README + reduce required VS Code version for companion extension (#5719)

package-lock.json

@@ -2511,13 +2511,6 @@
         "boxen": "^7.1.1"
       }
     },
-    "node_modules/@types/vscode": {
-      "version": "1.102.0",
-      "resolved": "https://registry.npmjs.org/@types/vscode/-/vscode-1.102.0.tgz",
-      "integrity": "sha512-V9sFXmcXz03FtYTSUsYsu5K0Q9wH9w9V25slddcxrh5JgORD14LpnOA7ov0L9ALi+6HrTjskLJ/tY5zeRF3TFA==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/@types/ws": {
       "version": "8.18.1",
       "resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.18.1.tgz",
@@ -12029,7 +12022,7 @@
         "@types/cors": "^2.8.19",
         "@types/express": "^5.0.3",
         "@types/node": "20.x",
-        "@types/vscode": "^1.101.0",
+        "@types/vscode": "^1.99.0",
         "@typescript-eslint/eslint-plugin": "^8.31.1",
         "@typescript-eslint/parser": "^8.31.1",
         "esbuild": "^0.25.3",
@@ -12039,8 +12032,15 @@
         "vitest": "^3.2.4"
       },
       "engines": {
-        "vscode": "^1.101.0"
+        "vscode": "^1.99.0"
       }
+    },
+    "packages/vscode-ide-companion/node_modules/@types/vscode": {
+      "version": "1.99.0",
+      "resolved": "https://registry.npmjs.org/@types/vscode/-/vscode-1.99.0.tgz",
+      "integrity": "sha512-30sjmas1hQ0gVbX68LAWlm/YYlEqUErunPJJKLpEl+xhK0mKn+jyzlCOpsdTwfkZfPy4U6CDkmygBLC3AB8W9Q==",
+      "dev": true,
+      "license": "MIT"
     }
   }
 }

packages/vscode-ide-companion/README.md

@@ -8,11 +8,15 @@ The Gemini CLI Companion extension seamlessly integrates [Gemini CLI](https://gi
 
 - Selection Context: Gemini CLI can easily access your cursor's position and selected text within the editor, giving it valuable context directly from your current work.
 
+- Native Diffing: Seamlessly view, modify, and accept code changes suggested by Gemini CLI directly within the editor.
+
+- Launch Gemini CLI: Quickly start a new Gemini CLI session from the Command Palette (Cmd+Shift+P or Ctrl+Shift+P) by running the "Gemini CLI: Run" command.
+
 # Requirements
 
 To use this extension, you'll need:
 
-- VS Code version 1.101.0 or newer
+- VS Code version 1.99.0 or newer
 - Gemini CLI (installed separately) running within the VS Code integrated terminal
 
 # Terms of Service and Privacy Notice

packages/vscode-ide-companion/package.json

@@ -11,7 +11,7 @@
     "directory": "packages/vscode-ide-companion"
   },
   "engines": {
-    "vscode": "^1.101.0"
+    "vscode": "^1.99.0"
   },
   "license": "LICENSE",
   "preview": true,
@@ -113,7 +113,7 @@
     "@types/cors": "^2.8.19",
     "@types/express": "^5.0.3",
     "@types/node": "20.x",
-    "@types/vscode": "^1.101.0",
+    "@types/vscode": "^1.99.0",
     "@typescript-eslint/eslint-plugin": "^8.31.1",
     "@typescript-eslint/parser": "^8.31.1",
     "esbuild": "^0.25.3",

packages/vscode-ide-companion/src/diff-manager.ts

@@ -56,7 +56,7 @@ export class DiffManager {
   private diffDocuments = new Map<string, DiffInfo>();
 
   constructor(
-    private readonly logger: vscode.OutputChannel,
+    private readonly log: (message: string) => void,
     private readonly diffContentProvider: DiffContentProvider,
   ) {}
 
@@ -151,9 +151,7 @@ export class DiffManager {
   async acceptDiff(rightDocUri: vscode.Uri) {
     const diffInfo = this.diffDocuments.get(rightDocUri.toString());
     if (!diffInfo) {
-      this.logger.appendLine(
-        `No diff info found for ${rightDocUri.toString()}`,
-      );
+      this.log(`No diff info found for ${rightDocUri.toString()}`);
       return;
     }
 
@@ -179,9 +177,7 @@ export class DiffManager {
   async cancelDiff(rightDocUri: vscode.Uri) {
     const diffInfo = this.diffDocuments.get(rightDocUri.toString());
     if (!diffInfo) {
-      this.logger.appendLine(
-        `No diff info found for ${rightDocUri.toString()}`,
-      );
+      this.log(`No diff info found for ${rightDocUri.toString()}`);
       // Even if we don't have diff info, we should still close the editor.
       await this.closeDiffEditor(rightDocUri);
       return;

packages/vscode-ide-companion/src/extension.ts

@@ -42,7 +42,7 @@ export async function activate(context: vscode.ExtensionContext) {
   updateWorkspacePath(context);
 
   const diffContentProvider = new DiffContentProvider();
-  const diffManager = new DiffManager(logger, diffContentProvider);
+  const diffManager = new DiffManager(log, diffContentProvider);
 
   context.subscriptions.push(
     vscode.workspace.onDidCloseTextDocument((doc) => {