Scaffold dd0c/portal: AWS+GitHub discovery, catalog service, ownership resolution

- AWS scanner: ECS/Lambda/RDS discovery with partial failure handling
- GitHub scanner: CODEOWNERS parsing, commit-based heuristic ownership, rate limit resilience
- Catalog service: ownership resolution (config > codeowners > aws-tag > heuristic), staged updates for partial scans
- Ownership tests: 6 cases covering full priority chain
- PostgreSQL schema with RLS: services, staged_updates, scan_history, free tier (50 services)
- Fly.io config, Dockerfile

products/04-lightweight-idp/package.json

@@ -0,0 +1,40 @@
+{
+  "name": "dd0c-portal",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "tsx watch src/index.ts",
+    "build": "tsc",
+    "start": "node dist/index.js",
+    "test": "vitest run",
+    "lint": "eslint src/ tests/"
+  },
+  "dependencies": {
+    "fastify": "^4.28.0",
+    "@fastify/cors": "^9.0.0",
+    "@fastify/helmet": "^11.1.0",
+    "pg": "^8.12.0",
+    "ioredis": "^5.4.0",
+    "meilisearch": "^0.41.0",
+    "zod": "^3.23.0",
+    "jsonwebtoken": "^9.0.2",
+    "pino": "^9.1.0",
+    "uuid": "^9.0.1",
+    "@aws-sdk/client-organizations": "^3.600.0",
+    "@aws-sdk/client-ecs": "^3.600.0",
+    "@aws-sdk/client-lambda": "^3.600.0",
+    "@aws-sdk/client-rds": "^3.600.0",
+    "@octokit/rest": "^20.1.0"
+  },
+  "devDependencies": {
+    "typescript": "^5.5.0",
+    "tsx": "^4.15.0",
+    "vitest": "^1.6.0",
+    "@types/node": "^20.14.0",
+    "@types/pg": "^8.11.0",
+    "@types/jsonwebtoken": "^9.0.6",
+    "@types/uuid": "^9.0.8",
+    "eslint": "^9.5.0"
+  }
+}