Enable append-only comments in smoke-copilot workflow

.github/workflows/smoke-copilot.md

@@ -54,6 +54,7 @@ safe-outputs:
     remove-labels:
       allowed: [smoke]
     messages:
+      append-only-comments: true
       footer: "> 📰 *BREAKING: Report filed by [{workflow_name}]({run_url})*"
       run-started: "📰 BREAKING: [{workflow_name}]({run_url}) is now investigating this {event_type}. Sources say the story is developing..."
       run-success: "📰 VERDICT: [{workflow_name}]({run_url}) has concluded. All systems operational. This is a developing story. 🎤"

pkg/parser/schemas/main_workflow_schema.json

@@ -5669,6 +5669,11 @@
               "type": "string",
               "description": "Custom message template for detection job failure. Available placeholders: {workflow_name}, {run_url}. Default: '⚠️ Security scanning failed for [{workflow_name}]({run_url}). Review the logs for details.'",
               "examples": ["⚠️ Security scanning failed for [{workflow_name}]({run_url}). Review the logs for details.", "⚠️ Detection job failed in [{workflow_name}]({run_url})."]
+            },
+            "append-only-comments": {
+              "type": "boolean",
+              "description": "When enabled, workflow completion notifier creates a new comment instead of editing the activation comment. Creates an append-only timeline of workflow runs. Default: false",
+              "default": false
             }
           },
           "additionalProperties": false