diff --git a/packages/paperclip-runner/src/control-plane/durable-prp-control-plane.test.ts b/packages/paperclip-runner/src/control-plane/durable-prp-control-plane.test.ts
index 8980c1c4e37..03ba01a956c 100644
--- a/packages/paperclip-runner/src/control-plane/durable-prp-control-plane.test.ts
+++ b/packages/paperclip-runner/src/control-plane/durable-prp-control-plane.test.ts
@@ -1445,7 +1445,7 @@ it("refuses a processing-drain absence claim while local or remote ingress remai
   }
 });
 
-describe.sequential("DurablePrpControlPlane", () => {
+describe("DurablePrpControlPlane", () => {
   it.each(["pending_first", "all_pending", "completed_first"] as const)(
     "retains unanswered semantic input across the bounded event window (%s)",
     async (mode) => {
diff --git a/packages/paperclip-runner/src/mock-core/local-runner.test.ts b/packages/paperclip-runner/src/mock-core/local-runner.test.ts
index 8566e516e3d..3fe96dcdfe0 100644
--- a/packages/paperclip-runner/src/mock-core/local-runner.test.ts
+++ b/packages/paperclip-runner/src/mock-core/local-runner.test.ts
@@ -13,7 +13,7 @@ import {
   startLocalRunnerScenario,
 } from "./local-runner.js";
 
-describe.sequential("Local runner and fake harness", () => {
+describe("Local runner and fake harness", () => {
   it("runs lifecycle, tool, file, structured-result, and process-exit events", async () => {
     const trace = await runLocalRunnerScenario({ scenario: "happy-path", delayMs: 1 });
     const eventTypes = trace.events.map((event) => event.eventType);
diff --git a/server/src/__tests__/activity-routes.test.ts b/server/src/__tests__/activity-routes.test.ts
index 45871e32363..0bb574486c6 100644
--- a/server/src/__tests__/activity-routes.test.ts
+++ b/server/src/__tests__/activity-routes.test.ts
@@ -101,7 +101,7 @@ async function requestApp(
   }
 }
 
-describe.sequential("activity routes", () => {
+describe("activity routes", () => {
   beforeEach(() => {
     for (const mock of Object.values(mockActivityService)) mock.mockReset();
     for (const mock of Object.values(mockHeartbeatService)) mock.mockReset();
diff --git a/server/src/__tests__/adapter-routes-authz.test.ts b/server/src/__tests__/adapter-routes-authz.test.ts
index 685a30bbcb2..22aa7b2c268 100644
--- a/server/src/__tests__/adapter-routes-authz.test.ts
+++ b/server/src/__tests__/adapter-routes-authz.test.ts
@@ -258,7 +258,7 @@ function resetInstalledExternalAdapterState() {
   setOverridePaused("claude_local", false);
 }
 
-describe.sequential("adapter management route authorization", () => {
+describe("adapter management route authorization", () => {
   beforeEach(async () => {
     vi.resetModules();
     vi.doUnmock("../services/adapter-plugin-store.js");
diff --git a/server/src/__tests__/agent-cross-tenant-authz-routes.test.ts b/server/src/__tests__/agent-cross-tenant-authz-routes.test.ts
index d5fabca417e..9571e69b133 100644
--- a/server/src/__tests__/agent-cross-tenant-authz-routes.test.ts
+++ b/server/src/__tests__/agent-cross-tenant-authz-routes.test.ts
@@ -343,7 +343,7 @@ function resetMockDefaults() {
   mockLogActivity.mockImplementation(async () => undefined);
 }
 
-describe.sequential("agent cross-tenant route authorization", () => {
+describe("agent cross-tenant route authorization", () => {
   beforeEach(() => {
     resetMockDefaults();
   });
diff --git a/server/src/__tests__/agent-permissions-routes.test.ts b/server/src/__tests__/agent-permissions-routes.test.ts
index 4322844170b..8428ab4e6f5 100644
--- a/server/src/__tests__/agent-permissions-routes.test.ts
+++ b/server/src/__tests__/agent-permissions-routes.test.ts
@@ -267,7 +267,7 @@ async function requestApp(
   }
 }
 
-describe.sequential("agent permission routes", () => {
+describe("agent permission routes", () => {
   const routeModules = hoistModuleGraph(registerModuleMocks, async () => {
     const [{ errorHandler }, { agentRoutes }] = await Promise.all([
       vi.importActual<typeof import("../middleware/index.js")>("../middleware/index.js"),
diff --git a/server/src/__tests__/agent-skills-routes.test.ts b/server/src/__tests__/agent-skills-routes.test.ts
index f64229e3d4c..23722b3abf5 100644
--- a/server/src/__tests__/agent-skills-routes.test.ts
+++ b/server/src/__tests__/agent-skills-routes.test.ts
@@ -249,7 +249,7 @@ function makeAgent(adapterType: string) {
   };
 }
 
-describe.sequential("agent skill routes", () => {
+describe("agent skill routes", () => {
   beforeEach(async () => {
     vi.resetModules();
     vi.doUnmock("../routes/agents.js");
diff --git a/server/src/__tests__/auth-routes.test.ts b/server/src/__tests__/auth-routes.test.ts
index 7b3588ae07c..08d2a047f09 100644
--- a/server/src/__tests__/auth-routes.test.ts
+++ b/server/src/__tests__/auth-routes.test.ts
@@ -51,7 +51,7 @@ function createApp(actor: Express.Request["actor"], row: Record<string, unknown>
   return app;
 }
 
-describe.sequential("auth routes", () => {
+describe("auth routes", () => {
   const baseUser = {
     id: "user-1",
     name: "Jane Example",
diff --git a/server/src/__tests__/cases-routes.test.ts b/server/src/__tests__/cases-routes.test.ts
index d758670c7f7..0fa40f81832 100644
--- a/server/src/__tests__/cases-routes.test.ts
+++ b/server/src/__tests__/cases-routes.test.ts
@@ -37,7 +37,7 @@ import { instanceSettingsService } from "../services/instance-settings.js";
 import type { StorageService } from "../storage/types.js";
 
 const embeddedPostgresSupport = await getEmbeddedPostgresTestSupport();
-const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe.sequential : describe.skip;
+const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe : describe.skip;
 
 if (!embeddedPostgresSupport.supported) {
   console.warn(
diff --git a/server/src/__tests__/chat-channels.integration.test.ts b/server/src/__tests__/chat-channels.integration.test.ts
index 6798347819f..f8ac3bcc560 100644
--- a/server/src/__tests__/chat-channels.integration.test.ts
+++ b/server/src/__tests__/chat-channels.integration.test.ts
@@ -198,7 +198,7 @@ const embeddedPostgresSupport = externalTestDatabaseUrl
   ? { supported: true }
   : await getEmbeddedPostgresTestSupport();
 const describeEmbeddedPostgres = embeddedPostgresSupport.supported
-  ? describe.sequential
+  ? describe
   : describe.skip;
 
 if (!embeddedPostgresSupport.supported) {
diff --git a/server/src/__tests__/cli-auth-routes.test.ts b/server/src/__tests__/cli-auth-routes.test.ts
index f735c6f13ca..0b30c358567 100644
--- a/server/src/__tests__/cli-auth-routes.test.ts
+++ b/server/src/__tests__/cli-auth-routes.test.ts
@@ -90,7 +90,7 @@ async function createApp(actor: any, db: any = {} as any) {
   return app;
 }
 
-describe.sequential("cli auth routes", () => {
+describe("cli auth routes", () => {
   beforeEach(() => {
     vi.resetModules();
     vi.doUnmock("../services/index.js");
diff --git a/server/src/__tests__/companies-route-cross-company-authz.test.ts b/server/src/__tests__/companies-route-cross-company-authz.test.ts
index 58adaa4aa54..4e49604c9dc 100644
--- a/server/src/__tests__/companies-route-cross-company-authz.test.ts
+++ b/server/src/__tests__/companies-route-cross-company-authz.test.ts
@@ -215,7 +215,7 @@ function boardActor(input: {
   };
 }
 
-describe.sequential("company route cross-company authorization", () => {
+describe("company route cross-company authorization", () => {
   beforeEach(() => {
     vi.resetModules();
     vi.doUnmock("../routes/authz.js");
diff --git a/server/src/__tests__/company-import-transfer-routes.test.ts b/server/src/__tests__/company-import-transfer-routes.test.ts
index b1dd3f9d840..dae45dbd46c 100644
--- a/server/src/__tests__/company-import-transfer-routes.test.ts
+++ b/server/src/__tests__/company-import-transfer-routes.test.ts
@@ -89,7 +89,7 @@ vi.mock("../services/company-import-transfers.js", async (importOriginal) => {
 
 const embeddedPostgresSupport = await getEmbeddedPostgresTestSupport();
 const describeEmbeddedPostgres = embeddedPostgresSupport.supported
-  ? describe.sequential
+  ? describe
   : describe.skip;
 
 const companyId = "11111111-1111-4111-8111-111111111111";
diff --git a/server/src/__tests__/company-portability-routes.test.ts b/server/src/__tests__/company-portability-routes.test.ts
index 9872cd2f6b1..bea84600887 100644
--- a/server/src/__tests__/company-portability-routes.test.ts
+++ b/server/src/__tests__/company-portability-routes.test.ts
@@ -334,7 +334,7 @@ const importMeta = {
   collisionStrategy: importRequest.collisionStrategy,
 };
 
-describe.sequential("company portability routes", () => {
+describe("company portability routes", () => {
   beforeEach(() => {
     vi.clearAllMocks();
     mockAgentService.getById.mockImplementation(async (id: string) => ({
diff --git a/server/src/__tests__/company-skills-import-authz-routes.test.ts b/server/src/__tests__/company-skills-import-authz-routes.test.ts
index b7a945d1e41..a889767582a 100644
--- a/server/src/__tests__/company-skills-import-authz-routes.test.ts
+++ b/server/src/__tests__/company-skills-import-authz-routes.test.ts
@@ -26,7 +26,7 @@ import { errorHandler } from "../middleware/error-handler.js";
 import { companySkillRoutes } from "../routes/company-skills.js";
 
 const embeddedPostgresSupport = await getEmbeddedPostgresTestSupport();
-const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe.sequential : describe.skip;
+const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe : describe.skip;
 
 if (!embeddedPostgresSupport.supported) {
   console.warn(
diff --git a/server/src/__tests__/environment-selection-route-guards.test.ts b/server/src/__tests__/environment-selection-route-guards.test.ts
index 195753a1264..ff0b60ee1f9 100644
--- a/server/src/__tests__/environment-selection-route-guards.test.ts
+++ b/server/src/__tests__/environment-selection-route-guards.test.ts
@@ -164,7 +164,7 @@ async function closeServer(server: Server | null) {
   });
 }
 
-describe.sequential("execution environment route guards", () => {
+describe("execution environment route guards", () => {
   afterAll(async () => {
     await closeServer(projectServer);
     await closeServer(issueServer);
diff --git a/server/src/__tests__/execution-workspace-runtime-control-conflict.test.ts b/server/src/__tests__/execution-workspace-runtime-control-conflict.test.ts
index c733af6a365..07976472721 100644
--- a/server/src/__tests__/execution-workspace-runtime-control-conflict.test.ts
+++ b/server/src/__tests__/execution-workspace-runtime-control-conflict.test.ts
@@ -236,7 +236,7 @@ function mockVerifiedReseed(
  * stable 409 while a control is genuinely live, and a start that fails must leave the workspace
  * stopped and retryable instead of "desired running" with residue.
  */
-describe.sequential("execution workspace runtime control conflict and failure reconciliation", () => {
+describe("execution workspace runtime control conflict and failure reconciliation", () => {
   beforeEach(() => {
     vi.clearAllMocks();
     mockSpawn.mockReset();
diff --git a/server/src/__tests__/execution-workspaces-routes.test.ts b/server/src/__tests__/execution-workspaces-routes.test.ts
index 89111b9b0aa..8f5e1c193b3 100644
--- a/server/src/__tests__/execution-workspaces-routes.test.ts
+++ b/server/src/__tests__/execution-workspaces-routes.test.ts
@@ -88,7 +88,7 @@ function createApp(actor: Record<string, unknown> = {
   return app;
 }
 
-describe.sequential("execution workspace routes", () => {
+describe("execution workspace routes", () => {
   beforeEach(() => {
     vi.clearAllMocks();
     mockAccessService.decide.mockResolvedValue({
diff --git a/server/src/__tests__/github-connection-events.test.ts b/server/src/__tests__/github-connection-events.test.ts
index aef64320619..905e6e7ea33 100644
--- a/server/src/__tests__/github-connection-events.test.ts
+++ b/server/src/__tests__/github-connection-events.test.ts
@@ -22,7 +22,7 @@ import {
 const embeddedPostgresSupport = await getEmbeddedPostgresTestSupport();
 const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe : describe.skip;
 
-describeEmbeddedPostgres.sequential("GitHub connection event delivery", () => {
+describeEmbeddedPostgres("GitHub connection event delivery", () => {
   let db!: ReturnType<typeof createDb>;
   let tempDb: Awaited<ReturnType<typeof startEmbeddedPostgresTestDatabase>> | null = null;
 
diff --git a/server/src/__tests__/invite-test-resolution-route.test.ts b/server/src/__tests__/invite-test-resolution-route.test.ts
index 7ca22a99c4f..631b49cb558 100644
--- a/server/src/__tests__/invite-test-resolution-route.test.ts
+++ b/server/src/__tests__/invite-test-resolution-route.test.ts
@@ -74,7 +74,7 @@ async function createApp(
   return app;
 }
 
-describe.sequential("GET /invites/:token/test-resolution", () => {
+describe("GET /invites/:token/test-resolution", () => {
   beforeEach(() => {
     vi.clearAllMocks();
   });
diff --git a/server/src/__tests__/issue-closed-workspace-routes.test.ts b/server/src/__tests__/issue-closed-workspace-routes.test.ts
index b15070a9065..4d405a71b13 100644
--- a/server/src/__tests__/issue-closed-workspace-routes.test.ts
+++ b/server/src/__tests__/issue-closed-workspace-routes.test.ts
@@ -204,7 +204,7 @@ async function assertNoBackgroundClearWithinRetryWindow() {
   expect(mockExecutionWorkspaceService.clearReopenPendingConsumptionForUnconsumedReopen).not.toHaveBeenCalled();
 }
 
-describe.sequential("closed isolated workspace issue routes", () => {
+describe("closed isolated workspace issue routes", () => {
   const routeModules = hoistModuleGraph(registerServiceMocks, async () => {
     const [{ issueRoutes }, { errorHandler }] = await Promise.all([
       vi.importActual<typeof import("../routes/issues.js")>("../routes/issues.js"),
diff --git a/server/src/__tests__/issue-comment-cancel-routes.test.ts b/server/src/__tests__/issue-comment-cancel-routes.test.ts
index 289a4dbdfa0..e4ef7fb9746 100644
--- a/server/src/__tests__/issue-comment-cancel-routes.test.ts
+++ b/server/src/__tests__/issue-comment-cancel-routes.test.ts
@@ -191,7 +191,7 @@ function makeComment(overrides: Record<string, unknown> = {}) {
   };
 }
 
-describe.sequential("issue comment cancel routes", () => {
+describe("issue comment cancel routes", () => {
   const routeModules = hoistModuleGraph(registerModuleMocks, async () => {
     const [{ issueRoutes }, { errorHandler }] = await Promise.all([
       vi.importActual<typeof import("../routes/issues.js")>("../routes/issues.js"),
diff --git a/server/src/__tests__/issue-comment-redaction.test.ts b/server/src/__tests__/issue-comment-redaction.test.ts
index d44a9113360..a34b27ae2d5 100644
--- a/server/src/__tests__/issue-comment-redaction.test.ts
+++ b/server/src/__tests__/issue-comment-redaction.test.ts
@@ -43,7 +43,7 @@ const embeddedPostgresSupport = externalTestDatabaseUrl
   ? { supported: true }
   : await getEmbeddedPostgresTestSupport();
 const describeEmbeddedPostgres = embeddedPostgresSupport.supported
-  ? describe.sequential
+  ? describe
   : describe.skip;
 
 if (!embeddedPostgresSupport.supported) {
diff --git a/server/src/__tests__/issue-comment-reopen-routes.test.ts b/server/src/__tests__/issue-comment-reopen-routes.test.ts
index 23443339205..d0cc06b0f2d 100644
--- a/server/src/__tests__/issue-comment-reopen-routes.test.ts
+++ b/server/src/__tests__/issue-comment-reopen-routes.test.ts
@@ -317,7 +317,7 @@ async function waitForWakeup(assertion: () => void) {
   await vi.waitFor(assertion);
 }
 
-describe.sequential("issue comment reopen routes", () => {
+describe("issue comment reopen routes", () => {
   beforeEach(() => {
     vi.clearAllMocks();
     mockIssueService.getById.mockReset();
diff --git a/server/src/__tests__/issue-queued-comments-routes.test.ts b/server/src/__tests__/issue-queued-comments-routes.test.ts
index 552cab5c486..bb42982787b 100644
--- a/server/src/__tests__/issue-queued-comments-routes.test.ts
+++ b/server/src/__tests__/issue-queued-comments-routes.test.ts
@@ -45,7 +45,7 @@ vi.mock("../services/native-runtime/native-session-executor.js", async (importOr
 const { NativeSessionSteeringError } = await import("../services/native-runtime/native-session-executor.js");
 
 const embeddedPostgresSupport = await getEmbeddedPostgresTestSupport();
-const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe.sequential : describe.skip;
+const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe : describe.skip;
 
 if (!embeddedPostgresSupport.supported) {
   console.warn(
diff --git a/server/src/__tests__/issue-thread-interaction-routes.test.ts b/server/src/__tests__/issue-thread-interaction-routes.test.ts
index f44c061209d..e2db55feecd 100644
--- a/server/src/__tests__/issue-thread-interaction-routes.test.ts
+++ b/server/src/__tests__/issue-thread-interaction-routes.test.ts
@@ -308,7 +308,7 @@ async function resolveMockInteraction(
   return interaction;
 }
 
-describe.sequential("issue thread interaction routes", () => {
+describe("issue thread interaction routes", () => {
   beforeEach(async () => {
     vi.resetModules();
     vi.doUnmock("../routes/issues.js");
diff --git a/server/src/__tests__/issues-goal-context-routes.test.ts b/server/src/__tests__/issues-goal-context-routes.test.ts
index 843fd17a379..952dbacaa4f 100644
--- a/server/src/__tests__/issues-goal-context-routes.test.ts
+++ b/server/src/__tests__/issues-goal-context-routes.test.ts
@@ -190,7 +190,7 @@ const projectGoal = {
   updatedAt: new Date("2026-03-20T00:00:00Z"),
 };
 
-describe.sequential("issue goal context routes", () => {
+describe("issue goal context routes", () => {
   beforeEach(() => {
     vi.clearAllMocks();
     mockAccessService.decide.mockResolvedValue({
diff --git a/server/src/__tests__/merged-pr-confirmation-sweep.test.ts b/server/src/__tests__/merged-pr-confirmation-sweep.test.ts
index ddc6fe9f096..1e4d56436e7 100644
--- a/server/src/__tests__/merged-pr-confirmation-sweep.test.ts
+++ b/server/src/__tests__/merged-pr-confirmation-sweep.test.ts
@@ -134,7 +134,7 @@ describe("merged pull-request confirmation extraction", () => {
 const embeddedPostgresSupport = await getEmbeddedPostgresTestSupport();
 const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe : describe.skip;
 
-describeEmbeddedPostgres.sequential("merged pull-request confirmation sweep", () => {
+describeEmbeddedPostgres("merged pull-request confirmation sweep", () => {
   let db!: ReturnType<typeof createDb>;
   let tempDb: Awaited<ReturnType<typeof startEmbeddedPostgresTestDatabase>> | null = null;
 
diff --git a/server/src/__tests__/multilingual-issues-routes.test.ts b/server/src/__tests__/multilingual-issues-routes.test.ts
index 4b0eac47765..3ed24b5b8e5 100644
--- a/server/src/__tests__/multilingual-issues-routes.test.ts
+++ b/server/src/__tests__/multilingual-issues-routes.test.ts
@@ -12,7 +12,7 @@ import { issueRoutes } from "../routes/issues.js";
 import type { StorageService } from "../storage/types.js";
 
 const embeddedPostgresSupport = await getEmbeddedPostgresTestSupport();
-const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe.sequential : describe.skip;
+const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe : describe.skip;
 
 if (!embeddedPostgresSupport.supported) {
   console.warn(
diff --git a/server/src/__tests__/openclaw-invite-prompt-route.test.ts b/server/src/__tests__/openclaw-invite-prompt-route.test.ts
index a50de066c0d..3599e2bc924 100644
--- a/server/src/__tests__/openclaw-invite-prompt-route.test.ts
+++ b/server/src/__tests__/openclaw-invite-prompt-route.test.ts
@@ -126,7 +126,7 @@ function createApp(actor: Record<string, unknown>, db: Record<string, unknown>)
   return app;
 }
 
-describe.sequential("POST /companies/:companyId/openclaw/invite-prompt", () => {
+describe("POST /companies/:companyId/openclaw/invite-prompt", () => {
   const companyBranding = {
     name: "Acme AI",
     logoAssetId: "logo-1",
diff --git a/server/src/__tests__/photon/channel.integration.test.ts b/server/src/__tests__/photon/channel.integration.test.ts
index 257992f8ee3..1c33b0a565b 100644
--- a/server/src/__tests__/photon/channel.integration.test.ts
+++ b/server/src/__tests__/photon/channel.integration.test.ts
@@ -73,7 +73,7 @@ function idleStream<T>(): TypedEventStream<T> {
     async () => close(),
   );
 }
-describe.sequential("iMessage Photon channel control plane", () => {
+describe("iMessage Photon channel control plane", () => {
   let database: Awaited<ReturnType<typeof startEmbeddedPostgresTestDatabase>>;
   let db: ReturnType<typeof createDb>;
   let secrets: string;
diff --git a/server/src/__tests__/pipelines-routes.test.ts b/server/src/__tests__/pipelines-routes.test.ts
index cfdc6c1fb4e..3cb7bb7243d 100644
--- a/server/src/__tests__/pipelines-routes.test.ts
+++ b/server/src/__tests__/pipelines-routes.test.ts
@@ -46,7 +46,7 @@ import {
 import { instanceSettingsService } from "../services/instance-settings.js";
 
 const embeddedPostgresSupport = await getEmbeddedPostgresTestSupport();
-const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe.sequential : describe.skip;
+const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe : describe.skip;
 
 if (!embeddedPostgresSupport.supported) {
   console.warn(
diff --git a/server/src/__tests__/plugin-install-autobuild.test.ts b/server/src/__tests__/plugin-install-autobuild.test.ts
index d9d3a599610..79fec328c51 100644
--- a/server/src/__tests__/plugin-install-autobuild.test.ts
+++ b/server/src/__tests__/plugin-install-autobuild.test.ts
@@ -38,7 +38,7 @@ vi.mock("../services/live-events.js", () => ({
 }));
 
 const embeddedPostgresSupport = await getEmbeddedPostgresTestSupport();
-const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe.sequential : describe.skip;
+const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe : describe.skip;
 
 if (!embeddedPostgresSupport.supported) {
   console.warn(
diff --git a/server/src/__tests__/plugin-install-route-security.test.ts b/server/src/__tests__/plugin-install-route-security.test.ts
index ff8ad17be49..eedde8598be 100644
--- a/server/src/__tests__/plugin-install-route-security.test.ts
+++ b/server/src/__tests__/plugin-install-route-security.test.ts
@@ -43,7 +43,7 @@ vi.mock("../services/live-events.js", () => ({
 }));
 
 const embeddedPostgresSupport = await getEmbeddedPostgresTestSupport();
-const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe.sequential : describe.skip;
+const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe : describe.skip;
 
 if (!embeddedPostgresSupport.supported) {
   console.warn(
diff --git a/server/src/__tests__/plugin-routes-authz.test.ts b/server/src/__tests__/plugin-routes-authz.test.ts
index 3bded76b2e2..35264ee14cf 100644
--- a/server/src/__tests__/plugin-routes-authz.test.ts
+++ b/server/src/__tests__/plugin-routes-authz.test.ts
@@ -144,7 +144,7 @@ function readyPlugin() {
   });
 }
 
-describe.sequential("plugin install and upgrade authz", () => {
+describe("plugin install and upgrade authz", () => {
   beforeEach(() => {
     vi.clearAllMocks();
   });
@@ -410,7 +410,7 @@ describe.sequential("plugin install and upgrade authz", () => {
   }, 20_000);
 });
 
-describe.sequential("scoped plugin API routes", () => {
+describe("scoped plugin API routes", () => {
   beforeEach(() => {
     vi.clearAllMocks();
   });
@@ -476,7 +476,7 @@ describe.sequential("scoped plugin API routes", () => {
   }, 20_000);
 });
 
-describe.sequential("plugin local folder routes", () => {
+describe("plugin local folder routes", () => {
   beforeEach(() => {
     vi.clearAllMocks();
     mockRegistry.getCompanySettings.mockResolvedValue(null);
@@ -531,7 +531,7 @@ describe.sequential("plugin local folder routes", () => {
   });
 });
 
-describe.sequential("plugin tool and bridge authz", () => {
+describe("plugin tool and bridge authz", () => {
   beforeEach(() => {
     vi.clearAllMocks();
   });
@@ -1104,7 +1104,7 @@ describe.sequential("plugin tool and bridge authz", () => {
   });
 });
 
-describe.sequential("operator-hidden plugin management floor", () => {
+describe("operator-hidden plugin management floor", () => {
   beforeEach(() => {
     vi.clearAllMocks();
     process.env.PAPERCLIP_HIDDEN_SETTINGS = "instance.plugins";
diff --git a/server/src/__tests__/plugin-scoped-api-routes.test.ts b/server/src/__tests__/plugin-scoped-api-routes.test.ts
index 4e2ce297bc0..36e8444197f 100644
--- a/server/src/__tests__/plugin-scoped-api-routes.test.ts
+++ b/server/src/__tests__/plugin-scoped-api-routes.test.ts
@@ -94,7 +94,7 @@ async function createApp(input: {
   return { app, workerManager };
 }
 
-describe.sequential("plugin scoped API routes", () => {
+describe("plugin scoped API routes", () => {
   const pluginId = "11111111-1111-4111-8111-111111111111";
   const companyId = "22222222-2222-4222-8222-222222222222";
   const agentId = "33333333-3333-4333-8333-333333333333";
diff --git a/server/src/__tests__/plugin-secrets-handler.test.ts b/server/src/__tests__/plugin-secrets-handler.test.ts
index f073b65a93e..002384c1cf5 100644
--- a/server/src/__tests__/plugin-secrets-handler.test.ts
+++ b/server/src/__tests__/plugin-secrets-handler.test.ts
@@ -23,7 +23,7 @@ import { secretService } from "../services/secrets.js";
 
 const pluginId = "11111111-1111-4111-8111-111111111111";
 const embeddedPostgresSupport = await getEmbeddedPostgresTestSupport();
-const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe.sequential : describe.skip;
+const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe : describe.skip;
 
 if (!embeddedPostgresSupport.supported) {
   console.warn(
diff --git a/server/src/__tests__/routines-e2e.test.ts b/server/src/__tests__/routines-e2e.test.ts
index 42e7ef0b465..d08c2b51ada 100644
--- a/server/src/__tests__/routines-e2e.test.ts
+++ b/server/src/__tests__/routines-e2e.test.ts
@@ -87,7 +87,7 @@ function registerRoutineServiceMock() {
 }
 
 const embeddedPostgresSupport = await getEmbeddedPostgresTestSupport();
-const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe.sequential : describe.skip;
+const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe : describe.skip;
 
 if (!embeddedPostgresSupport.supported) {
   console.warn(
diff --git a/server/src/__tests__/teams-catalog-install-no-overrides.test.ts b/server/src/__tests__/teams-catalog-install-no-overrides.test.ts
index 7e085dd8e69..562a2f39040 100644
--- a/server/src/__tests__/teams-catalog-install-no-overrides.test.ts
+++ b/server/src/__tests__/teams-catalog-install-no-overrides.test.ts
@@ -12,7 +12,7 @@ import {
 import { teamsCatalogService } from "../services/teams-catalog.js";
 
 const embeddedPostgresSupport = await getEmbeddedPostgresTestSupport();
-const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe.sequential : describe.skip;
+const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe : describe.skip;
 
 if (!embeddedPostgresSupport.supported) {
   console.warn(
diff --git a/server/src/__tests__/workspace-runtime-routes-authz.test.ts b/server/src/__tests__/workspace-runtime-routes-authz.test.ts
index cd7efe6ea47..98522fd333d 100644
--- a/server/src/__tests__/workspace-runtime-routes-authz.test.ts
+++ b/server/src/__tests__/workspace-runtime-routes-authz.test.ts
@@ -202,7 +202,7 @@ function buildExecutionWorkspace(overrides: Record<string, unknown> = {}) {
   };
 }
 
-describe.sequential("workspace runtime service route authorization", () => {
+describe("workspace runtime service route authorization", () => {
   const projectId = "11111111-1111-4111-8111-111111111111";
   const workspaceId = "22222222-2222-4222-8222-222222222222";
   const executionWorkspaceId = "33333333-3333-4333-8333-333333333333";
diff --git a/server/src/__tests__/write-path-membership.test.ts b/server/src/__tests__/write-path-membership.test.ts
index 2a4a7658439..39d25762185 100644
--- a/server/src/__tests__/write-path-membership.test.ts
+++ b/server/src/__tests__/write-path-membership.test.ts
@@ -116,7 +116,7 @@ function resetMocks() {
   mockGetTelemetryClient.mockReturnValue({ track: vi.fn() });
 }
 
-describe.sequential("write-path membership checks (viewer / inactive)", () => {
+describe("write-path membership checks (viewer / inactive)", () => {
   beforeEach(() => {
     resetMocks();
   });
diff --git a/server/src/services/chat-discord-command-registration-store.test.ts b/server/src/services/chat-discord-command-registration-store.test.ts
index 41dedaae65e..02f8c877475 100644
--- a/server/src/services/chat-discord-command-registration-store.test.ts
+++ b/server/src/services/chat-discord-command-registration-store.test.ts
@@ -32,7 +32,7 @@ const external = process.env.PAPERCLIP_TEST_DATABASE_URL;
 const support = external
   ? { supported: true }
   : await getEmbeddedPostgresTestSupport();
-const suite = support.supported ? describe.sequential : describe.skip;
+const suite = support.supported ? describe : describe.skip;
 const token = "PRIVATE-DISCORD-REGISTRATION-TOKEN";
 let serial = 0n;
 const appId = () =>
diff --git a/server/src/services/chat-teams-file-publication.test.ts b/server/src/services/chat-teams-file-publication.test.ts
index fbea0cf7968..72f48c6f93e 100644
--- a/server/src/services/chat-teams-file-publication.test.ts
+++ b/server/src/services/chat-teams-file-publication.test.ts
@@ -29,7 +29,7 @@ const external = process.env.PAPERCLIP_TEST_DATABASE_URL;
 const support = external
   ? { supported: true }
   : await getEmbeddedPostgresTestSupport();
-const suite = support.supported ? describe.sequential : describe.skip;
+const suite = support.supported ? describe : describe.skip;
 suite("Teams same-transaction publication projection (real PostgreSQL)", () => {
   let db: ReturnType<typeof createDb>;
   let temporary:
diff --git a/server/src/services/chat-teams-file-transfers.test.ts b/server/src/services/chat-teams-file-transfers.test.ts
index 7b5814dd7e1..ad6b5084c17 100644
--- a/server/src/services/chat-teams-file-transfers.test.ts
+++ b/server/src/services/chat-teams-file-transfers.test.ts
@@ -48,7 +48,7 @@ const external = process.env.PAPERCLIP_TEST_DATABASE_URL;
 const support = external
   ? { supported: true }
   : await getEmbeddedPostgresTestSupport();
-const suite = support.supported ? describe.sequential : describe.skip;
+const suite = support.supported ? describe : describe.skip;
 const bytes = Buffer.from("Exact Teams file bytes\n");
 const uploadUrl =
   "https://tenant-my.sharepoint.com/personal/user/_api/upload?token=PRIVATE-TEAMS-UPLOAD-CANARY";
diff --git a/server/src/services/native-runtime/native-warm-transition-restart.integration.test.ts b/server/src/services/native-runtime/native-warm-transition-restart.integration.test.ts
index 7fd2fe0ac19..c60b376fed5 100644
--- a/server/src/services/native-runtime/native-warm-transition-restart.integration.test.ts
+++ b/server/src/services/native-runtime/native-warm-transition-restart.integration.test.ts
@@ -44,7 +44,7 @@ const managedFixtureDirectory =
   process.env.PAPERCLIP_WARM_TRANSITION_MANAGED_FIXTURE_DIRECTORY;
 const databaseUrl = process.env.PAPERCLIP_TEST_DATABASE_URL;
 const generated =
-  fixtureDirectory && databaseUrl ? describe.sequential : describe.skip;
+  fixtureDirectory && databaseUrl ? describe : describe.skip;
 
 type Identity = {
   runnerInstanceId: string;
diff --git a/server/vitest.config.ts b/server/vitest.config.ts
index 239bce1bc3b..71e8df328a2 100644
--- a/server/vitest.config.ts
+++ b/server/vitest.config.ts
@@ -39,6 +39,9 @@ export default defineConfig({
     maxWorkers: 1,
     minWorkers: 1,
     pool: "forks",
+    // Server suites share process state and one embedded Postgres instance,
+    // so tests inside a file must run one at a time. Do not set
+    // sequence.concurrent to true.
     sequence: {
       concurrent: false,
       hooks: "list",