feat: complete account and dashboard sprint

backend/test/app.test.ts

@@ -64,6 +64,12 @@ async function createUser(email: string, password: string, verified: boolean) {
   return inserted.rows[0].id;
 }
 
+async function loginAgent(email: string, password: string) {
+  const agent = request.agent(app);
+  const login = await agent.post("/api/auth/login").send({ email, password }).expect(200);
+  return { agent, csrfToken: login.body.csrfToken as string };
+}
+
 async function countByTokenHash(table: "sessions" | "email_verification_tokens" | "password_reset_tokens", tokenHash: string) {
   const { rows } = await pool.query<{ count: string }>(
     `SELECT COUNT(*)::text AS count FROM ${table} WHERE token_hash = $1`,
@@ -183,6 +189,76 @@ test("login uses generic response for missing user and wrong password", async ()
   assert.deepEqual(missingUser.body, wrongPassword.body);
 });
 
+test("account session endpoints list and revoke only the current user's sessions", async () => {
+  userCounter += 1;
+  const email = `sessions${userCounter}@example.com`;
+  const password = "correct horse battery staple";
+  await createVerifiedUser(email, password);
+  const first = await loginAgent(email, password);
+  const second = await loginAgent(email, password);
+
+  const listed = await first.agent.get("/api/auth/sessions").expect(200);
+  assert.equal(listed.body.sessions.length, 2);
+  assert.ok(listed.body.sessions.every((session: { tokenHash?: unknown }) => session.tokenHash === undefined));
+  const other = listed.body.sessions.find((session: { current: boolean }) => !session.current);
+  assert.ok(other);
+
+  const outsider = await authAgent();
+  const foreign = (await outsider.agent.get("/api/auth/sessions").expect(200)).body.sessions[0];
+  await first.agent
+    .delete(`/api/auth/sessions/${foreign.id}`)
+    .set("X-CSRF-Token", first.csrfToken)
+    .expect(404);
+
+  await first.agent
+    .delete(`/api/auth/sessions/${other.id}`)
+    .set("X-CSRF-Token", first.csrfToken)
+    .expect(204);
+  await second.agent.get("/api/auth/me").expect(401);
+  await first.agent.get("/api/auth/sessions").expect(200).then((res) => assert.equal(res.body.sessions.length, 1));
+});
+
+test("password change checks the current password and revokes other sessions", async () => {
+  userCounter += 1;
+  const email = `password${userCounter}@example.com`;
+  const password = "correct horse battery staple";
+  const nextPassword = "another correct horse battery staple";
+  await createVerifiedUser(email, password);
+  const first = await loginAgent(email, password);
+  const second = await loginAgent(email, password);
+
+  await first.agent
+    .post("/api/auth/password")
+    .set("X-CSRF-Token", first.csrfToken)
+    .send({ currentPassword: "wrong password", newPassword: nextPassword })
+    .expect(400);
+  await first.agent
+    .post("/api/auth/password")
+    .set("X-CSRF-Token", first.csrfToken)
+    .send({ currentPassword: password, newPassword: nextPassword })
+    .expect(200);
+
+  await second.agent.get("/api/auth/me").expect(401);
+  await request(app).post("/api/auth/login").send({ email, password }).expect(401);
+  await request(app).post("/api/auth/login").send({ email, password: nextPassword }).expect(200);
+});
+
+test("revoke other sessions retains the current session", async () => {
+  userCounter += 1;
+  const email = `revoke-others${userCounter}@example.com`;
+  const password = "correct horse battery staple";
+  await createVerifiedUser(email, password);
+  const first = await loginAgent(email, password);
+  const second = await loginAgent(email, password);
+
+  await first.agent
+    .post("/api/auth/sessions/revoke-others")
+    .set("X-CSRF-Token", first.csrfToken)
+    .expect(200);
+  await first.agent.get("/api/auth/me").expect(200);
+  await second.agent.get("/api/auth/me").expect(401);
+});
+
 test("GET /api/races/:id returns not_found for another user's race", async () => {
   const first = await authAgent();
   const created = await first.agent