Update docs to reflect Playground replacing Chat tab

docs/index.mdx

@@ -31,7 +31,6 @@ MCPJam is the development platform for MCP servers, MCP apps, and ChatGPT apps.
 | Capability | Description |
 | --- | --- |
 | App Builder | Debug your server against a model: tool calls or in-panel chat, with Chat, Trace, and Raw. OpenAI Apps SDK and MCP app UIs, text tools, Chrome DevTools-style widget emulator. [Read more](/inspector/app-builder) |
-| Chat | Multi-server chat on frontier models (free). Chat, Trace, Raw; compare up to 3 models. [Read more](/inspector/chat) |
 | OAuth Debugger | Guided MCP OAuth conformance checks: protocol versions 03-26, 06-18, 11-25; DCR, client pre-registration, CIMD. [Read more](/inspector/guided-oauth) |
 | MCP Server Debugging | Manually run tools, resources, templates, and elicitation; full JSON-RPC logs. |
 | Skills | Skills in Chat and App Builder; local filesystem only. [Read more](/inspector/skills) |

docs/inspector/launch-from-code.mdx

@@ -81,7 +81,7 @@ await inspector.stop();
 | `server.url`      | `string`                 | -       | HTTP URL of the MCP server                                                                 |
 | `server.headers`  | `Record<string, string>` | -       | Custom headers to send with requests                                                       |
 | `server.useOAuth` | `boolean`                | `false` | Trigger OAuth flow on connect                                                              |
-| `defaultTab`      | `string`                 | -       | Initial tab: `"servers"`, `"tools"`, `"resources"`, `"prompts"`, `"chat"`, `"app-builder"` |
+| `defaultTab`      | `string`                 | -       | Initial tab: `"servers"`, `"tools"`, `"resources"`, `"prompts"`, `"playground"`, `"app-builder"` |
 
 ### InspectorInstance
 

docs/inspector/skills.mdx

@@ -10,7 +10,7 @@ icon: "square-slash"
 
 1. **Navigate to the Skills tab** in MCPJam Inspector to discover and manage skills
 2. **Load skills** — MCPJam automatically discovers skills from [supported directories](#skill-directories). You can also upload skills directly through the Skills tab, or run `npx skills` to install them
-3. **Use skills in the Chat tab or App Builder** — the LLM discovers them automatically, or you can inject them with the `/` command
+3. **Use skills in the Playground** — the LLM discovers them automatically, or you can inject them with the `/` command
 
 <iframe
   className="w-full aspect-video rounded-xl"

docs/inspector/tools-prompts-resources.mdx

@@ -42,7 +42,7 @@ Test your MCP prompts:
 
 - **View prompts** - Browse prompt names, descriptions, and parameters
 - **Fetch prompts** - Retrieve prompt content with custom arguments
-- **Use in Chat** - Type `/` in the Chat tab to insert prompts directly into the conversation
+- **Use in Playground** - Type `/` in the Playground to insert prompts directly into the conversation
 
 ## JSON-RPC Logging
 

docs/inspector/views.mdx

@@ -33,7 +33,7 @@ Views provide a complete workflow for capturing, testing, and sharing tool outpu
 To save your first view:
 
 1. **Connect your MCP server** - Use the Servers tab to connect a server that returns widget-enabled tools
-2. **Run a tool** - Invoke a tool from the Chat tab or the App Builder to produce a widget result
+2. **Run a tool** - Invoke a tool from the Playground to produce a widget result
 3. **Save as View** - Click the **Save as View** icon in the tool call header. The view is saved instantly with an auto-generated name based on the server and tool name.
 4. **Browse your views** - Switch to the **Views** tab and select your server from the tabs at the top. Your saved views appear in the left sidebar.