feat: CI smoke test — syntax check + function resolution for all agent scripts (#177)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.woodpecker/ci.yml

@@ -14,6 +14,12 @@ steps:
     commands:
       - find . -name "*.sh" -not -path "./.git/*" -print0 | xargs -0 -r shellcheck --severity=warning
 
+  - name: agent-smoke
+    image: alpine:3
+    commands:
+      - apk add --no-cache bash
+      - bash .woodpecker/agent-smoke.sh
+
   - name: duplicate-detection
     image: python:3-alpine
     commands: