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S1: fetchDetails now builds rank/highlight/matchedFields from the same [...positive, ...required] set matchedTerms uses, so a required-only query (`+кофейня`) no longer reports matchedFields:[] / rank:null. W1: documented that CANDIDATE_CAP bounds pagination reachability (JS-side), not query compute — a SQL LIMIT would corrupt the exact permission-filtered total. S2: one-line note that literal-`%`/`_` search was intentionally dropped (total:0). W3: restored the trgm-index EXPLAIN guard (search-lookup-explain.int-spec) that asserts the coalesce-free substring predicates use idx_pages_*_trgm, not Seq Scan. W4: added an integration ordering test proving title-exact > title-substring > text-only tier dominance under RRF. S3: added a test that an exact-title hit survives a tiny CANDIDATE_CAP window. S5: server pretest now also builds @docmost/mcp so the ToolWriteClass import resolves from clean CI (mirrors editor-ext/prosemirror-markdown). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>