Summary

VS Code 1.108.0 can retain unconsumed terminal-output events in its main process until JavaScript heap exhaustion closes the whole application. Add a reversible local backport of microsoft/vscode#323980, scoped to the exact inspected build and SHA-256.

The repair preserves management-event buffering, validates the patched bundle, backs up the original, and supports check/install/remove operations. Documentation records the crash evidence, full-restart requirement, and rollback procedure. This repair is separate from Agent Attention's extension changes already on main.

Validation

• Repository verification passes, including all 9 existing regression tests.
• All 6 backport tests pass: reproduce 20,000 retained chunks using the shipped code, verify the repair removes unused subscriptions while preserving live delivery and lifecycle replay, validate syntax, and exercise idempotent installation and rollback.
• Installed bundle and original backup hashes verified locally.

The repair is installed locally but requires a full VS Code restart. Long-running stability after restart has not yet been verified. Tests for the backport require the supported local VS Code 1.108.0 installation.