feat: add consumer-facing install flow / 新增給其他 agent 使用的安裝流程

HANDOFF.md

@@ -46,6 +46,15 @@ Read these files first:
 7. `reports/next-phase-implementation-plan.md`
 8. `reports/agent-consumable-minimum.md`
 
+## Fastest operational entrypoints
+
+For another engineering agent, the most useful command entrypoints are now:
+
+- `bash scripts/install-openclawtest-poc.sh`
+- `npm run apply:openclawtest`
+- `npm run verify:openclawtest`
+- `npm run test`
+
 ## Repo structure
 
 - `src/core/` - reusable state/policy/callback logic