delete auto-commit strat

[gtrrz-victor]

• Remove the auto-commit strategy entirely, making manual-commit the only strategy
• Remove the strategy registry, selection logic, and all auto-commit-specific code paths (setup prompts, debug commands,
  integration/e2e tests)
• Add a deprecated strategy field to EntireSettings so existing settings files with "strategy": "auto-commit" don't hard-error due to DisallowUnknownFields()
• Show a friendly note in entire status and entire doctor when a settings file still contains the unused strategy field

$entire status
Enabled (manual-commit)
Note: "strategy" in .entire/settings.json is no longer needed and can be removed.

$entire doctor
No stuck sessions found.
Note: "strategy" in .entire/settings.json is no longer needed and can be removed.

Entire-Checkpoint: 9257c9f8b2a3

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PR Summary

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[Copilot]

Pull request overview

Removes the deprecated auto-commit checkpoint strategy from Entire CLI, consolidating on manual-commit as the only supported strategy and updating docs/tests/settings accordingly.

Changes:

• Deleted the auto-commit strategy implementation and its unit/integration/e2e tests.
• Updated CLI/docs/help text and architecture docs to remove auto-commit references.
• Added settings migration to automatically rewrite strategy: "auto-commit" to manual-commit (with a warning).

Reviewed changes

Copilot reviewed 43 out of 43 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
docs/architecture/sessions-and-checkpoints.md	Removed auto-commit strategy documentation snippet.
docs/architecture/logging.md	Removed auto-commit logging source reference.
docs/architecture/claude-hooks-integration.md	Removed auto-commit behavior notes; clarified session state update step.
cmd/entire/cli/strategy/strategy.go	Removed auto-commit references from strategy interface comments.
cmd/entire/cli/strategy/session.go	Removed auto-commit mention from checkpoint details comment.
cmd/entire/cli/strategy/rewind_test.go	Removed auto-commit PreviewRewind test.
cmd/entire/cli/strategy/registry.go	Removed StrategyNameAutoCommit constant.
cmd/entire/cli/strategy/push_common.go	Removed auto-commit mention from shared push helper comment.
cmd/entire/cli/strategy/common.go	Removed auto-commit references and removed checkCanRewind; updated metadata-branch commit message text.
cmd/entire/cli/strategy/clean_test.go	Updated orphan/session-state test comment to remove auto-commit reference.
cmd/entire/cli/strategy/auto_commit_test.go	Deleted auto-commit unit test suite.
cmd/entire/cli/strategy/auto_commit.go	Deleted auto-commit strategy implementation.
cmd/entire/cli/status_test.go	Updated status tests to use manual-commit.
cmd/entire/cli/status.go	Removed internal↔display strategy mapping usage in status formatting.
cmd/entire/cli/setup_test.go	Updated enable/setup tests to use manual-commit.
cmd/entire/cli/setup.go	Removed auto-commit from enable command help/completion and simplified strategy handling.
cmd/entire/cli/settings/settings_test.go	Updated settings tests to reflect auto-commit → manual-commit migration.
cmd/entire/cli/settings/settings.go	Added migration logic + warning output for deprecated auto-commit strategy.
cmd/entire/cli/resume_test.go	Removed auto-commit-specific resume test; updated metadata JSON strategy field.
cmd/entire/cli/reset_test.go	Removed reset test for auto-commit strategy.
cmd/entire/cli/reset.go	Removed auto-commit guidance from reset command help text.
cmd/entire/cli/paths/paths.go	Updated metadata branch comment (now manual-commit only).
cmd/entire/cli/lifecycle.go	Removed auto-commit transcript-position tracking logic.
cmd/entire/cli/integration_test/worktree_test.go	Switched strategy under test to manual-commit.
cmd/entire/cli/integration_test/testenv_test.go	Updated expected strategies count/list after removing auto-commit.
cmd/entire/cli/integration_test/testenv.go	Removed auto-commit from AllStrategies() and adjusted comments.
cmd/entire/cli/integration_test/subagent_checkpoints_test.go	Simplified checkpoint storage verification (manual-commit only).
cmd/entire/cli/integration_test/rewind_test.go	Removed auto-commit-only multi-session rewind test.
cmd/entire/cli/integration_test/resume_test.go	Switched resume integration tests to manual-commit strategy.
cmd/entire/cli/integration_test/hooks_test.go	Removed auto-commit branch-commit assertions; manual-commit-only expectations.
cmd/entire/cli/integration_test/auto_commit_checkpoint_fix_test.go	Deleted auto-commit integration regression tests.
cmd/entire/cli/explain_test.go	Updated test fixtures to use manual-commit strategy string.
cmd/entire/cli/e2e_test/scenario_checkpoint_test.go	Removed auto-commit e2e scenario.
cmd/entire/cli/debug.go	Removed auto-commit debug subcommand implementation.
cmd/entire/cli/config_test.go	Updated config loading tests to manual-commit + migration expectations.
cmd/entire/cli/clean.go	Removed auto-commit-specific orphaning description.
cmd/entire/cli/checkpoint/checkpoint.go	Generalized task checkpoint comment (no longer auto-commit-specific).
README.md	Removed auto-commit from enable flag docs and troubleshooting guidance.
GEMINI.md	Removed auto-commit from strategy documentation and key file list.
CLAUDE.md	Removed auto-commit from strategy docs and clarified checkpoint ID flow.
.github/ISSUE_TEMPLATE/bug_report.yml	Removed auto-commit as a selectable strategy option.
.claude/skills/test-repo/test-harness.sh	Removed auto-commit-specific note for missing shadow branch.
.claude/skills/test-repo/SKILL.md	Removed auto-commit/dual from strategy descriptions and expected-results matrix.

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