Prepare MCP and plugin recommendations concurrently - #35675
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copyberry[bot] merged 1 commit intoJul 27, 2026
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## Why Turn preparation waited for MCP discovery before requesting endpoint plugin recommendations, adding their latencies together. ## What changed - Prepare the MCP runtime and endpoint plugin recommendations concurrently. - Wait for both results before building tools and starting model sampling. - Cancel the combined preparation when the turn is interrupted. ## Testing - Add coverage that gates MCP initialization and verifies recommendation fetching overlaps it while the final request includes both results. - Verify interrupting concurrent preparation prevents model sampling. GitOrigin-RevId: 295ec268331bf05304e6b313925fd2b6c2ae4190
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Prepare MCP and plugin recommendations concurrently
Why
Turn preparation waited for MCP discovery before requesting endpoint plugin
recommendations, adding their latencies together.
What changed
Testing
overlaps it while the final request includes both results.