fix(sqlserver): preserve double-dot completion targets

apps/desktop/src/lib/__tests__/sql/sqlCompletion.context.spec.ts

@@ -440,6 +440,13 @@ describe("sqlCompletion scoped context classification", () => {
     expect(context.referencedTables).toEqual(expect.arrayContaining([expect.objectContaining({ schema: "dbo", name: "Users", alias: "u" }), expect.objectContaining({ name: "Orders", alias: "o" })]));
   });
 
+  it("preserves SQL Server database and omitted schema in legacy table references", () => {
+    const sql = "SELECT * FROM BarDB..orders AS o WHERE o.";
+    const context = getSqlCompletionContext(sql, sql.length, { databaseType: "sqlserver" });
+
+    expect(context.referencedTables).toEqual([expect.objectContaining({ database: "BarDB", schema: "dbo", name: "orders", alias: "o" })]);
+  });
+
   it("treats schema-qualified table prefixes in FROM as table completion input", () => {
     const sql = "SELECT * FROM dws_game_sdk_base.di";
     const context = getSqlCompletionContext(sql, sql.length);