Add ctrl-c propagation e2e test with graceful SIGINT handling#299

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add-ctrl-c-e2e-test

Commits on Mar 27, 2026

Add e2e snapshot test for ctrl-c propagation to running tasks

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Add ctrl-c e2e test for SIGINT propagation to running tasks

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Avoid canonicalize when resolving repo root in e2e test runner

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Support cross-platform e2e snapshot testing via cargo-xtest

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Handle SIGINT gracefully and add argv spawn mode for e2e tests

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Fix clippy: expect attributes, map_or_else, safety comment

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Fix incorrect comment: ConPTY sets CTRL_C ignore flag, not Rust runtime

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