Add user authentication and dynamic feature/category inputs

Implement Keycloak authentication, protected routes, and add combobox and autocomplete components for tool categories and features.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 776963d0-f75d-42e2-a57b-cc36bdff8495
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 0b145113-c016-4f54-b000-13bd3b0ba8f0
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/0683fb79-a27c-485c-9333-5f4b288c4567/776963d0-f75d-42e2-a57b-cc36bdff8495/z4uWN6A
Replit-Helium-Checkpoint-Created: true

artifacts/api-server/package.json

@@ -12,17 +12,22 @@
   "dependencies": {
     "@workspace/api-zod": "workspace:*",
     "@workspace/db": "workspace:*",
+    "connect-pg-simple": "^10.0.0",
     "cookie-parser": "^1.4.7",
     "cors": "^2.8.6",
     "drizzle-orm": "catalog:",
     "express": "^5.2.1",
+    "express-session": "^1.19.0",
+    "openid-client": "^5.7.1",
     "pino": "^9.14.0",
     "pino-http": "^10.5.0"
   },
   "devDependencies": {
+    "@types/connect-pg-simple": "^7.0.3",
     "@types/cookie-parser": "^1.4.10",
     "@types/cors": "^2.8.19",
     "@types/express": "^5.0.6",
+    "@types/express-session": "^1.19.0",
     "@types/node": "catalog:",
     "esbuild": "0.27.3",
     "esbuild-plugin-pino": "^2.3.3",