chore: adjust notification example and ci triggers

.github/workflows/unittest.yaml

@@ -2,6 +2,8 @@ name: unittest
 
 on:
   push:
+    branches:
+      - main
   pull_request:
 
 jobs:

examples/simple-github.yaml

@@ -30,17 +30,17 @@ defaults:
       # - id: opencode
       #   command: opencode
       #   timeout: 10m
-    notifications:
-      # Optional Discord notifications for assistant activity.
-      - type: discordWebhook
-        enabled: true
-        events: ["mention_detected", "reply_posted", "responder_failed"]
-        webhookUrl: ${CWS_DISCORD_WEBHOOK}
-        username: code-work-spawner
-      # Optional desktop notifications for local polling runs.
-      - type: desktop
-        enabled: false
-        events: ["mention_detected", "responder_failed"]
+    # notifications:
+    #   # Optional Discord notifications for assistant activity.
+    #   - type: discordWebhook
+    #     enabled: true
+    #     events: ["mention_detected", "reply_posted", "responder_failed"]
+    #     webhookUrl: ${CWS_DISCORD_WEBHOOK}
+    #     username: code-work-spawner
+    #   # Optional desktop notifications for local polling runs.
+    #   - type: desktop
+    #     enabled: false
+    #     events: ["mention_detected", "responder_failed"]
 
 projects:
   code-work-spawner: