feat: rebuild LitterList with create/edit/delete and LitterForm integration

client/src/pages/LitterList.jsx

@@ -1,10 +1,16 @@
 import { useEffect, useState } from 'react'
-import { Activity } from 'lucide-react'
+import { Activity, Plus, Edit2, Trash2, ChevronRight } from 'lucide-react'
+import { useNavigate } from 'react-router-dom'
 import axios from 'axios'
+import LitterForm from '../components/LitterForm'
 
 function LitterList() {
   const [litters, setLitters] = useState([])
   const [loading, setLoading] = useState(true)
+  const [showForm, setShowForm] = useState(false)
+  const [editingLitter, setEditingLitter] = useState(null)
+  const [prefill, setPrefill] = useState(null)
+  const navigate = useNavigate()
 
   useEffect(() => {
     fetchLitters()
@@ -14,47 +20,126 @@ function LitterList() {
     try {
       const res = await axios.get('/api/litters')
       setLitters(res.data)
-      setLoading(false)
     } catch (error) {
       console.error('Error fetching litters:', error)
+    } finally {
       setLoading(false)
     }
   }
 
+  const handleCreate = () => {
+    setEditingLitter(null)
+    setPrefill(null)
+    setShowForm(true)
+  }
+
+  const handleEdit = (e, litter) => {
+    e.stopPropagation()
+    setEditingLitter(litter)
+    setPrefill(null)
+    setShowForm(true)
+  }
+
+  const handleDelete = async (e, id) => {
+    e.stopPropagation()
+    if (!window.confirm('Delete this litter record? Puppies will be unlinked but not deleted.')) return
+    try {
+      await axios.delete(`/api/litters/${id}`)
+      fetchLitters()
+    } catch (error) {
+      console.error('Error deleting litter:', error)
+    }
+  }
+
+  const handleSave = () => {
+    fetchLitters()
+  }
+
   if (loading) {
     return <div className="container loading">Loading litters...</div>
   }
 
   return (
     <div className="container">
-      <h1 style={{ marginBottom: '2rem' }}>Litters</h1>
+      <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: '2rem' }}>
+        <h1>Litters</h1>
+        <button className="btn btn-primary" onClick={handleCreate}>
+          <Plus size={18} style={{ marginRight: '0.5rem' }} />
+          New Litter
+        </button>
+      </div>
 
       {litters.length === 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>
-          <p style={{ color: 'var(--text-secondary)' }}>Start tracking breeding records</p>
+          <p style={{ color: 'var(--text-secondary)', marginBottom: '1.5rem' }}>Create a litter after a breeding cycle to track puppies</p>
+          <button className="btn btn-primary" onClick={handleCreate}>
+            <Plus size={18} style={{ marginRight: '0.5rem' }} />
+            Create First Litter
+          </button>
         </div>
       ) : (
         <div style={{ display: 'grid', gap: '1rem' }}>
           {litters.map(litter => (
-            <div key={litter.id} className="card">
-              <h3>{litter.sire_name} × {litter.dam_name}</h3>
-              <p style={{ color: 'var(--text-secondary)', marginTop: '0.5rem' }}>
-                Breeding Date: {new Date(litter.breeding_date).toLocaleDateString()}
-              </p>
-              {litter.whelping_date && (
-                <p style={{ color: 'var(--text-secondary)' }}>
-                  Whelping Date: {new Date(litter.whelping_date).toLocaleDateString()}
-                </p>
-              )}
-              <p style={{ marginTop: '0.5rem' }}>
-                <strong>Puppies:</strong> {litter.puppy_count || litter.puppies?.length || 0}
-              </p>
+            <div
+              key={litter.id}
+              className="card"
+              style={{ cursor: 'pointer', transition: 'border-color 0.2s' }}
+              onClick={() => navigate(`/litters/${litter.id}`)}
+            >
+              <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'flex-start' }}>
+                <div style={{ flex: 1 }}>
+                  <h3 style={{ marginBottom: '0.5rem' }}>
+                    🐾 {litter.sire_name} × {litter.dam_name}
+                  </h3>
+                  <div style={{ display: 'flex', gap: '1.5rem', flexWrap: 'wrap', color: 'var(--text-secondary)', fontSize: '0.9rem' }}>
+                    <span>📅 Bred: {new Date(litter.breeding_date).toLocaleDateString()}</span>
+                    {litter.whelping_date && (
+                      <span>🐕 Whelped: {new Date(litter.whelping_date).toLocaleDateString()}</span>
+                    )}
+                    <span style={{ color: 'var(--accent)', fontWeight: 600 }}>
+                      {litter.actual_puppy_count ?? litter.puppies?.length ?? litter.puppy_count ?? 0} puppies
+                    </span>
+                  </div>
+                  {litter.notes && (
+                    <p style={{ marginTop: '0.5rem', fontSize: '0.85rem', color: 'var(--text-secondary)', fontStyle: 'italic' }}>
+                      {litter.notes}
+                    </p>
+                  )}
+                </div>
+                <div style={{ display: 'flex', gap: '0.5rem', alignItems: 'center' }}>
+                  <button
+                    className="btn-icon"
+                    title="Edit litter"
+                    onClick={(e) => handleEdit(e, litter)}
+                  >
+                    <Edit2 size={16} />
+                  </button>
+                  <button
+                    className="btn-icon"
+                    title="Delete litter"
+                    onClick={(e) => handleDelete(e, litter.id)}
+                    style={{ color: '#e53e3e' }}
+                  >
+                    <Trash2 size={16} />
+                  </button>
+                  <ChevronRight size={20} style={{ color: 'var(--text-secondary)' }} />
+                </div>
+              </div>
             </div>
           ))}
         </div>
       )}
+
+      {showForm && (
+        <LitterForm
+          litter={editingLitter}
+          prefill={prefill}
+          onClose={() => setShowForm(false)}
+          onSave={handleSave}
+        />
+      )}
     </div>
   )
 }