fix: use platform-independent paths in memory filesystem tests (#706)

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

src/tests/agent/memoryFilesystem.test.ts

@@ -329,11 +329,15 @@ describe("memory filesystem sync - rename handling", () => {
 describe("memory filesystem paths", () => {
   test("getMemoryFilesystemRoot returns correct path", () => {
     const root = getMemoryFilesystemRoot("agent-123", "/home/user");
-    expect(root).toBe("/home/user/.letta/agents/agent-123/memory");
+    expect(root).toBe(
+      join("/home/user", ".letta", "agents", "agent-123", "memory"),
+    );
   });
 
   test("getMemorySystemDir returns correct path", () => {
     const systemDir = getMemorySystemDir("agent-123", "/home/user");
-    expect(systemDir).toBe("/home/user/.letta/agents/agent-123/memory/system");
+    expect(systemDir).toBe(
+      join("/home/user", ".letta", "agents", "agent-123", "memory", "system"),
+    );
   });
 });

src/tests/headless-scenario.ts

@@ -71,6 +71,8 @@ async function runCLI(
     scenarioPrompt(),
     "--yolo",
     "--new-agent",
+    "--base-tools",
+    "memory,web_search,fetch_webpage,conversation_search",
     "--output-format",
     output,
     "-m",