Fix E2E Playwright CI failures: gateway HTTP routing and missing service initialization

[Copilot]

28 E2E tests fail in CI because login never succeeds — the gateway's port 80 redirects all non-health requests to HTTPS (breaking browser API calls), and no admin user is ever created because required env vars aren't set.

Root causes

• Gateway port 80 → HTTPS redirect: NEXT_PUBLIC_GATEWAY_URL=http://localhost:80 sends browser calls to the port 80 server block, which only serves /health and redirects everything else to https://api.wildbox.local/... — unresolvable in CI. Port 8080 (the actual HTTP API server) was not exposed to the host.
• No admin user: INITIAL_ADMIN_EMAIL/INITIAL_ADMIN_PASSWORD not set → identity service skips creation. Tests hardcode superadmin@wildbox.com / wildbox123.
• Services misconfigured: DATABASE_URL, JWT_SECRET_KEY, POSTGRES_PASSWORD, and secondary DB URLs all unset in CI → identity can't connect or sign tokens; data/guardian/responder services start before their databases exist.

Changes

docker-compose.yml

• Expose gateway port 8080 (the HTTP API server block with actual routes)
• Set NEXT_PUBLIC_GATEWAY_URL=http://localhost:8080 and INTERNAL_GATEWAY_URL=http://open-security-gateway:8080 so both browser and SSR requests use the working HTTP gateway

.github/workflows/test.yml (E2E job only)

• Add "Create CI environment file" step that writes .env before docker compose up:

  POSTGRES_PASSWORD=postgres
  DATABASE_URL=postgresql+asyncpg://postgres:postgres@postgres:5432/identity
  DATA_DATABASE_URL=postgresql://postgres:postgres@postgres:5432/data
  JWT_SECRET_KEY=ci-test-jwt-secret-key-not-for-production
  INITIAL_ADMIN_EMAIL=superadmin@wildbox.com
  INITIAL_ADMIN_PASSWORD=wildbox123
  CREATE_INITIAL_ADMIN=true
  ...
  

• Restructure "Start services" to start postgres/redis first, create secondary databases (data, guardian, responder) via psql before launching remaining services — eliminating the race condition where services attempt DB connections before their databases exist

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[github-actions]

Integration Test Results

1 tests  ±0   0 ✅ ±0   0s ⏱️ ±0s
1 suites ±0   0 💤 ±0 
1 files   ±0   0 ❌ ±0   1 🔥 ±0 

For more details on these errors, see this check.

Results for commit 3346d4b. ± Comparison against base commit 49b04a5.