* perf: skip the flow_env ancestor walk for sub-flows with nothing to inherit
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
* fix: keep the flow_env mark out of sub-flow definitions replayed by restarts
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
* test: align the guest scopable-path test with app path validation
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>