Feature/prometheus gunicorn next

[YashShah-Josh]

No description provided.

[github-actions]

🤖 AI Code Review (GLM via Ollama)

{
  "summary": "This PR introduces observability instrumentation using 'prom-client' to the application. It creates a new metrics endpoint at '/api/metrics' and decorates existing API routes with 'withHttpMetrics' and database calls with 'trackDb' to monitor HTTP traffic and database queries. Additionally, the PR improves security in the CI/CD workflow by migrating hardcoded API keys and model names to GitHub Secrets.",
  "critical_issues": [
    "The new 'app/src/app/api/metrics/route.ts' endpoint is exposed publicly without authentication or IP restrictions. This allows unauthorized users to view sensitive internal metrics such as request rates, error counts, and system latency.",
    "In 'app/src/app/api/auth/google/route.ts', the 'OPTIONS' handler for CORS preflight requests was not wrapped with 'withHttpMetrics', unlike the 'GET' handler. This results in incomplete telemetry data for these endpoints."
  ],
  "security_issues": [],
  "performance_issues": [
    "The introduction of the 'trackDb' wrapper for every database query adds a function call layer to the execution stack. While 'prom-client' is generally efficient, ensure the wrapper implementation does not include blocking operations or excessive synchronous logic that could impact request latency."
  ],
  "readability_suggestions": [
    "The internal 'handler' functions (e.g., in 'route.ts' files) should have explicit return type annotations (e.g., 'Promise<NextResponse>') to ensure that TypeScript correctly validates the return value after being wrapped by the Higher-Order Function 'withHttpMetrics'.",
    "The provided diff for 'app/src/app/api/signin/route.ts' cuts off abruptly. Ensure that the password verification logic and any database updates (e.g., last login timestamp) are properly handled and instrumented in the actual implementation."
  ],
  "test_coverage_assessment": "Missing",
  "test_recommendations": [
    "Add integration tests for the '/api/metrics' endpoint to verify it returns the correct 'text/plain; version=0.0.4' content type and contains the expected metric data.",
    "Write tests to ensure that the 'withHttpMetrics' wrapper does not alter the HTTP response body, status codes, or headers of the underlying route handlers.",
    "Verify that database error scenarios are correctly handled within the 'trackDb' wrapper to ensure metrics are recorded (e.g., error counters incremented) while exceptions are still properly propagated."
  ]
}

📊 AI Quality Score: 31/100