Add Real-World Project: Build a Hybrid Search Demo - #287
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Add Real-World Project: Build a Hybrid Search Demo#287abderrahim-lectures wants to merge 1 commit into
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Keyword (BM25-style), embedding-based, and hybrid retrieval side by side over an 11-passage corpus, with a 10-query evaluation (5 keyword, 5 paraphrase) and a 14-cell notebook. No LLM, no API key. Co-authored-by: deepseek-v4-flash-free <noreply@opencode.ai>
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Summary
Adds project #20 of the capstone backlog — a "Build a Hybrid Search Demo" project with no LLM and no API key. Teaches that keyword (BM25-style), embedding, and hybrid retrieval each win in different cases, with a concrete 10-query evaluation proving it (keyword 5/10, semantic 10/10, hybrid 10/10).
Changes
docs/projects/hybrid-search/index.md+_category_.json(position 23)examples/hybrid-search/— CLI (main.py), 11-passage corpus, 10 test queries, 14-cell notebook,pyproject.toml/uv.lock/.python-version/.gitignore/README.mdsrc/data/projects.ts,docs/projects/index.mdx,src/pages/index.tsx(tags: AI Agents, Retrieval-Augmented Generation, Developer Tools)Verification
npm run typecheck— passesnpm run build— passes for en/ar/es/fr (only pre-existing broken-anchor warnings on translateddocs-qa-botpages, unrelated)python main.py --build— saves 11×384 index;--evaluate→ keyword 5/10, semantic 10/10, hybrid 10/10Closes #286