Fix math logic for timeline

.claude/worktrees/musing-bell/db/schema.sql

@@ -0,0 +1,49 @@
+CREATE TABLE IF NOT EXISTS employees (
+    id          INTEGER PRIMARY KEY AUTOINCREMENT,
+    name        TEXT    NOT NULL,
+    department  TEXT,
+    supervisor  TEXT,
+    created_at  DATETIME DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS violations (
+    id                   INTEGER PRIMARY KEY AUTOINCREMENT,
+    employee_id          INTEGER NOT NULL REFERENCES employees(id),
+    violation_type       TEXT    NOT NULL,
+    violation_name       TEXT    NOT NULL,
+    category             TEXT    NOT NULL DEFAULT 'General',
+    points               INTEGER NOT NULL,
+    incident_date        TEXT    NOT NULL,
+    incident_time        TEXT,
+    location             TEXT,
+    details              TEXT,
+    submitted_by         TEXT,
+    witness_name         TEXT,
+    negated              INTEGER NOT NULL DEFAULT 0,
+    negated_at           DATETIME,
+    prior_active_points  INTEGER, -- snapshot at time of logging
+    prior_tier_label     TEXT,    -- optional human-readable tier
+    acknowledged_by      TEXT,    -- employee name who acknowledged receipt
+    acknowledged_date    TEXT,    -- date of acknowledgment (YYYY-MM-DD)
+    created_at           DATETIME DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS violation_resolutions (
+    id              INTEGER PRIMARY KEY AUTOINCREMENT,
+    violation_id    INTEGER NOT NULL REFERENCES violations(id) ON DELETE CASCADE,
+    resolution_type TEXT    NOT NULL,
+    details         TEXT,
+    resolved_by     TEXT,
+    created_at      DATETIME DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Active score: only non-negated violations in rolling 90 days
+CREATE VIEW IF NOT EXISTS active_cpas_scores AS
+SELECT
+    employee_id,
+    SUM(points)  AS active_points,
+    COUNT(*)     AS violation_count
+FROM violations
+WHERE negated = 0
+  AND incident_date >= DATE('now', '-90 days')
+GROUP BY employee_id;