feat: add support for incremental analysis#1049
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Introduce incremental changed-file analysis: add services/incremental_analysis.py with logic to build per-file plans (detect changed line ranges, expand context, choose full/partial analysis) using SequenceMatcher and thresholds. Expose a new POST /analyze/incremental/ route in analyze.py that uses build_incremental_plan and returns IncrementalAnalyzeResponse, and wire imports. Add new Pydantic models to schemas.py (IncrementalFileChange, IncrementalAnalyzeRequest/Response, related response fragments) and reorganize existing explanation/suggestions models. Expand backend tests to cover added/modified/deleted/renamed incremental scenarios and inline sample fixtures; apply small formatting and linting cleanups in analyze.py and tests
imDarshanGK
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Jun 19, 2026
imDarshanGK
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imDarshanGK
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This PR includes many unrelated changes outside Issue #670 scope (health, metrics, share, upload, database, email, observability, etc.).
Please keep only incremental analysis related changes and relevant tests. Remove refactoring/cleanup in unrelated modules.
Thanks!
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Description
Adds backend support for incremental analysis so the app can analyze only changed files or changed code hunks instead of re-analyzing the full project every time.
Implemented:
POST /analyze/incremental/endpointdifflib.SequenceMatcherprevious_pathRelated Issue
Fixes #670
Type of change
Checklist
mainpytest -vand all tests passfeat/fix/docs/test: short descriptionScreenshots (if frontend change)
Not applicable. This PR adds a backend API endpoint and tests only.
Test evidence
Ruff check evidence:
Pytest evidence:
