feat(cli): rename mcp_config asset category to mcp-config with snake_case alias

src/config/request_context.rs

@@ -7871,6 +7871,10 @@ mod tests {
             AssetCategory::parse("functions"),
             Some(AssetCategory::Functions)
         );
+        assert_eq!(
+            AssetCategory::parse("mcp-config"),
+            Some(AssetCategory::McpConfig)
+        );
         assert_eq!(
             AssetCategory::parse("mcp_config"),
             Some(AssetCategory::McpConfig)