fix: emit tool_call_end events in BaseOpenAiCompatibleProvider

[hannesrudolph]

Summary

The BaseOpenAiCompatibleProvider was not emitting tool_call_end events when the API stream ended with finish_reason === 'tool_calls'. This could cause the extension to appear stuck waiting for more stream data.

This is the same fix applied in PR #10280 to the OpenAI handler, now applied to the base class that ZAi and other OpenAI-compatible providers extend.

Changes

src/api/providers/base-openai-compatible-provider.ts

• Added tracking of active tool call IDs in createMessage()
• When finish_reason === 'tool_calls', emit tool_call_end events for all tracked tool calls
• Matches the pattern used by OpenAI handler (PR fix: emit tool_call_end events in OpenAI handler when streaming ends #10280)

src/api/providers/__tests__/base-openai-compatible-provider.spec.ts

• Added test assertions to verify tool_call_end events are emitted when finish_reason === 'tool_calls'
• Added coverage for single and parallel tool call scenarios
• Added negative test for when finish_reason is not tool_calls

Affected Providers

• ZAi (extends BaseOpenAiCompatibleProvider)
• Any other providers extending this base class

Related

• Follow-up to fix: emit tool_call_end events in OpenAI handler when streaming ends #10280

---

Important

Fixes BaseOpenAiCompatibleProvider to emit tool_call_end events when finish_reason === 'tool_calls', preventing the extension from appearing stuck.

• Behavior:
  • In base-openai-compatible-provider.ts, added tracking of active tool call IDs in createMessage().
  • Emit tool_call_end events when finish_reason === 'tool_calls' for all tracked tool calls.
• Tests:
  • In base-openai-compatible-provider.spec.ts, added tests to verify tool_call_end events are emitted correctly.
  • Covered single and parallel tool call scenarios, and negative test for non-tool_calls finish reasons.
• Affected Providers:
  • ZAi and other providers extending BaseOpenAiCompatibleProvider.

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[roomote]

Oroocle   See task on Roo Cloud

Reviewed BaseOpenAiCompatibleProvider tool call end handling changes. No issues found.

• No issues to address

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