docs(ai): add AI to sidebar, deprecate Vertex AI, fixup prev/next

Author: mikehardy

docs/ai/usage/index.md

@@ -3,7 +3,7 @@ title: AI Logic
 description: Installation and getting started with Firebase AI Logic.
 icon: //firebase.google.com/static/images/icons/firebase-ai-logic.svg
 next: /analytics/usage
-previous: /remote-config/usage
+previous: /contributing
 ---
 
 # Installation

docs/analytics/usage/index.md

@@ -3,7 +3,7 @@ title: Analytics
 description: Installation and getting started with Analytics.
 icon: //firebase.google.com/static/images/products/icons/run_analytics.svg
 next: /analytics/screen-tracking
-previous: /contributing
+previous: /ai
 ---
 
 # Installation

docs/perf/ky-integration.md

@@ -2,6 +2,7 @@
 title: Performance Monitoring with KY
 description: Monitor HTTP request performance with Firebase Performance Monitoring and KY.
 previous: /perf/axios-integration
+next: /vertexai/usage
 ---
 
 # KY

docs/sidebar.yaml

@@ -17,6 +17,10 @@
   - 'https://invertase.canny.io/react-native-firebase'
 - - Contributing
   - 'https://github.com/invertase/react-native-firebase/blob/main/CONTRIBUTING.md'
+- - AI Logic
+  - - - Usage
+      - '/ai/usage'
+  - '//firebase.google.com/static/images/icons/firebase-ai-logic.svg'
 - - Analytics
   - - - Usage
       - '/analytics/usage'

docs/vertexai/usage/index.md

@@ -2,8 +2,8 @@
 title: VertexAI
 description: Installation and getting started with VertexAI.
 icon: //static.invertase.io/assets/social/firebase-logo.png
-next: /analytics/usage
-previous: /remote-config/usage
+next: /ai/usage
+previous: /perf/ky-integration
 ---
 
 # Installation

packages/vertexai/README.md

@@ -21,27 +21,23 @@
 
 ---
 
-Vertex AI is a fully-managed, unified AI development platform for building and using generative AI. Access and utilize Vertex AI Studio, Agent Builder, and 150+ foundation models including Gemini 1.5 Pro and Gemini 1.5 Flash.
+Vertex AI has been deprecated by Google in favor of the Firebase AI Logic SDK.
 
-[> Learn More](https://firebase.google.com/docs/vertex-ai/)
+Using the Firebase AI Logic SDK with the Vertex AI Gemini API is still generally available (GA).
 
-## Installation
+To start using the new SDK, import the `@react-native-firebase/ai` package and use the modular method `getAI()` to initialize. See details in the [migration guide](https://f
+irebase.google.com/docs/vertex-ai/migrate-to-latest-sdk).
 
-Requires `@react-native-firebase/app` to be installed.
+```javascript
+// BEFORE - using firebase/vertexai
+import { initializeApp } from "firebase/app";
+import { getVertexAI, getGenerativeModel } from "firebase/vertexai"; // Remove this
 
-```bash
-yarn add @react-native-firebase/vertexai
+// AFTER - using firebase/ai
+import { initializeApp } from "firebase/app";
+import { getAI, getGenerativeModel } from "firebase/ai"; // Add this
 ```
 
-## Documentation
-
-- [Quick Start](https://rnfirebase.io/vertexai/usage)
-- [Reference](https://rnfirebase.io/reference/vertexai)
-
-## License
-
-- See [LICENSE](/LICENSE)
-
 ---
 
 <p>