fix(auth): update terminology to 'sign in' and 'sign out' (google-gemini#20892)

Co-authored-by: Jacob Richman <jacob314@gmail.com>

Author: 2 people

README.md

@@ -147,7 +147,7 @@ Integrate Gemini CLI directly into your GitHub workflows with
 
 Choose the authentication method that best fits your needs:
 
-### Option 1: Login with Google (OAuth login using your Google Account)
+### Option 1: Sign in with Google (OAuth login using your Google Account)
 
 **✨ Best for:** Individual developers as well as anyone who has a Gemini Code
 Assist License. (see
@@ -161,7 +161,7 @@ for details)
 - **No API key management** - just sign in with your Google account
 - **Automatic updates** to latest models
 
-#### Start Gemini CLI, then choose _Login with Google_ and follow the browser authentication flow when prompted
+#### Start Gemini CLI, then choose _Sign in with Google_ and follow the browser authentication flow when prompted
 
 ```bash
 gemini

docs/cli/settings.md

@@ -66,7 +66,7 @@ they appear in the UI.
 | Show Line Numbers                    | `ui.showLineNumbers`                   | Show line numbers in the chat.                                                                                                                                    | `true`   |
 | Show Citations                       | `ui.showCitations`                     | Show citations for generated text in the chat.                                                                                                                    | `false`  |
 | Show Model Info In Chat              | `ui.showModelInfoInChat`               | Show the model name in the chat for each model turn.                                                                                                              | `false`  |
-| Show User Identity                   | `ui.showUserIdentity`                  | Show the logged-in user's identity (e.g. email) in the UI.                                                                                                        | `true`   |
+| Show User Identity                   | `ui.showUserIdentity`                  | Show the signed-in user's identity (e.g. email) in the UI.                                                                                                        | `true`   |
 | Use Alternate Screen Buffer          | `ui.useAlternateBuffer`                | Use an alternate screen buffer for the UI, preserving shell history.                                                                                              | `false`  |
 | Use Background Color                 | `ui.useBackgroundColor`                | Whether to use background colors in the UI.                                                                                                                       | `true`   |
 | Incremental Rendering                | `ui.incrementalRendering`              | Enable incremental rendering for the UI. This option will reduce flickering but may cause rendering artifacts. Only supported when useAlternateBuffer is enabled. | `true`   |

docs/core/subagents.md

@@ -194,7 +194,7 @@ returns coordinates and element descriptions that the browser agent uses with
 the `click_at` tool for precise, coordinate-based interactions.
 
 > **Note:** The visual agent requires API key or Vertex AI authentication. It is
-> not available when using Google Login.
+> not available when using "Sign in with Google".
 
 ## Creating custom subagents
 

docs/get-started/authentication.md

@@ -17,8 +17,8 @@ Select the authentication method that matches your situation in the table below:
 
 | User Type / Scenario                                                   | Recommended Authentication Method                                | Google Cloud Project Required                               |
 | :--------------------------------------------------------------------- | :--------------------------------------------------------------- | :---------------------------------------------------------- |
-| Individual Google accounts                                             | [Login with Google](#login-google)                               | No, with exceptions                                         |
-| Organization users with a company, school, or Google Workspace account | [Login with Google](#login-google)                               | [Yes](#set-gcp)                                             |
+| Individual Google accounts                                             | [Sign in with Google](#login-google)                             | No, with exceptions                                         |
+| Organization users with a company, school, or Google Workspace account | [Sign in with Google](#login-google)                             | [Yes](#set-gcp)                                             |
 | AI Studio user with a Gemini API key                                   | [Use Gemini API Key](#gemini-api)                                | No                                                          |
 | Google Cloud Vertex AI user                                            | [Vertex AI](#vertex-ai)                                          | [Yes](#set-gcp)                                             |
 | [Headless mode](#headless)                                             | [Use Gemini API Key](#gemini-api) or<br> [Vertex AI](#vertex-ai) | No (for Gemini API Key)<br> [Yes](#set-gcp) (for Vertex AI) |
@@ -36,7 +36,7 @@ Select the authentication method that matches your situation in the table below:
   [Google AI Ultra for Business](https://support.google.com/a/answer/16345165)
   subscriptions.
 
-## (Recommended) Login with Google <a id="login-google"></a>
+## (Recommended) Sign in with Google <a id="login-google"></a>
 
 If you run Gemini CLI on your local machine, the simplest authentication method
 is logging in with your Google account. This method requires a web browser on a
@@ -54,9 +54,9 @@ To authenticate and use Gemini CLI:
    gemini
    ```
 
-2. Select **Login with Google**. Gemini CLI opens a login prompt using your web
-   browser. Follow the on-screen instructions. Your credentials will be cached
-   locally for future sessions.
+2. Select **Sign in with Google**. Gemini CLI opens a sign in prompt using your
+   web browser. Follow the on-screen instructions. Your credentials will be
+   cached locally for future sessions.
 
 ### Do I need to set my Google Cloud project?
 
@@ -391,7 +391,7 @@ on this page.
 [Headless mode](../cli/headless) will use your existing authentication method,
 if an existing authentication credential is cached.
 
-If you have not already logged in with an authentication credential, you must
+If you have not already signed in with an authentication credential, you must
 configure authentication using environment variables:
 
 - [Use Gemini API Key](#gemini-api)

docs/get-started/index.md

@@ -38,7 +38,7 @@ cases, you can log in with your existing Google account:
    ```
 
 2. When asked "How would you like to authenticate for this project?" select **1.
-   Login with Google**.
+   Sign in with Google**.
 
 3. Select your Google account.
 

docs/reference/configuration.md

@@ -297,7 +297,7 @@ their corresponding top-level category object in your `settings.json` file.
   - **Default:** `false`
 
 - **`ui.showUserIdentity`** (boolean):
-  - **Description:** Show the logged-in user's identity (e.g. email) in the UI.
+  - **Description:** Show the signed-in user's identity (e.g. email) in the UI.
   - **Default:** `true`
 
 - **`ui.useAlternateBuffer`** (boolean):

docs/release-confidence.md

@@ -79,8 +79,8 @@ manually run through this checklist.
   - [ ] Verify version: `gemini --version`
 
 - **Authentication:**
-  - [ ] In interactive mode run `/auth` and verify all login flows work:
-    - [ ] Login With Google
+  - [ ] In interactive mode run `/auth` and verify all sign in flows work:
+    - [ ] Sign in with Google
     - [ ] API Key
     - [ ] Vertex AI
 

docs/resources/tos-privacy.md

@@ -46,7 +46,7 @@ for further information.
 | Gemini Developer API Key | Gemini API - Paid Services   | [Gemini API Terms of Service - Paid Services](https://ai.google.dev/gemini-api/terms#paid-services)     | [Google Privacy Policy](https://policies.google.com/privacy)                                  |
 | Vertex AI GenAI API Key  | Vertex AI GenAI API          | [Google Cloud Platform Terms of Service](https://cloud.google.com/terms/service-terms/)                 | [Google Cloud Privacy Notice](https://cloud.google.com/terms/cloud-privacy-notice)            |
 
-## 1. If you have logged in with your Google account to Gemini Code Assist
+## 1. If you have signed in with your Google account to Gemini Code Assist
 
 For users who use their Google account to access
 [Gemini Code Assist](https://codeassist.google), these Terms of Service and
@@ -68,7 +68,7 @@ Code Assist Standard or Enterprise edition, the terms and privacy policy of
 Gemini Code Assist Standard or Enterprise edition will apply to all your use of
 Gemini Code Assist._
 
-## 2. If you have logged in with a Gemini API key to the Gemini Developer API
+## 2. If you have signed in with a Gemini API key to the Gemini Developer API
 
 If you are using a Gemini API key for authentication with the
 [Gemini Developer API](https://ai.google.dev/gemini-api/docs), these Terms of
@@ -84,7 +84,7 @@ Service and Privacy Notice documents apply:
 - Privacy Notice: The collection and use of your data is described in the
   [Google Privacy Policy](https://policies.google.com/privacy).
 
-## 3. If you have logged in with a Gemini API key to the Vertex AI GenAI API
+## 3. If you have signed in with a Gemini API key to the Vertex AI GenAI API
 
 If you are using a Gemini API key for authentication with a
 [Vertex AI GenAI API](https://cloud.google.com/vertex-ai/generative-ai/docs/reference/rest)

docs/resources/troubleshooting.md

@@ -29,13 +29,13 @@ topics on:
       added to your organization's Gemini Code Assist subscription.
 
 - **Error:
-  `Failed to login. Message: Your current account is not eligible... because it is not currently available in your location.`**
+  `Failed to sign in. Message: Your current account is not eligible... because it is not currently available in your location.`**
   - **Cause:** Gemini CLI does not currently support your location. For a full
     list of supported locations, see the following pages:
     - Gemini Code Assist for individuals:
       [Available locations](https://developers.google.com/gemini-code-assist/resources/available-locations#americas)
 
-- **Error: `Failed to login. Message: Request contains an invalid argument`**
+- **Error: `Failed to sign in. Message: Request contains an invalid argument`**
   - **Cause:** Users with Google Workspace accounts or Google Cloud accounts
     associated with their Gmail accounts may not be able to activate the free
     tier of the Google Code Assist plan.

packages/cli/src/config/settingsSchema.ts

@@ -676,7 +676,7 @@ const SETTINGS_SCHEMA = {
         requiresRestart: false,
         default: true,
         description:
-          "Show the logged-in user's identity (e.g. email) in the UI.",
+          "Show the signed-in user's identity (e.g. email) in the UI.",
         showInDialog: true,
       },
       useAlternateBuffer: {