Add stream interruption support (truncateAfterChunks, disconnectAfterMs, AbortSignal)#24
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Add stream interruption support (truncateAfterChunks, disconnectAfterMs, AbortSignal)#24
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Add InterruptionControl interface and createInterruptionSignal() for truncateAfterChunks and disconnectAfterMs support. Update writeSSEStream to accept StreamOptions with signal/onChunkSent and return boolean indicating completion. Export shared delay() with AbortSignal support.
Plumb createInterruptionSignal through all HTTP SSE handlers (server.ts, responses.ts, messages.ts, gemini.ts). Each provider's SSE writer now accepts signal/onChunkSent and returns boolean. Extend LLMock convenience API with truncateAfterChunks/disconnectAfterMs opts. Pass through new fields in fixture-loader.
Add destroy() to WebSocketConnection for abrupt disconnects. Thread interruption signals through all three WS handlers (ws-responses, ws-realtime, ws-gemini-live) so truncateAfterChunks and disconnectAfterMs work for WebSocket streams the same way they do for HTTP SSE streams.
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- truncateAfterChunks: 0 aborts on first tick - disconnectAfterMs: 0 aborts promptly - delay() with pre-aborted signal resolves immediately - fixture-loader passes through interruption fields
- Tool call interruption via OpenAI /v1/chat/completions - Claude /v1/messages with truncateAfterChunks and disconnectAfterMs - Gemini streamGenerateContent with truncateAfterChunks - Responses API /v1/responses with truncateAfterChunks
- WS Responses API tool call truncation - WS Realtime API tool call truncation (nested arg chunking loop) - WS Gemini Live tool call truncation (atomic frame)
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Summary
truncateAfterChunksanddisconnectAfterMsfixture fields to simulate mid-stream server disconnectscreateInterruptionSignal, signal-awaredelay())writeSSEStreamoverload withStreamOptionsreturning completion statusdestroy()method onWebSocketConnectionfor abrupt disconnect simulationinterruptedandinterruptReasonon interrupted streamsTest plan
pnpm buildcleanpnpm run format:checkcleanpnpm run lintclean🤖 Generated with Claude Code