feat: pgvector similar-incident retrieval + SimilarIncidentsPanel

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01FFDuBhMKvoWjrWT3ZnGmmr
2026-07-11 16:31:02 +08:00
parent f10fa071f9
commit 547cc6e817
4 changed files with 136 additions and 0 deletions
@@ -0,0 +1,46 @@
+export const dynamic = 'force-dynamic'
+
+import { NextRequest, NextResponse } from 'next/server'
+import { createClient } from '@/lib/supabase/server'
+import { embedText } from '@/lib/claude/embed'
+
+export async function GET(
+  _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 { data: profile } = await supabase.from('users').select('role').eq('id', user.id).single()
+  if (!profile || !['hse', 'admin'].includes(profile.role))
+    return NextResponse.json({ error: 'Forbidden' }, { status: 403 })
+
+  const { data: incident } = await supabase
+    .from('incidents')
+    .select('id, description, embedding')
+    .eq('id', id)
+    .single()
+  if (!incident) return NextResponse.json({ error: 'Not found' }, { status: 404 })
+
+  const inc = incident as { id: string; description: string; embedding: string | null }
+
+  let embeddingVec: number[]
+  if (inc.embedding) {
+    embeddingVec = JSON.parse(inc.embedding) as number[]
+  } else {
+    embeddingVec = await embedText(inc.description)
+    await supabase.from('incidents').update({
+      embedding: `[${embeddingVec.join(',')}]` as unknown as string,
+    }).eq('id', id)
+  }
+
+  const { data: similar } = await supabase.rpc('match_incidents', {
+    query_embedding: `[${embeddingVec.join(',')}]`,
+    exclude_id: id,
+    match_count: 5,
+  })
+
+  return NextResponse.json(similar ?? [])
+}