⚡ Bolt: Optimize CivicRAG retrieval path

[RohanExploit]

💡 What: Optimized the CivicRAG service in backend/rag_service.py by removing redundant computations and utilizing faster set arithmetic.

🎯 Why: The RAG system was performing redundant tokenization during policy preparation and duplicate isdisjoint checks during retrieval. It also used the slower .intersection() method instead of bitwise &.

📊 Impact: Measured ~7% improvement in retrieval performance and reduced initialization overhead.

🔬 Measurement: Verified with backend/tests/benchmark_rag.py and ensured correctness with backend/tests/test_rag_service.py.

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PR created automatically by Jules for task 4261239538937085507 started by @RohanExploit

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Summary by cubic

Optimized the CivicRAG retrieval path in backend/rag_service.py by removing redundant tokenization and duplicate isdisjoint checks, and by using bitwise set intersection. Delivers ~7% faster retrieval and lower init overhead, verified with backend/tests/benchmark_rag.py and backend/tests/test_rag_service.py.

^{Written for commit f88e225. Summary will update on new commits.}

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

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Run ID: b4690b04-e2ef-434f-8ba4-0761867e6b98

📥 Commits

Reviewing files that changed from the base of the PR and between ebecc88 and f88e225.

📒 Files selected for processing (2)

• .jules/bolt.md
• backend/rag_service.py

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch bolt/optimize-rag-retrieval-4261239538937085507

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[github-actions]

🙏 Thank you for your contribution, @RohanExploit!

PR Details:

• Title: ⚡ Bolt: Optimize CivicRAG retrieval path
• Number: ⚡ Bolt: Optimize CivicRAG retrieval path #826

Quality Checklist:
Please ensure your PR meets the following criteria:

• Code follows the project's style guidelines
• Self-review of code completed
• Code is commented where necessary
• Documentation updated (if applicable)
• No new warnings generated
• Tests added/updated (if applicable)
• All tests passing locally
• No breaking changes to existing functionality

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2. A maintainer will review your changes
3. Address any requested changes promptly
4. Once approved, your PR will be merged! 🎉

Note: The maintainers will monitor code quality and ensure the overall project flow isn't broken.

[cubic-dev-ai]

No issues found across 2 files

_{Re-trigger cubic}

[Copilot]

Pull request overview

Minor performance cleanup of CivicRAG retrieval: removes duplicated tokenization and disjoint check, drops an unused variable, and swaps .intersection() for &. Also documents the bitwise-set pattern in .jules/bolt.md.

Changes:

• Remove redundant content_tokens recomputation and duplicate isdisjoint check.
• Replace query_tokens.intersection(policy_tokens) with query_tokens & policy_tokens.
• Add a new learning note in .jules/bolt.md.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
backend/rag_service.py	Eliminates duplicate work in _prepare_policies/retrieve and uses bitwise set intersection.
.jules/bolt.md	Records the bitwise set-intersection optimization guidance.

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