rka-oai 3171166881 Reject conflicting namespace descriptions in strict tool mode (#37053)
## What changed

- Treat different non-empty descriptions for the same tool namespace as a
  collision when `error_on_tool_collisions` is enabled, including deferred
  tools.
- Continue allowing multiple tools to share a namespace when their descriptions
  match or are empty.
- Preserve the first non-empty namespace description when strict collision
  checking is disabled.

## Testing

- Cover strict collisions across direct and deferred tools, valid shared
  namespaces, relaxed description merging, and failure before model sampling.

GitOrigin-RevId: 788a2ae0eccb64c97995af7a208d9abb79edf2d0
2026-08-05 08:01:47 +00:00
2026-04-24 17:49:29 -07:00
2025-04-16 12:56:08 -04:00
2025-04-16 12:56:08 -04:00
2026-04-24 17:49:29 -07:00

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