fix(ci): update MCP MSRV and metadata coverage

agents/metadata-constraint-coverage.tsv

@@ -12,6 +12,7 @@ h2	native-pushdown	java-sql	Uses INFORMATION_SCHEMA with type, filter, stable or
 hive	intentional-fallback	java-sql	Uses Hive metadata paths where stable server-side fuzzy paging is not portable, common constraints filter locally.
 informix	native-pushdown	java-sql	Uses systables/sysprocedures with type, filter, stable order, and SKIP/FIRST.
 kingbase	native-pushdown	java-sql	Uses sys_catalog/information_schema with type, filter, stable order, and LIMIT/OFFSET for both compatibility modes.
+kingbase-go	shared-fallback	native-go	Uses sys_catalog/information_schema for compatibility-aware metadata, then applies stable filtering and paging in the native agent.
 kylin	intentional-fallback	java-jdbc-metadata	Uses JDBC metadata from Kylin driver; no portable server-side paging API, common constraints filter locally.
 neo4j	intentional-fallback	java-graph-metadata	Uses JDBC metadata with Cypher fallback; label discovery cannot guarantee relational-style filtered paging, common constraints filter locally.
 oceanbase-oracle	native-pushdown	java-sql	Uses Oracle-compatible metadata SQL with type, filter, stable order, and ROWNUM paging.

src-tauri/src/commands/mcp.rs

@@ -76,7 +76,7 @@ impl NodeRuntime {
         let package_is_compatible = package
             .as_ref()
             .and_then(|package| package.minimum_node_version)
-            .is_none_or(|minimum| parse_node_version(&node_version).is_some_and(|version| version >= minimum));
+            .map_or(true, |minimum| parse_node_version(&node_version).is_some_and(|version| version >= minimum));
         let mcp_version = package.as_ref().and_then(|package| package.version.clone());
         // Resolve the package-declared launcher so npm layout changes do not break the built-in AI assistant.
         let mcp_script_path = package.filter(|_| package_is_compatible).map(|package| package.script_path);