fix(zookeeper): drop unsupported sql query capability

Closes #8215

apps/desktop/src/lib/__tests__/database/databaseFeatureSupport.spec.ts

@@ -5,12 +5,15 @@ import { buildGetDatabaseCommentSql } from "@/lib/database/dbAdminSql";
 import {
   defaultAutoCommitForDbType,
   isSchemaAware,
+  supportsConnectionQueryActions,
   supportsConnectionScopedQueryExecution,
   supportsConnectionDatabaseBrowser,
   supportsDatabaseNameCompletion,
   supportsDatabaseSchemaQualifier,
+  supportsDatabaseSearch,
   supportsObjectBrowser,
   supportsObjectBrowserTreeNode,
+  supportsQueryExecution,
   supportsQueryTargetDatabaseListing,
   supportsQueryEditorBlockComments,
   supportsSqlInListPaste,
@@ -81,6 +84,32 @@ describe("connection-scoped query targets", () => {
   });
 });
 
+describe("connection query actions", () => {
+  it("keeps SQL query surfaces available for ordinary databases", () => {
+    expect(supportsConnectionQueryActions("mysql")).toBe(true);
+    expect(supportsConnectionQueryActions("postgres")).toBe(true);
+    expect(supportsConnectionQueryActions("redis")).toBe(true);
+    expect(supportsConnectionQueryActions(undefined)).toBe(true);
+  });
+
+  it("hides the sidebar new-query entry for specialized surfaces without a query engine", () => {
+    expect(supportsConnectionQueryActions("nacos")).toBe(false);
+    expect(supportsConnectionQueryActions("consul")).toBe(false);
+    expect(supportsConnectionQueryActions("hbase")).toBe(false);
+    expect(supportsConnectionQueryActions("zookeeper")).toBe(false);
+  });
+});
+
+describe("zookeeper query capabilities", () => {
+  it("does not advertise query execution or schema search for the kv-only agent", () => {
+    // The ZooKeeper agent exposes only kv_* operations: no list-databases or
+    // query method exists, so the manifest must not claim either capability
+    // (issue #8215: "new query" errored calling list-databases).
+    expect(supportsQueryExecution("zookeeper")).toBe(false);
+    expect(supportsDatabaseSearch("zookeeper")).toBe(false);
+  });
+});
+
 describe("database and schema qualifiers", () => {
   it.each(["sqlserver", "trino", "prestosql"] as const)("supports three-part object names for %s", (databaseType) => {
     expect(supportsDatabaseSchemaQualifier(databaseType)).toBe(true);

apps/desktop/src/lib/database/databaseFeatureSupport.ts

@@ -112,8 +112,14 @@ export function supportsClearableQuerySchema(dbType?: DatabaseType): boolean {
   return !!dbType && CLEARABLE_QUERY_SCHEMA_TYPES.has(dbType);
 }
 
+/**
+ * ZooKeeper has no query surface: its agent implements only kv_* operations,
+ * so the sidebar "new query" flow would call list-databases and fail
+ * (issue #8215). It is excluded alongside the other specialized surfaces
+ * (nacos, consul, hbase) whose connection workbench replaces query tabs.
+ */
 export function supportsConnectionQueryActions(dbType?: DatabaseType): boolean {
-  return dbType !== "nacos" && dbType !== "consul" && dbType !== "hbase";
+  return dbType !== "nacos" && dbType !== "consul" && dbType !== "hbase" && dbType !== "zookeeper";
 }
 
 /**