feat: CAPA board — kanban/table view, create CAPA from incident, status tracking

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FFDuBhMKvoWjrWT3ZnGmmr

app/api/capa/[id]/route.ts

@@ -0,0 +1,65 @@
+export const dynamic = 'force-dynamic'
+
+import { NextRequest, NextResponse } from 'next/server'
+import { createClient } from '@/lib/supabase/server'
+
+export async function GET(
+  _: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  const { id } = await params
+  const supabase = await createClient()
+  const { data: { user }, error: authError } = await supabase.auth.getUser()
+  if (authError || !user) return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
+
+  const { data, error } = await supabase
+    .from('capa_actions')
+    .select(`
+      id, incident_id, root_cause_ref, description, owner_user_id, department,
+      due_date, priority, status, completed_at, verified_by, verified_at, created_at,
+      incidents (reference_no, incident_type),
+      owner:users!owner_user_id (name, email)
+    `)
+    .eq('id', id)
+    .single()
+
+  if (error || !data) return NextResponse.json({ error: 'Not found' }, { status: 404 })
+  return NextResponse.json(data)
+}
+
+export async function PATCH(
+  request: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  const { id } = await params
+  const supabase = await createClient()
+  const { data: { user }, error: authError } = await supabase.auth.getUser()
+  if (authError || !user) return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
+
+  const body = await request.json()
+  const allowed = ['description', 'due_date', 'priority', 'status', 'department', 'root_cause_ref']
+  const update: Record<string, unknown> = {}
+  for (const key of allowed) {
+    if (key in body) update[key] = body[key]
+  }
+
+  if (body.status === 'pending_verification') {
+    update.completed_at = new Date().toISOString()
+  }
+
+  const { error } = await supabase
+    .from('capa_actions')
+    .update(update)
+    .eq('id', id)
+
+  if (error) return NextResponse.json({ error: 'Update failed' }, { status: 500 })
+
+  await supabase.rpc('write_audit_log', {
+    p_table_name: 'capa_actions',
+    p_record_id: id,
+    p_action: 'updated',
+    p_new_value: update as Record<string, unknown>,
+  })
+
+  return NextResponse.json({ ok: true })
+}