test: kaizen lifecycle interaction test + fix orphaned test registration (kaizen #336)

[aviadr1]

Summary

• Register 3 orphaned test files in run-all-tests.sh (test-capture-worktree-context, test-enforce-kaizen-stop, test-worktree-context-integration)
• Add test-integration-kaizen-lifecycle.sh — 35 tests covering the full kaizen reflection lifecycle across 4 hooks
• Verify exit-before-enforcement anti-pattern (kaizen skill: add /update-nanoclaw with scipt architecture qwibitai/nanoclaw#317) is prevented
• Total: 1035 tests, all passing (up from 957 with 3 failures)

What's tested

The new interaction test covers the complete kaizen gate lifecycle:

1. Before PR create: no gates, stop allowed
2. gh pr create → kaizen-reflect.sh sets gate
3. Gate active: commands blocked (enforce-pr-kaizen), stop blocked (enforce-kaizen-stop)
4. Allowed kaizen commands pass through during gate
5. Valid KAIZEN_IMPEDIMENTS → pr-kaizen-clear.sh clears gate
6. After clearing: everything allowed
7. Multiple PRs: partial clearing (one cleared, still blocked by second)
8. Failed PR create doesn't set gate
9. Invalid/waived KAIZEN_IMPEDIMENTS don't clear gate
10. Cross-branch isolation
11. KAIZEN_NO_ACTION also clears gate

Test plan

• All 1035 tests pass (bash .claude/kaizen/hooks/tests/run-all-tests.sh)
• No orphaned test files detected
• New interaction test verifies 35 assertions across 11 phases

Run tag: batch-260321-1108-3ef8/run-5

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