fix: 修复双击模式下单击对象失效，右键查看DDL、源码等复用右侧面板

apps/desktop/src/lib/__tests__/table/objectBrowserRowAction.spec.ts

@@ -94,9 +94,15 @@ describe("resolveRowClickAction", () => {
   });
 
   describe("double-click activation mode", () => {
-    it("single click (detail=1) returns none", () => {
+    it("single click (detail=1) on TABLE returns table-info (side panel)", () => {
       const result = resolveRowClickAction(tableRow, 1, "double");
-      expect(result.action).toBe("none");
+      expect(result.action).toBe("table-info");
+      expect(result.isDouble).toBe(false);
+    });
+
+    it("single click (detail=1) on VIEW returns open-source (side panel)", () => {
+      const result = resolveRowClickAction(viewRow, 1, "double");
+      expect(result.action).toBe("open-source");
       expect(result.isDouble).toBe(false);
     });
 
@@ -118,28 +124,24 @@ describe("shouldDeferSingleClick", () => {
   const tableRow = row("TABLE", "users");
   const viewRow = row("VIEW", "v_users");
 
-  it("defers TABLE table-info in single mode (distinct single/double actions)", () => {
-    expect(shouldDeferSingleClick(tableRow, "table-info", "single")).toBe(true);
+  it("defers TABLE table-info (distinct single/double actions)", () => {
+    expect(shouldDeferSingleClick(tableRow, "table-info")).toBe(true);
   });
 
-  it("does not defer VIEW open-source in single mode (same single/double action)", () => {
-    expect(shouldDeferSingleClick(viewRow, "open-source", "single")).toBe(false);
-  });
-
-  it("does not defer in double activation mode", () => {
-    expect(shouldDeferSingleClick(tableRow, "table-info", "double")).toBe(false);
+  it("does not defer VIEW open-source (same single/double action)", () => {
+    expect(shouldDeferSingleClick(viewRow, "open-source")).toBe(false);
   });
 
   it("does not defer none action", () => {
-    expect(shouldDeferSingleClick(tableRow, "none", "single")).toBe(false);
+    expect(shouldDeferSingleClick(tableRow, "none")).toBe(false);
   });
 
   it("does not defer when action is not the single-click action", () => {
-    expect(shouldDeferSingleClick(tableRow, "open-table", "single")).toBe(false);
+    expect(shouldDeferSingleClick(tableRow, "open-table")).toBe(false);
   });
 
   it("handles null/undefined row", () => {
-    expect(shouldDeferSingleClick(null, "table-info", "single")).toBe(false);
-    expect(shouldDeferSingleClick(undefined, "open-source", "single")).toBe(false);
+    expect(shouldDeferSingleClick(null, "table-info")).toBe(false);
+    expect(shouldDeferSingleClick(undefined, "open-source")).toBe(false);
   });
 });

apps/desktop/src/lib/table/objectBrowserRowAction.ts

@@ -31,11 +31,17 @@ export function doubleClickRowAction(row: ObjectBrowserRow | null | undefined):
 /**
  * Resolve a row click event into a single or double action based on click detail
  * and the sidebar activation setting.
+ *
+ * In both single-click and double-click activation modes, a single click
+ * triggers the side-panel action (table-info / open-source). When a distinct
+ * double-click action exists (e.g. TABLE single→table-info, double→open-table),
+ * the caller defers the single-click via shouldDeferSingleClick so the second
+ * click can cancel it.
  */
 export function resolveRowClickAction(row: ObjectBrowserRow | null | undefined, detail: number, activation: "single" | "double"): { action: ObjectBrowserRowAction; isDouble: boolean } {
   if (activation === "double") {
     if (detail === 2) return { action: doubleClickRowAction(row), isDouble: true };
-    return { action: "none", isDouble: false };
+    return { action: singleClickRowAction(row), isDouble: false };
   }
   // single-click activation
   if (detail > 1) return { action: doubleClickRowAction(row), isDouble: true };
@@ -44,13 +50,12 @@ export function resolveRowClickAction(row: ObjectBrowserRow | null | undefined,
 
 /**
  * Whether a single-click action should be deferred to distinguish it from a
- * possible upcoming double-click. Only applies in single-click activation mode
- * and when the row's single-click and double-click actions differ (e.g. TABLE:
- * single → table-info, double → open-table). For rows whose single and double
- * actions are identical (e.g. VIEW → open-source both), no deferral is needed.
+ * possible upcoming double-click. Applies when the row's single-click and
+ * double-click actions differ (e.g. TABLE: single → table-info, double →
+ * open-table). For rows whose single and double actions are identical
+ * (e.g. VIEW → open-source both), no deferral is needed.
  */
-export function shouldDeferSingleClick(row: ObjectBrowserRow | null | undefined, action: ObjectBrowserRowAction, activation: "single" | "double"): boolean {
-  if (activation !== "single") return false;
+export function shouldDeferSingleClick(row: ObjectBrowserRow | null | undefined, action: ObjectBrowserRowAction): boolean {
   if (action === "none") return false;
   const single = singleClickRowAction(row);
   const double = doubleClickRowAction(row);