feat(runtimes): mastra sub-agent streaming via a public-API stream tee - #961

Merged

blove merged 8 commits into

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blove/mastra-subagent-streaming

Sep 2, 2026

Commits on Sep 2, 2026

docs: spec + plan for Mastra sub-agent streaming via a public-API stream tee

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6f9d2b6
docs(runtimes): mastra streaming spike — raw fullStream order and card-mount finding

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99f2dd9
feat(runtimes): mastra stream tee — observe fullStream chunks before the bridge consumes them

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feat(runtimes): mastra injector maps delegation chunks to eager TOOL_CALL_* and attributed child deltas

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feat(runtimes): mastra server wires the delegation tee into the SSE stream

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docs(runtimes): mastra streaming live verification

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docs(website,blog): mastra subagents stream — cell flips to Yes

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docs+test(runtimes): mastra streaming review fixes — line-count range, superseded marker, tee edge tests

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ed48227