feat(view,tests): query blocks stay code in text the agent did not write

tests/inert.test.ts

@@ -0,0 +1,27 @@
+import { describe, expect, it } from "vitest";
+import { inertFences } from "$lib/panel/fences";
+
+const runs = (language: string) => ["tasks", "dataview"].includes(language);
+
+describe("inertFences", () => {
+  it("turns a query block into code", () => {
+    expect(inertFences("```tasks\nnot done\n```", runs)).toBe(
+      "```text\nnot done\n```"
+    );
+    expect(inertFences("~~~Dataview\nlist\n~~~", runs)).toBe(
+      "~~~text\nlist\n~~~"
+    );
+  });
+
+  it("reaches a block opened inside a list item or a quote", () => {
+    expect(inertFences("+ ```tasks\n+ not done", runs)).toBe(
+      "+ ```text\n+ not done"
+    );
+    expect(inertFences("> 1. ````tasks {x}", runs)).toBe("> 1. ````text {x}");
+  });
+
+  it("leaves ordinary code and closing fences alone", () => {
+    const text = "```python\nprint(1)\n```\ninline `tasks` stays";
+    expect(inertFences(text, runs)).toBe(text);
+  });
+});