chore(release): v0.12.0-preview.7

Co-authored-by: Jerop Kipruto <jerop@google.com>

docs/cli/keyboard-shortcuts.md

@@ -67,3 +67,12 @@ This document lists the available keyboard shortcuts in the Gemini CLI.
 | Shortcut | Description                       |
 | -------- | --------------------------------- |
 | `Ctrl+G` | See context CLI received from IDE |
+
+## Meta+key combos on mac
+
+On Mac, all Meta+char combos should work normally except for these three which
+are mapped to special functionality.
+
+- `meta+b`: "∫" back one word
+- `meta+f`: "ƒ" forward one word
+- `meta+m`: "µ" toggle markup view

docs/cli/telemetry.md

@@ -539,10 +539,6 @@ Measures tool usage and latency.
     - `decision` (string: "accept", "reject", "modify", or "auto_accept", if
       applicable)
     - `tool_type` (string: "mcp" or "native", if applicable)
-    - `model_added_lines` (Int, optional)
-    - `model_removed_lines` (Int, optional)
-    - `user_added_lines` (Int, optional)
-    - `user_removed_lines` (Int, optional)
 
 - `gemini_cli.tool.call.latency` (Histogram, ms): Measures tool call latency.
   - **Attributes**:
@@ -586,6 +582,12 @@ Counts file operations with basic context.
     - `extension` (string, optional)
     - `programming_language` (string, optional)
 
+- `gemini_cli.lines.changed` (Counter, Int): Number of lines changed (from file
+  diffs).
+  - **Attributes**:
+    - `function_name`
+    - `type` ("added" or "removed")
+
 ##### Chat and Streaming
 
 Resilience counters for compression, invalid chunks, and retries.

docs/get-started/configuration-v1.md

@@ -473,21 +473,6 @@ a few things you can try in order of recommendation:
     "loadMemoryFromIncludeDirectories": true
     ```
 
-- **`chatCompression`** (object):
-  - **Description:** Controls the settings for chat history compression, both
-    automatic and when manually invoked through the /compress command.
-  - **Properties:**
-    - **`contextPercentageThreshold`** (number): A value between 0 and 1 that
-      specifies the token threshold for compression as a percentage of the
-      model's total token limit. For example, a value of `0.6` will trigger
-      compression when the chat history exceeds 60% of the token limit.
-  - **Example:**
-    ```json
-    "chatCompression": {
-      "contextPercentageThreshold": 0.6
-    }
-    ```
-
 - **`showLineNumbers`** (boolean):
   - **Description:** Controls whether line numbers are displayed in code blocks
     in the CLI output.

docs/get-started/configuration.md

@@ -245,13 +245,13 @@ their corresponding top-level category object in your `settings.json` file.
     example `{"run_shell_command": {"tokenBudget": 2000}}`
   - **Default:** `undefined`
 
-- **`model.chatCompression.contextPercentageThreshold`** (number):
+- **`model.compressionThreshold`** (number):
   - **Description:** Sets the threshold for chat history compression as a
-    percentage of the model's total token limit. This is a value between 0 and 1
+    fraction of the model's total token limit. This is a value between 0 and 1
     that applies to both automatic compression and the manual `/compress`
     command. For example, a value of `0.6` will trigger compression when the
     chat history exceeds 60% of the token limit.
-  - **Default:** `0.7`
+  - **Default:** `0.2`
 
 - **`model.skipNextSpeakerCheck`** (boolean):
   - **Description:** Skip the next speaker check.

eslint.config.js

@@ -161,6 +161,31 @@ export default tseslint.config(
       'default-case': 'error',
     },
   },
+  {
+    // Prevent self-imports in packages
+    files: ['packages/core/src/**/*.{ts,tsx}'],
+    rules: {
+      'no-restricted-imports': [
+        'error',
+        {
+          name: '@google/gemini-cli-core',
+          message: 'Please use relative imports within the @google/gemini-cli-core package.',
+        },
+      ],
+    },
+  },
+  {
+    files: ['packages/cli/src/**/*.{ts,tsx}'],
+    rules: {
+      'no-restricted-imports': [
+        'error',
+        {
+          name: '@google/gemini-cli',
+          message: 'Please use relative imports within the @google/gemini-cli package.',
+        },
+      ],
+    },
+  },
   {
     files: ['packages/*/src/**/*.test.{ts,tsx}'],
     plugins: {

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@google/gemini-cli",
-  "version": "0.12.0-nightly.20251022.0542de95",
+  "version": "0.12.0-preview.7",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@google/gemini-cli",
-      "version": "0.12.0-nightly.20251022.0542de95",
+      "version": "0.12.0-preview.7",
       "workspaces": [
         "packages/*"
       ],
@@ -17434,7 +17434,7 @@
     },
     "packages/a2a-server": {
       "name": "@google/gemini-cli-a2a-server",
-      "version": "0.12.0-nightly.20251022.0542de95",
+      "version": "0.12.0-preview.7",
       "dependencies": {
         "@a2a-js/sdk": "^0.3.2",
         "@google-cloud/storage": "^7.16.0",
@@ -17708,7 +17708,7 @@
     },
     "packages/cli": {
       "name": "@google/gemini-cli",
-      "version": "0.12.0-nightly.20251022.0542de95",
+      "version": "0.12.0-preview.7",
       "dependencies": {
         "@google/gemini-cli-core": "file:../core",
         "@google/genai": "1.16.0",
@@ -17828,7 +17828,7 @@
     },
     "packages/core": {
       "name": "@google/gemini-cli-core",
-      "version": "0.12.0-nightly.20251022.0542de95",
+      "version": "0.12.0-preview.7",
       "dependencies": {
         "@google-cloud/logging": "^11.2.1",
         "@google-cloud/opentelemetry-cloud-monitoring-exporter": "^0.21.0",
@@ -17969,7 +17969,7 @@
     },
     "packages/test-utils": {
       "name": "@google/gemini-cli-test-utils",
-      "version": "0.12.0-nightly.20251022.0542de95",
+      "version": "0.12.0-preview.7",
       "license": "Apache-2.0",
       "devDependencies": {
         "typescript": "^5.3.3"
@@ -17980,7 +17980,7 @@
     },
     "packages/vscode-ide-companion": {
       "name": "gemini-cli-vscode-ide-companion",
-      "version": "0.12.0-nightly.20251022.0542de95",
+      "version": "0.12.0-preview.7",
       "license": "LICENSE",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.15.1",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli",
-  "version": "0.12.0-nightly.20251022.0542de95",
+  "version": "0.12.0-preview.7",
   "engines": {
     "node": ">=20.0.0"
   },
@@ -14,7 +14,7 @@
     "url": "git+https://github.com/google-gemini/gemini-cli.git"
   },
   "config": {
-    "sandboxImageUri": "us-docker.pkg.dev/gemini-code-dev/gemini-cli/sandbox:0.12.0-nightly.20251022.0542de95"
+    "sandboxImageUri": "us-docker.pkg.dev/gemini-code-dev/gemini-cli/sandbox:0.12.0-preview.7"
   },
   "scripts": {
     "start": "cross-env NODE_ENV=development node scripts/start.js",
@@ -127,7 +127,10 @@
   "lint-staged": {
     "*.{js,jsx,ts,tsx}": [
       "prettier --write",
-      "eslint --fix --max-warnings 0"
+      "eslint --fix --max-warnings 0 --no-warn-ignored"
+    ],
+    "eslint.config.js": [
+      "prettier --write"
     ],
     "*.{json,md}": [
       "prettier --write"

packages/a2a-server/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli-a2a-server",
-  "version": "0.12.0-nightly.20251022.0542de95",
+  "version": "0.12.0-preview.7",
   "description": "Gemini CLI A2A Server",
   "repository": {
     "type": "git",

packages/cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli",
-  "version": "0.12.0-nightly.20251022.0542de95",
+  "version": "0.12.0-preview.7",
   "description": "Gemini CLI",
   "repository": {
     "type": "git",
@@ -25,7 +25,7 @@
     "dist"
   ],
   "config": {
-    "sandboxImageUri": "us-docker.pkg.dev/gemini-code-dev/gemini-cli/sandbox:0.12.0-nightly.20251022.0542de95"
+    "sandboxImageUri": "us-docker.pkg.dev/gemini-code-dev/gemini-cli/sandbox:0.12.0-preview.7"
   },
   "dependencies": {
     "@google/gemini-cli-core": "file:../core",

packages/cli/src/config/config.test.ts

@@ -1545,7 +1545,7 @@ describe('loadCliConfig with includeDirectories', () => {
   });
 });
 
-describe('loadCliConfig chatCompression', () => {
+describe('loadCliConfig compressionThreshold', () => {
   beforeEach(() => {
     vi.resetAllMocks();
     vi.mocked(os.homedir).mockReturnValue('/mock/home/user');
@@ -1558,28 +1558,24 @@ describe('loadCliConfig chatCompression', () => {
     vi.restoreAllMocks();
   });
 
-  it('should pass chatCompression settings to the core config', async () => {
+  it('should pass settings to the core config', async () => {
     process.argv = ['node', 'script.js'];
     const argv = await parseArguments({} as Settings);
     const settings: Settings = {
       model: {
-        chatCompression: {
-          contextPercentageThreshold: 0.5,
-        },
+        compressionThreshold: 0.5,
       },
     };
     const config = await loadCliConfig(settings, 'test-session', argv);
-    expect(config.getChatCompression()).toEqual({
-      contextPercentageThreshold: 0.5,
-    });
+    expect(config.getCompressionThreshold()).toBe(0.5);
   });
 
-  it('should have undefined chatCompression if not in settings', async () => {
+  it('should have undefined compressionThreshold if not in settings', async () => {
     process.argv = ['node', 'script.js'];
     const argv = await parseArguments({} as Settings);
     const settings: Settings = {};
     const config = await loadCliConfig(settings, 'test-session', argv);
-    expect(config.getChatCompression()).toBeUndefined();
+    expect(config.getCompressionThreshold()).toBeUndefined();
   });
 });
 

packages/cli/src/config/config.ts

@@ -684,7 +684,7 @@ export async function loadCliConfig(
     noBrowser: !!process.env['NO_BROWSER'],
     summarizeToolOutput: settings.model?.summarizeToolOutput,
     ideMode,
-    chatCompression: settings.model?.chatCompression,
+    compressionThreshold: settings.model?.compressionThreshold,
     folderTrust,
     interactive,
     trustedFolder,

packages/cli/src/config/settings.test.ts

@@ -1104,15 +1104,15 @@ describe('Settings Loading and Merging', () => {
       });
     });
 
-    it('should merge chatCompression settings, with workspace taking precedence', () => {
+    it('should merge compressionThreshold settings, with workspace taking precedence', () => {
       (mockFsExistsSync as Mock).mockReturnValue(true);
       const userSettingsContent = {
         general: {},
-        model: { chatCompression: { contextPercentageThreshold: 0.5 } },
+        model: { compressionThreshold: 0.5 },
       };
       const workspaceSettingsContent = {
         general: {},
-        model: { chatCompression: { contextPercentageThreshold: 0.8 } },
+        model: { compressionThreshold: 0.8 },
       };
 
       (fs.readFileSync as Mock).mockImplementation(
@@ -1127,15 +1127,11 @@ describe('Settings Loading and Merging', () => {
 
       const settings = loadSettings(MOCK_WORKSPACE_DIR);
 
-      expect(settings.user.settings.model?.chatCompression).toEqual({
-        contextPercentageThreshold: 0.5,
-      });
-      expect(settings.workspace.settings.model?.chatCompression).toEqual({
-        contextPercentageThreshold: 0.8,
-      });
-      expect(settings.merged.model?.chatCompression).toEqual({
-        contextPercentageThreshold: 0.8,
-      });
+      expect(settings.user.settings.model?.compressionThreshold).toEqual(0.5);
+      expect(settings.workspace.settings.model?.compressionThreshold).toEqual(
+        0.8,
+      );
+      expect(settings.merged.model?.compressionThreshold).toEqual(0.8);
     });
 
     it('should merge output format settings, with workspace taking precedence', () => {
@@ -1162,13 +1158,13 @@ describe('Settings Loading and Merging', () => {
       expect(settings.merged.output?.format).toBe('json');
     });
 
-    it('should handle chatCompression when only in user settings', () => {
+    it('should handle compressionThreshold when only in user settings', () => {
       (mockFsExistsSync as Mock).mockImplementation(
         (p: fs.PathLike) => p === USER_SETTINGS_PATH,
       );
       const userSettingsContent = {
         general: {},
-        model: { chatCompression: { contextPercentageThreshold: 0.5 } },
+        model: { compressionThreshold: 0.5 },
       };
       (fs.readFileSync as Mock).mockImplementation(
         (p: fs.PathOrFileDescriptor) => {
@@ -1179,9 +1175,7 @@ describe('Settings Loading and Merging', () => {
       );
 
       const settings = loadSettings(MOCK_WORKSPACE_DIR);
-      expect(settings.merged.model?.chatCompression).toEqual({
-        contextPercentageThreshold: 0.5,
-      });
+      expect(settings.merged.model?.compressionThreshold).toEqual(0.5);
     });
 
     it('should have model as undefined if not in any settings file', () => {
@@ -1191,39 +1185,15 @@ describe('Settings Loading and Merging', () => {
       expect(settings.merged.model).toBeUndefined();
     });
 
-    it('should ignore chatCompression if contextPercentageThreshold is invalid', () => {
-      const warnSpy = vi.spyOn(console, 'warn').mockImplementation(() => {});
-      (mockFsExistsSync as Mock).mockImplementation(
-        (p: fs.PathLike) => p === USER_SETTINGS_PATH,
-      );
-      const userSettingsContent = {
-        general: {},
-        model: { chatCompression: { contextPercentageThreshold: 1.5 } },
-      };
-      (fs.readFileSync as Mock).mockImplementation(
-        (p: fs.PathOrFileDescriptor) => {
-          if (p === USER_SETTINGS_PATH)
-            return JSON.stringify(userSettingsContent);
-          return '{}';
-        },
-      );
-
-      const settings = loadSettings(MOCK_WORKSPACE_DIR);
-      expect(settings.merged.model?.chatCompression).toEqual({
-        contextPercentageThreshold: 1.5,
-      });
-      warnSpy.mockRestore();
-    });
-
-    it('should deep merge chatCompression settings', () => {
+    it('should use user compressionThreshold if workspace does not define it', () => {
       (mockFsExistsSync as Mock).mockReturnValue(true);
       const userSettingsContent = {
         general: {},
-        model: { chatCompression: { contextPercentageThreshold: 0.5 } },
+        model: { compressionThreshold: 0.5 },
       };
       const workspaceSettingsContent = {
         general: {},
-        model: { chatCompression: {} },
+        model: {},
       };
 
       (fs.readFileSync as Mock).mockImplementation(
@@ -1238,9 +1208,7 @@ describe('Settings Loading and Merging', () => {
 
       const settings = loadSettings(MOCK_WORKSPACE_DIR);
 
-      expect(settings.merged.model?.chatCompression).toEqual({
-        contextPercentageThreshold: 0.5,
-      });
+      expect(settings.merged.model?.compressionThreshold).toEqual(0.5);
     });
 
     it('should merge includeDirectories from all scopes', () => {
@@ -2025,9 +1993,6 @@ describe('Settings Loading and Merging', () => {
         },
         model: {
           name: 'gemini-pro',
-          chatCompression: {
-            contextPercentageThreshold: 0.5,
-          },
         },
         mcpServers: {
           'server-1': {
@@ -2046,9 +2011,6 @@ describe('Settings Loading and Merging', () => {
           myTheme: {},
         },
         model: 'gemini-pro',
-        chatCompression: {
-          contextPercentageThreshold: 0.5,
-        },
         mcpServers: {
           'server-1': {
             command: 'node server.js',
@@ -2088,9 +2050,6 @@ describe('Settings Loading and Merging', () => {
         },
         model: {
           name: 'gemini-pro',
-          chatCompression: {
-            contextPercentageThreshold: 0.8,
-          },
         },
         context: {
           fileName: 'CONTEXT.md',
@@ -2130,9 +2089,6 @@ describe('Settings Loading and Merging', () => {
         theme: 'dark',
         usageStatisticsEnabled: false,
         model: 'gemini-pro',
-        chatCompression: {
-          contextPercentageThreshold: 0.8,
-        },
         contextFileName: 'CONTEXT.md',
         includeDirectories: ['/src'],
         sandbox: true,

packages/cli/src/config/settings.ts

@@ -64,7 +64,7 @@ const MIGRATION_MAP: Record<string, string> = {
   autoAccept: 'tools.autoAccept',
   autoConfigureMaxOldSpaceSize: 'advanced.autoConfigureMemory',
   bugCommand: 'advanced.bugCommand',
-  chatCompression: 'model.chatCompression',
+  chatCompression: 'model.compressionThreshold',
   checkpointing: 'general.checkpointing',
   coreTools: 'tools.core',
   contextFileName: 'context.fileName',

packages/cli/src/config/settingsSchema.ts

@@ -14,7 +14,6 @@ import type {
   BugCommandSettings,
   TelemetrySettings,
   AuthType,
-  ChatCompressionSettings,
 } from '@google/gemini-cli-core';
 import {
   DEFAULT_TRUNCATE_TOOL_OUTPUT_LINES,
@@ -578,14 +577,15 @@ const SETTINGS_SCHEMA = {
         description: 'Settings for summarizing tool output.',
         showInDialog: false,
       },
-      chatCompression: {
-        type: 'object',
-        label: 'Chat Compression',
+      compressionThreshold: {
+        type: 'number',
+        label: 'Compression Threshold',
         category: 'Model',
         requiresRestart: false,
-        default: undefined as ChatCompressionSettings | undefined,
-        description: 'Chat compression settings.',
-        showInDialog: false,
+        default: 0.2 as number,
+        description:
+          'The fraction of context usage at which to trigger context compression (e.g. 0.2, 0.3).',
+        showInDialog: true,
       },
       skipNextSpeakerCheck: {
         type: 'boolean',

packages/cli/src/ui/contexts/KeypressContext.test.tsx

@@ -872,99 +872,118 @@ describe('Kitty Sequence Parsing', () => {
     vi.useRealTimers();
   });
 
-  // Terminals to test
-  const terminals = ['iTerm2', 'Ghostty', 'MacTerminal', 'VSCodeTerminal'];
+  describe('Cross-terminal Alt key handling (simulating macOS)', () => {
+    let originalPlatform: NodeJS.Platform;
 
-  // Key mappings: letter -> [keycode, accented character]
-  const keys: Record<string, [number, string]> = {
-    a: [97, 'å'],
-    o: [111, 'ø'],
-    m: [109, 'µ'],
-  };
-
-  it.each(
-    terminals.flatMap((terminal) =>
-      Object.entries(keys).map(([key, [keycode, accentedChar]]) => {
-        if (terminal === 'Ghostty') {
-          // Ghostty uses kitty protocol sequences
-          return {
-            terminal,
-            key,
-            chunk: `\x1b[${keycode};3u`,
-            expected: {
-              name: key,
-              ctrl: false,
-              meta: true,
-              shift: false,
-              paste: false,
-              kittyProtocol: true,
-            },
-          };
-        } else if (terminal === 'MacTerminal') {
-          // Mac Terminal sends ESC + letter
-          return {
-            terminal,
-            key,
-            kitty: false,
-            chunk: `\x1b${key}`,
-            expected: {
-              sequence: `\x1b${key}`,
-              name: key,
-              ctrl: false,
-              meta: true,
-              shift: false,
-              paste: false,
-            },
-          };
-        } else {
-          // iTerm2 and VSCode send accented characters (å, ø, µ)
-          // Note: µ (mu) is sent with meta:false on iTerm2/VSCode but
-          // gets converted to m with meta:true
-          return {
-            terminal,
-            key,
-            chunk: accentedChar,
-            expected: {
-              name: key,
-              ctrl: false,
-              meta: true, // Always expect meta:true after conversion
-              shift: false,
-              paste: false,
-              sequence: accentedChar,
-            },
-          };
-        }
-      }),
-    ),
-  )(
-    'should handle Alt+$key in $terminal',
-    ({
-      chunk,
-      expected,
-      kitty = true,
-    }: {
-      chunk: string;
-      expected: Partial<Key>;
-      kitty?: boolean;
-    }) => {
-      const keyHandler = vi.fn();
-      const testWrapper = ({ children }: { children: React.ReactNode }) => (
-        <KeypressProvider kittyProtocolEnabled={kitty}>
-          {children}
-        </KeypressProvider>
-      );
-      const { result } = renderHook(() => useKeypressContext(), {
-        wrapper: testWrapper,
+    beforeEach(() => {
+      originalPlatform = process.platform;
+      Object.defineProperty(process, 'platform', {
+        value: 'darwin',
+        configurable: true,
       });
-      act(() => result.current.subscribe(keyHandler));
+    });
 
-      act(() => stdin.write(chunk));
+    afterEach(() => {
+      Object.defineProperty(process, 'platform', {
+        value: originalPlatform,
+        configurable: true,
+      });
+    });
 
-      expect(keyHandler).toHaveBeenCalledWith(
-        expect.objectContaining(expected),
-      );
-    },
-  );
+    // Terminals to test
+    const terminals = ['iTerm2', 'Ghostty', 'MacTerminal', 'VSCodeTerminal'];
+
+    // Key mappings: letter -> [keycode, accented character]
+    const keys: Record<string, [number, string]> = {
+      b: [98, '\u222B'],
+      f: [102, '\u0192'],
+      m: [109, '\u00B5'],
+    };
+
+    it.each(
+      terminals.flatMap((terminal) =>
+        Object.entries(keys).map(([key, [keycode, accentedChar]]) => {
+          if (terminal === 'Ghostty') {
+            // Ghostty uses kitty protocol sequences
+            return {
+              terminal,
+              key,
+              chunk: `\x1b[${keycode};3u`,
+              expected: {
+                name: key,
+                ctrl: false,
+                meta: true,
+                shift: false,
+                paste: false,
+                kittyProtocol: true,
+              },
+            };
+          } else if (terminal === 'MacTerminal') {
+            // Mac Terminal sends ESC + letter
+            return {
+              terminal,
+              key,
+              kitty: false,
+              chunk: `\x1b${key}`,
+              expected: {
+                sequence: `\x1b${key}`,
+                name: key,
+                ctrl: false,
+                meta: true,
+                shift: false,
+                paste: false,
+              },
+            };
+          } else {
+            // iTerm2 and VSCode send accented characters (å, ø, µ)
+            // Note: µ (mu) is sent with meta:false on iTerm2/VSCode but
+            // gets converted to m with meta:true
+            return {
+              terminal,
+              key,
+              chunk: accentedChar,
+              expected: {
+                name: key,
+                ctrl: false,
+                meta: true, // Always expect meta:true after conversion
+                shift: false,
+                paste: false,
+                sequence: accentedChar,
+              },
+            };
+          }
+        }),
+      ),
+    )(
+      'should handle Alt+$key in $terminal',
+      ({
+        chunk,
+        expected,
+        kitty = true,
+      }: {
+        chunk: string;
+        expected: Partial<Key>;
+        kitty?: boolean;
+      }) => {
+        const keyHandler = vi.fn();
+        const testWrapper = ({ children }: { children: React.ReactNode }) => (
+          <KeypressProvider kittyProtocolEnabled={kitty}>
+            {children}
+          </KeypressProvider>
+        );
+        const { result } = renderHook(() => useKeypressContext(), {
+          wrapper: testWrapper,
+        });
+        act(() => result.current.subscribe(keyHandler));
+
+        act(() => stdin.write(chunk));
+
+        expect(keyHandler).toHaveBeenCalledWith(
+          expect.objectContaining(expected),
+        );
+      },
+    );
+  });
 
   describe('Backslash key handling', () => {
     beforeEach(() => {

packages/cli/src/ui/contexts/KeypressContext.tsx

@@ -48,33 +48,12 @@ export const PASTE_CODE_TIMEOUT_MS = 50; // Flush incomplete paste code after 50
 export const SINGLE_QUOTE = "'";
 export const DOUBLE_QUOTE = '"';
 
-const ALT_KEY_CHARACTER_MAP: Record<string, string> = {
-  '\u00E5': 'a',
-  '\u222B': 'b',
-  '\u00E7': 'c',
-  '\u2202': 'd',
-  '\u00B4': 'e',
-  '\u0192': 'f',
-  '\u00A9': 'g',
-  '\u02D9': 'h',
-  '\u02C6': 'i',
-  '\u2206': 'j',
-  '\u02DA': 'k',
-  '\u00AC': 'l',
-  '\u00B5': 'm',
-  '\u02DC': 'n',
-  '\u00F8': 'o',
-  '\u03C0': 'p',
-  '\u0153': 'q',
-  '\u00AE': 'r',
-  '\u00DF': 's',
-  '\u2020': 't',
-  '\u00A8': 'u',
-  '\u221A': 'v',
-  '\u2211': 'w',
-  '\u2248': 'x',
-  '\u00A5': 'y',
-  '\u03A9': 'z',
+// On Mac, hitting alt+char will yield funny characters.
+// Remap these three since we listen for them.
+const MAC_ALT_KEY_CHARACTER_MAP: Record<string, string> = {
+  '\u222B': 'b', // "∫" back one word
+  '\u0192': 'f', // "ƒ" forward one word
+  '\u00B5': 'm', // "µ" toggle markup view
 };
 
 /**
@@ -615,8 +594,8 @@ export function KeypressProvider({
         return;
       }
 
-      const mappedLetter = ALT_KEY_CHARACTER_MAP[key.sequence];
-      if (mappedLetter && !key.meta) {
+      const mappedLetter = MAC_ALT_KEY_CHARACTER_MAP[key.sequence];
+      if (process.platform === 'darwin' && mappedLetter && !key.meta) {
         broadcast({
           name: mappedLetter,
           ctrl: false,

packages/core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli-core",
-  "version": "0.12.0-nightly.20251022.0542de95",
+  "version": "0.12.0-preview.7",
   "description": "Gemini CLI Core",
   "repository": {
     "type": "git",

packages/core/src/config/config.test.ts

@@ -563,7 +563,7 @@ describe('Server Config (config.ts)', () => {
         useModelRouter: true,
       });
       await config.refreshAuth(AuthType.LOGIN_WITH_GOOGLE);
-      expect(config.getUseModelRouter()).toBe(false);
+      expect(config.getUseModelRouter()).toBe(true);
     });
 
     it('should enable model router by default for other auth types', async () => {

packages/core/src/config/config.ts

@@ -92,10 +92,6 @@ export interface BugCommandSettings {
   urlTemplate: string;
 }
 
-export interface ChatCompressionSettings {
-  contextPercentageThreshold?: number;
-}
-
 export interface SummarizeToolOutputSettings {
   tokenBudget?: number;
 }
@@ -261,7 +257,7 @@ export interface ConfigParameters {
   folderTrust?: boolean;
   ideMode?: boolean;
   loadMemoryFromIncludeDirectories?: boolean;
-  chatCompression?: ChatCompressionSettings;
+  compressionThreshold?: number;
   interactive?: boolean;
   trustedFolder?: boolean;
   useRipgrep?: boolean;
@@ -357,7 +353,7 @@ export class Config {
     | undefined;
   private readonly experimentalZedIntegration: boolean = false;
   private readonly loadMemoryFromIncludeDirectories: boolean = false;
-  private readonly chatCompression: ChatCompressionSettings | undefined;
+  private readonly compressionThreshold: number | undefined;
   private readonly interactive: boolean;
   private readonly ptyInfo: string;
   private readonly trustedFolder: boolean | undefined;
@@ -460,7 +456,7 @@ export class Config {
     this.ideMode = params.ideMode ?? false;
     this.loadMemoryFromIncludeDirectories =
       params.loadMemoryFromIncludeDirectories ?? false;
-    this.chatCompression = params.chatCompression;
+    this.compressionThreshold = params.compressionThreshold;
     this.interactive = params.interactive ?? false;
     this.ptyInfo = params.ptyInfo ?? 'child_process';
     this.trustedFolder = params.trustedFolder;
@@ -483,9 +479,7 @@ export class Config {
     this.useWriteTodos = params.useWriteTodos ?? false;
     this.initialUseModelRouter = params.useModelRouter ?? false;
     this.useModelRouter = this.initialUseModelRouter;
-    this.disableModelRouterForAuth = params.disableModelRouterForAuth ?? [
-      AuthType.LOGIN_WITH_GOOGLE,
-    ];
+    this.disableModelRouterForAuth = params.disableModelRouterForAuth ?? [];
     this.enableMessageBusIntegration =
       params.enableMessageBusIntegration ?? false;
     this.codebaseInvestigatorSettings = {
@@ -994,8 +988,8 @@ export class Config {
     this.fileSystemService = fileSystemService;
   }
 
-  getChatCompression(): ChatCompressionSettings | undefined {
-    return this.chatCompression;
+  getCompressionThreshold(): number | undefined {
+    return this.compressionThreshold;
   }
 
   isInteractiveShellEnabled(): boolean {

packages/core/src/mcp/oauth-token-storage.test.ts

@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import { coreEvents } from '@google/gemini-cli-core';
+import { coreEvents } from '../utils/events.js';
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import { promises as fs } from 'node:fs';
 import * as path from 'node:path';
@@ -34,7 +34,7 @@ vi.mock('../config/storage.js', () => ({
   },
 }));
 
-vi.mock('@google/gemini-cli-core', () => ({
+vi.mock('../utils/events.js', () => ({
   coreEvents: {
     emitFeedback: vi.fn(),
   },

packages/core/src/mcp/oauth-token-storage.ts

@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import { coreEvents } from '@google/gemini-cli-core';
+import { coreEvents } from '../utils/events.js';
 import { promises as fs } from 'node:fs';
 import * as path from 'node:path';
 import { Storage } from '../config/storage.js';

packages/core/src/services/chatCompressionService.test.ts

@@ -72,7 +72,7 @@ describe('findCompressSplitPoint', () => {
     expect(findCompressSplitPoint(history, 0.8)).toBe(4);
   });
 
-  it('should return earlier splitpoint if no valid ones are after threshhold', () => {
+  it('should return earlier splitpoint if no valid ones are after threshold', () => {
     const history: Content[] = [
       { role: 'user', parts: [{ text: 'This is the first message.' }] },
       { role: 'model', parts: [{ text: 'This is the second message.' }] },
@@ -116,7 +116,7 @@ describe('ChatCompressionService', () => {
       getHistory: vi.fn(),
     } as unknown as GeminiChat;
     mockConfig = {
-      getChatCompression: vi.fn(),
+      getCompressionThreshold: vi.fn(),
       getContentGenerator: vi.fn(),
     } as unknown as Config;
 

packages/core/src/services/chatCompressionService.ts

@@ -17,10 +17,10 @@ import { makeChatCompressionEvent } from '../telemetry/types.js';
 import { getInitialChatHistory } from '../utils/environmentContext.js';
 
 /**
- * Threshold for compression token count as a fraction of the model's token limit.
- * If the chat history exceeds this threshold, it will be compressed.
+ * Default threshold for compression token count as a fraction of the model's
+ * token limit. If the chat history exceeds this threshold, it will be compressed.
  */
-export const COMPRESSION_TOKEN_THRESHOLD = 0.7;
+export const DEFAULT_COMPRESSION_TOKEN_THRESHOLD = 0.2;
 
 /**
  * The fraction of the latest chat history to keep. A value of 0.3
@@ -104,13 +104,10 @@ export class ChatCompressionService {
 
     const originalTokenCount = uiTelemetryService.getLastPromptTokenCount();
 
-    const contextPercentageThreshold =
-      config.getChatCompression()?.contextPercentageThreshold;
-
     // Don't compress if not forced and we are under the limit.
     if (!force) {
       const threshold =
-        contextPercentageThreshold ?? COMPRESSION_TOKEN_THRESHOLD;
+        config.getCompressionThreshold() ?? DEFAULT_COMPRESSION_TOKEN_THRESHOLD;
       if (originalTokenCount < threshold * tokenLimit(model)) {
         return {
           newHistory: null,

packages/core/src/telemetry/loggers.test.ts

@@ -786,12 +786,16 @@ describe('loggers', () => {
 
     const mockMetrics = {
       recordToolCallMetrics: vi.fn(),
+      recordLinesChanged: vi.fn(),
     };
 
     beforeEach(() => {
       vi.spyOn(metrics, 'recordToolCallMetrics').mockImplementation(
         mockMetrics.recordToolCallMetrics,
       );
+      vi.spyOn(metrics, 'recordLinesChanged').mockImplementation(
+        mockMetrics.recordLinesChanged,
+      );
       mockLogger.emit.mockReset();
     });
 
@@ -888,10 +892,6 @@ describe('loggers', () => {
           success: true,
           decision: ToolCallDecision.ACCEPT,
           tool_type: 'native',
-          model_added_lines: 1,
-          model_removed_lines: 2,
-          user_added_lines: 5,
-          user_removed_lines: 6,
         },
       );
 
@@ -900,6 +900,19 @@ describe('loggers', () => {
         'event.name': EVENT_TOOL_CALL,
         'event.timestamp': '2025-01-01T00:00:00.000Z',
       });
+
+      expect(mockMetrics.recordLinesChanged).toHaveBeenCalledWith(
+        mockConfig,
+        1,
+        'added',
+        { function_name: 'test-function' },
+      );
+      expect(mockMetrics.recordLinesChanged).toHaveBeenCalledWith(
+        mockConfig,
+        2,
+        'removed',
+        { function_name: 'test-function' },
+      );
     });
     it('should log a tool call with a reject decision', () => {
       const call: ErroredToolCall = {

packages/core/src/telemetry/loggers.ts

@@ -63,6 +63,7 @@ import {
   recordTokenUsageMetrics,
   recordApiResponseMetrics,
   recordAgentRunMetrics,
+  recordLinesChanged,
 } from './metrics.js';
 import { isTelemetrySdkInitialized } from './sdk.js';
 import type { UiEvent } from './uiTelemetry.js';
@@ -118,15 +119,22 @@ export function logToolCall(config: Config, event: ToolCallEvent): void {
     success: event.success,
     decision: event.decision,
     tool_type: event.tool_type,
-    ...(event.metadata
-      ? {
-          model_added_lines: event.metadata['model_added_lines'],
-          model_removed_lines: event.metadata['model_removed_lines'],
-          user_added_lines: event.metadata['user_added_lines'],
-          user_removed_lines: event.metadata['user_removed_lines'],
-        }
-      : {}),
   });
+
+  if (event.metadata) {
+    const added = event.metadata['model_added_lines'];
+    if (typeof added === 'number' && added > 0) {
+      recordLinesChanged(config, added, 'added', {
+        function_name: event.function_name,
+      });
+    }
+    const removed = event.metadata['model_removed_lines'];
+    if (typeof removed === 'number' && removed > 0) {
+      recordLinesChanged(config, removed, 'removed', {
+        function_name: event.function_name,
+      });
+    }
+  }
 }
 
 export function logToolOutputTruncated(

packages/core/src/telemetry/metrics.test.ts

@@ -94,6 +94,7 @@ describe('Telemetry Metrics', () => {
   let recordFlickerFrameModule: typeof import('./metrics.js').recordFlickerFrame;
   let recordExitFailModule: typeof import('./metrics.js').recordExitFail;
   let recordAgentRunMetricsModule: typeof import('./metrics.js').recordAgentRunMetrics;
+  let recordLinesChangedModule: typeof import('./metrics.js').recordLinesChanged;
 
   beforeEach(async () => {
     vi.resetModules();
@@ -136,6 +137,7 @@ describe('Telemetry Metrics', () => {
     recordFlickerFrameModule = metricsJsModule.recordFlickerFrame;
     recordExitFailModule = metricsJsModule.recordExitFail;
     recordAgentRunMetricsModule = metricsJsModule.recordAgentRunMetrics;
+    recordLinesChangedModule = metricsJsModule.recordLinesChanged;
 
     const otelApiModule = await import('@opentelemetry/api');
 
@@ -348,6 +350,53 @@ describe('Telemetry Metrics', () => {
     });
   });
 
+  describe('recordLinesChanged metric', () => {
+    const mockConfig = {
+      getSessionId: () => 'test-session-id',
+      getTelemetryEnabled: () => true,
+    } as unknown as Config;
+
+    it('should not record lines added/removed if not initialized', () => {
+      recordLinesChangedModule(mockConfig, 10, 'added', {
+        function_name: 'fn',
+      });
+      recordLinesChangedModule(mockConfig, 5, 'removed', {
+        function_name: 'fn',
+      });
+      expect(mockCounterAddFn).not.toHaveBeenCalled();
+    });
+
+    it('should record lines added with function_name after initialization', () => {
+      initializeMetricsModule(mockConfig);
+      mockCounterAddFn.mockClear();
+      recordLinesChangedModule(mockConfig, 10, 'added', {
+        function_name: 'my-fn',
+      });
+      expect(mockCounterAddFn).toHaveBeenCalledWith(10, {
+        'session.id': 'test-session-id',
+        'installation.id': 'test-installation-id',
+        'user.email': 'test@example.com',
+        type: 'added',
+        function_name: 'my-fn',
+      });
+    });
+
+    it('should record lines removed with function_name after initialization', () => {
+      initializeMetricsModule(mockConfig);
+      mockCounterAddFn.mockClear();
+      recordLinesChangedModule(mockConfig, 7, 'removed', {
+        function_name: 'my-fn',
+      });
+      expect(mockCounterAddFn).toHaveBeenCalledWith(7, {
+        'session.id': 'test-session-id',
+        'installation.id': 'test-installation-id',
+        'user.email': 'test@example.com',
+        type: 'removed',
+        function_name: 'my-fn',
+      });
+    });
+  });
+
   describe('recordFileOperationMetric', () => {
     const mockConfig = {
       getSessionId: () => 'test-session-id',

packages/core/src/telemetry/metrics.ts

@@ -24,6 +24,7 @@ const API_REQUEST_LATENCY = 'gemini_cli.api.request.latency';
 const TOKEN_USAGE = 'gemini_cli.token.usage';
 const SESSION_COUNT = 'gemini_cli.session.count';
 const FILE_OPERATION_COUNT = 'gemini_cli.file.operation.count';
+const LINES_CHANGED = 'gemini_cli.lines.changed';
 const INVALID_CHUNK_COUNT = 'gemini_cli.chat.invalid_chunk.count';
 const CONTENT_RETRY_COUNT = 'gemini_cli.chat.content_retry.count';
 const CONTENT_RETRY_FAILURE_COUNT =
@@ -72,11 +73,6 @@ const COUNTER_DEFINITIONS = {
       success: boolean;
       decision?: 'accept' | 'reject' | 'modify' | 'auto_accept';
       tool_type?: 'native' | 'mcp';
-      // Optional diff statistics for file-modifying tools
-      model_added_lines?: number;
-      model_removed_lines?: number;
-      user_added_lines?: number;
-      user_removed_lines?: number;
     },
   },
   [API_REQUEST_COUNT]: {
@@ -116,6 +112,15 @@ const COUNTER_DEFINITIONS = {
       programming_language?: string;
     },
   },
+  [LINES_CHANGED]: {
+    description: 'Number of lines changed (from file diffs).',
+    valueType: ValueType.INT,
+    assign: (c: Counter) => (linesChangedCounter = c),
+    attributes: {} as {
+      function_name?: string;
+      type: 'added' | 'removed';
+    },
+  },
   [INVALID_CHUNK_COUNT]: {
     description: 'Counts invalid chunks received from a stream.',
     valueType: ValueType.INT,
@@ -454,6 +459,7 @@ let apiRequestLatencyHistogram: Histogram | undefined;
 let tokenUsageCounter: Counter | undefined;
 let sessionCounter: Counter | undefined;
 let fileOperationCounter: Counter | undefined;
+let linesChangedCounter: Counter | undefined;
 let chatCompressionCounter: Counter | undefined;
 let invalidChunkCounter: Counter | undefined;
 let contentRetryCounter: Counter | undefined;
@@ -621,6 +627,21 @@ export function recordFileOperationMetric(
   });
 }
 
+export function recordLinesChanged(
+  config: Config,
+  lines: number,
+  changeType: 'added' | 'removed',
+  attributes?: { function_name?: string },
+): void {
+  if (!linesChangedCounter || !isMetricsInitialized) return;
+  if (!Number.isFinite(lines) || lines <= 0) return;
+  linesChangedCounter.add(lines, {
+    ...baseMetricDefinition.getCommonAttributes(config),
+    type: changeType,
+    ...(attributes ?? {}),
+  });
+}
+
 // --- New Metric Recording Functions ---
 
 /**

packages/test-utils/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli-test-utils",
-  "version": "0.12.0-nightly.20251022.0542de95",
+  "version": "0.12.0-preview.7",
   "private": true,
   "main": "src/index.ts",
   "license": "Apache-2.0",

packages/vscode-ide-companion/package.json

@@ -2,7 +2,7 @@
   "name": "gemini-cli-vscode-ide-companion",
   "displayName": "Gemini CLI Companion",
   "description": "Enable Gemini CLI with direct access to your IDE workspace.",
-  "version": "0.12.0-nightly.20251022.0542de95",
+  "version": "0.12.0-preview.7",
   "publisher": "google",
   "icon": "assets/icon.png",
   "repository": {