fix(sql-completion): improve MongoDB editor suggestions

apps/desktop/src/lib/__tests__/sql/executableStatementRangeCache.spec.ts

@@ -3,6 +3,16 @@ import { describe, expect, it, vi } from "vitest";
 import { executableStatementRangeAtCursor, executableStatementRangeCacheForDoc, executableStatementRangeStartingAt, type ExecutableStatementRangeParser } from "@/lib/sql/executableStatementRangeCache";
 
 describe("executableStatementRangeCacheForDoc", () => {
+  it("tracks MongoDB commands for current-statement framing", () => {
+    const sql = 'db.users.find({})\n\ndb.getCollection("audit.logs").countDocuments({})';
+    const doc = Text.of(sql.split("\n"));
+    const cache = executableStatementRangeCacheForDoc(null, doc, "mongodb");
+
+    expect(executableStatementRangeAtCursor(cache, sql.indexOf("users"))?.sql).toBe("db.users.find({})");
+    expect(executableStatementRangeAtCursor(cache, sql.indexOf("audit.logs"))?.sql).toBe('db.getCollection("audit.logs").countDocuments({})');
+    expect(executableStatementRangeAtCursor(cache, doc.line(2).from)).toBeNull();
+  });
+
   it("reuses parsed executable statement ranges for the same document and database type", () => {
     const doc = Text.of(["SELECT 1;", "SELECT 2;"]);
     const parse = vi.fn<ExecutableStatementRangeParser>(() => [