fix: fix: smoke-init should only run on pull_request events, not push (#21)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.woodpecker/smoke-init.yml

@@ -8,7 +8,15 @@
 # to run as the 'git' user (pre-created in the Forgejo Docker image).
 
 when:
-  event: [push, pull_request]
+  - event: pull_request
+    path:
+      - "bin/disinto"
+      - "lib/load-project.sh"
+      - "tests/smoke-init.sh"
+      - ".woodpecker/smoke-init.yml"
+      - "docker/**"
+  - event: push
+    branch: main
     path:
       - "bin/disinto"
       - "lib/load-project.sh"