Fix incorrect paths to sample code in MCP guides

docs/guides/guide_a2ui_dynamic_mcp.md

@@ -186,7 +186,7 @@ To handle interactivity within the rendered A2UI surface, your MCP App must capt
 **Example: Handling User Actions**
 
 ```typescript
-// Subscribing to A2UI events in the MCP App ([main.ts](https://github.com/google/A2UI/blob/main/samples/agent/mcp/a2ui-in-mcpapps/server/apps/src/main.ts))
+// Subscribing to A2UI events in the MCP App ([main.ts](https://github.com/google/A2UI/blob/main/samples/agent/mcp/a2ui-in-mcpapps/server/apps/src/src/main.ts))
 this.processor.events.subscribe(async (event) => {
   if (!event.message.userAction) return;
 

docs/guides/mcp-apps-in-a2ui-surface.md

@@ -120,19 +120,19 @@ To run the samples, ensure you have the following installed:
 
 There are two primary samples demonstrating MCP Apps integration:
 
-### 1. Contact Multi-Surface Sample (Lit & ADK Agent)
+### 1. MCP App Standalone Sample (Lit & ADK Agent)
 
 This sample verifies the sandbox with a Lit-based client and an ADK-based A2A agent.
 
 -   **A2A Agent Server**:
-    -   Path: [`samples/agent/adk/contact_multiple_surfaces/`](https://github.com/google/A2UI/tree/main/samples/agent/adk/contact_multiple_surfaces/)
+    -   Path: [`samples/agent/adk/mcp-apps-in-a2ui-sample/`](https://github.com/google/A2UI/tree/main/samples/agent/adk/mcp-apps-in-a2ui-sample/)
     -   Command: `uv run .` (requires `GEMINI_API_KEY` in `.env`)
 -   **Lit Client App**:
-    -   Path: [`samples/client/lit/contact/`](https://github.com/google/A2UI/tree/main/samples/client/lit/contact/)
+    -   Path: [`samples/client/lit/mcp-apps-in-a2ui-sample/`](https://github.com/google/A2UI/tree/main/samples/client/lit/mcp-apps-in-a2ui-sample/)
     -   Command: `npm run dev` (requires building the Lit renderer first)
     -   URL: `http://localhost:5173/`
 
-**What to expect**: A contact page where actions prompt an app interface on specific interactions.
+**What to expect**: A simple interface loading the MCP App, with a button to trigger an action handled by the agent.
 
 ### 2. MCP Apps (Calculator + Pong) (Angular)