fix: make toolset switching atomic to prevent tool desync race #648
+260
−116
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When switching toolsets via /toolset, the registry was cleared
synchronously then tools loaded asynchronously. Messages could be
sent during this window with stale/partial tools, causing parallel
tool calls to have mixed success/failure ("Tool not found" for some).
Changes:
- Add replaceRegistry() helper for atomic clear+populate
- Add switch lock mechanism (acquireSwitchLock/releaseSwitchLock)
with ref-counting to handle overlapping switches
- Export waitForToolsetReady() and await it in sendMessageStream()
before reading tools
- Add clearToolsWithLock() for forceToolsetSwitch("none") case
👾 Generated with [Letta Code](https://letta.com)
Co-Authored-By: Letta <noreply@letta.com>
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When switching toolsets via /toolset, the registry was cleared synchronously then tools loaded asynchronously. Messages could be sent during this window with stale/partial tools, causing parallel tool calls to have mixed success/failure ("Tool not found" for some).
Changes:
👾 Generated with Letta Code