Auto-add unique runId/index suffix to default output paths#226
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smithyyang wants to merge 2 commits into
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Auto-add unique runId/index suffix to default output paths#226smithyyang wants to merge 2 commits into
smithyyang wants to merge 2 commits into
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When no explicit `output` is passed in the subagent call and the output comes from the agent config default (e.g. `output: /tmp/research.md`), the framework now appends `_<runId>_<index>` to prevent collisions in parallel execution and avoid hardcoded-path confusion. - Foreground single: suffix added when `params.output` is undefined - Foreground parallel: suffix added per task when no task-level override - Async single + async chain: same logic - Progress tracks alongside output in the same directory Progress path is `.progress_<runId>/progress.md` (same directory); a follow-up could use `progress_<runId>.md` for consistency. Related: nicobailon#220, nicobailon#223, nicobailon#224
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This was referenced May 28, 2026
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Problem: When subagent output comes from agent config default (e.g.
output: /tmp/research.md), parallel tasks write to the same path, and the model may follow hardcoded prompt filenames instead of the runtime output override.Fix: When output is from agent default (no task-level override), auto-append
_<runId>_<index>to the filename at runtime./tmp/research.md→/tmp/research_abc123_0.mdoutput: "/tmp/custom.md"stays exact (not modified).progress_<runId>/progress.mdunder the same directoryAffects: foreground single, foreground parallel, async single, async chain — all execution paths.
Validation: 3-researcher parallel run produced
/tmp/research_b90ae4e0_0.md,_1.md,_2.mdwithout conflict.No
~/pollution. All files in/tmp/.Follow-up: progress naming could use
progress_<runId>.mdfor consistency (currently uses hidden subdirectory).