Update metadata.json

Author: actions-user

awesome-copilot/src/McpSamples.AwesomeCopilot.HybridApp/metadata.json

@@ -729,6 +729,14 @@
         "**/*.css"
       ]
     },
+    {
+      "filename": "no-heredoc.instructions.md",
+      "name": "No Heredoc File Operations",
+      "description": "Prevents terminal heredoc file corruption in VS Code Copilot by enforcing use of file editing tools instead of shell redirections",
+      "applyTo": [
+        "**"
+      ]
+    },
     {
       "filename": "nodejs-javascript-vitest.instructions.md",
       "description": "Guidelines for writing Node.js and JavaScript code with Vitest testing",