teknium1 491605cfea feat: add high-value tool result hints for patch and search_files (#722) ...

Add contextual [Hint: ...] suffixes to tool results where they save
real iterations:

- patch (no match): suggests read_file/search_files to verify content
  before retrying — addresses the common pattern where the agent retries
  with stale old_string instead of re-reading the file.
- search_files (truncated): provides explicit next offset and suggests
  narrowing the search — clearer than relying on total_count inference.

Other hints proposed in #722 (terminal, web_search, web_extract,
browser_snapshot, search zero-results, search content-matches) were
evaluated and found to be low-value: either already covered by existing
mechanisms (read_file pagination, similar-files, schema descriptions)
or guidance the agent already follows from its own reasoning.

5 new tests covering hint presence/absence for both tools.

2026-03-08 17:46:28 -07:00

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