docs: Update documentation for different platforms

BIGQUERY.md

@@ -4,24 +4,22 @@
 
 To install this extension, the Gemini CLI version must be v0.6.0 or above. The version can be found by running: `gemini --version`.
 
-## BigQuery MCP Server (Data Plane: Connecting and Querying)
+## BigQuery Skills (Data Plane: Connecting and Querying)
 
-This section covers connecting to a BigQuery instance.
+This section covers connecting to BigQuery.
 
-1.  **Verify Environment Variables**: Before attempting to connect, confirm with the user that the following environment variables are set in the extension configuration or their shell environment.
+1. **Extension Configuration**: This extension requires several settings (e.g., Project ID, Location). These values are gathered via prompts when you first install or link the extension:
 
-    * `BIGQUERY_PROJECT`: The GCP project ID.
+ * `BIGQUERY_PROJECT`: The GCP project ID.
+ * `BIGQUERY_LOCATION`: (Optional) Location of the BigQuery resources.
 
-2.  **Handle Missing Variables**: If a command fails with an error message containing a placeholder like `${BIGQUERY_PROJECT}`, it signifies a missing environment variable. Inform the user which variable is missing and instruct them to set it.
+ If you need to update any of these values later, use the `gemini extensions config bigquery-data-analytics` command.
 
-3.  **Handle Permission Errors**:
-    * For operations that execute queries and view metadata, the user needs the
-      **BigQuery User** (`roles/bigquery.user`) and **BigQuery Metadata Viewer** (`roles/bigquery.metadataViewer`) role.
-    * For operations that create, or modify datasets and tables, the user neds
-      the **BigQuery Data Editor** (`roles/bigquery.dataEditor`) role.
-    * If an operation fails due to permissions, identify the type of operation
-      and recommend the appropriate role. you can provide these links for
-      assistance:
-        *   Granting Roles: https://cloud.google.com/iam/docs/grant-role-console
-        *   BigQuery Permissions:
-            https://cloud.google.com/iam/docs/roles-permissions/bigquery
+2. **Handle Missing Variables**: If a command fails with an error message containing a placeholder like `${BIGQUERY_PROJECT}`, it signifies a missing environment variable. Inform the user which variable is missing and instruct them to set it.
+
+3. **Handle Permission Errors**:
+ * For operations that execute queries and view metadata, the user needs the **BigQuery User** (`roles/bigquery.user`) and **BigQuery Metadata Viewer** (`roles/bigquery.metadataViewer`) role.
+ * For operations that create, or modify datasets and tables, the user needs the **BigQuery Data Editor** (`roles/bigquery.dataEditor`) role.
+ * If an operation fails due to permissions, identify the type of operation and recommend the appropriate role. You can provide these links for assistance:
+ * Granting Roles: https://cloud.google.com/iam/docs/grant-role-console
+ * BigQuery Permissions: https://cloud.google.com/iam/docs/roles-permissions/bigquery

DEVELOPER.md

@@ -10,13 +10,13 @@ Before you begin, ensure you have the following:
 1.  **Gemini CLI:** Install the Gemini CLI version v0.6.0 or above. Installation
     instructions can be found on the official Gemini CLI documentation. You can
     verify your version by running `gemini --version`.
-2.  **BigQuery Access** For testing data plane tools, you will need access to an active BigQuery dataset.
+2.  **BigQuery Access** For testing data plane skills, you will need access to an active BigQuery dataset.
 
 ## Developing the Extension
 
 ### Running from Local Source
 
-The core logic for this extension is handled by a pre-built `toolbox` binary. The development process involves installing the extension locally into the Gemini CLI to test changes.
+The development process involves installing the extension locally into the Gemini CLI to test changes.
 
 1.  **Clone the Repository:**
 
@@ -25,29 +25,16 @@ The core logic for this extension is handled by a pre-built `toolbox` binary. Th
     cd bigquery-data-analytics
     ```
 
-2.  **Download the Toolbox Binary:** The required version of the `toolbox` binary
-    is specified in `toolbox_version.txt`. Download it for your platform.
-
-    ```bash
-    # Read the required version
-    VERSION=$(cat toolbox_version.txt)
-
-    # Example for macOS/amd64
-    curl -L -o toolbox https://storage.googleapis.com/mcp-toolbox-for-databases/geminicli/v$VERSION/darwin/amd64/toolbox
-    chmod +x toolbox
-    ```
-    Adjust the URL for your operating system (`linux/amd64`, `darwin/arm64`, `windows/amd64`).
-
-3.  **Link the Extension Locally:** Use the Gemini CLI to install the
+2.  **Install the Extension Locally:** Use the Gemini CLI to install the
     extension from your local directory.
 
     ```bash
-    gemini extensions link .
+    gemini extensions install .
     ```
-    The CLI will prompt you to confirm the linking. Accept it to proceed.
+    The CLI will prompt you to confirm the installation. Accept it to proceed.
 
-4.  **Testing Changes:** After linking, start the Gemini CLI (`gemini`).
-    You can now interact with the `bigquery-data-analytics` tools to manually test your changes
+3.  **Testing Changes:** After installing, start the Gemini CLI (`gemini`).
+    You can now interact with the `bigquery-data-analytics` skills to manually test your changes
     against your connected database.
 
 ## Testing
@@ -59,7 +46,7 @@ for every pull request. This workflow primarily verifies that the extension can
 be successfully installed by the Gemini CLI.
 
 Currently, there are no automated unit or integration test suites
-within this repository. All functional testing must be performed manually. All tools
+within this repository. All functional testing must be performed manually. All skills
 are currently tested in the [MCP Toolbox GitHub](https://github.com/googleapis/mcp-toolbox).
 
 ### Other GitHub Checks
@@ -75,14 +62,8 @@ are currently tested in the [MCP Toolbox GitHub](https://github.com/googleapis/m
 
 ## Building the Extension
 
-The "build" process for this extension involves packaging the extension's
-metadata files (`gemini-extension.json`, `bigquery-data-analytics.md`, `LICENSE`) along with the
-pre-built `toolbox` binary into platform-specific archives (`.tar.gz` or `.zip`).
-
-This process is handled automatically by the
-[`package-and-upload-assets.yml`](.github/workflows/package-and-upload-assets.yml)
-GitHub Actions workflow when a new release is created. Manual building is not
-required.
+The building process for this extension is handled automatically by the
+automated workflows when a new release is created. Manual building is not required.
 
 ## Maintainer Information
 
@@ -135,7 +116,3 @@ The process is handled by the [`mirror-changelog.yml`](.github/workflows/mirror-
 2.  **Merge Release PR:** A maintainer approves and merges the Release PR. This
     action triggers `release-please` to create a new GitHub tag and a
     corresponding GitHub Release.
-3.  **Package and Upload:** The new release triggers the
-    `package-and-upload-assets.yml` workflow. This workflow builds the
-    platform-specific extension archives and uploads them as assets to the
-    GitHub Release.