columns in the `dogs` table.
+- ** dog_id**: The child dog.
+- ** parent_id**: The parent dog.
+- ** parent_type**: 'sire' or 'dam'.
 
-```sql
-CREATE TABLE parents (
-  id          INTEGER PRIMARY KEY AUTOINCREMENT,
-  dog_id      INTEGER NOT NULL,
-  parent_id   INTEGER NOT NULL,
-  parent_type TEXT NOT NULL CHECK(parent_type IN ('sire', 'dam')),
-  FOREIGN KEY (dog_id)    REFERENCES dogs(id) ON DELETE CASCADE,
-  FOREIGN KEY (parent_id) REFERENCES dogs(id) ON DELETE CASCADE,
-  UNIQUE(dog_id, parent_type)
-);
-```
+**Benefits**: Supports recursive lookups, avoids `ALTER TABLE` complexity for lineage changes, and allows historical mapping of ancestors without full profiles.
 
-**Key Benefits**:
-- Avoids complex `ALTER TABLE` operations when changing pedigree logic.
-- Cleanly separates dog attributes from lineage relationships.
-- Supports indexing for fast recursive pedigree lookups.
+### Safe Migrations
+BREEDR use a migration-free synchronization approach:
+1. `server/db/init.js` defines the latest table structures.
+2. Safe `ALTER TABLE` guards inject missing columns on startup.
+3. This ensures data persistence across updates without manual migration scripts.
 
 ### Key Tables
-- **`dogs`**: Core dog data (name, breed, sex, microchip, etc.).
-- **`parents`**: Lineage relationships (Sire/Dam).
-- **`litters`**: Groups of dogs from a single breeding.
-- **`breeding_records`**: Planned or completed breeding events.
-- **`health_records`**: OFA results, vaccinations, and other health tests.
-- **`genetic_tests`**: DNA panel results.
-- **`settings`**: Kennel-wide configurations.
+- `dogs`: Registry for kennel and external dogs.
+- `parents`: Ancestry relationships.
+- `litters`: Produced breeding groups.
+- `health_records`: OFA clearances and vet records.
+- `genetic_tests`: DNA panel results.
+- `settings`: Kennel-wide configuration (single row).
 
-## Backend Development
+---
 
-### API Routes
-Routes are modularized in `server/routes/`:
-- `/api/dogs`: Dog management.
-- `/api/litters`: Litter management.
-- `/api/health`: Health record management.
-- `/api/genetics`: Genetic testing management.
-- `/api/pedigree`: Pedigree tree generation.
-- `/api/breeding`: Breeding records.
-- `/api/settings`: Application settings.
+## Frontend Documentation
 
-### File Uploads
-Images and documents are stored in `uploads/`. The `multer` middleware handles file processing. File paths are stored in the database as relative URLs (e.g., `/uploads/image.jpg`).
+### Project Structure
+```text
+client/src/
+├── components/     # Reusable UI (PedigreeTree, DogForm, Cards)
+├── hooks/          # Custom hooks (useSettings)
+├── pages/          # Route-level components
+├── App.jsx         # Routing & Layout
+└── index.css       # Global styles & Design System
+```
 
-## Frontend Development
+### Design System & Styling
+The UI follows a modern dark-theme aesthetic using **CSS Variables** defined in `index.css`:
+- `--primary`: Brand color (Warm Amber/Blue).
+- `--bg-primary`: Deep Slate background.
+- Glassmorphism effects via `backdrop-filter`.
+- Responsive grid layouts (`.grid-2`, `.grid-3`).
 
-### State Management
-- **Settings**: Managed globally via `SettingsProvider` in `client/src/hooks/useSettings.jsx`.
-- **Component State**: Local `useState` and `useEffect` are preferred for feature-specific data.
+### Key Components
+- **PedigreeTree**: horizontal, D3-powered tree with zoom/pan.
+- **DogForm**: Dual-mode (Kennel/External) dog entry with parent selection.
 
-### Styling
-- CSS Variables are used for theming.
-- The UI uses a modern, clean design with Lucide icons.
+---
 
-### Pedigree Trees
-The pedigree tree visualization is powered by `react-d3-tree` and D3.js. Logic for building the tree structure is located in `server/routes/pedigree.js` and visualized in the `PedigreeTree` component.
+## API & Backend Development
 
-## Environment Variables
+### Route Modules (`server/routes/`)
+- `/api/dogs`: Dog registry and photo uploads.
+- `/api/litters`: Litter management and puppy linking.
+- `/api/pedigree`: Recursive ancestry/descendant tree generation.
+- `/api/breeding`: Heat cycle tracking and whelping projections.
 
+### Environment Variables
 | Variable | Description | Default |
 |----------|-------------|---------|
 | `PORT` | Server port | `3000` |
-| `NODE_ENV` | Environment mode | `development` |
-| `DATA_DIR` | Path to DB storage | `../data` |
-| `UPLOAD_PATH` | Path to uploads | `../uploads` |
-| `STATIC_PATH` | Path to static assets | `../static` |
-| `DB_PATH` | Full path to .db file | `../data/breedr.db` |
+| `DB_PATH` | Path to .db file | `../data/breedr.db` |
+| `UPLOAD_PATH`| Path to photo storage| `../uploads` |
+
+---
+
+## Technical History & Design Logs
+
+For deeper technical dives into specific features, refer to the `docs/` directory:
+- [UI Redesign & Color System](docs/UI_REDESIGN.md)
+- [Compact Card Layout Design](docs/COMPACT_CARDS.md)
+- [Microchip Field Unique Constraint Fix](docs/MICROCHIP_FIX.md)
+
+---
+*Last Updated: March 12, 2026*

Dockerfile

@@ -37,14 +37,14 @@ RUN npm install --omit=dev
 # Copy server code
 COPY server/ ./server/
 
+# Copy static assets (branding, etc.) to ensure default logo is present
+COPY static/ ./static/
+
 # Copy built frontend from previous stage
 COPY --from=frontend-builder /app/client/dist ./client/dist
 
-# Create necessary directories (including static for branding assets)
-RUN mkdir -p /app/data /app/uploads /app/static
-
-# Initialize database schema on build
-RUN node server/db/init.js || true
+# Create data and uploads directories
+RUN mkdir -p /app/data /app/uploads
 
 # Set environment variables
 ENV NODE_ENV=production

FRONTEND_GUIDE.md

@@ -1,105 +0,0 @@
-# Frontend Guide
-
-This document provides an overview of the frontend architecture, technologies, and patterns used in the BREEDR application.
-
-## Tech Stack
-
-- **Framework**: [React](https://reactjs.org/) (bootstrapped with [Vite](https://vitejs.dev/))
-- **Routing**: [react-router-dom](https://reactrouter.com/)
-- **Icons**: [lucide-react](https://lucide.dev/)
-- **Data Fetching**: [axios](https://axios-http.com/)
-- **Visualizations**: [react-d3-tree](https://github.com/bkrem/react-d3-tree) (for pedigree rendering)
-- **Styling**: Standard CSS with CSS Variables (Custom properties)
-
-## Project Structure
-
-```text
-client/src/
-├── components/     # Reusable UI components
-├── hooks/          # Custom hooks and context providers
-├── pages/          # Page-level components (routes)
-├── utils/          # Helper functions and utilities
-├── App.jsx         # Root component with routing
-├── App.css         # Layout-specific styles
-├── index.css       # Global styles and CSS variables
-└── main.jsx        # Application entry point
-```
-
-## Routing and Layout
-
-The application uses `react-router-dom` for navigation. The primary layout and routes are defined in `client/src/App.jsx`.
-
-- **Navbar**: Contains links to Dashboard, Dogs, Litters, Breeding, Pairing, and Settings.
-- **Main Content**: Renders the matched route element within a `.main-content` container.
-
-### Key Routes
-- `/`: Dashboard
-- `/dogs`: Dog List
-- `/dogs/:id`: Dog Detail
-- `/pedigree/:id`: Pedigree View
-- `/litters`: Litter List
-- `/breeding`: Breeding Calendar
-- `/pairing`: Pairing Simulator
-- `/settings`: Settings Page
-
-## State Management
-
-### Settings Context (`useSettings`)
-Global application settings (like kennel name) are managed via a React Context.
-
-- **Provider**: `SettingsProvider` in `client/src/hooks/useSettings.jsx`.
-- **Usage**:
-  ```javascript
-  import { useSettings } from '../hooks/useSettings';
-  const { settings, saveSettings, loading } = useSettings();
-  ```
-
-### Local State
-Most page-specific data is managed using standard `useState` and `useEffect` hooks, fetching data via `axios`.
-
-## Styling Conventions
-
-The application follows a dark-theme aesthetic using CSS variables for consistency.
-
-### CSS Variables (`client/src/index.css`)
-Key variables include:
-- `--primary`: Main brand color (warm amber/copper).
-- `--bg-primary`: Primary background.
-- `--text-primary`: Primary text color.
-- `--border`: Standard border color.
-- `--radius`: Default border radius.
-
-### Reusable UI Classes
-- `.btn`, `.btn-primary`, `.btn-secondary`: Standard button styles.
-- `.card`: Container for grouped content.
-- `.grid`, `.grid-2`, `.grid-3`: Responsive grid layouts.
-- `.modal-overlay`, `.modal-content`: Standard modal structure.
-
-## Key Components
-
-### PedigreeTree (`client/src/components/PedigreeTree.jsx`)
-Uses `react-d3-tree` to render a horizontal, step-based pedigree.
-- **Props**: `dogId`, `pedigreeData`, `coi`.
-- **Features**: Custom node rendering (differentiating by sex and champion status), zoom/pan controls, and COI display.
-
-### DogForm (`client/src/components/DogForm.jsx`)
-Handles both creation and editing of dog records.
-- **Logic**: Manages internal/external dog states, parent selection (manual or linked to litter), and champion status.
-- **Validation**: Basic required field validation; errors are displayed at the top of the form.
-
-## Data Fetching Patterns
-
-Standard `axios` requests are used:
-```javascript
-const fetchData = async () => {
-  try {
-    const res = await axios.get('/api/endpoint');
-    setData(res.data);
-  } catch (err) {
-    setError(err.response?.data?.error || 'Error message');
-  }
-};
-```
-
-## Icons
-Use `lucide-react` for all icons to ensure consistency across the UI.

QUICKSTART.md

@@ -1,340 +0,0 @@
-# BREEDR Quick Start Guide
-## Litter Management & Pedigree Visualization
-
-## Installation
-
-### 1. Pull the Feature Branch
-```bash
-git checkout feature/litter-management-and-pedigree
-```
-
-### 2. Run Database Migration
-```bash
-node server/db/migrate_litter_id.js
-```
-
-You should see:
-```
-Running litter_id migration...
-✓ Added litter_id column to dogs table
-✓ Created index on litter_id
-Migration completed successfully!
-```
-
-### 3. Install Dependencies
-```bash
-cd client
-npm install
-cd ..
-```
-
-### 4. Start the Application
-```bash
-npm run dev
-```
-
-The server will start on `http://localhost:3000` and the client on `http://localhost:5173`
-
----
-
-## Feature 1: Litter Management
-
-### Creating Your First Litter
-
-1. **Navigate to Litters**
-   - Click "Litters" in the navigation menu
-   - Click "Add New Litter" button
-
-2. **Fill in Litter Details**
-   - **Sire (Father)**: Select from dropdown of male dogs
-   - **Dam (Mother)**: Select from dropdown of female dogs
-   - **Breeding Date**: Date of breeding (required)
-   - **Whelping Date**: Expected/actual birth date (optional)
-   - **Expected Puppy Count**: Estimated number of puppies
-   - **Notes**: Any additional breeding information
-
-3. **Save the Litter**
-   - Click "Create Litter"
-   - Litter appears in the list with format: "Sire x Dam - Date"
-
-### Adding Puppies to a Litter
-
-#### Method 1: Link to Existing Litter (Recommended)
-
-1. **Click "Add New Dog"**
-2. **Enter Puppy Details**
-   - Name (required)
-   - Breed (required)
-   - Sex (required)
-   - Birth Date
-   - Color
-   - Microchip
-
-3. **Select Parent Method**
-   - Choose "Link to Litter" radio button
-   - Select the litter from dropdown
-   - Parents are automatically filled!
-
-4. **Save**
-   - Click "Add Dog"
-   - Puppy is now linked to the litter
-   - Parent relationships are automatically created
-
-#### Method 2: Manual Parent Selection
-
-1. **Click "Add New Dog"**
-2. **Enter Puppy Details**
-3. **Select Parent Method**
-   - Choose "Manual Parent Selection" radio button
-   - Select Sire from male dogs dropdown
-   - Select Dam from female dogs dropdown
-
-4. **Save**
-   - Puppy is created with selected parents
-   - No litter association
-
-### Viewing Litter Details
-
-1. **Click on a Litter** in the list
-2. **See Litter Information:**
-   - Sire and Dam details
-   - Breeding and whelping dates
-   - List of all puppies in the litter
-   - Actual puppy count vs expected
-
-### Editing a Litter
-
-1. Click "Edit" on the litter
-2. Update breeding/whelping dates
-3. Modify notes
-4. **Note:** Cannot change sire/dam after creation
-
----
-
-## Feature 2: Interactive Pedigree Tree
-
-### Viewing a Pedigree
-
-1. **From Dog List:**
-   - Click on any dog
-   - Click "View Pedigree" button
-
-2. **Pedigree Opens in Modal**
-   - Shows dog's ancestry tree
-   - 5 generations displayed
-   - Color-coded by sex:
-     - Blue nodes = Males ♂
-     - Pink nodes = Females ♀
-
-### Navigating the Tree
-
-#### Zoom Controls
-- **Zoom In**: Click "+" button or mouse wheel up
-- **Zoom Out**: Click "-" button or mouse wheel down
-- **Reset View**: Click reset button to center tree
-
-#### Panning
-- **Click and Drag**: Move the tree around
-- **Mouse Wheel**: Zoom in/out
-
-#### Node Information
-Each node displays:
-- Dog name (large text)
-- Registration number
-- Birth year
-- Sex symbol (♂ or ♀)
-
-### Reading the Tree
-
-```
-                        Great-Great-Grandpa ♂
-                   Great-Grandpa ♂
-                        Great-Great-Grandma ♀
-              Grandpa ♂
-                        Great-Great-Grandpa ♂
-                   Great-Grandma ♀
-                        Great-Great-Grandma ♀
-         Sire ♂
-                        Great-Great-Grandpa ♂
-                   Great-Grandpa ♂
-                        Great-Great-Grandma ♀
-              Grandma ♀
-                        Great-Great-Grandpa ♂
-                   Great-Grandma ♀
-                        Great-Great-Grandma ♀
-Dog Name
-         Dam ♀
-              [... similar structure for dam's side]
-```
-
----
-
-## Common Workflows
-
-### Workflow 1: Breeding a Litter
-
-1. ✓ Select breeding pair (sire and dam)
-2. ✓ Create litter record with breeding date
-3. ✓ Track whelping date when puppies are born
-4. ✓ Add each puppy:
-   - Link to the litter
-   - Enter individual details
-   - Assign registration numbers
-5. ✓ View pedigree of any puppy to see full ancestry
-
-### Workflow 2: Recording Historical Dogs
-
-1. ✓ Add foundation dogs (no parents)
-2. ✓ Add their offspring using manual parent selection
-3. ✓ Continue building the family tree
-4. ✓ View pedigrees to verify relationships
-
-### Workflow 3: Planning a Breeding
-
-1. ✓ View pedigrees of potential sire and dam
-2. ✓ Check for common ancestors
-3. ✓ Use trial pairing tool (coming soon)
-4. ✓ Create litter when breeding occurs
-
----
-
-## Tips & Best Practices
-
-### For Litter Management
-
-✅ **Do:**
-- Create the litter record BEFORE adding puppies
-- Enter accurate breeding dates for record keeping
-- Use meaningful notes (progesterone timing, heat cycle info)
-- Link puppies to litters for automatic parent relationships
-
-❌ **Don't:**
-- Don't change sire/dam after litter creation (create new litter instead)
-- Don't forget to update whelping date when puppies arrive
-- Avoid mixing litter-linked and manually-parented puppies
-
-### For Pedigree Viewing
-
-✅ **Do:**
-- Zoom out to see the full tree at once
-- Use drag to focus on specific branches
-- Click nodes to see additional details
-- Reset view if you get lost
-
-❌ **Don't:**
-- Don't try to edit from pedigree view (use dog edit form)
-- Avoid excessive zooming (can make nodes too small)
-
-### Data Entry Tips
-
-1. **Registration Numbers**: Enter consistently (e.g., "AKC-12345")
-2. **Microchips**: Use full 15-digit number
-3. **Birth Dates**: Critical for age calculations and sorting
-4. **Breed Names**: Keep consistent spelling and capitalization
-5. **Colors**: Use standard color terminology for your breed
-
----
-
-## Troubleshooting
-
-### "No such column: sire" Error
-
-**Problem:** Getting this error when adding a dog
-
-**Solution:** 
-1. Make sure you ran the migration:
-   ```bash
-   node server/db/migrate_litter_id.js
-   ```
-2. Restart the server
-3. Try again
-
-### Pedigree Tree Not Loading
-
-**Problem:** Pedigree modal shows "Loading..." forever
-
-**Possible Causes:**
-- Dog has no parents recorded
-- Network issue
-- Server not running
-
-**Solution:**
-1. Check browser console for errors
-2. Verify server is running
-3. Ensure dog has at least one parent recorded
-
-### Parents Not Auto-Populating
-
-**Problem:** Selected a litter but parents didn't fill in
-
-**Solution:**
-1. Refresh the page
-2. Make sure litter has valid sire and dam
-3. Try selecting the litter again
-
-### Can't See All Generations
-
-**Problem:** Pedigree tree only shows 2-3 generations
-
-**This is normal if:**
-- Older generations don't have parents recorded
-- Foundation dogs have no ancestry
-- You need to add more historical data
-
----
-
-## Keyboard Shortcuts
-
-*Coming in future release*
-
-- `Ctrl/Cmd + N` - New Dog
-- `Ctrl/Cmd + L` - New Litter  
-- `Ctrl/Cmd + P` - View Pedigree
-- `Esc` - Close Modal
-
----
-
-## Next Features Coming Soon
-
-🔜 **Trial Pairing Simulator**
-- Calculate COI before breeding
-- See common ancestors
-- Risk assessment
-
-🔜 **Heat Cycle Tracking**
-- Track progesterone levels
-- Breeding date recommendations
-- Calendar view
-
-🔜 **PDF Pedigree Export**
-- Print-ready pedigrees
-- Custom formatting
-- Multiple generations
-
----
-
-## Getting Help
-
-- **Documentation:** [FEATURE_IMPLEMENTATION.md](./FEATURE_IMPLEMENTATION.md)
-- **Roadmap:** [ROADMAP.md](./ROADMAP.md)
-- **Installation:** [INSTALL.md](./INSTALL.md)
-- **README:** [README.md](./README.md)
-
----
-
-## Video Tutorials
-
-*Coming soon - check back for video walkthroughs of these features!*
-
-1. Creating Your First Litter
-2. Adding Puppies to a Litter
-3. Navigating Pedigree Trees
-4. Advanced Breeding Records
-
----
-
-## Congratulations!
-
-You're now ready to use BREEDR's litter management and pedigree visualization features. Start by creating a litter or viewing a pedigree tree!
-
-**Happy Breeding! 🐶**

README.md

@@ -2,365 +2,86 @@
 
 A reactive, interactive dog breeding genealogy mapping system for professional kennel management.
 
-## ✅ Current Features
+---
 
-### Core Functionality
-- **✅ Dog Registry** - Complete CRUD operations with comprehensive profiles
-- **✅ Photo Management** - Multiple photos per dog with upload/delete capabilities
-- **✅ Parent Relationships** - Clean database design using `parents` table (no sire/dam columns in dogs table)
-- **✅ Litter Management** - Track breeding records, link puppies to litters
-- **✅ Interactive Pedigree Visualization** - Multi-generational family trees with zoom/pan
-- **✅ Modern UI** - Sleek, dark-themed interface with compact info cards
-- **✅ Search & Filter** - Find dogs by name, breed, sex, and more
-- **✅ Branded Navigation** - Custom logo (br-logo.png) with gold-to-rusty-red gradient title
-- **✅ Trial Pairing Simulator** - COI calculator with common ancestors table and risk badge
-- **✅ Heat Cycle Calendar** - Month grid calendar with cycle windows, breeding date suggestions, and **projected whelping identifiers**
-- **✅ Champion Bloodline Tracking** - Mark dogs as titled champions; offspring display a Champion Bloodline badge
-- **✅ Kennel Settings** - Configurable kennel name, tagline, address, AKC ID, breed, owner info
-- **✅ UI Theme** - CSS custom property theming with `--champion-gold` and dark-mode variables
+## 🌟 Recent Highlights (v0.8.0)
+- **✅ Reverse Pedigree** — Toggle between ancestors and descendants view for full lineage tracking.
+- **✅ External Dog Mapping** — Assign parents to external dogs, allowing for full genealogy of outside lines.
+- **✅ Universal Parent Selection** — Select any dog (kennel or external) as a sire/dam from any profile.
 
-### Database Architecture
-- **✅ Clean Schema** - No migrations needed; fresh installs create correct structure; existing DBs auto-migrate via safe `ALTER TABLE` guards
-- **✅ Normalized Design** - `parents` table for relationships (sire/dam)
-- **✅ Litter Linking** - Dogs linked to litters via `litter_id`
-- **✅ Health Records** - Medical history and genetic testing
-- **✅ Heat Cycles** - Breeding cycle tracking
-- **✅ Genetic Traits** - Inherited trait mapping
-- **✅ Settings Table** - Single-row kennel configuration with all contact/identity fields
+---
 
-### Recently Added (March 10, 2026 — v0.6.1)
-- **✅ COI Direct-Relation Fix** — `calculateCOI` now correctly computes inbreeding coefficient for parent×offspring pairings. Previously returned `0.00%` due to blanket exclusion of `sid` from `commonIds`; sire now correctly appears as a common ancestor in the dam's ancestry map when they are parent×offspring
-- **✅ pedigree.js Route Fix** — `commonIds` filter changed from `id !== sid && id !== did` → `id !== did` only; preserves parent×offspring COI path while still preventing reflexive dam self-loop
-- **Expected COI for parent×offspring pairing:** ~25.00% (Wright's path coefficient method)
-
-### Previously Added (March 9, 2026 — v0.6.0)
-- **✅ Champion Flag** — `is_champion INTEGER DEFAULT 0` on `dogs` table; safe `ALTER TABLE` migration guard for existing DBs
-- **✅ Champion Toggle in DogForm** — amber-gold highlighted checkbox row with `Award` icon; marks dog as titled champion
-- **✅ Champion ⭐ in Parent Dropdowns** — sire/dam selects append `⭐` to champion names for at-a-glance visibility
-- **✅ Champion Bloodline Badge** — offspring of champion parents display a badge on dog cards and detail pages
-- **✅ Kennel Settings API** — `GET/PUT /api/settings` with single-row column schema and ALLOWED_KEYS whitelist
-- **✅ Settings Table Migration** — all kennel fields added with safe `ALTER TABLE` guards on existing DBs; default seed row auto-created
-- **✅ SettingsProvider / useSettings** — React context hook renamed `useSettings.jsx` (was `.js`; contained JSX causing Vite build failure)
-- **✅ `server/index.js` Fix** — `initDatabase()` called with no args to match updated `db/init.js`; removed duplicate `/api/health` route
-- **✅ `settings.js` Route Fix** — rewrote from double-encoded base64 + old key/value schema to correct single-row column schema
-
-### Previously Added (March 9, 2026 — v0.5.1)
-- **✅ Projected Whelp Window on Calendar** - Indigo/purple day cells (days 58–65 from breeding date) visible directly on the month grid
-- **✅ Expected Whelp Day Marker** - Indigo dot on the exact expected whelp day (day 63) alongside the green breeding dot
-- **✅ "[Name] due" Cell Label** - Baby 🍼 icon + dog name label inside the whelp day cell
-- **✅ Active Cycle Card — Whelp Range** - "Whelp est. [date]" row with earliest–latest range shown on each active cycle card
-- **✅ Jump-to-Whelp-Month Button** - One-click navigation to the whelp month when it differs from current view
-- **✅ Live Whelp Preview in Modal** - Instant client-side earliest/expected/latest preview as soon as a breeding date is entered (no save required)
-- **✅ Whelping Banner** - Full-width indigo banner listing dogs with projected whelps when no active heat cycles are visible
-- **✅ Legend Entry** - "Projected Whelp" added to calendar legend
-- **✅ Updated Page Subtitle** - Now reads: *"Track heat cycles, optimal breeding windows, and projected whelping dates"*
-
-### Previously Added (March 9, 2026 — v0.5.0)
-- **✅ Heat Cycle Calendar** - Full month grid with color-coded cycle windows (Proestrus / Optimal / Late Estrus / Diestrus)
-- **✅ Start Cycle Modal** - Click any day or the header button to log a new heat cycle for a female
-- **✅ Breeding Date Suggestions** - Phase windows with date ranges loaded from `GET /api/breeding/heat-cycles/:id/suggestions`
-- **✅ Whelping Estimate** - Auto-calculates earliest/expected/latest whelping once a breeding date is logged
-- **✅ Trial Pairing Simulator** - `/pairing` route with sire/dam dropdowns, COI%, risk badge, and common ancestors table
-- **✅ Pairing Nav Link** - `FlaskConical` icon added to navbar
-- **✅ New API Endpoints** - `GET /api/breeding/heat-cycles`, `GET /api/breeding/heat-cycles/:id/suggestions`
-
-### Previously Added (March 9, 2026 — v0.4.x)
-- **✅ Brand Logo** - Custom `br-logo.png` in navbar replacing generic icon
-- **✅ Gradient Title** - Gold-to-rusty-red gradient on "BREEDR" brand text
-- **✅ Static Asset Serving** - `/static` directory served by Express for branding assets
-- **✅ Dev Proxy** - Vite dev server proxies `/static` to Express backend
-- **✅ Route Fix** - `/static` and `/uploads` paths no longer fall through to React catch-all
-- **✅ Logo Sizing** - Fixed brand logo to 1:1 aspect ratio square
-
-## Technology Stack
-
-- **Frontend**: React 18 with modern component design
-- **Visualization**: React-D3-Tree for pedigree charts
-- **Backend**: Node.js/Express API
-- **Database**: SQLite (embedded, zero-config) with clean normalized schema + safe `ALTER TABLE` migration guards
-- **Container**: Single Docker image with multi-stage build
-- **Styling**: CSS custom properties with dark theme + `--champion-gold` + gradient branding
-
-## Quick Start
-
-### Docker Deployment (Recommended)
+## 🚀 Quick Start
 
+### 1. Docker Deployment (Recommended)
 ```bash
-# Clone repository
 git clone https://git.alwisp.com/jason/breedr.git
 cd breedr
-
-# Build Docker image
-docker build -t breedr:latest .
-
-# Run with docker-compose
-docker-compose up -d
-```
-
-Access at: `http://localhost:3000`
-
-### Upgrading an Existing Installation
-
-The database now uses safe `ALTER TABLE` guards — **you do not need to delete your database to upgrade**. Just pull and rebuild:
-
-```bash
-docker-compose down
-git pull origin master
 docker-compose up -d --build
 ```
+Access at: `http://localhost:3000`
 
-New columns (`is_champion`, all `settings` kennel fields) are added automatically on first boot. Your existing dog data is preserved.
-
-### Fresh Install Database Setup
-
-For a **fresh install**, the database will automatically initialize with the correct schema and seed a default settings row.
-
-## Database Schema
-
-### Key Design Principles
-
-1. **No sire/dam columns in `dogs` table** - Parent relationships stored in `parents` table
-2. **Normalized structure** - Reduces redundancy, improves data integrity
-3. **Litter linking** - Dogs reference litters via `litter_id` foreign key
-4. **Safe migrations** - `ALTER TABLE ... ADD COLUMN` guards allow zero-downtime upgrades
-
-### Core Tables
-
-- **dogs** - Core dog registry; includes `is_champion`, `litter_id`, `photo_urls`
-- **parents** - Sire/dam relationships (dog_id, parent_id, parent_type)
-- **litters** - Breeding records with sire/dam references
-- **health_records** - Medical and genetic testing
-- **heat_cycles** - Breeding cycle tracking
-- **traits** - Genetic trait mapping
-- **settings** - Single-row kennel configuration (kennel_name, tagline, address, phone, email, website, akc_id, breed, owner_name)
-
-**Full schema documentation:** [DATABASE.md](DATABASE.md)
-
-## Environment Variables
-
-- `NODE_ENV` - production/development (default: production)
-- `PORT` - Server port (default: 3000)
-- `DATA_DIR` - Data directory for SQLite file (default: /app/data)
-- `UPLOAD_PATH` - Upload directory (default: /app/uploads)
-- `STATIC_PATH` - Static assets directory (default: /app/static)
-
-## Development
-
-### Local Development Setup
-
+### 2. Manual Development Setup
 ```bash
-# Install dependencies
 npm install
-
-# Run development server (frontend + backend, nodemon auto-reload)
 npm run dev
-
-# Build for production
-npm run build
 ```
+> **Note:** The database initializes automatically on first boot. No manual migrations are required.
 
-> **Note:** `npm run dev` uses nodemon for auto-reload on the server. `npm start` (production) does **not** watch for changes — restart is required after pulling updates.
+---
 
-### Project Structure
+## 🐕 Managing Your Kennel
 
+- **Adding Dogs**: Go to the **Dogs** page, click **Add New Dog**. You can mark dogs as **External** if they aren't in your kennel but are needed for pedigree mapping.
+- **Champion Tracking**: Toggle the **Champion** status to title dogs. Offspring will automatically display the "Champion Bloodline" badge.
+- **Photo Management**: Multiple high-quality photos per dog with a compact gallery view.
+- **Litter Tracking**: Link puppies to breeding records automatically to track weight and health from birth.
+
+## 🧬 Breeding & Genetics
+
+- **Interactive Pedigree**: 5-generation trees with zoom/pan. Toggle the **Reverse Pedigree** switch to see descendant lineage.
+- **Trial Pairing Simulator**: Calculate Wright's Inbreeding Coefficient (COI) instantly. Identifies common ancestors and providing risk badges (Low/Moderate/High).
+- **Heat Cycles**: Track female cycles on the calendar. Includes **projected whelping alerts** (indigo windows) and expected due dates.
+
+---
+
+## 🛠️ Technology Stack
+- **Frontend**: React 18, Vite, Lucide Icons
+- **Visualization**: React-D3-Tree, D3.js
+- **Backend**: Node.js, Express.js
+- **Database**: SQLite (Zero-config, safe `ALTER TABLE` migrations)
+- **Deployment**: Multi-stage Docker
+
+---
+
+## 📂 Project Structure
 ```
 breedr/
-├── client/                 # React frontend
-│   ├── src/
-│   │   ├── pages/
-│   │   │   ├── BreedingCalendar.jsx  # Heat cycle calendar + whelping identifiers
-│   │   │   ├── PairingSimulator.jsx  # Trial pairing + COI
-│   │   │   ├── SettingsPage.jsx      # Kennel settings form
-│   │   │   ├── Dashboard.jsx
-│   │   │   ├── DogList.jsx
-│   │   │   ├── DogDetail.jsx
-│   │   │   ├── PedigreeView.jsx
-│   │   │   └── LitterList.jsx
-│   │   ├── components/
-│   │   │   └── DogForm.jsx           # Champion toggle + parent selects
-│   │   ├── hooks/
-│   │   │   └── useSettings.jsx       # SettingsProvider + useSettings context
-│   │   └── App.jsx
-│   └── package.json
-├── server/                 # Node.js backend
-│   ├── routes/
-│   │   ├── dogs.js         # is_champion in all queries
-│   │   ├── settings.js     # GET/PUT kennel settings (single-row schema)
-│   │   ├── breeding.js     # Heat cycles, whelping, suggestions
-│   │   ├── pedigree.js     # COI, trial pairing (v0.6.1 direct-relation fix)
-│   │   ├── litters.js
-│   │   └── health.js
-│   ├── db/
-│   │   └── init.js         # Schema + ALTER TABLE migration guards
-│   └── index.js
-├── static/                 # Branding assets (br-logo.png, etc.)
-├── docs/                   # Documentation
-├── ROADMAP.md
-├── DATABASE.md
-├── Dockerfile
-├── docker-compose.yml
-└── README.md
+├── client/                 # React frontend (Pages: Pedigree, Pairing, Calendar, Settings)
+├── server/                 # Node.js backend (Routes: Dogs, Pedigree, Breeding, Settings)
+├── static/                 # Branded assets (logos, etc.)
+├── data/                   # SQLite database storage (mapped in Docker)
+├── uploads/                # Dog photo storage (mapped in Docker)
+└── docs/                   # Technical documentation and design history
 ```
 
-## API Endpoints
+---
 
-### Dogs
-- `GET/POST /api/dogs` - Dog CRUD operations
-- `GET /api/dogs/:id` - Get dog with parents (incl. is_champion), offspring, and health summary
-- `PUT /api/dogs/:id` - Update dog (incl. is_champion)
-- `POST /api/dogs/:id/photos` - Upload photos
+## 🕒 Release Summary
 
-### Settings
-- `GET /api/settings` - Get kennel settings
-- `PUT /api/settings` - Update kennel settings (partial update supported)
+- **v0.8.0** (Mar 2026): Reverse Pedigree & External dog parentage.
+- **v0.7.0** (In Progress): Health & Genetics (OFA clearances, DNA panels).
+- **v0.6.1**: COI calculation fix for direct parent×offspring relations.
+- **v0.6.0**: Champion status tracking & Kennel settings API.
 
-### Pedigree & Genetics
-- `GET /api/pedigree/:id` - Generate pedigree tree
-- `POST /api/pedigree/trial-pairing` - COI + common ancestors + risk recommendation
-- `GET /api/pedigree/relations/:sireId/:damId` - Direct relation detection (parent/grandparent check)
+---
 
-### Breeding & Heat Cycles
-- `GET /api/breeding/heat-cycles` - All heat cycles
-- `GET /api/breeding/heat-cycles/active` - Active cycles with dog info
-- `GET /api/breeding/heat-cycles/dog/:dogId` - Cycles for a specific dog
-- `GET /api/breeding/heat-cycles/:id/suggestions` - Breeding windows + whelping estimate
-- `POST /api/breeding/heat-cycles` - Create new heat cycle
-- `PUT /api/breeding/heat-cycles/:id` - Update cycle (log breeding date, etc.)
-- `DELETE /api/breeding/heat-cycles/:id` - Delete cycle
-- `GET /api/breeding/whelping-calculator` - Standalone whelping date calculator
+## ❓ Troubleshooting
+- **COI shows 0.00%?**: Ensure both parents are mapped and have shared ancestors.
+- **Missing Columns?**: Restart the server; auto-init guards add columns automatically.
+- **Logo not appearing?**: Place `br-logo.png` in the `static/` directory.
 
-### Litters
-- `GET/POST /api/litters` - Litter management
+---
 
-### Assets
-- `GET /static/*` - Branding and static assets
-- `GET /uploads/*` - Dog photos
-
-## Troubleshooting
-
-### COI shows 0.00% for parent×offspring pairings
-Ensure you are on v0.6.1+ (merge PR #47). The fix removes a blanket `id !== sid` exclusion in `calculateCOI` that was silently zeroing the inbreeding coefficient when the sire is a direct ancestor of the dam. After merging, restart the server.
-
-### Server crashes with `SyntaxError: Unexpected end of input` on `settings.js`
-The settings route file may have been corrupted (double-encoded base64). Pull the latest code and rebuild.
-
-### "no such column: kennel_name" or "no such column: is_champion"
-Your database predates the `ALTER TABLE` migration guards. Pull the latest code and restart — columns are added automatically. No data loss.
-
-### "no such column: weight" or "no such column: sire_id"
-Your database has a very old schema. Delete and recreate:
-```bash
-cp data/breedr.db data/breedr.db.backup
-rm data/breedr.db
-docker-compose restart
-```
-
-### Logo not appearing in navbar
-Ensure `br-logo.png` is placed in the `static/` directory at the project root. The file is served at `/static/br-logo.png`.
-
-### Heat cycles not showing on calendar
-Ensure dogs are registered with `sex: 'female'` before creating heat cycles. The API validates this and will return a 400 error for male dogs.
-
-### Whelping window not appearing on calendar
-A breeding date must be logged on the cycle for whelp window cells to appear. Use the Cycle Detail modal → "Log Breeding Date" field.
-
-## Roadmap
-
-### ✅ Completed
-- [x] Docker containerization
-- [x] SQLite database with clean schema + ALTER TABLE migration guards
-- [x] Dog management (CRUD) with champion flag
-- [x] Photo management
-- [x] Interactive pedigree visualization
-- [x] Litter management
-- [x] Parent-child relationships via parents table
-- [x] Modern UI redesign
-- [x] Search and filtering
-- [x] Custom brand logo + gradient title
-- [x] Static asset serving
-- [x] Trial Pairing Simulator (COI + common ancestors + risk badge)
-- [x] Heat Cycle Calendar (month grid + windows + breeding suggestions + whelping estimate)
-- [x] **Projected Whelping Calendar Identifier** (whelp window cells, due label, active card range, live modal preview, whelping banner)
-- [x] **Champion Bloodline Tracking** (is_champion flag, DogForm toggle, offspring badge)
-- [x] **Kennel Settings** (GET/PUT /api/settings, SettingsProvider, kennel name in navbar)
-- [x] **COI Direct-Relation Fix** (parent×offspring now correctly yields ~25% COI — v0.6.1)
-
-### 🔜 In Progress / Up Next
-- [ ] Health Records System
-- [ ] Genetic trait tracking
-
-### 📋 Planned
-- [ ] PDF pedigree generation
-- [ ] Advanced search and filters
-- [ ] Export capabilities
-- [ ] Progesterone tracking (extended feature)
-
-**Full roadmap:** [ROADMAP.md](ROADMAP.md)
-
-## Recent Updates
-
-### March 10, 2026 - COI Direct-Relation Bug Fix (v0.6.1)
-- **Fixed:** `calculateCOI` in `server/routes/pedigree.js` — removed `id !== sid` from `commonIds` filter
-- **Root cause:** `getAncestorMap` includes each dog at `gen 0`; the sire (`sid`) correctly appears in the dam's ancestor map at `gen 1` for parent×offspring pairings, but `id !== sid` was filtering it out and returning `0.00%`
-- **Result:** Parent×offspring pairings now correctly return ~25.00% COI; all other pairings unaffected
-- **PR:** [#47](https://git.alwisp.com/jason/breedr/pulls/47)
-
-### March 9, 2026 - Champion Bloodline, Settings, Build Fixes (v0.6.0)
-- **Added:** `is_champion` column to `dogs` table with safe `ALTER TABLE` migration guard
-- **Added:** Champion toggle checkbox in DogForm with amber-gold highlight and `Award` icon
-- **Added:** `⭐` suffix on champion sire/dam in parent dropdowns
-- **Added:** Champion Bloodline badge on offspring cards/detail pages
-- **Added:** `GET/PUT /api/settings` route — single-row column schema with `ALLOWED_KEYS` whitelist
-- **Added:** Full kennel settings columns in `settings` table with migration guards
-- **Added:** `SettingsProvider` / `useSettings` React context for kennel name in navbar
-- **Fixed:** `useSettings.js` → `useSettings.jsx` (Vite build failure — JSX in `.js` file)
-- **Fixed:** `server/index.js` — `initDatabase()` called with no args; removed duplicate `/api/health` route
-- **Fixed:** `server/routes/settings.js` — rewrote from double-encoded base64 + old key/value schema
-- **Fixed:** `DB_PATH` arg removed from `initDatabase()` call; `DATA_DIR` env var now controls directory
-
-### March 9, 2026 - Projected Whelping Calendar Identifier (v0.5.1)
-- **Added:** Indigo whelp window (days 58–65) on calendar grid cells when a breeding date is logged
-- **Added:** Indigo dot marker on exact expected whelp day (day 63)
-- **Added:** `Baby` icon + "[Name] due" label inside whelp day cells
-- **Added:** "Whelp est. [date]" row with earliest–latest range on active cycle cards
-- **Added:** Jump-to-whelp-month button on active cycle cards
-- **Added:** Live whelp preview in Cycle Detail modal (client-side, instant, no save required)
-- **Added:** Full-width whelping banner when projected whelps exist but no active heat cycles are visible
-- **Added:** "Projected Whelp" legend entry with Baby icon
-- **Updated:** Page subtitle to include projected whelping dates
-
-### March 9, 2026 - Heat Cycle Calendar & Trial Pairing Simulator (v0.5.0)
-- **Added:** Full month grid heat cycle calendar with color-coded phase windows
-- **Added:** Start Heat Cycle modal (click any day or header button)
-- **Added:** Cycle Detail modal with breeding window breakdown and inline breeding date logging
-- **Added:** Whelping estimate (earliest/expected/latest) auto-calculated from breeding date
-- **Added:** Trial Pairing Simulator at `/pairing` with COI%, risk badge, common ancestors table
-- **Added:** `GET /api/breeding/heat-cycles` and `GET /api/breeding/heat-cycles/:id/suggestions` endpoints
-- **Moved:** Progesterone tracking to extended roadmap
-
-### March 9, 2026 - Branding & Header Improvements (v0.4.1)
-- **Added:** Custom `br-logo.png` brand logo in navbar
-- **Added:** Gold-to-rusty-red gradient on "BREEDR" title text
-- **Added:** `/static` directory for branding assets served by Express
-- **Fixed:** Vite dev proxy for `/static` routes
-- **Fixed:** `/static` and `/uploads` paths no longer fall through to React router
-- **Fixed:** Brand logo sized as fixed 1:1 square for proper aspect ratio
-
-## Documentation
-
-- [DATABASE.md](DATABASE.md) - Complete schema documentation
-- [ROADMAP.md](ROADMAP.md) - Development roadmap and features
-- [INSTALL.md](INSTALL.md) - Detailed installation instructions
-- [QUICKSTART.md](QUICKSTART.md) - Quick setup guide
-
-## License
-
-Private use only - All rights reserved
-
-## Support
-
-For issues or questions:
-- Check documentation in `docs/` folder
-- Review DATABASE.md for schema questions
-- Check container logs: `docker logs breedr`
-- Contact the system administrator
+**Full Documentation**:
+[Installation Guide](INSTALL.md) | [Development & Architecture](DEVELOPMENT.md) | [API Reference](API.md) | [Roadmap](ROADMAP.md)

RELEASE_NOTES_v0.4.0.md

@@ -1,308 +0,0 @@
-# BREEDR v0.4.0 Release Notes
-
-**Release Date:** March 9, 2026  
-**Branch:** `docs/clean-schema-and-roadmap-update`  
-**Focus:** Clean Database Schema & Documentation Overhaul
-
----
-
-## 🆕 What's New
-
-### Clean Database Architecture
-
-We've completely overhauled the database design for simplicity and correctness:
-
-- **✅ NO MORE MIGRATIONS** - Fresh init creates correct schema automatically
-- **✅ Removed weight/height columns** - Never implemented, now gone
-- **✅ Added litter_id column** - Proper linking of puppies to litters
-- **✅ Parents table approach** - NO sire/dam columns in dogs table
-- **✅ Normalized relationships** - Sire/dam stored in separate parents table
-
-### Why This Matters
-
-The old schema had:
-- Migration scripts trying to fix schema issues
-- `sire_id` and `dam_id` columns causing "no such column" errors
-- Complex migration logic that could fail
-
- The new schema:
-- ✅ Clean initialization - always correct
-- ✅ Normalized design - proper relationships
-- ✅ Simple maintenance - no migration tracking
-- ✅ Better logging - see exactly what's happening
-
----
-
-## 🛠️ Technical Changes
-
-### Database
-
-**Removed:**
-- `dogs.weight` column (never implemented)
-- `dogs.height` column (never implemented) 
-- `dogs.sire_id` column (moved to parents table)
-- `dogs.dam_id` column (moved to parents table)
-- `server/db/migrations.js` (no more migrations)
-
-**Added:**
-- `dogs.litter_id` column with foreign key to litters
-- `parents` table for sire/dam relationships
-- Clean `server/db/init.js` as single source of truth
-
-### API Changes
-
-**server/routes/dogs.js:**
-- Fixed parent handling - properly uses parents table
-- Added detailed logging for relationship creation
-- Removed schema detection logic
-- Cleaner error messages
-
-**server/index.js:**
-- Removed migrations import and execution
-- Simplified startup - just calls initDatabase()
-- Better console output with status indicators
-
-### Documentation
-
-**New Files:**
-- `DATABASE.md` - Complete schema reference
-- `CLEANUP_NOTES.md` - Lists outdated files to remove
-- `RELEASE_NOTES_v0.4.0.md` - This file
-
-**Updated Files:**
-- `README.md` - Current features and setup instructions
-- `ROADMAP.md` - Accurate progress tracking and version history
-
-**Outdated Files (Manual Deletion Required):**
-- `DATABASE_MIGRATIONS.md`
-- `DEPLOY_NOW.md`
-- `FEATURE_IMPLEMENTATION.md`
-- `FRONTEND_FIX_REQUIRED.md`
-- `IMPLEMENTATION_PLAN.md`
-- `SPRINT1_PEDIGREE_COMPLETE.md`
-- `migrate-now.sh`
-
-See `CLEANUP_NOTES.md` for details.
-
----
-
-## 🚀 Upgrade Instructions
-
-### For Fresh Installs
-
-No action needed! The database will initialize correctly:
-
-```bash
-git clone https://git.alwisp.com/jason/breedr.git
-cd breedr
-git checkout docs/clean-schema-and-roadmap-update
-docker-compose up -d
-```
-
-### For Existing Installations
-
-**Important:** This update requires starting with a fresh database.
-
-1. **Backup your data:**
-   ```bash
-   cp data/breedr.db data/breedr.db.backup
-   ```
-
-2. **Stop the application:**
-   ```bash
-   docker-compose down
-   ```
-
-3. **Delete old database:**
-   ```bash
-   rm data/breedr.db
-   ```
-
-4. **Pull latest code:**
-   ```bash
-   git pull origin docs/clean-schema-and-roadmap-update
-   ```
-
-5. **Rebuild and restart:**
-   ```bash
-   docker-compose up -d --build
-   ```
-
-6. **Verify database:**
-   ```bash
-   docker exec -it breedr sqlite3 /app/data/breedr.db ".schema dogs"
-   ```
-
-   You should see `litter_id` but **NO** `sire_id`, `dam_id`, `weight`, or `height` columns.
-
-### Data Migration Notes
-
-**Parent Relationships:**
-- Cannot be automatically migrated due to schema change
-- You'll need to re-enter sire/dam relationships for existing dogs
-- Use the dog edit form or litter linking feature
-
-**All Other Data:**
-- Basic dog info (name, breed, sex, etc.) can be re-entered
-- Photos will need to be re-uploaded
-- Consider this a fresh start with a clean, correct schema
-
----
-
-## 🐛 Bug Fixes
-
-- ✅ **Fixed:** "no such column: sire" errors
-- ✅ **Fixed:** "no such column: weight" errors  
-- ✅ **Fixed:** "no such column: height" errors
-- ✅ **Fixed:** Parent relationships not saving properly
-- ✅ **Fixed:** Schema detection failures on startup
-- ✅ **Fixed:** Migration system complexity
-
----
-
-## 📚 Documentation Updates
-
-### DATABASE.md
-
-Comprehensive database documentation including:
-- Schema design principles
-- All table structures with SQL
-- API usage examples
-- Query examples for relationships
-- Fresh install instructions
-- Troubleshooting guide
-
-### README.md
-
-Updated with:
-- Current feature list
-- Clean schema explanation
-- Fresh install vs upgrade instructions
-- Troubleshooting for common errors
-- Links to documentation
-
-### ROADMAP.md
-
-Updated with:
-- Phase 1-3 marked complete
-- v0.4.0 release notes
-- Current sprint focus recommendations
-- Version history
-
----
-
-## 🧐 Developer Notes
-
-### New Development Workflow
-
-**For database changes:**
-1. Edit `server/db/init.js` only
-2. Test with fresh database: `rm data/breedr.db && npm run dev`
-3. Update `DATABASE.md` documentation
-4. No migrations needed!
-
-**For API changes involving parents:**
-- Use `parents` table for sire/dam relationships
-- Check `server/routes/dogs.js` for examples
-- Log relationship creation for debugging
-
-### Testing
-
-Test these scenarios:
-1. Fresh install - database created correctly
-2. Add dog with sire/dam - parents table populated
-3. Add dog via litter - litter_id set, parents auto-linked
-4. View dog details - parents and offspring shown correctly
-5. Pedigree view - multi-generation tree displays
-
----
-
-## 📊 What's Next
-
-### Recommended Next Features
-
-1. **Trial Pairing Simulator** (4-6 hours)
-   - Uses existing COI calculator backend
-   - High value for breeding decisions
-   - Relatively quick to implement
-
-2. **Health Records System** (6-8 hours)
-   - Important for breeding decisions  
-   - Vaccination tracking
-   - Document management
-
-3. **Heat Cycle Management** (6-8 hours)
-   - Natural extension of litter management
-   - Calendar functionality
-   - Breeding planning
-
-See `ROADMAP.md` for full details.
-
----
-
-## ℹ️ Support
-
-**Documentation:**
-- [DATABASE.md](DATABASE.md) - Schema reference
-- [README.md](README.md) - Project overview
-- [ROADMAP.md](ROADMAP.md) - Development plan
-- [CLEANUP_NOTES.md](CLEANUP_NOTES.md) - File cleanup guide
-
-**Common Issues:**
-- "no such column" errors → Delete database and restart
-- Parents not saving → Check server logs for relationship creation
-- Schema looks wrong → Verify with `.schema dogs` command
-
-**Logs:**
-```bash
-docker logs breedr
-```
-
----
-
-## 🎉 Credits
-
-Clean schema design and implementation by the BREEDR development team.
-
-Special thanks for thorough testing and validation of the new database architecture.
-
----
-
-## 📝 Changelog Summary
-
-### Added
-- Clean database initialization system
-- `dogs.litter_id` column
-- `parents` table for relationships  
-- DATABASE.md documentation
-- Detailed logging for debugging
-- CLEANUP_NOTES.md
-- RELEASE_NOTES_v0.4.0.md
-
-### Changed
-- Database init is now single source of truth
-- Parent relationships use parents table
-- README.md updated
-- ROADMAP.md updated
-- Simplified server startup
-
-### Removed
-- Migration system (`server/db/migrations.js`)
-- `dogs.weight` column
-- `dogs.height` column
-- `dogs.sire_id` column
-- `dogs.dam_id` column
-- Schema detection logic
-- Outdated documentation (marked for deletion)
-
-### Fixed
-- "no such column" errors
-- Parent relationship saving
-- Schema consistency issues
-- Migration failures
-
----
-
-**Full Diff:** [Compare branches on Gitea](https://git.alwisp.com/jason/breedr/compare/feature/enhanced-litters-and-pedigree...docs/clean-schema-and-roadmap-update)
-
-**Next Release:** v0.5.0 - Trial Pairing Simulator (planned)

ROADMAP.md

@@ -1,402 +1,9 @@
-# BREEDR Development Roadmap
+# BREEDR Development Roadmap (v0.8.0)
 
-## ✅ Phase 1: Foundation (COMPLETE)
-
-### Infrastructure
-- [x] Docker multi-stage build configuration
-- [x] SQLite database with automatic initialization
-- [x] Express.js API server
-- [x] React 18 frontend with Vite
-- [x] Git repository structure
-
-### Database Schema
-- [x] Dogs table with core fields (NO sire/dam columns)
-- [x] Parents relationship table for sire/dam tracking
-- [x] Litters breeding records
-- [x] Health records tracking
-- [x] Heat cycles management
-- [x] Traits genetic mapping
-- [x] Indexes and triggers
-- [x] **litter_id column** for linking puppies to litters
-- [x] **Clean schema design** - NO migrations, fresh init only
-- [x] **Safe ALTER TABLE migration guards** - new columns added automatically on upgrade
-
-### API Endpoints
-- [x] `/api/dogs` - Full CRUD operations (incl. `is_champion`)
-- [x] `/api/pedigree` - Tree generation and COI calculator
-- [x] `/api/litters` - Breeding records
-- [x] `/api/health` - Health tracking
-- [x] `/api/breeding` - Heat cycles and whelping calculator
-- [x] `/api/settings` - Kennel configuration (GET/PUT)
-- [x] Photo upload with Multer
-- [x] **Parent relationship handling** via parents table
-- [x] `/static/*` - Branding and static asset serving
-
----
-
-## ✅ Phase 2: Core Functionality (COMPLETE)
-
-### Dog Management
-- [x] Add new dogs with full form
-- [x] Edit existing dogs
-- [x] View dog details
-- [x] List all dogs with search/filter
-- [x] Upload multiple photos per dog
-- [x] Delete photos
-- [x] Parent selection (sire/dam) via parents table
-- [x] **Proper error handling** for API failures
-
-### User Interface
-- [x] Dashboard with statistics
-- [x] Dog list with grid view
-- [x] Dog detail pages
-- [x] Modal forms for add/edit
-- [x] Photo management UI
-- [x] Search and sex filtering
-- [x] Responsive navigation
-- [x] **Compact info cards** (80x80 avatars)
-- [x] **Modern dark theme** with glass morphism
-- [x] **Custom brand logo** (br-logo.png) in navbar
-- [x] **Gold-to-rusty-red gradient** on BREEDR brand title
-- [x] **Static asset serving** via Express `/static` route
-- [x] **Vite dev proxy** for `/static` routes
-- [x] **Route fix** - static/uploads don't fall through to React router
-- [x] **Logo aspect ratio** fixed to 1:1 square
-
-### Features Implemented
-- [x] Photo upload and storage
-- [x] Parent-child relationships (via parents table)
-- [x] Basic information tracking
-- [x] Registration numbers
-- [x] Microchip tracking (optional)
-- [x] **Litter linking** with litter_id
-- [x] **Clean database schema** with no migrations
-
----
-
-## ✅ Phase 3: Breeding Tools (COMPLETE)
-
-### Pedigree & Genetics
-- [x] **Interactive pedigree tree visualization**
-  - [x] Integrate React-D3-Tree
-  - [x] Show 3-5 generations
-  - [x] Click to navigate
-  - [x] Zoom and pan controls
-  - [x] Beautiful color-coded nodes
-  - [x] Male/Female distinction
-
-- [x] **Litter Management** ✅
-  - [x] Create litter records
-  - [x] Link puppies to litter
-  - [x] Track whelping details
-  - [x] Auto-link parent relationships
-  - [x] Database migration for litter_id
-  - [x] Enhanced API endpoints
-  - [x] Dual parent selection mode (litter/manual)
-  - [x] UI fix for proper layout and error handling
-
-- [x] **Trial Pairing Simulator** ✅ *(March 9, 2026)*
-  - [x] Sire and dam selection dropdowns
-  - [x] COI calculation display with color coding
-  - [x] Common ancestors table (sire-gen / dam-gen columns)
-  - [x] Risk badge: Low (<5%) / Moderate (5-10%) / High (>10%)
-  - [x] `/pairing` route + navbar link
-  - [x] `POST /api/pedigree/trial-pairing` backend
-
-- [x] **Heat Cycle Calendar** ✅ *(March 9, 2026)*
-  - [x] Full month grid calendar (Sun–Sat) with prev/next navigation
-  - [x] Color-coded day cells by cycle phase
-  - [x] Start Heat Cycle modal (female dropdown + date picker)
-  - [x] Cycle Detail modal with phase breakdown
-  - [x] Breeding date logging inline
-  - [x] Whelping estimate (earliest/expected/latest)
-  - [x] Active cycles list with phase badge + day counter
-  - [x] `GET /api/breeding/heat-cycles` endpoint
-  - [x] `GET /api/breeding/heat-cycles/:id/suggestions` endpoint
-
-- [x] **Projected Whelping Calendar Identifier** ✅ *(March 9, 2026 − v0.5.1)*
-  - [x] Gestation constants: earliest=58, expected=63, latest=65 days
-  - [x] `getWwhelpDates(cycle)` client-side helper (no extra API call)
-  - [x] Indigo whelp window cells (days 58–63) on calendar grid
-  - [x] Indigo dot marker on expected whelp day (day 63)
-  - [x] `Baby` icon + "[Name] due" label inside whelp day cells
-  - [x] "Whelp est. [date]" row with range on active cycle cards
-  - [x] Jump-to-whelp-month button on active cycle cards
-  - [x] Live whelp preview in Cycle Detail modal (client-side, instant)
-  - [x] Full-width whelping banner when projected whelps exist
-  - [x] "Projected Whelp" legend entry with Baby icon
-  - [x] Updated page subtitle to include whelping dates
-
----
-
-## ✅ Phase 4a: Champion & Settings (COMPLETE − v0.6.0)
-
-### Champion Bloodline Tracking
-- [x] `is_champion INTEGER DEFAULT 0` column on `dogs` table
-- [x] Safe `ALTER TABLE dogs ADD COLUMN is_champion` migration guard
-- [x] `is_champion` included in all `GET /api/dogs` + `GET /api/dogs/:id` responses
-- [x] `is_champion` persisted in `POST` and `PUT /api/dogs`
-- [x] `is_champion` included on sire/dam JOIN queries and offspring query
-- [x] Champion toggle checkbox in `DogForm` with amber-gold highlight + `Award` icon
-- [x] `✪` suffix on champion names in sire/dam parent dropdowns
-- [x] Champion Bloodline badge on offspring cards and dog detail pages
-
-### Kennel Settings
-- [x] `settings` table: `kennel_name`, `kennel_tagline`, `kennel_address`, `kennel_phone`, `kennel_email`, `kennel_website`, `kennel_akc_id`, `kennel_breed`, `owner_name`
-- [x] Safe `ALTER TABLE settings ADD COLUMN` migration loop for all kennel fields
-- [x] Auto-seed default row (`kennel_name = 'BREEDR'`) if table is empty
-- [x] `GET /api/settings` − returns single-row as flat JSON object
-- [x] `PUT /api/settings` − partial update via `ALLOWED_KEYS` whitelist
-- [x] `SettingsProvider` / `useSettings` React context hook
-- [x] Kennel name displayed in navbar from settings
-- [x] `SettingsPage` component for editing kennel info
-
-### Build & Runtime Fixes (v0.6.0)
-- [x] `useSettings.js` → `useSettings.jsx` − Vite build failed because JSX in `.js` file
-- [x] `server/index.js` − `initDatabase()` called with no args (was passing `DB_PATH`, now path is internal)
-- [x] `server/index.js` − removed duplicate `app.get('/api/health')` inline route
-- [x] `server/index.js` − `DATA_DIR` env var replaces `path.dirname(DB_PATH)` for directory creation
-- [x] `server/routes/settings.js` − rewrote from double-encoded base64 + old key/value schema to correct single-row column schema
-
----
-
-## 📋 Phase 4b: Health & Genetics (NEXT UP − v0.7.0)
+## 🚀 Current Status: v0.8.0 (Active Development)
 
+### 🔜 Next Up — Phase 4b: Health & Genetics Build Order
 > **Context:** Golden Retriever health clearances follow GRCA Code of Ethics and OFA/CHIC standards.
-> This phase builds a structured, breed-aware health tracking system aligned with those requirements.
-
-### Tier 1 — OFA Health Clearances *(Priority 1)* 🩺
-
-The four GRCA-required clearances that must be on record in the public OFA database before breeding.
-
-**Database (schema additions to `health_records` table):**
-- [ ] Add `test_type` ENUM-style field: `hip_ofa`, `hip_pennhip`, `elbow_ofa`, `heart_ofa`, `heart_echo`, `eye_caer`, `thyroid_ofa`, `dna_panel`
-- [ ] Add `result` field: `pass`, `fail`, `carrier`, `clear`, `excellent`, `good`, `fair`, `borderline`
-- [ ] Add `ofa_number` VARCHAR — official OFA certification number
-- [ ] Add `chic_number` VARCHAR — CHIC certification number (dog-level field on `dogs` table)
-- [ ] Add `performed_by` VARCHAR — vet or specialist name
-- [ ] Add `expires_at` DATE — for annually-renewed tests (eyes, heart)
-- [ ] Add `document_url` VARCHAR — path to uploaded PDF/image
-- [ ] Safe ALTER TABLE migration guards for all new columns
-
-**API:**
-- [ ] `GET /api/health/:dogId` — list all health records for a dog
-- [ ] `POST /api/health` — create health record
-- [ ] `PUT /api/health/:id` — update health record
-- [ ] `DELETE /api/health/:id` — delete health record
-- [ ] `GET /api/health/:dogId/clearance-summary` — returns pass/fail/missing for all 4 OFA tiers
-- [ ] `GET /api/health/:dogId/chic-eligible` — returns boolean + missing tests
-
-**UI Components:**
-- [ ] `HealthRecordForm` modal — test type dropdown, result, OFA#, date, performed-by, expiry, document upload
-- [ ] `HealthTimeline` component — chronological list of all health events per dog on DogDetail page
-- [ ] `ClearanceSummaryCard` — shows OFA Hip / Elbow / Heart / Eyes status in a 2x2 grid with color badges (green=pass, yellow=expiring, red=missing/fail)
-- [ ] `ChicStatusBadge` — amber badge on dog cards and DogDetail if CHIC number is on file
-- [ ] Expiry alert: yellow badge on dog card if any annual test expires within 90 days; red if expired
-- [ ] Document upload support (PDF/image) tied to individual health records
-
-**Clearance Tiers Tracked:**
-| Test | OFA Minimum Age | Renewal | Notes |
-|---|---|---|---|
-| Hip Dysplasia | 24 months | Once (final) | OFA eval or PennHIP |
-| Elbow Dysplasia | 24 months | Once (final) | OFA eval |
-| Cardiac (Heart) | 12 months | Annual recommended | Echo preferred over auscultation |
-| Eyes (CAER) | 12 months | **Annual** | Board-certified ACVO ophthalmologist |
-| Thyroid (OFA) | 12 months | Annual recommended | Bonus/Tier 2 |
-
-**Complexity:** Medium | **Impact:** High | **User Value:** Excellent
-**Estimated Time:** 8–10 hours
-
----
-
-### Tier 2 — DNA Genetic Panel *(Priority 2)* 🧬
-
-Embark or equivalent panel results per dog. Allows carrier × clear pairing without producing affected offspring.
-
-**Database:**
-- [ ] `genetic_tests` table: `id`, `dog_id`, `test_provider` (embark/optigen/etc), `test_name`, `result` (clear/carrier/affected), `test_date`, `document_url`, `created_at`
-- [ ] Safe `CREATE TABLE IF NOT EXISTS` guard
-
-**Golden Retriever Panel — Key Markers:**
-- [ ] PRA1 (Progressive Retinal Atrophy type 1)
-- [ ] PRA2 (Progressive Retinal Atrophy type 2)
-- [ ] prcd-PRA (Progressive Rod-Cone Degeneration)
-- [ ] ICH1 / ICH2 (Ichthyosis — very common in Goldens)
-- [ ] NCL (Neuronal Ceroid Lipofuscinosis — fatal neurological)
-- [ ] DM (Degenerative Myelopathy)
-- [ ] MD (Muscular Dystrophy)
-- [ ] GR-PRA1, GR-PRA2 (Golden-specific PRA variants)
-
-**API:**
-- [ ] `GET /api/genetics/:dogId` — list all genetic test results
-- [ ] `POST /api/genetics` — add genetic result
-- [ ] `PUT /api/genetics/:id` — update
-- [ ] `DELETE /api/genetics/:id` — delete
-- [ ] `GET /api/genetics/pairing-risk?sireId=&damId=` — returns at-risk combinations for a trial pairing
-
-**UI Components:**
-- [ ] `GeneticTestForm` modal — provider, marker, result (clear/carrier/affected), date, upload
-- [ ] `GeneticPanelCard` on DogDetail — color-coded grid of all markers (green=clear, yellow=carrier, red=affected, gray=not tested)
-- [ ] Pairing risk overlay on Trial Pairing Simulator — flag if sire+dam are both carriers for same marker
-- [ ] "Not Tested" indicator on dog cards when no DNA panel on file
-
-**Complexity:** Medium | **Impact:** High | **User Value:** Excellent
-**Estimated Time:** 6–8 hours
-
----
-
-### Tier 3 — Cancer Lineage & Longevity Tracking *(Priority 3)* 📊
-
-Golden Retrievers have ~60% cancer mortality rate. Lineage-based cancer history is a major differentiator for responsible breeders.
-
-**Database:**
-- [ ] `cancer_history` table: `id`, `dog_id`, `cancer_type`, `age_at_diagnosis`, `age_at_death`, `cause_of_death`, `notes`, `created_at`
-- [ ] Add `age_at_death` and `cause_of_death` optional fields to `dogs` table
-
-**API:**
-- [ ] `GET /api/health/:dogId/cancer-history`
-- [ ] `POST /api/health/cancer-history`
-- [ ] `GET /api/pedigree/:dogId/cancer-lineage` — walks ancestors and returns cancer incidence summary
-
-**UI:**
-- [ ] Longevity section on DogDetail — age at death, cause of death
-- [ ] Cancer lineage indicator on Trial Pairing Simulator — "X of 8 ancestors had cancer history"
-- [ ] Optional cancer history entry on DogForm
-
-**Complexity:** Low-Medium | **Impact:** Medium | **User Value:** High (differentiator)
-**Estimated Time:** 4–5 hours
-
----
-
-### Tier 4 — Breeding Eligibility Checker *(Priority 4)* ✅
-
-Automatic litter eligibility gate based on health clearance status of sire and dam.
-
-**Logic:**
-- [ ] Dog is "GRCA eligible" if: Hip OFA ✅ + Elbow OFA ✅ + Heart ✅ + Eyes (non-expired) ✅ + age ≥ 24 months
-- [ ] Dog is "CHIC eligible" if all four tests are in OFA public database (CHIC number on file)
-- [ ] Warning flags in Trial Pairing Simulator if sire or dam is missing required clearances
-- [ ] Block litter creation (with override) if either parent fails eligibility check
-
-**UI:**
-- [ ] Eligibility badge on dog cards: `GRCA Eligible` (green) / `Incomplete` (yellow) / `Not Eligible` (red)
-- [ ] Eligibility breakdown tooltip on hover — shows which tests are missing
-- [ ] Pre-litter warning modal when creating a litter with non-eligible parents
-- [ ] CHIC number field + verification note on DogDetail
-
-**Complexity:** Low | **Impact:** High | **User Value:** Excellent
-**Estimated Time:** 3–4 hours
-
----
-
-## 📋 Phase 5: Advanced Features (PLANNED)
-
-### Pedigree Tools
-- [ ] Reverse pedigree (descendants view)
-- [ ] PDF pedigree generation
-- [ ] Export to standard formats
-- [ ] Print-friendly layouts
-- [ ] Multi-generation COI analysis
-
-### Breeding Planning
-- [ ] Heat cycle predictions (based on cycle history)
-- [ ] Expected whelping alerts / push notifications
-- [ ] Breeding history reports
-- [ ] iCal export for cycle events
-
-### Search & Analytics
-- [ ] Advanced search filters
-  - [ ] By breed, color, age
-  - [ ] By health clearances
-  - [ ] By registration status
-- [ ] Statistics dashboard
-  - [ ] Breeding success rates
-  - [ ] Average litter sizes
-  - [ ] Popular pairings
-
----
-
-## 📋 Phase 6: Polish & Optimization (PLANNED)
-
-### User Experience
-- [ ] Loading states for all operations
-- [ ] Better error messages
-- [ ] Confirmation dialogs
-- [ ] Undo functionality
-- [ ] Keyboard shortcuts
-
-### Performance
-- [ ] Image optimization
-- [ ] Lazy loading
-- [ ] API caching
-- [ ] Database query optimization
-
-### Mobile
-- [ ] Touch-friendly interface
-- [ ] Mobile photo capture
-- [ ] Responsive tables
-- [ ] Offline mode
-
-### Documentation
-- [x] DATABASE.md - Complete schema documentation
-- [x] User-facing documentation
-- [ ] API documentation
-- [ ] Video tutorials
-- [ ] FAQ section
-
----
-
-## Future / Extended Features (BACKLOG)
-
-### Progesterone Tracking *(Moved from Phase 3)*
-- [ ] Log progesterone level readings per heat cycle
-- [ ] Chart progesterone curve over cycle days
-- [ ] LH surge detection
-- [ ] Optimal breeding day prediction from levels
-
-### Multi-User Support
-- [ ] User authentication
-- [ ] Role-based permissions
-- [ ] Activity logs
-- [ ] Shared access
-
-### Integration
-- [ ] Import from other systems
-- [ ] Export to Excel/CSV
-- [ ] Integration with kennel clubs
-- [ ] Backup to cloud storage
-- [ ] OFA database lookup by registration number
-
-### Advanced Genetics
-- [ ] DNA test result tracking (full Embark import)
-- [ ] Genetic diversity analysis
-- [ ] Breed-specific calculators
-- [ ] Health risk predictions
-
-### Kennel Management
-- [ ] Breeding contracts
-- [ ] Buyer tracking
-- [ ] Financial records
-- [ ] Stud service management
-
----
-
-## 🏃 Current Sprint: v0.7.0 (Phase 4b)
-
-### ✅ Completed This Sprint (v0.6.0)
-- [x] `is_champion` flag − DB column, API, DogForm toggle, offspring badge, parent dropdown `✪`
-- [x] Kennel Settings − `settings` table with all kennel fields, `GET/PUT /api/settings`, `SettingsProvider`, navbar kennel name
-- [x] `useSettings.jsx` rename (Vite build fix)
-- [x] `server/index.js` fix − `initDatabase()` no-arg, duplicate health route removed
-- [x] `server/routes/settings.js` rewrite: double-encoded base64 + wrong schema fixed
-
-### ✅ Previously Completed (v0.5.1)
-- [x] Projected Whelping Calendar Identifier − indigo whelp window cells, due label, active card range, jump-to-month button
-- [x] Live whelp preview in Cycle Detail modal (client-side, no save required)
-- [x] Full-width whelping banner for months with projected whelps
-- [x] "Projected Whelp" legend entry + updated page subtitle
-
-### 🔜 Next Up — Phase 4b Build Order
 
 #### Step 1: DB Schema Extensions
 - [ ] Extend `health_records` table with OFA-specific columns (test_type, result, ofa_number, chic_number, expires_at, document_url)
@@ -430,45 +37,15 @@ Automatic litter eligibility gate based on health clearance status of sire and d
 - [ ] Eligibility badge on dog cards
 - [ ] Pre-litter eligibility warning modal
 
-#### Step 6: Cancer / Longevity (Stretch)
-- [ ] Cancer history form + lineage summary on Trial Pairing page
-- [ ] Age at death / cause of death on DogDetail
-
-### Testing Needed
-- [x] Add/edit dog forms with litter selection
-- [x] Database schema initialization
-- [x] Pedigree tree rendering
-- [x] Zoom/pan controls
-- [x] UI layout fixes
-- [x] Error handling for API failures
-- [x] Parent relationship creation via parents table
-- [x] Brand logo display and sizing
-- [x] Gradient title rendering
-- [x] Static asset serving in prod and dev
-- [ ] Champion toggle − DogForm save/load round-trip
-- [ ] Champion badge − offspring card display
-- [ ] Kennel settings − save + navbar name update
-- [ ] Trial pairing simulator (end-to-end)
-- [ ] Heat cycle calendar (start cycle, detail modal, whelping)
-- [ ] Projected whelping calendar identifier (whelp cells, due label, banner)
-- [ ] Health records — OFA clearance CRUD
-- [ ] Genetic panel — DNA marker entry and display
-- [ ] Eligibility checker — badge and litter gate
-
-### Known Issues
-- None currently
-
 ---
 
-## How to Contribute
+## 🕒 Version History & Recent Progress
 
-1. Pick a feature from "Next Up" above
-2. Create a feature branch off `master`: `feat/feature-name`
-3. Implement with tests
-4. Update this roadmap and README.md
-5. Submit PR for review
-
-## Version History
+- **v0.8.0** (March 12, 2026) - Reverse Pedigree & External Parentage (LATEST)
+  - [x] **Reverse Pedigree** (descendants view) toggle on Pedigree page
+  - [x] **External dog parentage** improvements (allowed assigning sire/dam to external dogs)
+  - [x] **Universal parent selection** (sire/dam dropdowns now include all dogs)
+  - [x] Updated documentation and roadmap
 
 - **v0.7.0** (In Progress) - Phase 4b: Health & Genetics
   - OFA clearance tracking (Hip, Elbow, Heart, Eyes + CHIC number)
@@ -476,58 +53,86 @@ Automatic litter eligibility gate based on health clearance status of sire and d
   - Cancer lineage & longevity tracking
   - Breeding eligibility checker (GRCA + CHIC gates)
 
+- **v0.6.1** (March 10, 2026) - COI Direct-Relation Fix
+  - Fixed `calculateCOI` to correctly compute coefficient for parent×offspring pairings (~25%)
+  - Removed blanket sire exclusion in ancestor mapping logic
+
 - **v0.6.0** (March 9, 2026) - Champion Bloodline, Settings, Build Fixes
   - `is_champion` flag on dogs table with ALTER TABLE migration guard
   - Champion toggle in DogForm; `✪` suffix in parent dropdowns; offspring badge
   - Kennel settings table + `GET/PUT /api/settings` + `SettingsProvider`
   - `useSettings.jsx` rename (Vite build fix)
   - `server/index.js` fix: `initDatabase()` no-arg, duplicate health route removed
-  - `server/routes/settings.js` rewrite: double-encoded base64 + wrong schema fixed
+  - `server/routes/settings.js` rewrite: double-encoded base64 fixed
 
-- **v0.5.1** (March 9, 2026) - Projected Whelping Calendar Identifier
+- **v0.5.1** (March 9, 2026) - Projected Whelping Calendar
   - Indigo whelp window cells (days 58–65) on month grid
-  - Indigo dot marker on exact expected whelp day (day 63)
   - `Baby` icon + "[Name] due" label in whelp day cells
-  - "Whelp est." range row on active cycle cards
-  - Jump-to-whelp-month button on cycle cards
-  - Live whelp preview in Cycle Detail modal (client-side, instant)
-  - Full-width whelping banner when projected whelps exist
-  - "Projected Whelp" legend entry + updated page subtitle
+  - Live whelp preview in Cycle Detail modal
 
-- **v0.5.0** (March 9, 2026) - Breeding Tools Complete
+- **v0.5.0** (March 9, 2026) - Breeding Tools
   - Trial Pairing Simulator: COI calculator, risk badge, common ancestors
-  - Heat Cycle Calendar: month grid, phase color coding, start-cycle modal
-  - Cycle Detail: breeding windows, inline breeding date, whelping estimate
-  - New API: `GET /heat-cycles`, `GET /heat-cycles/:id/suggestions`
-  - Progesterone tracking moved to extended backlog
+  - Heat Cycle Calendar: month grid, phase color coding, suggestions
 
-- **v0.4.1** (March 9, 2026) - Branding & Header Improvements
-  - Custom br-logo.png in navbar
-  - Gold-to-rusty-red gradient title
-  - Static asset serving via Express
-  - Vite dev proxy for /static
-  - Route fix for static/uploads paths
-  - Logo 1:1 aspect ratio fix
+---
 
-- **v0.4.0** (March 9, 2026) - Clean Database Schema
-  - Complete database overhaul with clean normalized design
-  - Removed migrations, fresh init only
-  - Parents table for relationships
-  - Comprehensive documentation
-  
-- **v0.3.1** - UI Fixes & Error Handling
-  - Fixed blank screen issue on Add Dog modal
-  - Improved parent selection layout
-  - Added comprehensive error handling
-  - Enhanced visual design with proper spacing
-  
-- **v0.3.0** - Litter Management & Interactive Pedigree
-  - Added litter_id to dogs table
-  - Implemented LitterForm component
-  - Created PedigreeView with React-D3-Tree
-  - Enhanced DogForm with dual parent selection
-  - Fixed "no such column: sire" error
-  - Added comprehensive documentation
-  
-- **v0.2.0** - Dog CRUD operations complete
-- **v0.1.0** - Initial foundation with API and database
+## 📋 Future Roadmap
+
+### ✅ Phase 5: Advanced Features (IN PROGRESS)
+- [x] Reverse pedigree (descendants view)
+- [ ] PDF pedigree generation
+- [ ] Export to standard formats (CSV, JSON)
+- [ ] Print-friendly layouts
+- [ ] Multi-generation COI analysis
+
+### 📅 Phase 6: Polish & Optimization
+- [ ] **User Experience**: Loading states, better error messages, undo functionality
+- [ ] **Performance**: Image optimization, lazy loading, API caching
+- [ ] **Mobile**: Touch-friendly interface, mobile photo capture
+- [ ] **Documentation**: API technical docs, video tutorials
+
+---
+
+## ✅ Completed Milestones
+
+### Phase 1: Foundation
+- [x] Docker multi-stage build & SQLite database
+- [x] Express.js API server & React 18 frontend
+- [x] Parents relationship table for sire/dam tracking
+
+### Phase 2: Core Functionality
+- [x] Dog Management (Full CRUD, photo uploads)
+- [x] Modern dark theme with glass morphism
+- [x] Branded navigation with custom logo
+
+### Phase 3: Breeding Tools
+- [x] Interactive pedigree tree visualization (React-D3-Tree)
+- [x] Litter Management & linking puppies
+- [x] Trial Pairing Simulator & Heat Cycle Calendar
+- [x] Projected Whelping identifiers
+
+### Phase 4a: Champion & Settings
+- [x] Champion bloodline tracking and badges
+- [x] Universal Kennel Settings system
+
+---
+
+## 🏃 Testing & Quality Assurance
+- [x] Database schema initialization guards
+- [x] Pedigree tree rendering & zoom/pan
+- [x] Parent relationship creation logic
+- [x] Static asset serving (prod/dev)
+- [ ] Champion toggle load/save trip
+- [ ] Heat cycle calendar whelping logic
+- [ ] Health records OFA clearance CRUD (Upcoming)
+
+---
+
+## How to Contribute
+1. Pick a feature from "Next Up" above
+2. Create a feature branch off `master`: `feat/feature-name`
+3. Implement with tests and update this roadmap
+4. Submit PR for review
+
+---
+*Last Updated: March 12, 2026*

TEST.md

@@ -1,2 +0,0 @@
-123
-abc456

client/src/components/DogForm.jsx

@@ -29,8 +29,8 @@ function DogForm({ dog, onClose, onSave, isExternal = false }) {
   const effectiveExternal = isExternal || (dog && dog.is_external)
 
   useEffect(() => {
+    fetchDogs()
     if (!effectiveExternal) {
-      fetchDogs()
       fetchLitters()
     }
     if (dog) {
@@ -55,7 +55,7 @@ function DogForm({ dog, onClose, onSave, isExternal = false }) {
 
   const fetchDogs = async () => {
     try {
-      const res = await axios.get('/api/dogs')
+      const res = await axios.get('/api/dogs/all')
       setDogs(res.data || [])
     } catch (e) {
       setDogs([])
@@ -64,8 +64,8 @@ function DogForm({ dog, onClose, onSave, isExternal = false }) {
 
   const fetchLitters = async () => {
     try {
-      const res = await axios.get('/api/litters')
-      const data = res.data || []
+      const res = await axios.get('/api/litters', { params: { limit: 200 } })
+      const data = res.data.data || []
       setLitters(data)
       setLittersAvailable(data.length > 0)
       if (data.length === 0) setUseManualParents(true)
@@ -112,8 +112,8 @@ function DogForm({ dog, onClose, onSave, isExternal = false }) {
         ...formData,
         is_champion: formData.is_champion ? 1 : 0,
         is_external: effectiveExternal ? 1 : 0,
-        sire_id: effectiveExternal ? null : (formData.sire_id || null),
-        dam_id: effectiveExternal ? null : (formData.dam_id || null),
+        sire_id: formData.sire_id || null,
+        dam_id: formData.dam_id || null,
         litter_id: (effectiveExternal || useManualParents) ? null : (formData.litter_id || null),
         registration_number: formData.registration_number || null,
         birth_date: formData.birth_date || null,
@@ -162,7 +162,7 @@ function DogForm({ dog, onClose, onSave, isExternal = false }) {
             gap: '0.5rem',
           }}>
             <ExternalLink size={14} />
-            External dog — not part of your kennel roster. Litter and parent fields are not applicable.
+            External dog — not part of your kennel roster.
           </div>
         )}
 
@@ -250,32 +250,31 @@ function DogForm({ dog, onClose, onSave, isExternal = false }) {
             </div>
           </div>
 
-          {/* Parent Section — hidden for external dogs */}
-          {!effectiveExternal && (
-            <div style={{
-              marginTop: '1.5rem', padding: '1rem',
-              background: 'rgba(194, 134, 42, 0.04)',
-              borderRadius: '8px',
-              border: '1px solid rgba(194, 134, 42, 0.15)'
-            }}>
-              <label className="label" style={{ marginBottom: '0.75rem', display: 'block', fontWeight: '600' }}>Parent Information</label>
+          {/* Parent Section */}
+          <div style={{
+            marginTop: '1.5rem', padding: '1rem',
+            background: 'rgba(194, 134, 42, 0.04)',
+            borderRadius: '8px',
+            border: '1px solid rgba(194, 134, 42, 0.15)'
+          }}>
+            <label className="label" style={{ marginBottom: '0.75rem', display: 'block', fontWeight: '600' }}>Parent Information</label>
 
-              {littersAvailable && (
-                <div style={{ display: 'flex', gap: '1.5rem', marginBottom: '1rem', flexWrap: 'wrap' }}>
-                  <label style={{ display: 'flex', alignItems: 'center', gap: '0.5rem', cursor: 'pointer', fontSize: '0.95rem' }}>
-                    <input type="radio" name="parentMode" checked={!useManualParents}
-                      onChange={() => setUseManualParents(false)} style={{ width: '16px', height: '16px' }} />
-                    <span>Link to Litter</span>
-                  </label>
-                  <label style={{ display: 'flex', alignItems: 'center', gap: '0.5rem', cursor: 'pointer', fontSize: '0.95rem' }}>
-                    <input type="radio" name="parentMode" checked={useManualParents}
-                      onChange={() => setUseManualParents(true)} style={{ width: '16px', height: '16px' }} />
-                    <span>Manual Parent Selection</span>
-                  </label>
-                </div>
-              )}
+            {!effectiveExternal && littersAvailable && (
+              <div style={{ display: 'flex', gap: '1.5rem', marginBottom: '1rem', flexWrap: 'wrap' }}>
+                <label style={{ display: 'flex', alignItems: 'center', gap: '0.5rem', cursor: 'pointer', fontSize: '0.95rem' }}>
+                  <input type="radio" name="parentMode" checked={!useManualParents}
+                    onChange={() => setUseManualParents(false)} style={{ width: '16px', height: '16px' }} />
+                  <span>Link to Litter</span>
+                </label>
+                <label style={{ display: 'flex', alignItems: 'center', gap: '0.5rem', cursor: 'pointer', fontSize: '0.95rem' }}>
+                  <input type="radio" name="parentMode" checked={useManualParents}
+                    onChange={() => setUseManualParents(true)} style={{ width: '16px', height: '16px' }} />
+                  <span>Manual Parent Selection</span>
+                </label>
+              </div>
+            )}
 
-              {!useManualParents && littersAvailable ? (
+            {!useManualParents && littersAvailable && !effectiveExternal ? (
                 <div className="form-group" style={{ marginTop: '0.5rem' }}>
                   <label className="label">Select Litter</label>
                   <select name="litter_id" className="input"
@@ -313,8 +312,7 @@ function DogForm({ dog, onClose, onSave, isExternal = false }) {
                   </div>
                 </div>
               )}
-            </div>
-          )}
+          </div>
 
           <div className="form-group" style={{ marginTop: '1rem' }}>
             <label className="label">Notes</label>

client/src/components/GeneticPanelCard.jsx

@@ -0,0 +1,97 @@
+import { useState, useEffect } from 'react'
+import { Dna, Plus } from 'lucide-react'
+import axios from 'axios'
+import GeneticTestForm from './GeneticTestForm'
+
+const RESULT_STYLES = {
+  clear:      { bg: 'rgba(52,199,89,0.15)', color: 'var(--success)' },
+  carrier:    { bg: 'rgba(255,159,10,0.15)', color: 'var(--warning)' },
+  affected:   { bg: 'rgba(255,59,48,0.15)', color: 'var(--danger)' },
+  not_tested: { bg: 'var(--bg-tertiary)', color: 'var(--text-muted)' }
+}
+
+export default function GeneticPanelCard({ dogId }) {
+  const [data, setData] = useState(null)
+  const [error, setError] = useState(false)
+  const [loading, setLoading] = useState(true)
+  const [showForm, setShowForm] = useState(false)
+  const [editingRecord, setEditingRecord] = useState(null)
+
+  const fetchGenetics = () => {
+    setLoading(true)
+    axios.get(`/api/genetics/dog/${dogId}`)
+      .then(res => setData(res.data))
+      .catch(() => setError(true))
+      .finally(() => setLoading(false))
+  }
+
+  useEffect(() => { fetchGenetics() }, [dogId])
+
+  const openAdd = () => { setEditingRecord(null); setShowForm(true) }
+  const openEdit = (rec) => { setEditingRecord(rec); setShowForm(true) }
+  const handleSaved = () => { setShowForm(false); fetchGenetics() }
+
+  if (error || (!loading && !data)) return null
+
+  const panel = data?.panel || []
+  
+  return (
+    <div className="card" style={{ marginBottom: '1.5rem' }}>
+      <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: '1rem' }}>
+        <h2 style={{ fontSize: '1rem', color: 'var(--text-muted)', textTransform: 'uppercase', letterSpacing: '0.05em', margin: 0, display: 'flex', alignItems: 'center', gap: '0.5rem' }}>
+          <Dna size={18} /> DNA Genetics Panel
+        </h2>
+        <button className="btn btn-ghost" style={{ fontSize: '0.8rem', padding: '0.35rem 0.75rem' }} onClick={openAdd}>
+          <Plus size={14} /> Update Marker
+        </button>
+      </div>
+
+      {loading ? (
+        <div style={{ fontSize: '0.875rem', color: 'var(--text-muted)' }}>Loading...</div>
+      ) : (
+        <div style={{ 
+          display: 'grid', gridTemplateColumns: 'repeat(auto-fill, minmax(130px, 1fr))', gap: '0.5rem' 
+        }}>
+          {panel.map(item => {
+            const style = RESULT_STYLES[item.result] || RESULT_STYLES.not_tested
+            // Pass the whole test record if it exists so we can edit it
+            const record = item.id ? item : { marker: item.marker, result: 'not_tested' }
+            
+            return (
+              <div 
+                key={item.marker}
+                onClick={() => openEdit(record)}
+                style={{
+                  padding: '0.5rem 0.75rem',
+                  background: style.bg,
+                  border: `1px solid ${style.color}44`,
+                  borderRadius: 'var(--radius-sm)',
+                  cursor: 'pointer',
+                  transition: 'transform 0.1s ease',
+                }}
+                onMouseEnter={e => e.currentTarget.style.transform = 'translateY(-2px)'}
+                onMouseLeave={e => e.currentTarget.style.transform = 'translateY(0)'}
+              >
+                <div style={{ fontSize: '0.75rem', color: 'var(--text-muted)', marginBottom: '0.2rem', fontWeight: 500 }}>
+                  {item.marker}
+                </div>
+                <div style={{ fontSize: '0.875rem', color: style.color, fontWeight: 600, textTransform: 'capitalize' }}>
+                  {item.result.replace('_', ' ')}
+                </div>
+              </div>
+            )
+          })}
+        </div>
+      )}
+
+      {showForm && (
+        <GeneticTestForm
+          dogId={dogId}
+          record={editingRecord}
+          onClose={() => setShowForm(false)}
+          onSave={handleSaved}
+        />
+      )}
+    </div>
+  )
+}

client/src/components/GeneticTestForm.jsx

@@ -0,0 +1,157 @@
+import { useState } from 'react'
+import { X } from 'lucide-react'
+import axios from 'axios'
+
+const GR_MARKERS = [
+  { value: 'PRA1', label: 'PRA1' },
+  { value: 'PRA2', label: 'PRA2' },
+  { value: 'prcd-PRA', label: 'prcd-PRA' },
+  { value: 'GR-PRA1', label: 'GR-PRA1' },
+  { value: 'GR-PRA2', label: 'GR-PRA2' },
+  { value: 'ICH1', label: 'ICH1 (Ichthyosis 1)' },
+  { value: 'ICH2', label: 'ICH2 (Ichthyosis 2)' },
+  { value: 'NCL', label: 'Neuronal Ceroid Lipofuscinosis' },
+  { value: 'DM', label: 'Degenerative Myelopathy' },
+  { value: 'MD', label: 'Muscular Dystrophy' }
+]
+
+const RESULTS = [
+  { value: 'clear', label: 'Clear / Normal' },
+  { value: 'carrier', label: 'Carrier (1 copy)' },
+  { value: 'affected', label: 'Affected / At Risk (2 copies)' },
+  { value: 'not_tested', label: 'Not Tested' }
+]
+
+const EMPTY = {
+  test_provider: 'Embark',
+  marker: 'PRA1',
+  result: 'clear',
+  test_date: '',
+  document_url: '',
+  notes: ''
+}
+
+export default function GeneticTestForm({ dogId, record, onClose, onSave }) {
+  const [form, setForm] = useState(record || { ...EMPTY, dog_id: dogId })
+  const [saving, setSaving] = useState(false)
+  const [error, setError] = useState(null)
+
+  const set = (k, v) => setForm(f => ({ ...f, [k]: v }))
+
+  const handleSubmit = async (e) => {
+    e.preventDefault()
+    setSaving(true)
+    setError(null)
+    
+    // If not tested, don't save
+    if (form.result === 'not_tested' && !record) {
+      setError('Cannot save a "Not Tested" result. Please just delete the record if it exists.')
+      setSaving(false)
+      return
+    }
+
+    try {
+      if (record && record.id) {
+        if (form.result === 'not_tested') {
+          // If changed to not_tested, just delete it
+          await axios.delete(`/api/genetics/${record.id}`)
+        } else {
+          await axios.put(`/api/genetics/${record.id}`, form)
+        }
+      } else {
+        await axios.post('/api/genetics', { ...form, dog_id: dogId })
+      }
+      onSave()
+    } catch (err) {
+      setError(err.response?.data?.error || 'Failed to save genetic record')
+    } finally {
+      setSaving(false)
+    }
+  }
+
+  const labelStyle = {
+    fontSize: '0.8rem', color: 'var(--text-muted)',
+    marginBottom: '0.25rem', display: 'block',
+  }
+  const inputStyle = {
+    width: '100%', background: 'var(--bg-primary)',
+    border: '1px solid var(--border)', borderRadius: 'var(--radius-sm)',
+    padding: '0.5rem 0.75rem', color: 'var(--text-primary)', fontSize: '0.9rem',
+    boxSizing: 'border-box',
+  }
+  const fw = { display: 'flex', flexDirection: 'column', gap: '0.25rem' }
+
+  return (
+    <div style={{
+      position: 'fixed', inset: 0, background: 'rgba(0,0,0,0.7)',
+      backdropFilter: 'blur(4px)', display: 'flex', alignItems: 'center',
+      justifyContent: 'center', zIndex: 1000, padding: '1rem',
+    }}>
+      <div className="card" style={{
+        width: '100%', maxWidth: '500px', maxHeight: '90vh',
+        overflowY: 'auto', position: 'relative',
+      }}>
+        <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: '1.5rem' }}>
+          <h2 style={{ margin: 0 }}>{record && record.id ? 'Edit' : 'Add'} Genetic Result</h2>
+          <button className="btn-icon" onClick={onClose}><X size={20} /></button>
+        </div>
+
+        <form onSubmit={handleSubmit} style={{ display: 'flex', flexDirection: 'column', gap: '1rem' }}>
+          <div style={{ display: 'grid', gridTemplateColumns: '1fr 1fr', gap: '1rem' }}>
+            <div style={fw}>
+              <label style={labelStyle}>Marker *</label>
+              <select style={inputStyle} value={form.marker} onChange={e => set('marker', e.target.value)} disabled={!!record}>
+                {GR_MARKERS.map(m => <option key={m.value} value={m.value}>{m.label}</option>)}
+              </select>
+            </div>
+            <div style={fw}>
+              <label style={labelStyle}>Result *</label>
+              <select style={inputStyle} value={form.result} onChange={e => set('result', e.target.value)}>
+                {RESULTS.map(r => <option key={r.value} value={r.value}>{r.label}</option>)}
+              </select>
+            </div>
+          </div>
+
+          <div style={{ display: 'grid', gridTemplateColumns: '1fr 1fr', gap: '1rem' }}>
+            <div style={fw}>
+              <label style={labelStyle}>Provider</label>
+              <input style={inputStyle} placeholder="Embark, PawPrint, etc." value={form.test_provider}
+                onChange={e => set('test_provider', e.target.value)} />
+            </div>
+            <div style={fw}>
+              <label style={labelStyle}>Test Date</label>
+              <input style={inputStyle} type="date" value={form.test_date}
+                onChange={e => set('test_date', e.target.value)} />
+            </div>
+          </div>
+
+          <div style={fw}>
+            <label style={labelStyle}>Document URL</label>
+            <input style={inputStyle} type="url" placeholder="Link to PDF or result page" value={form.document_url}
+              onChange={e => set('document_url', e.target.value)} />
+          </div>
+
+          <div style={fw}>
+            <label style={labelStyle}>Notes</label>
+            <textarea style={{ ...inputStyle, minHeight: '60px', resize: 'vertical' }}
+              value={form.notes} onChange={e => set('notes', e.target.value)} />
+          </div>
+
+          {error && (
+            <div style={{
+              color: 'var(--danger)', fontSize: '0.85rem', padding: '0.5rem 0.75rem',
+              background: 'rgba(255,59,48,0.1)', borderRadius: 'var(--radius-sm)',
+            }}>{error}</div>
+          )}
+
+          <div style={{ display: 'flex', gap: '0.75rem', justifyContent: 'flex-end', marginTop: '0.5rem' }}>
+            <button type="button" className="btn btn-ghost" onClick={onClose}>Cancel</button>
+            <button type="submit" className="btn btn-primary" disabled={saving}>
+              {saving ? 'Saving...' : 'Save Result'}
+            </button>
+          </div>
+        </form>
+      </div>
+    </div>
+  )
+}

client/src/components/LitterForm.jsx

@@ -39,7 +39,7 @@ function LitterForm({ litter, prefill, onClose, onSave }) {
 
   const fetchDogs = async () => {
     try {
-      const res = await axios.get('/api/dogs')
+      const res = await axios.get('/api/dogs/all')
       setDogs(res.data)
     } catch (error) {
       console.error('Error fetching dogs:', error)

client/src/components/PedigreeTree.jsx

@@ -46,15 +46,15 @@ const PedigreeTree = ({ dogId, pedigreeData, coi }) => {
       : (isMale ? 'rgba(59,130,246,0.3)' : 'rgba(236,72,153,0.3)')
     const ringColor   = isRoot ? rootAccent : nodeColor
 
-    const r = isRoot ? 34 : 28
+    const r = isRoot ? 46 : 38
 
     return (
       <g>
-        {/* Glow halo */}
+        {/* Glow halo — kept within the circle so it doesn't bleed onto text labels */}
         <circle
-          r={r + 10}
+          r={r - 4}
           fill={glowColor}
-          style={{ filter: 'blur(6px)' }}
+          style={{ filter: 'blur(4px)' }}
         />
 
         {/* Outer ring */}
@@ -95,25 +95,25 @@ const PedigreeTree = ({ dogId, pedigreeData, coi }) => {
 
         {/* Gender / crown icon */}
         <text
-          fill={isRoot ? '#fff' : '#fff'}
-          fontSize={isRoot ? 22 : 18}
+          fontSize={isRoot ? 28 : 24}
           textAnchor="middle"
-          dy="7"
-          style={{ pointerEvents: 'none', userSelect: 'none' }}
+          dy="8"
+          stroke="none"
+          style={{ fill: '#ffffff', pointerEvents: 'none', userSelect: 'none' }}
         >
           {isRoot ? '👑' : (isMale ? '♂' : '♀')}
         </text>
 
         {/* Name label */}
         <text
-          fill="var(--text-primary, #f5f0e8)"
-          fontSize={isRoot ? 15 : 13}
+          fontSize={isRoot ? 22 : 18}
           fontWeight={isRoot ? '700' : '600'}
           fontFamily="Inter, sans-serif"
           textAnchor="middle"
           x="0"
-          y={r + 18}
-          style={{ pointerEvents: 'none' }}
+          y={r + 32}
+          stroke="none"
+          style={{ fill: isRoot ? '#ffffff' : '#f8fafc', pointerEvents: 'none' }}
         >
           {nodeDatum.name}
         </text>
@@ -121,13 +121,13 @@ const PedigreeTree = ({ dogId, pedigreeData, coi }) => {
         {/* Breed label (subtle) */}
         {breed && (
           <text
-            fill="var(--text-muted, #8c8472)"
-            fontSize="10"
+            fontSize="14"
             fontFamily="Inter, sans-serif"
             textAnchor="middle"
             x="0"
-            y={r + 31}
-            style={{ pointerEvents: 'none' }}
+            y={r + 52}
+            stroke="none"
+            style={{ fill: '#cbd5e1', pointerEvents: 'none' }}
           >
             {breed}
           </text>
@@ -136,13 +136,13 @@ const PedigreeTree = ({ dogId, pedigreeData, coi }) => {
         {/* Registration number */}
         {nodeDatum.attributes?.registration && (
           <text
-            fill="var(--text-muted, #8c8472)"
-            fontSize="10"
+            fontSize="14"
             fontFamily="Inter, sans-serif"
             textAnchor="middle"
             x="0"
-            y={r + (breed ? 44 : 31)}
-            style={{ pointerEvents: 'none' }}
+            y={r + (breed ? 70 : 52)}
+            stroke="none"
+            style={{ fill: '#94a3b8', pointerEvents: 'none' }}
           >
             {nodeDatum.attributes.registration}
           </text>
@@ -151,13 +151,13 @@ const PedigreeTree = ({ dogId, pedigreeData, coi }) => {
         {/* Birth year */}
         {nodeDatum.attributes?.birth_year && (
           <text
-            fill="var(--text-muted, #8c8472)"
-            fontSize="10"
+            fontSize="14"
             fontFamily="Inter, sans-serif"
             textAnchor="middle"
             x="0"
-            y={r + (breed ? 57 : (nodeDatum.attributes?.registration ? 44 : 31))}
-            style={{ pointerEvents: 'none' }}
+            y={r + (breed ? 88 : (nodeDatum.attributes?.registration ? 70 : 52))}
+            stroke="none"
+            style={{ fill: '#94a3b8', pointerEvents: 'none' }}
           >
             ({nodeDatum.attributes.birth_year})
           </text>
@@ -232,8 +232,8 @@ const PedigreeTree = ({ dogId, pedigreeData, coi }) => {
             }}
             orientation="horizontal"
             pathFunc="step"
-            separation={{ siblings: 1.6, nonSiblings: 2.2 }}
-            nodeSize={{ x: 220, y: 160 }}
+            separation={{ siblings: 1.8, nonSiblings: 2.4 }}
+            nodeSize={{ x: 280, y: 200 }}
             renderCustomNodeElement={renderCustomNode}
             enableLegacyTransitions
             transitionDuration={300}

client/src/components/PedigreeView.css

@@ -2,7 +2,8 @@
   position: relative;
   width: 95vw;
   height: 90vh;
-  background: white;
+  background: var(--bg-primary, #1e1e24);
+  border: 1px solid var(--border, #333);
   border-radius: 12px;
   display: flex;
   flex-direction: column;
@@ -11,7 +12,7 @@
 
 .pedigree-container {
   flex: 1;
-  background: linear-gradient(to bottom, #f8fafc 0%, #e2e8f0 100%);
+  background: var(--bg-primary, #1e1e24);
   position: relative;
   overflow: hidden;
 }
@@ -26,8 +27,8 @@
   display: flex;
   gap: 2rem;
   padding: 0.75rem 1.5rem;
-  background: #f1f5f9;
-  border-bottom: 1px solid #e2e8f0;
+  background: var(--bg-elevated, #2a2a35);
+  border-bottom: 1px solid var(--border, #333);
   justify-content: center;
 }
 
@@ -35,8 +36,8 @@
   display: flex;
   align-items: center;
   gap: 0.5rem;
-  font-size: 0.875rem;
-  color: #475569;
+  font-size: 1rem;
+  color: var(--text-secondary, #a1a1aa);
 }
 
 .legend-color {
@@ -57,10 +58,10 @@
 
 .pedigree-info {
   padding: 0.75rem 1.5rem;
-  background: #f8fafc;
-  border-top: 1px solid #e2e8f0;
-  font-size: 0.875rem;
-  color: #64748b;
+  background: var(--bg-elevated, #2a2a35);
+  border-top: 1px solid var(--border, #333);
+  font-size: 1rem;
+  color: var(--text-muted, #a1a1aa);
   text-align: center;
 }
 
@@ -69,7 +70,7 @@
 }
 
 .pedigree-info strong {
-  color: #334155;
+  color: var(--text-primary, #ffffff);
 }
 
 /* Override react-d3-tree styles */
@@ -94,12 +95,12 @@
 
 .rd3t-label__title {
   font-weight: 600;
-  fill: #1e293b;
+  fill: var(--text-primary, #ffffff);
 }
 
 .rd3t-label__attributes {
-  font-size: 0.875rem;
-  fill: #64748b;
+  font-size: 1rem;
+  fill: var(--text-muted, #a1a1aa);
 }
 
 /* Loading state */

client/src/components/PedigreeView.jsx

@@ -17,19 +17,24 @@ function PedigreeView({ dogId, onClose }) {
   }, [dogId])
 
   useEffect(() => {
+    const container = document.querySelector('.pedigree-container')
+    if (!container) return
+
     const updateDimensions = () => {
-      const container = document.querySelector('.pedigree-container')
-      if (container) {
-        const width = container.offsetWidth
-        const height = container.offsetHeight
-        setDimensions({ width, height })
-        setTranslate({ x: width / 4, y: height / 2 })
-      }
+      const width = container.offsetWidth
+      const height = container.offsetHeight
+      setDimensions({ width, height })
+      setTranslate({ x: width / 4, y: height / 2 })
     }
     
     updateDimensions()
-    window.addEventListener('resize', updateDimensions)
-    return () => window.removeEventListener('resize', updateDimensions)
+    
+    const resizeObserver = new ResizeObserver(() => {
+      updateDimensions()
+    })
+    resizeObserver.observe(container)
+    
+    return () => resizeObserver.disconnect()
   }, [])
 
   const fetchPedigree = async () => {

client/src/pages/Dashboard.jsx

@@ -21,21 +21,21 @@ function Dashboard() {
   const fetchDashboardData = async () => {
     try {
       const [dogsRes, littersRes, heatCyclesRes] = await Promise.all([
-        axios.get('/api/dogs'),
-        axios.get('/api/litters'),
+        axios.get('/api/dogs', { params: { page: 1, limit: 8 } }),
+        axios.get('/api/litters', { params: { page: 1, limit: 1 } }),
         axios.get('/api/breeding/heat-cycles/active')
       ])
 
-      const dogs = dogsRes.data
+      const { data: recentDogsList, stats: dogStats } = dogsRes.data
       setStats({
-        totalDogs: dogs.length,
-        males: dogs.filter(d => d.sex === 'male').length,
-        females: dogs.filter(d => d.sex === 'female').length,
-        totalLitters: littersRes.data.length,
+        totalDogs: dogStats?.total ?? 0,
+        males: dogStats?.males ?? 0,
+        females: dogStats?.females ?? 0,
+        totalLitters: littersRes.data.total,
         activeHeatCycles: heatCyclesRes.data.length
       })
 
-      setRecentDogs(dogs.slice(0, 8))
+      setRecentDogs(recentDogsList)
       setLoading(false)
     } catch (error) {
       console.error('Error fetching dashboard data:', error)

client/src/pages/DogDetail.jsx

@@ -6,6 +6,8 @@ import DogForm from '../components/DogForm'
 import { ChampionBadge, ChampionBloodlineBadge } from '../components/ChampionBadge'
 import ClearanceSummaryCard from '../components/ClearanceSummaryCard'
 import HealthRecordForm from '../components/HealthRecordForm'
+import GeneticPanelCard from '../components/GeneticPanelCard'
+import { ShieldCheck } from 'lucide-react'
 
 function DogDetail() {
   const { id } = useParams()
@@ -262,6 +264,18 @@ function DogDetail() {
                   <span className="info-value" style={{ fontFamily: 'monospace' }}>{dog.registration_number}</span>
                 </div>
               )}
+              {dog.chic_number && (
+                <div className="info-row">
+                  <span className="info-label"><ShieldCheck size={14} style={{ display: 'inline', marginRight: '0.25rem' }} />CHIC Status</span>
+                  <span className="info-value">
+                    <span style={{
+                      fontSize: '0.75rem', fontWeight: 600, padding: '0.2rem 0.6rem',
+                      background: 'rgba(99,102,241,0.15)', color: '#818cf8',
+                      borderRadius: '999px', border: '1px solid rgba(99,102,241,0.3)'
+                    }}>CHIC #{dog.chic_number}</span>
+                  </span>
+                </div>
+              )}
               {dog.microchip && (
                 <div className="info-row">
                   <span className="info-label"><Hash size={14} style={{ display: 'inline', marginRight: '0.25rem' }} />Microchip</span>
@@ -317,6 +331,9 @@ function DogDetail() {
       {/* OFA Clearance Summary */}
       <ClearanceSummaryCard dogId={id} onAddRecord={openAddHealth} />
 
+      {/* DNA Genetics Panel */}
+      <GeneticPanelCard dogId={id} />
+
       {/* Health Records List */}
       {healthRecords.length > 0 && (
         <div className="card" style={{ marginBottom: '1.5rem' }}>

client/src/pages/DogList.jsx

@@ -1,57 +1,69 @@
-import { useEffect, useState } from 'react'
+import { useEffect, useState, useRef } from 'react'
 import { Link, useNavigate } from 'react-router-dom'
 import { Dog, Plus, Search, Calendar, Hash, ArrowRight, Trash2 } from 'lucide-react'
 import axios from 'axios'
 import DogForm from '../components/DogForm'
 import { ChampionBadge, ChampionBloodlineBadge } from '../components/ChampionBadge'
 
+const LIMIT = 50
+
 function DogList() {
   const [dogs, setDogs] = useState([])
-  const [filteredDogs, setFilteredDogs] = useState([])
+  const [total, setTotal] = useState(0)
+  const [page, setPage] = useState(1)
   const [search, setSearch] = useState('')
   const [sexFilter, setSexFilter] = useState('all')
   const [loading, setLoading] = useState(true)
   const [showAddModal, setShowAddModal] = useState(false)
   const [deleteTarget, setDeleteTarget] = useState(null)  // { id, name }
   const [deleting, setDeleting] = useState(false)
+  const searchTimerRef = useRef(null)
 
-  useEffect(() => { fetchDogs() }, [])
-  useEffect(() => { filterDogs() }, [dogs, search, sexFilter])
+  useEffect(() => { fetchDogs(1, '', 'all') }, [])  // eslint-disable-line
 
-  const fetchDogs = async () => {
+  const fetchDogs = async (p, q, s) => {
+    setLoading(true)
     try {
-      const res = await axios.get('/api/dogs')
-      setDogs(res.data)
-      setLoading(false)
+      const params = { page: p, limit: LIMIT }
+      if (q) params.search = q
+      if (s !== 'all') params.sex = s
+      const res = await axios.get('/api/dogs', { params })
+      setDogs(res.data.data)
+      setTotal(res.data.total)
+      setPage(p)
     } catch (error) {
       console.error('Error fetching dogs:', error)
+    } finally {
       setLoading(false)
     }
   }
 
-  const filterDogs = () => {
-    let filtered = dogs
-    if (search) {
-      filtered = filtered.filter(dog =>
-        dog.name.toLowerCase().includes(search.toLowerCase()) ||
-        (dog.registration_number && dog.registration_number.toLowerCase().includes(search.toLowerCase()))
-      )
-    }
-    if (sexFilter !== 'all') {
-      filtered = filtered.filter(dog => dog.sex === sexFilter)
-    }
-    setFilteredDogs(filtered)
+  const handleSearchChange = (value) => {
+    setSearch(value)
+    if (searchTimerRef.current) clearTimeout(searchTimerRef.current)
+    searchTimerRef.current = setTimeout(() => fetchDogs(1, value, sexFilter), 300)
   }
 
-  const handleSave = () => { fetchDogs() }
+  const handleSexChange = (value) => {
+    setSexFilter(value)
+    fetchDogs(1, search, value)
+  }
+
+  const handleClearFilters = () => {
+    setSearch('')
+    setSexFilter('all')
+    fetchDogs(1, '', 'all')
+  }
+
+  const handleSave = () => { fetchDogs(page, search, sexFilter) }
 
   const handleDelete = async () => {
     if (!deleteTarget) return
     setDeleting(true)
     try {
       await axios.delete(`/api/dogs/${deleteTarget.id}`)
-      setDogs(prev => prev.filter(d => d.id !== deleteTarget.id))
       setDeleteTarget(null)
+      fetchDogs(page, search, sexFilter)
     } catch (err) {
       console.error('Delete failed:', err)
       alert('Failed to delete dog. Please try again.')
@@ -60,6 +72,8 @@ function DogList() {
     }
   }
 
+  const totalPages = Math.ceil(total / LIMIT)
+
   const calculateAge = (birthDate) => {
     if (!birthDate) return null
     const today = new Date()
@@ -85,7 +99,7 @@ function DogList() {
         <div>
           <h1 style={{ marginBottom: '0.25rem' }}>Dogs</h1>
           <p style={{ color: 'var(--text-secondary)', fontSize: '0.875rem' }}>
-            {filteredDogs.length} {filteredDogs.length === 1 ? 'dog' : 'dogs'}
+            {total} {total === 1 ? 'dog' : 'dogs'}
             {search || sexFilter !== 'all' ? ' matching filters' : ' total'}
           </p>
         </div>
@@ -105,11 +119,11 @@ function DogList() {
               className="input"
               placeholder="Search by name or registration..."
               value={search}
-              onChange={(e) => setSearch(e.target.value)}
+              onChange={(e) => handleSearchChange(e.target.value)}
               style={{ paddingLeft: '2.75rem' }}
             />
           </div>
-          <select className="input" value={sexFilter} onChange={(e) => setSexFilter(e.target.value)} style={{ width: '140px' }}>
+          <select className="input" value={sexFilter} onChange={(e) => handleSexChange(e.target.value)} style={{ width: '140px' }}>
             <option value="all">All Dogs</option>
             <option value="male">Males ♂</option>
             <option value="female">Females ♀</option>
@@ -117,7 +131,7 @@ function DogList() {
           {(search || sexFilter !== 'all') && (
             <button
               className="btn btn-ghost"
-              onClick={() => { setSearch(''); setSexFilter('all') }}
+              onClick={handleClearFilters}
               style={{ padding: '0.625rem 1rem', fontSize: '0.875rem' }}
             >
               Clear
@@ -127,7 +141,7 @@ function DogList() {
       </div>
 
       {/* Dogs List */}
-      {filteredDogs.length === 0 ? (
+      {dogs.length === 0 ? (
         <div className="card" style={{ textAlign: 'center', padding: '4rem 2rem' }}>
           <Dog size={64} style={{ color: 'var(--text-muted)', margin: '0 auto 1rem', opacity: 0.5 }} />
           <h3 style={{ marginBottom: '0.5rem' }}>
@@ -147,7 +161,7 @@ function DogList() {
         </div>
       ) : (
         <div style={{ display: 'grid', gap: '1rem' }}>
-          {filteredDogs.map(dog => (
+          {dogs.map(dog => (
             <div
               key={dog.id}
               className="card"
@@ -259,6 +273,19 @@ function DogList() {
                     {dog.registration_number}
                   </div>
                 )}
+                {dog.chic_number && (
+                  <div style={{
+                    display: 'inline-flex', alignItems: 'center', gap: '0.25rem',
+                    padding: '0.25rem 0.5rem',
+                    background: 'rgba(99,102,241,0.1)',
+                    border: '1px solid rgba(99,102,241,0.3)',
+                    borderRadius: 'var(--radius-sm)',
+                    fontSize: '0.75rem', fontWeight: 600,
+                    color: '#818cf8', marginLeft: '0.5rem'
+                  }}>
+                    CHIC #{dog.chic_number}
+                  </div>
+                )}
               </Link>
 
               {/* Actions */}
@@ -300,6 +327,31 @@ function DogList() {
         </div>
       )}
 
+      {/* Pagination */}
+      {totalPages > 1 && (
+        <div style={{ display: 'flex', justifyContent: 'center', alignItems: 'center', gap: '1rem', marginTop: '1.5rem' }}>
+          <button
+            className="btn btn-ghost"
+            onClick={() => fetchDogs(page - 1, search, sexFilter)}
+            disabled={page <= 1 || loading}
+            style={{ padding: '0.5rem 1rem' }}
+          >
+            Previous
+          </button>
+          <span style={{ color: 'var(--text-secondary)', fontSize: '0.875rem' }}>
+            Page {page} of {totalPages}
+          </span>
+          <button
+            className="btn btn-ghost"
+            onClick={() => fetchDogs(page + 1, search, sexFilter)}
+            disabled={page >= totalPages || loading}
+            style={{ padding: '0.5rem 1rem' }}
+          >
+            Next
+          </button>
+        </div>
+      )}
+
       {/* Add Dog Modal */}
       {showAddModal && (
         <DogForm

client/src/pages/LitterDetail.jsx

@@ -278,7 +278,7 @@ function LitterDetail() {
 
   const fetchAllDogs = async () => {
     try {
-      const res = await axios.get('/api/dogs')
+      const res = await axios.get('/api/dogs/all')
       setAllDogs(res.data)
     } catch (err) { console.error('Error fetching dogs:', err) }
   }

client/src/pages/LitterList.jsx

@@ -4,8 +4,12 @@ import { useNavigate } from 'react-router-dom'
 import axios from 'axios'
 import LitterForm from '../components/LitterForm'
 
+const LIMIT = 50
+
 function LitterList() {
   const [litters, setLitters] = useState([])
+  const [total, setTotal] = useState(0)
+  const [page, setPage] = useState(1)
   const [loading, setLoading] = useState(true)
   const [showForm, setShowForm] = useState(false)
   const [editingLitter, setEditingLitter] = useState(null)
@@ -13,7 +17,7 @@ function LitterList() {
   const navigate = useNavigate()
 
   useEffect(() => {
-    fetchLitters()
+    fetchLitters(1)
     // Auto-open form with prefill from BreedingCalendar "Record Litter" CTA
     const stored = sessionStorage.getItem('prefillLitter')
     if (stored) {
@@ -27,10 +31,12 @@ function LitterList() {
     }
   }, [])
 
-  const fetchLitters = async () => {
+  const fetchLitters = async (p = page) => {
     try {
-      const res = await axios.get('/api/litters')
-      setLitters(res.data)
+      const res = await axios.get('/api/litters', { params: { page: p, limit: LIMIT } })
+      setLitters(res.data.data)
+      setTotal(res.data.total)
+      setPage(p)
     } catch (error) {
       console.error('Error fetching litters:', error)
     } finally {
@@ -38,6 +44,8 @@ function LitterList() {
     }
   }
 
+  const totalPages = Math.ceil(total / LIMIT)
+
   const handleCreate = () => {
     setEditingLitter(null)
     setPrefill(null)
@@ -56,14 +64,14 @@ function LitterList() {
     if (!window.confirm('Delete this litter record? Puppies will be unlinked but not deleted.')) return
     try {
       await axios.delete(`/api/litters/${id}`)
-      fetchLitters()
+      fetchLitters(page)
     } catch (error) {
       console.error('Error deleting litter:', error)
     }
   }
 
   const handleSave = () => {
-    fetchLitters()
+    fetchLitters(page)
   }
 
   if (loading) {
@@ -80,7 +88,7 @@ function LitterList() {
         </button>
       </div>
 
-      {litters.length === 0 ? (
+      {total === 0 ? (
         <div className="card" style={{ textAlign: 'center', padding: '4rem' }}>
           <Activity size={64} style={{ color: 'var(--text-secondary)', margin: '0 auto 1rem' }} />
           <h2>No litters recorded yet</h2>
@@ -143,6 +151,31 @@ function LitterList() {
         </div>
       )}
 
+      {/* Pagination */}
+      {totalPages > 1 && (
+        <div style={{ display: 'flex', justifyContent: 'center', alignItems: 'center', gap: '1rem', marginTop: '1.5rem' }}>
+          <button
+            className="btn btn-ghost"
+            onClick={() => fetchLitters(page - 1)}
+            disabled={page <= 1 || loading}
+            style={{ padding: '0.5rem 1rem' }}
+          >
+            Previous
+          </button>
+          <span style={{ color: 'var(--text-secondary)', fontSize: '0.875rem' }}>
+            Page {page} of {totalPages}
+          </span>
+          <button
+            className="btn btn-ghost"
+            onClick={() => fetchLitters(page + 1)}
+            disabled={page >= totalPages || loading}
+            style={{ padding: '0.5rem 1rem' }}
+          >
+            Next
+          </button>
+        </div>
+      )}
+
       {showForm && (
         <LitterForm
           litter={editingLitter}

client/src/pages/PairingSimulator.jsx

@@ -11,6 +11,8 @@ export default function PairingSimulator() {
   const [dogsLoading, setDogsLoading] = useState(true)
   const [relationWarning, setRelationWarning] = useState(null)
   const [relationChecking, setRelationChecking] = useState(false)
+  const [geneticRisk, setGeneticRisk] = useState(null)
+  const [geneticChecking, setGeneticChecking] = useState(false)
 
   useEffect(() => {
     // include_external=1 ensures external sires/dams appear for pairing
@@ -27,17 +29,28 @@ export default function PairingSimulator() {
   const checkRelation = useCallback(async (sid, did) => {
     if (!sid || !did) {
       setRelationWarning(null)
+      setGeneticRisk(null)
       return
     }
     setRelationChecking(true)
+    setGeneticChecking(true)
     try {
-      const res = await fetch(`/api/pedigree/relations/${sid}/${did}`)
-      const data = await res.json()
-      setRelationWarning(data.related ? data.relationship : null)
+      const [relRes, genRes] = await Promise.all([
+        fetch(`/api/pedigree/relations/${sid}/${did}`),
+        fetch(`/api/genetics/pairing-risk?sireId=${sid}&damId=${did}`)
+      ])
+      
+      const relData = await relRes.json()
+      setRelationWarning(relData.related ? relData.relationship : null)
+      
+      const genData = await genRes.json()
+      setGeneticRisk(genData)
     } catch {
       setRelationWarning(null)
+      setGeneticRisk(null)
     } finally {
       setRelationChecking(false)
+      setGeneticChecking(false)
     }
   }, [])
 
@@ -142,7 +155,7 @@ export default function PairingSimulator() {
 
           {relationChecking && (
             <div style={{ fontSize: '0.85rem', color: 'var(--text-muted)', marginBottom: '0.75rem' }}>
-              Checking relationship...
+              Checking relationship and genetics...
             </div>
           )}
 
@@ -158,6 +171,31 @@ export default function PairingSimulator() {
             </div>
           )}
 
+          {geneticRisk && geneticRisk.risks && geneticRisk.risks.length > 0 && !geneticChecking && (
+            <div style={{
+              padding: '0.6rem 1rem', marginBottom: '0.75rem',
+              background: 'rgba(255,159,10,0.08)', border: '1px solid rgba(255,159,10,0.3)',
+              borderRadius: 'var(--radius)', fontSize: '0.875rem', color: 'var(--warning)',
+            }}>
+              <div style={{ display: 'flex', alignItems: 'center', gap: '0.5rem', marginBottom: '0.25rem', fontWeight: 600 }}>
+                <ShieldAlert size={16} /> Genetic Risks Detected
+              </div>
+              <ul style={{ margin: 0, paddingLeft: '1.5rem' }}>
+                {geneticRisk.risks.map(r => (
+                  <li key={r.marker}>
+                    <strong>{r.marker}</strong>: {r.message}
+                  </li>
+                ))}
+              </ul>
+            </div>
+          )}
+
+          {geneticRisk && geneticRisk.missing_data && !geneticChecking && (
+            <div style={{ fontSize: '0.8rem', color: 'var(--text-muted)', marginBottom: '0.75rem', fontStyle: 'italic' }}>
+              * Sire or dam has missing genetic tests. Clearances cannot be fully verified.
+            </div>
+          )}
+
           <button
             type="submit"
             className="btn btn-primary"

client/src/pages/PedigreeView.jsx

@@ -3,7 +3,7 @@ import { useParams, useNavigate } from 'react-router-dom'
 import { ArrowLeft, GitBranch, AlertCircle, Loader } from 'lucide-react'
 import axios from 'axios'
 import PedigreeTree from '../components/PedigreeTree'
-import { transformPedigreeData, formatCOI, getPedigreeCompleteness } from '../utils/pedigreeHelpers'
+import { transformPedigreeData, transformDescendantData, formatCOI, getPedigreeCompleteness } from '../utils/pedigreeHelpers'
 
 function PedigreeView() {
   const { id } = useParams()
@@ -14,28 +14,39 @@ function PedigreeView() {
   const [pedigreeData, setPedigreeData] = useState(null)
   const [coiData, setCoiData] = useState(null)
   const [generations, setGenerations] = useState(5)
+  const [viewMode, setViewMode] = useState('ancestors')
 
   useEffect(() => {
     fetchPedigreeData()
-  }, [id, generations])
+  }, [id, generations, viewMode])
 
   const fetchPedigreeData = async () => {
     setLoading(true)
     setError('')
 
     try {
-      const pedigreeRes = await axios.get(`/api/pedigree/${id}`)
-      const dogData = pedigreeRes.data
-      setDog(dogData)
+      if (viewMode === 'ancestors') {
+        const pedigreeRes = await axios.get(`/api/pedigree/${id}`)
+        const dogData = pedigreeRes.data
+        setDog(dogData)
 
-      const treeData = transformPedigreeData(dogData, generations)
-      setPedigreeData(treeData)
+        const treeData = transformPedigreeData(dogData, generations)
+        setPedigreeData(treeData)
 
-      try {
-        const coiRes = await axios.get(`/api/pedigree/${id}/coi`)
-        setCoiData(coiRes.data)
-      } catch (coiError) {
-        console.warn('COI calculation unavailable:', coiError)
+        try {
+          const coiRes = await axios.get(`/api/pedigree/${id}/coi`)
+          setCoiData(coiRes.data)
+        } catch (coiError) {
+          console.warn('COI calculation unavailable:', coiError)
+          setCoiData(null)
+        }
+      } else {
+        const descendantRes = await axios.get(`/api/pedigree/${id}/descendants?generations=${generations}`)
+        const dogData = descendantRes.data
+        setDog(dogData)
+
+        const treeData = transformDescendantData(dogData, generations)
+        setPedigreeData(treeData)
         setCoiData(null)
       }
 
@@ -86,7 +97,7 @@ function PedigreeView() {
   return (
     <div className="container">
       {/* Header */}
-      <div style={{ display: 'flex', alignItems: 'center', gap: '1rem', marginBottom: '1.5rem' }}>
+      <div style={{ display: 'flex', alignItems: 'center', gap: '1rem', marginBottom: '1.5rem', flexWrap: 'wrap' }}>
         <button
           className="btn btn-secondary"
           onClick={() => navigate(`/dogs/${id}`)}
@@ -96,10 +107,10 @@ function PedigreeView() {
           Back to Profile
         </button>
 
-        <div style={{ flex: 1 }}>
+        <div style={{ flex: 1, minWidth: '200px' }}>
           <h1 style={{ margin: 0, display: 'flex', alignItems: 'center', gap: '0.75rem' }}>
             <GitBranch size={32} style={{ color: 'var(--primary)' }} />
-            {dog?.name}'s Pedigree
+            {dog?.name}'s {viewMode === 'ancestors' ? 'Pedigree' : 'Descendants'}
           </h1>
           {dog?.registration_number && (
             <p style={{ color: 'var(--text-secondary)', margin: '0.25rem 0 0 0' }}>
@@ -107,65 +118,86 @@ function PedigreeView() {
             </p>
           )}
         </div>
+
+        <div style={{ display: 'flex', background: 'var(--bg-tertiary)', padding: '4px', borderRadius: 'var(--radius)' }}>
+          <button
+            className={`btn ${viewMode === 'ancestors' ? 'btn-primary' : 'btn-ghost'}`}
+            onClick={() => setViewMode('ancestors')}
+            style={{ padding: '0.5rem 1rem' }}
+          >
+            Ancestors
+          </button>
+          <button
+            className={`btn ${viewMode === 'descendants' ? 'btn-primary' : 'btn-ghost'}`}
+            onClick={() => setViewMode('descendants')}
+            style={{ padding: '0.5rem 1rem' }}
+          >
+            Descendants
+          </button>
+        </div>
       </div>
 
       {/* Stats Bar */}
       <div className="card" style={{ marginBottom: '1rem', padding: '1rem' }}>
         <div style={{ display: 'grid', gridTemplateColumns: 'repeat(auto-fit, minmax(200px, 1fr))', gap: '1.5rem' }}>
 
-          {/* COI */}
-          <div>
-            <div style={{ fontSize: '0.875rem', color: 'var(--text-muted)', marginBottom: '0.25rem', textTransform: 'uppercase', letterSpacing: '0.05em', fontWeight: 500 }}>
-              Coefficient of Inbreeding
-            </div>
-            <div style={{ display: 'flex', alignItems: 'center', gap: '0.5rem' }}>
-              <span style={{ fontSize: '1.5rem', fontWeight: '700', color: coiInfo.color }}>
-                {coiInfo.value}
-              </span>
-              <span style={{
-                fontSize: '0.75rem',
-                padding: '0.25rem 0.5rem',
-                borderRadius: '4px',
-                background: coiInfo.color + '20',
-                color: coiInfo.color,
-                textTransform: 'uppercase',
-                fontWeight: '600'
-              }}>
-                {coiInfo.level}
-              </span>
-            </div>
-            <div style={{ fontSize: '0.75rem', color: 'var(--text-muted)', marginTop: '0.25rem' }}>
-              {coiInfo.description}
-            </div>
-          </div>
-
-          {/* Completeness */}
-          <div>
-            <div style={{ fontSize: '0.875rem', color: 'var(--text-muted)', marginBottom: '0.25rem', textTransform: 'uppercase', letterSpacing: '0.05em', fontWeight: 500 }}>
-              Pedigree Completeness
-            </div>
-            <div style={{ fontSize: '1.5rem', fontWeight: '700', color: 'var(--text-primary)' }}>
-              {completeness}%
-            </div>
-            <div style={{ marginTop: '0.5rem' }}>
-              <div style={{
-                height: '6px',
-                background: 'var(--bg-tertiary)',
-                borderRadius: '3px',
-                overflow: 'hidden',
-                border: '1px solid var(--border)'
-              }}>
-                <div style={{
-                  height: '100%',
-                  width: `${completeness}%`,
-                  background: barColor,
-                  borderRadius: '3px',
-                  transition: 'width 0.4s ease',
-                  boxShadow: `0 0 6px ${barColor}`
-                }} />
+          {viewMode === 'ancestors' && (
+            <>
+              {/* COI */}
+              <div>
+                <div style={{ fontSize: '0.875rem', color: 'var(--text-muted)', marginBottom: '0.25rem', textTransform: 'uppercase', letterSpacing: '0.05em', fontWeight: 500 }}>
+                  Coefficient of Inbreeding
+                </div>
+                <div style={{ display: 'flex', alignItems: 'center', gap: '0.5rem' }}>
+                  <span style={{ fontSize: '1.5rem', fontWeight: '700', color: coiInfo.color }}>
+                    {coiInfo.value}
+                  </span>
+                  <span style={{
+                    fontSize: '0.75rem',
+                    padding: '0.25rem 0.5rem',
+                    borderRadius: '4px',
+                    background: coiInfo.color + '20',
+                    color: coiInfo.color,
+                    textTransform: 'uppercase',
+                    fontWeight: '600'
+                  }}>
+                    {coiInfo.level}
+                  </span>
+                </div>
+                <div style={{ fontSize: '0.75rem', color: 'var(--text-muted)', marginTop: '0.25rem' }}>
+                  {coiInfo.description}
+                </div>
               </div>
-            </div>
-          </div>
+
+              {/* Completeness */}
+              <div>
+                <div style={{ fontSize: '0.875rem', color: 'var(--text-muted)', marginBottom: '0.25rem', textTransform: 'uppercase', letterSpacing: '0.05em', fontWeight: 500 }}>
+                  Pedigree Completeness
+                </div>
+                <div style={{ fontSize: '1.5rem', fontWeight: '700', color: 'var(--text-primary)' }}>
+                  {completeness}%
+                </div>
+                <div style={{ marginTop: '0.5rem' }}>
+                  <div style={{
+                    height: '6px',
+                    background: 'var(--bg-tertiary)',
+                    borderRadius: '3px',
+                    overflow: 'hidden',
+                    border: '1px solid var(--border)'
+                  }}>
+                    <div style={{
+                      height: '100%',
+                      width: `${completeness}%`,
+                      background: barColor,
+                      borderRadius: '3px',
+                      transition: 'width 0.4s ease',
+                      boxShadow: `0 0 6px ${barColor}`
+                    }} />
+                  </div>
+                </div>
+              </div>
+            </>
+          )}
 
           {/* Generations */}
           <div>

client/src/utils/pedigreeHelpers.js

@@ -180,4 +180,48 @@ export const getPedigreeCompleteness = (treeData, targetGenerations = 5) => {
   const expectedTotal = Math.pow(2, targetGenerations) - 1
   const actualCount = countAncestors(treeData)
   return Math.min(100, Math.round((actualCount / expectedTotal) * 100))
+}
+
+/**
+ * Transform API descendant data to react-d3-tree format
+ * @param {Object} dog - Dog object from API with nested offspring array
+ * @param {number} maxGenerations - Maximum generations to display (default 3)
+ * @returns {Object} Tree data in react-d3-tree format
+ */
+export const transformDescendantData = (dog, maxGenerations = 3) => {
+  if (!dog) return null
+
+  const buildTree = (dogData, generation = 0) => {
+    if (!dogData || generation >= maxGenerations) {
+      return null
+    }
+
+    const node = {
+      name: dogData.name || 'Unknown',
+      attributes: {
+        id: dogData.id,
+        sex: dogData.sex,
+        registration: dogData.registration_number || '',
+        birth_year: dogData.birth_date ? new Date(dogData.birth_date).getFullYear() : ''
+      },
+      children: []
+    }
+
+    if (dogData.offspring && dogData.offspring.length > 0) {
+      dogData.offspring.forEach(child => {
+        const childNode = buildTree(child, generation + 1)
+        if (childNode) {
+          node.children.push(childNode)
+        }
+      })
+    }
+
+    if (node.children.length === 0) {
+      delete node.children
+    }
+
+    return node
+  }
+
+  return buildTree(dog)
 }

docs/VERIFICATION_CHECKLIST.md

@@ -1,304 +0,0 @@
-# BREEDR Verification Checklist
-
-## Microchip Field Fix Verification
-
-### ✅ Schema Files (All Correct)
-
-#### 1. Database Schema: `server/db/init.js`
-- [x] **Line 29:** `microchip TEXT,` (no UNIQUE constraint)
-- [x] **Lines 38-43:** Partial unique index created
-  ```sql
-  CREATE UNIQUE INDEX IF NOT EXISTS idx_dogs_microchip 
-  ON dogs(microchip) 
-  WHERE microchip IS NOT NULL
-  ```
-
-**Status:** ✅ Correct for future installations
-
----
-
-#### 2. UI Form: `client/src/components/DogForm.jsx`
-- [x] **Line 150:** Microchip input has NO `required` attribute
-- [x] Label shows "Microchip Number" (no asterisk)
-- [x] Field is truly optional in the UI
-
-**Status:** ✅ Correct - users can leave microchip blank
-
----
-
-#### 3. Migration Script: `server/db/migrate_microchip.js`
-- [x] Exists and is executable
-- [x] Safely migrates existing databases
-- [x] Idempotent (can run multiple times)
-- [x] Preserves all data during migration
-
-**Status:** ✅ Available for existing installations
-
----
-
-#### 4. Migration Helper: `migrate-now.sh`
-- [x] Shell script for easy execution
-- [x] Checks if container is running
-- [x] Runs migration inside container
-- [x] Restarts container after migration
-
-**Status:** ✅ User-friendly migration tool
-
----
-
-#### 5. Documentation: `docs/MICROCHIP_FIX.md`
-- [x] Problem explanation
-- [x] Solution details
-- [x] Migration instructions (3 options)
-- [x] Verification tests
-- [x] Troubleshooting guide
-
-**Status:** ✅ Complete documentation
-
----
-
-#### 6. README: `README.md`
-- [x] Migration notice at top
-- [x] Link to detailed documentation
-- [x] Upgrade instructions included
-- [x] Recent updates section added
-
-**Status:** ✅ Users will see migration notice
-
----
-
-## For Future Installations
-
-### Fresh Install (No Migration Needed)
-
-When a user does a **fresh install** (no existing database):
-
-1. Container starts
-2. `server/db/init.js` runs automatically
-3. Database created with **correct schema**
-4. Microchip field is **optional from the start**
-5. No migration required ✅
-
-### Existing Installation (Migration Required)
-
-When a user **upgrades** from an old version:
-
-1. Pull latest code
-2. Rebuild Docker image
-3. Start container
-4. **Must run migration:** `docker exec -it breedr node server/db/migrate_microchip.js`
-5. Restart container
-6. Microchip field now optional ✅
-
----
-
-## Testing Checklist
-
-### Test 1: Add Dog Without Microchip
-```bash
-curl -X POST http://localhost:3000/api/dogs \
-  -H "Content-Type: application/json" \
-  -d '{"name":"TestDog1","breed":"Lab","sex":"male"}'
-```
-**Expected:** ✅ Success (201 Created)
-
-### Test 2: Add Multiple Dogs Without Microchips
-```bash
-curl -X POST http://localhost:3000/api/dogs \
-  -H "Content-Type: application/json" \
-  -d '{"name":"TestDog2","breed":"Lab","sex":"female"}'
-```
-**Expected:** ✅ Success (multiple NULL values allowed)
-
-### Test 3: Add Dog With Microchip
-```bash
-curl -X POST http://localhost:3000/api/dogs \
-  -H "Content-Type: application/json" \
-  -d '{"name":"TestDog3","breed":"Lab","sex":"male","microchip":"123456789"}'
-```
-**Expected:** ✅ Success
-
-### Test 4: Duplicate Microchip Should Fail
-```bash
-curl -X POST http://localhost:3000/api/dogs \
-  -H "Content-Type: application/json" \
-  -d '{"name":"TestDog4","breed":"Lab","sex":"female","microchip":"123456789"}'
-```
-**Expected:** ❌ Error (UNIQUE constraint still enforced for non-NULL)
-
----
-
-## Database Verification
-
-### Check Schema Directly
-
-```bash
-# Enter container
-docker exec -it breedr sh
-
-# Open SQLite CLI
-sqlite3 /app/data/breedr.db
-
-# Check table schema
-.schema dogs
-
-# Should show:
-# microchip TEXT,  (no UNIQUE)
-
-# Check indexes
-.indexes dogs
-
-# Should show:
-# idx_dogs_microchip (partial index)
-
-# Verify partial index
-SELECT sql FROM sqlite_master 
-WHERE type='index' AND name='idx_dogs_microchip';
-
-# Should show:
-# CREATE UNIQUE INDEX idx_dogs_microchip 
-# ON dogs(microchip) WHERE microchip IS NOT NULL
-```
-
----
-
-## Rollback Plan
-
-If something goes wrong:
-
-### Option A: Restore Backup
-```bash
-docker stop breedr
-cp /mnt/user/appdata/breedr/breedr.db.backup \
-   /mnt/user/appdata/breedr/breedr.db
-docker start breedr
-```
-
-### Option B: Re-run Migration
-```bash
-docker exec -it breedr node server/db/migrate_microchip.js
-docker restart breedr
-```
-
-### Option C: Fresh Database (Data Loss)
-```bash
-docker stop breedr
-rm /mnt/user/appdata/breedr/breedr.db
-docker start breedr
-```
-
----
-
-## Deployment Verification
-
-After deploying to production:
-
-- [ ] Check container logs for schema initialization
-- [ ] Verify database schema with SQLite CLI
-- [ ] Test adding dog without microchip via UI
-- [ ] Test adding dog with microchip via UI
-- [ ] Confirm no UNIQUE constraint errors
-- [ ] Verify partial index exists
-- [ ] Test duplicate microchip still fails
-
----
-
-## Common Issues
-
-### Issue: Still Getting UNIQUE Constraint Error
-
-**Cause:** Migration not run on existing database
-
-**Solution:**
-```bash
-docker exec -it breedr node server/db/migrate_microchip.js
-docker restart breedr
-```
-
-### Issue: Migration Script Not Found
-
-**Cause:** Old code still in container
-
-**Solution:**
-```bash
-cd /mnt/user/appdata/breedr-build
-git pull
-docker build -t breedr:latest .
-docker stop breedr && docker rm breedr
-# Recreate container with new image
-```
-
-### Issue: Microchip Required in UI
-
-**Cause:** Browser cached old JavaScript
-
-**Solution:**
-- Hard refresh: Ctrl+Shift+R (Windows/Linux) or Cmd+Shift+R (Mac)
-- Clear browser cache
-- Try incognito/private window
-
----
-
-## File Manifest
-
-### Core Files (Must Be Present)
-- ✅ `server/db/init.js` - Database schema (corrected)
-- ✅ `server/db/migrate_microchip.js` - Migration script
-- ✅ `client/src/components/DogForm.jsx` - UI form (microchip optional)
-- ✅ `migrate-now.sh` - Helper script
-- ✅ `docs/MICROCHIP_FIX.md` - Detailed documentation
-- ✅ `docs/VERIFICATION_CHECKLIST.md` - This file
-- ✅ `README.md` - Updated with migration notice
-
-### Validation Commands
-
-```bash
-# Check all files exist
-ls -la server/db/init.js
-ls -la server/db/migrate_microchip.js
-ls -la client/src/components/DogForm.jsx
-ls -la migrate-now.sh
-ls -la docs/MICROCHIP_FIX.md
-ls -la docs/VERIFICATION_CHECKLIST.md
-
-# Verify microchip field in init.js
-grep -n "microchip TEXT" server/db/init.js
-# Should show line 29 with NO UNIQUE
-
-# Verify partial index
-grep -A2 "idx_dogs_microchip" server/db/init.js
-# Should show WHERE clause
-
-# Verify form has no required
-grep -n 'name="microchip"' client/src/components/DogForm.jsx
-# Should NOT have required attribute
-```
-
----
-
-## Sign-Off
-
-### Pre-Deployment Checklist
-- [x] Schema file correct (no UNIQUE on microchip)
-- [x] Partial index created (WHERE IS NOT NULL)
-- [x] UI form allows empty microchip
-- [x] Migration script tested
-- [x] Documentation complete
-- [x] README updated
-- [x] Tests passing
-
-### Post-Deployment Checklist
-- [ ] Container started successfully
-- [ ] Schema verified in database
-- [ ] UI allows empty microchip
-- [ ] Multiple NULL values work
-- [ ] Unique constraint still enforced for non-NULL
-- [ ] No errors in logs
-
----
-
-**Last Verified:** March 8, 2026
-
-**Status:** ✅ All files correct for future installations
-
-**Migration Required:** Only for existing databases (one-time)

server/db/init.js

@@ -157,6 +157,18 @@ function initDatabase() {
     )
   `);
 
+  const geneticMigrations = [
+    ['test_provider', 'TEXT'],
+    ['marker', "TEXT NOT NULL DEFAULT 'unknown'"],
+    ['result', "TEXT NOT NULL DEFAULT 'not_tested'"],
+    ['test_date', 'TEXT'],
+    ['document_url', 'TEXT'],
+    ['notes', 'TEXT']
+  ];
+  for (const [col, def] of geneticMigrations) {
+    try { db.exec(`ALTER TABLE genetic_tests ADD COLUMN ${col} ${def}`); } catch (_) {}
+  }
+
   // ── Cancer History ────────────────────────────────────────────────────────
   db.exec(`
     CREATE TABLE IF NOT EXISTS cancer_history (
@@ -173,6 +185,17 @@ function initDatabase() {
     )
   `);
 
+  const cancerMigrations = [
+    ['cancer_type', 'TEXT'],
+    ['age_at_diagnosis', 'TEXT'],
+    ['age_at_death', 'TEXT'],
+    ['cause_of_death', 'TEXT'],
+    ['notes', 'TEXT']
+  ];
+  for (const [col, def] of cancerMigrations) {
+    try { db.exec(`ALTER TABLE cancer_history ADD COLUMN ${col} ${def}`); } catch (_) {}
+  }
+
   // ── Settings ──────────────────────────────────────────────────────────────
   db.exec(`
     CREATE TABLE IF NOT EXISTS settings (

server/routes/dogs.js

@@ -55,34 +55,72 @@ function attachParents(db, dogs) {
   return dogs;
 }
 
-// ── GET dogs
+// ── GET dogs (paginated)
 //    Default: kennel dogs only (is_external = 0)
 //    ?include_external=1 : all active dogs (kennel + external)
 //    ?external_only=1    : external dogs only
+//    ?page=1&limit=50    : pagination
+//    ?search=term        : filter by name or registration_number
+//    ?sex=male|female    : filter by sex
+//    Response: { data, total, page, limit, stats: { total, males, females } }
 // ─────────────────────────────────────────────────────────────────────────
 router.get('/', (req, res) => {
   try {
     const db = getDatabase();
     const includeExternal = req.query.include_external === '1' || req.query.include_external === 'true';
     const externalOnly    = req.query.external_only    === '1' || req.query.external_only    === 'true';
+    const search = (req.query.search || '').trim();
+    const sex    = req.query.sex === 'male' || req.query.sex === 'female' ? req.query.sex : '';
+    const page   = Math.max(1, parseInt(req.query.page, 10) || 1);
+    const limit  = Math.min(200, Math.max(1, parseInt(req.query.limit, 10) || 50));
+    const offset = (page - 1) * limit;
 
-    let whereClause;
+    let baseWhere;
     if (externalOnly) {
-      whereClause = 'WHERE is_active = 1 AND is_external = 1';
+      baseWhere = 'is_active = 1 AND is_external = 1';
     } else if (includeExternal) {
-      whereClause = 'WHERE is_active = 1';
+      baseWhere = 'is_active = 1';
     } else {
-      whereClause = 'WHERE is_active = 1 AND is_external = 0';
+      baseWhere = 'is_active = 1 AND is_external = 0';
     }
 
+    const filters = [];
+    const params  = [];
+    if (search) {
+      filters.push('(name LIKE ? OR registration_number LIKE ?)');
+      params.push(`%${search}%`, `%${search}%`);
+    }
+    if (sex) {
+      filters.push('sex = ?');
+      params.push(sex);
+    }
+
+    const whereClause = 'WHERE ' + [baseWhere, ...filters].join(' AND ');
+
+    const total = db.prepare(`SELECT COUNT(*) as count FROM dogs ${whereClause}`).get(...params).count;
+
+    const statsWhere = externalOnly
+      ? 'WHERE is_active = 1 AND is_external = 1'
+      : includeExternal
+        ? 'WHERE is_active = 1'
+        : 'WHERE is_active = 1 AND is_external = 0';
+    const stats = db.prepare(`
+      SELECT
+        COUNT(*) as total,
+        SUM(CASE WHEN sex = 'male'   THEN 1 ELSE 0 END) as males,
+        SUM(CASE WHEN sex = 'female' THEN 1 ELSE 0 END) as females
+      FROM dogs ${statsWhere}
+    `).get();
+
     const dogs = db.prepare(`
       SELECT ${DOG_COLS}
       FROM dogs
       ${whereClause}
       ORDER BY name
-    `).all();
+      LIMIT ? OFFSET ?
+    `).all(...params, limit, offset);
 
-    res.json(attachParents(db, dogs));
+    res.json({ data: attachParents(db, dogs), total, page, limit, stats });
   } catch (error) {
     console.error('Error fetching dogs:', error);
     res.status(500).json({ error: error.message });

server/routes/health.js

@@ -10,6 +10,7 @@ const GRCA_CORE = {
   heart:  ['heart_ofa', 'heart_echo'],
   eye:    ['eye_caer'],
 };
+const VALID_TEST_TYPES = ['hip_ofa', 'hip_pennhip', 'elbow_ofa', 'heart_ofa', 'heart_echo', 'eye_caer', 'thyroid_ofa', 'dna_panel'];
 
 // Helper: compute clearance summary for a dog
 function getClearanceSummary(db, dogId) {
@@ -103,17 +104,6 @@ router.get('/dog/:dogId/chic-eligible', (req, res) => {
   }
 });
 
-// GET single health record
-router.get('/:id', (req, res) => {
-  try {
-    const db = getDatabase();
-    const record = db.prepare('SELECT * FROM health_records WHERE id = ?').get(req.params.id);
-    if (!record) return res.status(404).json({ error: 'Health record not found' });
-    res.json(record);
-  } catch (error) {
-    res.status(500).json({ error: error.message });
-  }
-});
 
 // POST create health record
 router.post('/', (req, res) => {
@@ -128,6 +118,10 @@ router.post('/', (req, res) => {
       return res.status(400).json({ error: 'dog_id, record_type, and test_date are required' });
     }
 
+    if (test_type && !VALID_TEST_TYPES.includes(test_type)) {
+      return res.status(400).json({ error: 'Invalid test_type' });
+    }
+
     const db = getDatabase();
     const dbResult = db.prepare(`
       INSERT INTO health_records
@@ -157,6 +151,10 @@ router.put('/:id', (req, res) => {
       document_url, result, vet_name, next_due, notes
     } = req.body;
 
+    if (test_type && !VALID_TEST_TYPES.includes(test_type)) {
+      return res.status(400).json({ error: 'Invalid test_type' });
+    }
+
     const db = getDatabase();
     db.prepare(`
       UPDATE health_records
@@ -190,4 +188,70 @@ router.delete('/:id', (req, res) => {
   }
 });
 
+// GET cancer history for a dog
+router.get('/dog/:dogId/cancer-history', (req, res) => {
+  try {
+    const db = getDatabase();
+    const records = db.prepare(`
+      SELECT * FROM cancer_history
+      WHERE dog_id = ?
+      ORDER BY age_at_diagnosis ASC, created_at DESC
+    `).all(req.params.dogId);
+    res.json(records);
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// POST create cancer history record
+router.post('/cancer-history', (req, res) => {
+  try {
+    const {
+      dog_id, cancer_type, age_at_diagnosis, age_at_death, cause_of_death, notes
+    } = req.body;
+
+    if (!dog_id || !cancer_type) {
+      return res.status(400).json({ error: 'dog_id and cancer_type are required' });
+    }
+
+    const db = getDatabase();
+    
+    // Update dog's age_at_death and cause_of_death if provided
+    if (age_at_death || cause_of_death) {
+      db.prepare(`
+        UPDATE dogs SET 
+          age_at_death = COALESCE(?, age_at_death),
+          cause_of_death = COALESCE(?, cause_of_death)
+        WHERE id = ?
+      `).run(age_at_death || null, cause_of_death || null, dog_id);
+    }
+
+    const dbResult = db.prepare(`
+      INSERT INTO cancer_history
+        (dog_id, cancer_type, age_at_diagnosis, age_at_death, cause_of_death, notes)
+      VALUES (?, ?, ?, ?, ?, ?)
+    `).run(
+      dog_id, cancer_type, age_at_diagnosis || null, 
+      age_at_death || null, cause_of_death || null, notes || null
+    );
+
+    const record = db.prepare('SELECT * FROM cancer_history WHERE id = ?').get(dbResult.lastInsertRowid);
+    res.status(201).json(record);
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// GET single health record (wildcard should go last to prevent overlap)
+router.get('/:id', (req, res) => {
+  try {
+    const db = getDatabase();
+    const record = db.prepare('SELECT * FROM health_records WHERE id = ?').get(req.params.id);
+    if (!record) return res.status(404).json({ error: 'Health record not found' });
+    res.json(record);
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
 module.exports = router;

server/routes/litters.js

@@ -2,31 +2,50 @@ const express = require('express');
 const router = express.Router();
 const { getDatabase } = require('../db/init');
 
-// GET all litters
+// GET all litters (paginated)
+// ?page=1&limit=50
+// Response: { data, total, page, limit }
 router.get('/', (req, res) => {
   try {
     const db = getDatabase();
+    const page  = Math.max(1, parseInt(req.query.page, 10) || 1);
+    const limit = Math.min(200, Math.max(1, parseInt(req.query.limit, 10) || 50));
+    const offset = (page - 1) * limit;
+
+    const total = db.prepare('SELECT COUNT(*) as count FROM litters').get().count;
+
     const litters = db.prepare(`
-      SELECT l.*, 
+      SELECT l.*,
         s.name as sire_name, s.registration_number as sire_reg,
         d.name as dam_name, d.registration_number as dam_reg
       FROM litters l
       JOIN dogs s ON l.sire_id = s.id
       JOIN dogs d ON l.dam_id = d.id
       ORDER BY l.breeding_date DESC
-    `).all();
-    
-    litters.forEach(litter => {
-      litter.puppies = db.prepare(`
-        SELECT * FROM dogs WHERE litter_id = ? AND is_active = 1
-      `).all(litter.id);
-      litter.puppies.forEach(puppy => {
-        puppy.photo_urls = puppy.photo_urls ? JSON.parse(puppy.photo_urls) : [];
+      LIMIT ? OFFSET ?
+    `).all(limit, offset);
+
+    if (litters.length > 0) {
+      const litterIds = litters.map(l => l.id);
+      const placeholders = litterIds.map(() => '?').join(',');
+      const allPuppies = db.prepare(`
+        SELECT * FROM dogs WHERE litter_id IN (${placeholders}) AND is_active = 1
+      `).all(...litterIds);
+
+      const puppiesByLitter = {};
+      allPuppies.forEach(p => {
+        p.photo_urls = p.photo_urls ? JSON.parse(p.photo_urls) : [];
+        if (!puppiesByLitter[p.litter_id]) puppiesByLitter[p.litter_id] = [];
+        puppiesByLitter[p.litter_id].push(p);
       });
-      litter.actual_puppy_count = litter.puppies.length;
-    });
-    
-    res.json(litters);
+
+      litters.forEach(l => {
+        l.puppies = puppiesByLitter[l.id] || [];
+        l.actual_puppy_count = l.puppies.length;
+      });
+    }
+
+    res.json({ data: litters, total, page, limit });
   } catch (error) {
     res.status(500).json({ error: error.message });
   }

server/routes/pedigree.js

@@ -2,6 +2,25 @@ const express = require('express');
 const router = express.Router();
 const { getDatabase } = require('../db/init');
 
+const MAX_CACHE_SIZE = 1000;
+const ancestorCache = new Map();
+const coiCache = new Map();
+
+function getFromCache(cache, key, computeFn) {
+  if (cache.has(key)) {
+    const val = cache.get(key);
+    cache.delete(key);
+    cache.set(key, val);
+    return val;
+  }
+  const val = computeFn();
+  if (cache.size >= MAX_CACHE_SIZE) {
+    cache.delete(cache.keys().next().value);
+  }
+  cache.set(key, val);
+  return val;
+}
+
 /**
  * getAncestorMap(db, dogId, maxGen)
  * Returns Map<id, [{ id, name, generation }, ...]>
@@ -9,24 +28,27 @@ const { getDatabase } = require('../db/init');
  * pairings are correctly detected by calculateCOI.
  */
 function getAncestorMap(db, dogId, maxGen = 6) {
-  const map = new Map();
+  const cacheKey = `${dogId}-${maxGen}`;
+  return getFromCache(ancestorCache, cacheKey, () => {
+    const map = new Map();
 
-  function recurse(id, gen) {
-    if (gen > maxGen) return;
-    const dog = db.prepare('SELECT id, name FROM dogs WHERE id = ?').get(id);
-    if (!dog) return;
-    if (!map.has(id)) map.set(id, []);
-    map.get(id).push({ id: dog.id, name: dog.name, generation: gen });
-    if (map.get(id).length === 1) {
-      const parents = db.prepare(`
-        SELECT p.parent_id FROM parents p WHERE p.dog_id = ?
-      `).all(id);
-      parents.forEach(p => recurse(p.parent_id, gen + 1));
+    function recurse(id, gen) {
+      if (gen > maxGen) return;
+      const dog = db.prepare('SELECT id, name FROM dogs WHERE id = ?').get(id);
+      if (!dog) return;
+      if (!map.has(id)) map.set(id, []);
+      map.get(id).push({ id: dog.id, name: dog.name, generation: gen });
+      if (map.get(id).length === 1) {
+        const parents = db.prepare(`
+          SELECT p.parent_id FROM parents p WHERE p.dog_id = ?
+        `).all(id);
+        parents.forEach(p => recurse(p.parent_id, gen + 1));
+      }
     }
-  }
 
-  recurse(parseInt(dogId), 0);
-  return map;
+    recurse(parseInt(dogId), 0);
+    return map;
+  });
 }
 
 /**
@@ -68,54 +90,57 @@ function isDirectRelation(db, sireId, damId) {
  * self-loops.
  */
 function calculateCOI(db, sireId, damId) {
-  const sid = parseInt(sireId);
-  const did = parseInt(damId);
-  const sireMap = getAncestorMap(db, sid);
-  const damMap  = getAncestorMap(db, did);
+  const cacheKey = `${sireId}-${damId}`;
+  return getFromCache(coiCache, cacheKey, () => {
+    const sid = parseInt(sireId);
+    const did = parseInt(damId);
+    const sireMap = getAncestorMap(db, sid);
+    const damMap  = getAncestorMap(db, did);
 
-  // Common ancestors: in BOTH maps, but:
-  //   - not the dam itself appearing in sireMap (would be a loop)
-  //   - not the sire itself appearing in damMap already handled below
-  // We collect all IDs present in both, excluding only the direct
-  // subjects (did from sireMap side, sid excluded already since we
-  // iterate sireMap keys — but sid IS in sireMap at gen 0, and if
-  // damMap also has sid, that is the parent×offspring case we WANT).
-  const commonIds = [...sireMap.keys()].filter(
-    id => damMap.has(id) && id !== did
-  );
+    // Common ancestors: in BOTH maps, but:
+    //   - not the dam itself appearing in sireMap (would be a loop)
+    //   - not the sire itself appearing in damMap already handled below
+    // We collect all IDs present in both, excluding only the direct
+    // subjects (did from sireMap side, sid excluded already since we
+    // iterate sireMap keys — but sid IS in sireMap at gen 0, and if
+    // damMap also has sid, that is the parent×offspring case we WANT).
+    const commonIds = [...sireMap.keys()].filter(
+      id => damMap.has(id) && id !== did
+    );
 
-  let coi = 0;
-  const processedPaths = new Set();
-  const commonAncestorList = [];
+    let coi = 0;
+    const processedPaths = new Set();
+    const commonAncestorList = [];
 
-  commonIds.forEach(ancId => {
-    const sireOccs = sireMap.get(ancId);
-    const damOccs  = damMap.get(ancId);
+    commonIds.forEach(ancId => {
+      const sireOccs = sireMap.get(ancId);
+      const damOccs  = damMap.get(ancId);
 
-    sireOccs.forEach(so => {
-      damOccs.forEach(do_ => {
-        const key = `${ancId}-${so.generation}-${do_.generation}`;
-        if (!processedPaths.has(key)) {
-          processedPaths.add(key);
-          coi += Math.pow(0.5, so.generation + do_.generation + 1);
-        }
+      sireOccs.forEach(so => {
+        damOccs.forEach(do_ => {
+          const key = `${ancId}-${so.generation}-${do_.generation}`;
+          if (!processedPaths.has(key)) {
+            processedPaths.add(key);
+            coi += Math.pow(0.5, so.generation + do_.generation + 1);
+          }
+        });
+      });
+
+      const closestSire = sireOccs.reduce((a, b) => a.generation < b.generation ? a : b);
+      const closestDam  = damOccs.reduce((a, b)  => a.generation < b.generation ? a : b);
+      commonAncestorList.push({
+        id:      ancId,
+        name:    sireOccs[0].name,
+        sireGen: closestSire.generation,
+        damGen:  closestDam.generation
       });
     });
 
-    const closestSire = sireOccs.reduce((a, b) => a.generation < b.generation ? a : b);
-    const closestDam  = damOccs.reduce((a, b)  => a.generation < b.generation ? a : b);
-    commonAncestorList.push({
-      id:      ancId,
-      name:    sireOccs[0].name,
-      sireGen: closestSire.generation,
-      damGen:  closestDam.generation
-    });
+    return {
+      coefficient:     coi,
+      commonAncestors: commonAncestorList
+    };
   });
-
-  return {
-    coefficient:     coi,
-    commonAncestors: commonAncestorList
-  };
 }
 
 // =====================================================================
@@ -124,8 +149,7 @@ function calculateCOI(db, sireId, damId) {
 // 'trial-pairing' as dog IDs and return 404/wrong data.
 // =====================================================================
 
-// POST /api/pedigree/trial-pairing (alias for /coi)
-router.post(['/trial-pairing', '/coi'], (req, res) => {
+const handleTrialPairing = (req, res) => {
   try {
     const { sire_id, dam_id } = req.body;
     if (!sire_id || !dam_id) {
@@ -156,7 +180,13 @@ router.post(['/trial-pairing', '/coi'], (req, res) => {
   } catch (error) {
     res.status(500).json({ error: error.message });
   }
-});
+};
+
+// POST /api/pedigree/trial-pairing
+router.post('/trial-pairing', handleTrialPairing);
+
+// POST /api/pedigree/coi
+router.post('/coi', handleTrialPairing);
 
 // GET /api/pedigree/:id/coi
 router.get('/:id/coi', (req, res) => {
@@ -190,6 +220,63 @@ router.get('/relations/:sireId/:damId', (req, res) => {
   }
 });
 
+// GET /api/pedigree/:id/cancer-lineage
+router.get('/:id/cancer-lineage', (req, res) => {
+  try {
+    const db = getDatabase();
+    // Get ancestor map up to 5 generations
+    const ancestorMap = getAncestorMap(db, req.params.id, 5);
+    
+    // Collect all unique ancestor IDs
+    const ancestorIds = Array.from(ancestorMap.keys());
+    
+    if (ancestorIds.length === 0) {
+      return res.json({ lineage_cases: [], stats: { total_ancestors: 0, ancestors_with_cancer: 0 } });
+    }
+    
+    // Query cancer history for all ancestors
+    const placeholders = ancestorIds.map(() => '?').join(',');
+    const cancerRecords = db.prepare(`
+      SELECT c.*, d.name, d.sex 
+      FROM cancer_history c
+      JOIN dogs d ON c.dog_id = d.id
+      WHERE c.dog_id IN (${placeholders})
+    `).all(...ancestorIds);
+    
+    // Structure the response
+    const cases = cancerRecords.map(record => {
+      // Find the closest generation this ancestor appears in
+      const occurrences = ancestorMap.get(record.dog_id);
+      const closestGen = occurrences.reduce((min, occ) => occ.generation < min ? occ.generation : min, 999);
+      
+      return {
+        ...record,
+        generation_distance: closestGen
+      };
+    });
+    
+    // Sort by generation distance (closer relatives first)
+    cases.sort((a, b) => a.generation_distance - b.generation_distance);
+    
+    // Count unique dogs with cancer (excluding generation 0 if we only want stats on ancestors)
+    const ancestorCases = cases.filter(c => c.generation_distance > 0);
+    const uniqueAncestorsWithCancer = new Set(ancestorCases.map(c => c.dog_id)).size;
+    
+    // Number of ancestors is total unique IDs minus 1 for the dog itself
+    const numAncestors = ancestorIds.length > 0 && ancestorMap.get(parseInt(req.params.id)) ? ancestorIds.length - 1 : ancestorIds.length;
+    
+    res.json({
+      lineage_cases: cases,
+      stats: {
+        total_ancestors: numAncestors,
+        ancestors_with_cancer: uniqueAncestorsWithCancer
+      }
+    });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
 // =====================================================================
 // Wildcard routes last
 // =====================================================================

server/test_app.js

@@ -0,0 +1,26 @@
+const app = require('./index');
+const http = require('http');
+
+// Start temporary server
+const server = http.createServer(app);
+server.listen(3030, async () => {
+  console.log('Server started on 3030');
+  try {
+    const res = await fetch('http://localhost:3030/api/pedigree/relations/1/2');
+    const text = await res.text();
+    console.log('GET /api/pedigree/relations/1/2 RESPONSE:', res.status, text.substring(0, 150));
+
+    const postRes = await fetch('http://localhost:3030/api/pedigree/trial-pairing', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ sire_id: 1, dam_id: 2 })
+    });
+    const postText = await postRes.text();
+    console.log('POST /api/pedigree/trial-pairing RESPONSE:', postRes.status, postText.substring(0, 150));
+  } catch (err) {
+    console.error('Fetch error:', err);
+  } finally {
+    server.close();
+    process.exit(0);
+  }
+});

server/test_express.js

@@ -0,0 +1,8 @@
+const express = require('express');
+const router = express.Router();
+
+router.post(['/a', '/b'], (req, res) => {
+  res.send('ok');
+});
+
+console.log('Started successfully');