[Docs] Document Gemini 3.7 Flash support

docs/providers/gemini.md

@@ -32,9 +32,9 @@ Zoo Code supports Google's Gemini family of models through the Google AI Gemini
 
 ## Available Models
 
-Zoo Code supports all Gemini models available through Google's API and automatically tracks Google's latest stable releases.
+Zoo Code's model catalog includes Gemini 3.7 Flash (`gemini-3.7-flash`), Google's generally available workhorse model for agentic coding and complex tasks. It supports text, image, video, audio, and PDF input, with a 1,048,576-token context window, up to 65,536 output tokens, and configurable `minimal`, `low`, `medium`, or `high` reasoning effort without a reasoning budget.
 
-For the complete, up-to-date model list and capabilities, see [Google's Gemini models documentation](https://ai.google.dev/models/gemini).
+For Google's complete, up-to-date model list and capabilities, see [the Gemini models documentation](https://ai.google.dev/gemini-api/docs/models).
 
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@@ -108,6 +108,7 @@ Search for the latest Node.js security vulnerabilities and then analyze my packa
 ## Tips and Notes
 
 *   **Pricing:**  Gemini API usage is priced based on input and output tokens. URL context and search grounding may incur additional costs. Some experimental models are available for free. Refer to the [Gemini pricing page](https://ai.google.dev/pricing) for detailed information.
+*   **Gemini 3.7 Flash introductory pricing:** Google lists Gemini 3.7 Flash at $0.75 per million input tokens and $3.75 per million output tokens through December 31, 2026. Standard pricing begins January 1, 2027.
 *   **Model Selection:** Choose models based on your needs:
     - **Flash models:** Faster and more cost-effective for most tasks
     - **Pro models:** Better for complex reasoning and analysis

docs/providers/vertex.md

@@ -37,6 +37,8 @@ Zoo Code supports accessing models through Google Cloud Platform's Vertex AI, a
 
 Zoo Code supports all models available through Google Cloud Vertex AI, including Anthropic Claude, Google Gemini, and MAAS (Model as a Service) offerings.
 
+Gemini 3.7 Flash is available as `gemini-3.7-flash`. It is generally available on the global endpoint with a 1,048,576-token context window, up to 65,536 output tokens, multimodal input, and configurable reasoning effort.
+
 For the complete, up-to-date model list and IDs, see [Vertex AI's models documentation](https://cloud.google.com/vertex-ai/generative-ai/docs/learn/models).
 
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@@ -61,7 +63,7 @@ For the complete, up-to-date model list and IDs, see [Vertex AI's models documen
     *   Or provide the file path in **Google Cloud Key File Path** field
 
 4.  **Enter Project ID:** Enter your Google Cloud Project ID.
-5.  **Select Region:** Choose the region where your Vertex AI resources are located (e.g., `us-east5`).
+5.  **Select Region:** Choose the region where your Vertex AI resources are located (e.g., `us-east5`). For Gemini 3.7 Flash, select `global`.
 6.  **Select Model:** Choose your desired model from the "Model" dropdown.
 
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@@ -110,3 +112,4 @@ URL Context and Google Search Grounding options only appear when a Gemini model
 
 *   **Permissions:** Ensure your Google Cloud account has the necessary permissions to access Vertex AI and the specific models you want to use.
 *   **Pricing:** Refer to the [Vertex AI pricing](https://cloud.google.com/vertex-ai/pricing) page for details. 
+*   **Gemini 3.7 Flash introductory pricing:** Google lists Gemini 3.7 Flash at $0.75 per million input tokens and $3.75 per million output tokens through December 31, 2026. Standard pricing begins January 1, 2027.