docs: improve search_docs ranking for module-system and config queries#129
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Two BM25-ranking fixes (content present, just under-ranked) that take the live search_docs audit from 6/8 to 8/8 (after the docs-fts driver fix in #127): - concepts/modularity.md: lead on the literal phrase "module system" so the query stem matches the title's neighborhood (Q1: rank 5 -> 1). - getting-started/configuration.md: add a "Where Config Defaults Go" heading + lead covering the query terms config/defaults/go, which porter stemming otherwise split from "configuration" (Q6: miss -> rank 1). Verified end-to-end via `claude -p` against the live MCP: F = 8/8, seven at rank 1. Closes the YELLOW item on the search_docs coverage audit (task 000); docs-fts confirmed as the skeleton/devai default. docs-vec remains tracked in #128. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Summary
The final two misses from the live
search_docsaudit (run end-to-end in a real project) were BM25 ranking gaps, not missing content. Two smalldocs-markdownedits take the audit from 6/8 → 8/8:concepts/modularity.md— lead on the literal phrase "module system" so the query stem matches the title's neighborhood (porter stemsmodule→modul, which never matched the titleModularity→modular). Q1: rank 5 → 1.getting-started/configuration.md— add a "Where Config Defaults Go" heading + lead covering the query termsconfig/defaults/go(porter splitsconfigfrom the doc'sconfiguration). Q6: miss → rank 1.Verification
End-to-end via
claude -pagainst the live MCP, and independently re-checked against the real corpus in this repo:Closes out the audit
search_docscoverage audit (task 000) → RESOLVED / GREEN.docs-ftsconfirmed as theskeleton/devaidefault driver.docs-vec(un-buildable on stock PHP) remains tracked in docs-vec: un-buildable / non-functional on standard PHP PDO-SQLite (6 stacked defects) #128.docs-markdown suite green: 17 passed.
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