Port ExitPlanMode and AutoModeSwitch mode handler APIs from reference implementation#178

Draft

Copilot wants to merge 6 commits intomainfrom

copilot/reference-impl-sync-new-commits-again

Commits on May 8, 2026

Initial plan
Copilot
authored
Port ExitPlanMode and AutoModeSwitch handler APIs from reference implementation

Copilot
and
edburns
authored
Add unit and E2E tests for mode handler APIs

Copilot
and
edburns
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Add documentation for mode handler APIs

Copilot
and
edburns
authored
Disable E2E mode handler tests pending .lastmerge update for new snapshots

Copilot
and
edburns
authored
Update .lastmerge to ce56eb81a1b57f72f603f8cd3e7fb5ce9ee2dbc3, sync pom.xml CLI version, and update scripts/codegen @github/copilot version

Copilot
and
edburns
authored