* feat: content-quality gate on sync — quarantine junk + flag boilerplate (#1699)
Three-tier disposition at the importFromContent narrow waist:
- High-confidence junk (Cloudflare/CAPTCHA interstitial patterns + operator
literals) -> quarantine (hidden from search, zero chunks) or reject.
- Fuzzy markup-heavy (prose-vs-markup ratio, warn-tier window, code-exempt)
-> content_flag marker, stays searchable, agent warned.
- Oversize -> existing embed_skip soft-block + content_flag:oversized warning.
Agent-warning channel: SearchResult.content_flag (stamped in hybridSearch +
the keyword-only search op) and a top-level content_flag on get_page.
New quarantine.ts markers, gbrain quarantine CLI (list/clear/scan), doctor
quarantined_pages + flagged_pages checks (engine.executeRaw, works on PGLite),
sources-audit disposition awareness, markup-heavy lint rule, config keys.
Security: gate-owned markers stripped from untrusted (remote MCP) frontmatter
so a write-scoped client can't hide pages or inject the warning channel.
Markers excluded from content_hash so flagged pages don't re-embed every sync.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
* chore: bump version and changelog (v0.42.8.0)
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
* docs: document content-quality gate (quarantine + content_flag) for v0.42.8.0
Add CLAUDE.md Key Files + Commands entries for the #1699 content-quality
gate: src/core/quarantine.ts, gbrain quarantine CLI (list/clear/scan),
the agent-warning channel (SearchResult.content_flag + get_page), doctor
quarantined_pages/flagged_pages checks, the markup-heavy lint rule,
sources-audit disposition awareness, and the three new content_sanity
config keys. Regenerate llms-full.txt from CLAUDE.md.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
