docs(docs/ai-coder/agents): document the chat search: full-text filter - #28474
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f0ssel merged 3 commits intoAug 25, 2026
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Relies on #28319 being merged first to stay accurate. |
f0ssel
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Documents the
search:full-text filter indocs/ai-coder/agents/chat-search-syntax.mdand drafts the release notes copy for chat history search.Describes
mainplus #28319, which must merge first: stemming and stopword removal apply to message content only; titles and PR titles keepsimplewhole-word matching. All claims verified against the implementation. Two statements in CODAGT-727 were inaccurate and are documented as the code behaves:TestListChats_Search/NoSearchableWordsReturnsEmpty). HTTP 400 covers only an emptysearch:value, unsupported keys, bare terms, or combiningsearch:withtitle:,pr_title:, orpr:(coderd/searchquery/search.go).GetChats,listChats). Ordering is pinned first, then most recently updated.Also verified: message bodies are indexed by the dbpurge sweep (10-minute tick, up to 5 x 10,000 rows, newest first) while titles and PR titles are searchable immediately; numeric values match exact PR numbers;
title:,pr_title:, andrepo:retainILIKEsemantics.pnpm run format-docsandpnpm run lint-docspass.Closes CODAGT-727
Release notes draft
Chat history search
You can now search your chat history by what was said, not just by title. The chat list
qparameter accepts a newsearch:filter that performs full-text search across chat titles, pull request titles, PR numbers, and message content, for example?q=search:"kubernetes restart". Matching is case-insensitive and supports quoted phrases,OR, and-negation. Message content additionally matches English word stems (refactorfinds a message containingrefactoring).search:cannot be combined with thetitle:,pr_title:, orpr:filters; the existing substring filters are unchanged.Upgrading with existing chat history: the message search index is populated by a background job (every 10 minutes, up to 50,000 messages per run, newest first). Upgrades are not blocked, and chat reads and writes are unaffected while the index fills. Older messages appear in search results progressively; messages indexed before the stemming upgrade match exact word forms until re-indexed. Titles and PR titles are searchable immediately.
🤖 This PR was generated by Coder Agents on behalf of @f0ssel.