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.

scripts/test-supabase.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+command -v deno >/dev/null 2>&1 || {
+  echo "Deno is required for Supabase function tests: https://docs.deno.com/runtime/getting_started/installation/" >&2
+  exit 1
+}
+
+if ! (cd "$ROOT" && npx supabase status --workdir apps >/dev/null 2>&1); then
+  echo "Local Supabase is not running. Start it with scripts/dev-local.sh up." >&2
+  exit 1
+fi
+
+cd "$ROOT/apps/supabase/tests"
+"$ROOT/scripts/with-local-supabase-env.sh" tests deno task test