Minor refactoring of VS Code companion extension code (#4761)

.vscode/launch.json

@@ -30,6 +30,18 @@
         "GEMINI_SANDBOX": "false"
       }
     },
+    {
+      "name": "Launch Companion VS Code Extension",
+      "type": "extensionHost",
+      "request": "launch",
+      "args": [
+        "--extensionDevelopmentPath=${workspaceFolder}/packages/vscode-ide-companion"
+      ],
+      "outFiles": [
+        "${workspaceFolder}/packages/vscode-ide-companion/dist/**/*.js"
+      ],
+      "preLaunchTask": "npm: build: vscode-ide-companion"
+    },
     {
       "name": "Attach",
       "port": 9229,

.vscode/tasks.json

@@ -11,6 +11,15 @@
       "problemMatcher": [],
       "label": "npm: build",
       "detail": "scripts/build.sh"
+    },
+    {
+      "type": "npm",
+      "script": "build",
+      "path": "packages/vscode-ide-companion",
+      "group": "build",
+      "problemMatcher": [],
+      "label": "npm: build: vscode-ide-companion",
+      "detail": "npm run build -w packages/vscode-ide-companion"
     }
   ]
 }