Added ALLOWED/FORBIDDEN sections to all 9 phase prompts, approval gates for research/design/decompose/test_design, user override resistance instructions, pre-work validation via `--validate-folder`, and `.state` precondition checks. orchestrate.md reduced from 493 to 143 lines by removing duplicated state machine logic.
## Phase Results
| Phase | Result |
|-------|--------|
| Implementation | ✅ PASS |
| Bug Find | ✅ PASS (1 minor finding — decompose.md over 150 lines) |
| Adversarial Bug Find | ✅ PASS |
| Doc Review | ✅ PASS |
## Findings
- All 9 prompts have ALLOWED/FORBIDDEN sections
- Approval gates correctly placed only in research, decomposition, design, test_design
- User override resistance instructions added to all prompts
- Pre-work validation (`--validate-folder`) mandated in all prompts
- orchestrate.md reduced from 493 to 143 lines (71% reduction)