google cua docs (#1111)

# why

# what changed

# test plan

Author: jay-sahnan

docs/basics/agent.mdx

@@ -30,28 +30,28 @@ There are two ways to create agents in Stagehand:
 
 ### Computer Use Agents
 
-Use computer use agents with specialized models from OpenAI or Anthropic: 
+Use computer use agents with specialized models from OpenAI, Anthropic, or Google: 
 
 <CodeGroup>
 ```typescript TypeScript
 const agent = stagehand.agent({
-  provider: "anthropic",
-  model: "claude-sonnet-4-20250514",
+  provider: "google",
+  model: "gemini-2.5-computer-use-preview-10-2025",
   instructions: "You are a helpful assistant that can use a web browser.",
   options: {
-    apiKey: process.env.ANTHROPIC_API_KEY,
+    apiKey: process.env.GOOGLE_API_KEY,
   },
 });
 await agent.execute("apply for a job at Browserbase")
 ```
 
 ```python Python
 agent = stagehand.agent({
-    "provider": "anthropic",
-    "model": "claude-sonnet-4-20250514",
+    "provider": "google",
+    "model": "gemini-2.5-computer-use-preview-10-2025",
     "instructions": "You are a helpful assistant that can use a web browser.",
     "options": {
-      "apiKey": os.getenv("ANTHROPIC_API_KEY"),
+      "apiKey": os.getenv("GOOGLE_API_KEY"),
     },
 })
 await agent.execute("apply for a job at Browserbase")
@@ -77,14 +77,14 @@ Agents can be enhanced with external tools and services through MCP (Model Conte
 <CodeGroup>
 ```typescript TypeScript (Pass URL)
 const agent = stagehand.agent({
-  provider: "openai",
-  model: "computer-use-preview",
+  provider: "google",
+  model: "gemini-2.5-computer-use-preview-10-2025",
   integrations: [
     `https://mcp.exa.ai/mcp?exaApiKey=${process.env.EXA_API_KEY}`,
   ],
   instructions: `You have access to web search through Exa. Use it to find current information before browsing.`,
   options: {
-    apiKey: process.env.OPENAI_API_KEY,
+    apiKey: process.env.GOOGLE_API_KEY,
   },
 });
 
@@ -99,12 +99,12 @@ const supabaseClient = await connectToMCPServer(
 );
 
 const agent = stagehand.agent({
-  provider: "openai",
-  model: "computer-use-preview",
+  provider: "google",
+  model: "gemini-2.5-computer-use-preview-10-2025",
   integrations: [supabaseClient],
   instructions: `You can interact with Supabase databases. Use these tools to store and retrieve data.`,
   options: {
-    apiKey: process.env.OPENAI_API_KEY,
+    apiKey: process.env.GOOGLE_API_KEY,
   },
 });
 
@@ -123,7 +123,7 @@ Stagehand uses a 1024x768 viewport by default (the optimal size for Computer Use
 
 ## Available Models
 
-Use specialized computer use models (e.g., `computer-use-preview` from OpenAI or `claude-sonnet-4-20250514` from Anthropic)
+Use specialized computer use models (e.g., `gemini-2.5-computer-use-preview-10-2025` from Google or `claude-sonnet-4-20250514` from Anthropic)
 
 <Card title="Available Models" icon="robot" href="/configuration/models">
   Check out the guide on how to use different models with Stagehand.

docs/references/agent.mdx

@@ -23,7 +23,7 @@ const agent = stagehand.agent(config: AgentConfig): AgentInstance
 **AgentConfig Interface:**
 ```typescript
 interface AgentConfig {
-  provider?: AgentProviderType;  // "openai" | "anthropic"
+  provider?: AgentProviderType;  // "openai" | "anthropic" | "google"
   model?: string;
   instructions?: string;
   options?: Record<string, unknown>;
@@ -59,15 +59,18 @@ agent = stagehand.agent({
 <ParamField path="provider" type="AgentProviderType" optional>
   AI provider for agent functionality.
 
-  **Options:** `"anthropic"`, `"openai"`
+  **Options:** `"anthropic"`, `"openai"`, `"google"`
 </ParamField>
 
 <ParamField path="model" type="string" optional>
   Specific model for agent execution.
-  
+
   **Anthropic:** `"claude-sonnet-4-20250514"`, `"claude-3-5-sonnet-20241022"`
 
   **OpenAI:** `"computer-use-preview"`, `"gpt-4o"`
+
+  **Google:** `"gemini-2.5-computer-use-preview-10-2025"`
+
 </ParamField>
 
 <ParamField path="instructions" type="string" optional>