Search notes for unattached chat questions

[ComputelessComputer]

Guide chat to search local meeting notes for open-ended factual questions when no context is attached.

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Note

Low Risk
Prompt-only changes to system guidance and tool descriptions; no search, transport, or tool execution logic changed.

Overview
When chat has no meeting note attached, the model is now steered to answer factual questions from local notes instead of asking the user to open a note.

System prompt (FILE_CONTEXT_TOOL_GUIDANCE via appendFileContextToolGuidance): use search_sessions first with names, topics, and date hints; follow with read_note when needed; reserve grep_notes for exact wording; and do not ask the user to open or share a note until search/read/grep fail to find enough context.

Tool descriptions align with that flow: search_sessions is documented as the first step for open-ended past-meeting questions; grep_notes points to search_sessions first and narrows its role to lexical/exact-phrase search.

Exports FILE_CONTEXT_TOOL_GUIDANCE and appendFileContextToolGuidance for testing; a new Vitest file asserts the appended guidance includes the search-first and no-prompt-to-open-note rules.

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This is part 1 of 2 in a stack made with GitButler:

•  2  Allow chat corrections to update notes #5780
•  1  Search notes for unattached chat questions #5779 👈

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