Add Claude observability tracing and diagnostics UI

tests/session-lifecycle.test.ts

@@ -1,7 +1,7 @@
 import test from "node:test";
 import assert from "node:assert/strict";
 import { execFile } from "node:child_process";
-import { mkdtemp, mkdir, readFile, writeFile, stat } from "node:fs/promises";
+import { mkdtemp, mkdir, readFile, rm, stat, writeFile } from "node:fs/promises";
 import { tmpdir } from "node:os";
 import { resolve } from "node:path";
 import { promisify } from "node:util";
@@ -177,3 +177,54 @@ test("session worktree manager returns conflict outcome instead of throwing", as
   assert.equal(mergeOutcome.worktreePath, taskWorktreePath);
   assert.ok(mergeOutcome.conflictFiles.includes("README.md"));
 });
+
+test("session worktree manager recreates a task worktree after stale metadata prune", async () => {
+  const root = await mkdtemp(resolve(tmpdir(), "ai-ops-session-worktree-prune-"));
+  const projectPath = resolve(root, "project");
+  const worktreeRoot = resolve(root, "worktrees");
+
+  await mkdir(projectPath, { recursive: true });
+  await git(["init", projectPath]);
+  await git(["-C", projectPath, "config", "user.name", "AI Ops"]);
+  await git(["-C", projectPath, "config", "user.email", "ai-ops@example.local"]);
+  await writeFile(resolve(projectPath, "README.md"), "# project\n", "utf8");
+  await git(["-C", projectPath, "add", "README.md"]);
+  await git(["-C", projectPath, "commit", "-m", "initial commit"]);
+
+  const manager = new SessionWorktreeManager({
+    worktreeRoot,
+    baseRef: "HEAD",
+  });
+
+  const sessionId = "session-prune-1";
+  const taskId = "task-prune-1";
+  const baseWorkspacePath = manager.resolveBaseWorkspacePath(sessionId);
+
+  await manager.initializeSessionBaseWorkspace({
+    sessionId,
+    projectPath,
+    baseWorkspacePath,
+  });
+
+  const initialTaskWorktreePath = (
+    await manager.ensureTaskWorktree({
+      sessionId,
+      taskId,
+      baseWorkspacePath,
+    })
+  ).taskWorktreePath;
+
+  await rm(initialTaskWorktreePath, { recursive: true, force: true });
+
+  const recreatedTaskWorktreePath = (
+    await manager.ensureTaskWorktree({
+      sessionId,
+      taskId,
+      baseWorkspacePath,
+    })
+  ).taskWorktreePath;
+
+  assert.equal(recreatedTaskWorktreePath, initialTaskWorktreePath);
+  const stats = await stat(recreatedTaskWorktreePath);
+  assert.equal(stats.isDirectory(), true);
+});