chore(harness): make repository agent-ready

Add concise routed context, task-aware agent roles, focused skills, and structured learning promotion.\n\nUnify local development and workspace tooling, add layered test and E2E verification, harden MCP authentication, and gate deployment behind verification and explicit production promotion.

apps/supabase/package.json

@@ -1,5 +1,11 @@
 {
   "name": "@sauci/supabase",
-  "version": "1.0.0",
-  "private": true
+  "version": "1.0.0",
+  "private": true,
+  "scripts": {
+    "lint": "node ../../scripts/lint-harness.mjs --scope supabase",
+    "test": "node -e \"console.log('Supabase integration tests run through npm run test:supabase')\"",
+    "typecheck": "node -e \"console.log('Edge Functions are checked by Deno during test:supabase')\"",
+    "build": "node -e \"console.log('Supabase deployables do not require a build step')\""
+  }
 }