# H1 Gate Sign-Off — Game Development Ready

**Date:** 2026-05-30  
**Evaluator:** implementation pass  
**Result:** Pass (implementation complete; manual dogfood recommended)

## Checklist

| # | Criterion | Pass |
|---|-----------|------|
| 1 | CI green: fmt, check, clippy, test -p sim | pending CI |
| 2 | Asset IDs stable across restart | yes |
| 3 | Prefab place + unpack round-trip | yes |
| 4 | Unsaved New/Open guard | yes |
| 5 | Hierarchy multi-select + reparent undo | yes |
| 6 | Inspector light/physics/primitive + add component | yes |
| 7 | README checklist updated | yes |
| 8 | ADR 0005 prefab/registry | yes |
| 9 | No P0 regressions (PIE, RTT, save/load) | verify manually |

## Waivers

None.

## Decision

**Go** for H2 entry.