fix: code rabbit

[mahimairaja]

Summary by CodeRabbit

Release Notes

• Bug Fixes

  • Improved error handling for LiveKit session initialization with clearer error messages upon failure.

• Improvements

  • Strengthened input sanitization for enhanced security.
  • Refined deployment configuration with stricter host validation.

• Chores

  • Updated load testing infrastructure to support authorization headers.

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Project	Deployment	Actions	Updated (UTC)
waterloo-ai-agents-hackathon2026	Building	Preview, Comment	Feb 15, 2026 8:03am

[coderabbitai]

Caution

Review failed

The pull request is closed.

📝 Walkthrough

Walkthrough

This pull request strengthens error handling for LiveKit token generation, simplifies input validation by standardizing on bleach sanitization, refactors the health endpoint to use container-provided database sessions instead of direct instantiation, adds bearer token authorization to load tests, and tightens the allowed hosts configuration by removing localhost and test server entries.

Changes

Cohort / File(s)	Summary
Error Handling & Database Access backend/src/api/v1/endpoints/sessions.py, backend/src/main.py	Added try/except wrapping around LiveKit token generation with 502 Bad Gateway error response on failure. Refactored health endpoint to use container's db.session() instead of direct Database(config) instantiation.
Input Validation Simplification backend/src/core/validators.py	Removed conditional bleach availability check and regex fallback; sanitize_input now unconditionally uses bleach.clean() with tags stripped.
Load Testing & Configuration locustfile.py, render.yaml	Added on_start() lifecycle hook to initialize bearer token headers from environment variables for authenticated POST requests. Narrowed ALLOWED_HOSTS to remove localhost and test server entries.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Poem

🐰 Token guards now catch the falls,
bleach makes input clean and small,
containers serve the DB's call,
auth headers hop through load test halls,
hosts stand firm—no test backdoor at all! 🔐

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch fix/load-test

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