fix: detach all memory tools when enabling memfs (#900)

Co-authored-by: Letta <noreply@letta.com>

src/tests/cli/toolNameMapping.test.ts

@@ -0,0 +1,17 @@
+import { describe, expect, test } from "bun:test";
+import { isMemoryTool } from "../../cli/helpers/toolNameMapping";
+
+describe("toolNameMapping.isMemoryTool", () => {
+  test("recognizes all supported memory tool names", () => {
+    expect(isMemoryTool("memory")).toBe(true);
+    expect(isMemoryTool("memory_apply_patch")).toBe(true);
+    expect(isMemoryTool("memory_insert")).toBe(true);
+    expect(isMemoryTool("memory_replace")).toBe(true);
+    expect(isMemoryTool("memory_rethink")).toBe(true);
+  });
+
+  test("returns false for non-memory tools", () => {
+    expect(isMemoryTool("bash")).toBe(false);
+    expect(isMemoryTool("web_search")).toBe(false);
+  });
+});