diff --git a/src/features/chat/chat-state-actions.ts b/src/features/chat/chat-state-actions.ts
index 0a1d7a16..bcdaa9e6 100644
--- a/src/features/chat/chat-state-actions.ts
+++ b/src/features/chat/chat-state-actions.ts
@@ -1,7 +1,7 @@
 import type { InitializeResponse } from "../../generated/app-server/InitializeResponse";
 import type { Thread } from "../../generated/app-server/v2/Thread";
 import type { ThreadTokenUsage } from "../../generated/app-server/v2/ThreadTokenUsage";
-import type { ChatAction } from "./chat-state";
+import type { ChatAction, PendingTurnStart } from "./chat-state";
 import type { DisplayItem } from "./display/types";
 
 export function connectionInitializedAction(initializeResponse: InitializeResponse): ChatAction {
@@ -16,6 +16,10 @@ export function clearLocalTurnAction(): ChatAction {
   return { type: "turn/scoped-cleared" };
 }
 
+export function setRequestedCollaborationModeDefaultAction(): ChatAction {
+  return { type: "runtime/requested-collaboration-mode-set", collaborationMode: "default" };
+}
+
 export function clearActiveThreadAction(): ChatAction {
   return { type: "active-thread/cleared" };
 }
@@ -47,3 +51,19 @@ export function setDetailOpenAction(key: string, open: boolean): ChatAction {
 export function setUserInputDraftAction(key: string, value: string): ChatAction {
   return { type: "request/user-input-draft-set", key, value };
 }
+
+export function optimisticTurnStartedAction(item: DisplayItem, pendingTurnStart: PendingTurnStart): ChatAction {
+  return { type: "turn/optimistic-started", item, pendingTurnStart };
+}
+
+export function turnStartAcknowledgedAction(turnId: string, displayItems: readonly DisplayItem[]): ChatAction {
+  return { type: "turn/start-acknowledged", turnId, displayItems };
+}
+
+export function turnStartFailedAction(displayItems: readonly DisplayItem[]): ChatAction {
+  return { type: "turn/start-failed", displayItems };
+}
+
+export function addLocalUserMessageAction(item: DisplayItem): ChatAction {
+  return { type: "transcript/system-message-added", item };
+}
diff --git a/src/features/chat/chat-state-selectors.ts b/src/features/chat/chat-state-selectors.ts
index 879fec8b..9c4bb61e 100644
--- a/src/features/chat/chat-state-selectors.ts
+++ b/src/features/chat/chat-state-selectors.ts
@@ -1,8 +1,10 @@
-import { chatTurnBusy } from "./chat-state";
-import type { ChatState } from "./chat-state";
+import { activeTurnId as selectActiveTurnId, chatTurnBusy, pendingTurnStart } from "./chat-state";
+import type { ChatState, PendingTurnStart } from "./chat-state";
 import type { Thread } from "../../generated/app-server/v2/Thread";
 import type { PendingApproval } from "./requests/approvals/model";
 import type { PendingUserInput } from "./requests/user-input/model";
+import type { DisplayItem } from "./display/types";
+import { implementPlanCandidateFromState } from "./plan-implementation";
 
 export interface PendingRequestSnapshot {
   approvals: readonly PendingApproval[];
@@ -11,6 +13,15 @@ export interface PendingRequestSnapshot {
   openDetails: ReadonlySet<string>;
 }
 
+export interface SubmissionStateSnapshot {
+  activeThreadId: string | null;
+  activeTurnId: string | null;
+  busy: boolean;
+  listedThreads: readonly Thread[];
+  displayItems: readonly DisplayItem[];
+  pendingTurnStart: PendingTurnStart | null;
+}
+
 export function pendingRequestSnapshot(state: ChatState): PendingRequestSnapshot {
   return {
     approvals: state.requests.approvals,
@@ -35,3 +46,18 @@ export function listedThreads(state: ChatState): readonly Thread[] {
 export function displayItemsEmpty(state: ChatState): boolean {
   return state.transcript.displayItems.length === 0;
 }
+
+export function submissionStateSnapshot(state: ChatState): SubmissionStateSnapshot {
+  return {
+    activeThreadId: state.activeThread.id,
+    activeTurnId: selectActiveTurnId(state),
+    busy: chatTurnBusy(state),
+    listedThreads: state.threadList.listedThreads,
+    displayItems: state.transcript.displayItems,
+    pendingTurnStart: pendingTurnStart(state),
+  };
+}
+
+export function canImplementPlan(state: ChatState, item: DisplayItem): boolean {
+  return item.id === implementPlanCandidateFromState(state)?.id;
+}
diff --git a/src/features/chat/controllers/state-ports.ts b/src/features/chat/controllers/state-ports.ts
index f7d79b92..83638125 100644
--- a/src/features/chat/controllers/state-ports.ts
+++ b/src/features/chat/controllers/state-ports.ts
@@ -1,29 +1,7 @@
-import type { Thread } from "../../../generated/app-server/v2/Thread";
-import { activeTurnId, chatTurnBusy, pendingTurnStart, type ChatStateStore, type PendingTurnStart } from "../chat-state";
-import type { DisplayItem } from "../display/types";
-import { implementPlanCandidateFromState } from "../plan-implementation";
+import type { ChatStateStore } from "../chat-state";
 import { composerSlotSnapshot, goalSlotSnapshot, messagesSlotSnapshot, toolbarSlotSnapshot } from "../panel/snapshot";
 import { renderChatPanelShell } from "../ui/shell";
 
-interface SubmissionStateSnapshot {
-  activeThreadId: string | null;
-  activeTurnId: string | null;
-  busy: boolean;
-  listedThreads: readonly Thread[];
-  displayItems: readonly DisplayItem[];
-  pendingTurnStart: PendingTurnStart | null;
-}
-
-export interface SubmissionStatePort {
-  snapshot(): SubmissionStateSnapshot;
-  canImplementPlan(item: DisplayItem): boolean;
-  prepareImplementationTurn(): void;
-  optimisticTurnStarted(item: DisplayItem, pendingStart: PendingTurnStart): void;
-  turnStartAcknowledged(turnId: string, displayItems: readonly DisplayItem[]): void;
-  turnStartFailed(displayItems: readonly DisplayItem[]): void;
-  addLocalUserMessage(item: DisplayItem): void;
-}
-
 export interface ChatShellRenderPort {
   render(
     root: HTMLElement,
@@ -37,39 +15,6 @@ export interface ChatShellRenderPort {
   ): void;
 }
 
-export function createSubmissionStatePort(stateStore: ChatStateStore): SubmissionStatePort {
-  return {
-    snapshot() {
-      const state = stateStore.getState();
-      return {
-        activeThreadId: state.activeThread.id,
-        activeTurnId: activeTurnId(state),
-        busy: chatTurnBusy(state),
-        listedThreads: state.threadList.listedThreads,
-        displayItems: state.transcript.displayItems,
-        pendingTurnStart: pendingTurnStart(state),
-      };
-    },
-    canImplementPlan: (item) => item.id === implementPlanCandidateFromState(stateStore.getState())?.id,
-    prepareImplementationTurn() {
-      stateStore.dispatch({ type: "runtime/requested-collaboration-mode-set", collaborationMode: "default" });
-      stateStore.dispatch({ type: "ui/panel-set", panel: null });
-    },
-    optimisticTurnStarted(item, pendingStart) {
-      stateStore.dispatch({ type: "turn/optimistic-started", item, pendingTurnStart: pendingStart });
-    },
-    turnStartAcknowledged(turnId, displayItems) {
-      stateStore.dispatch({ type: "turn/start-acknowledged", turnId, displayItems });
-    },
-    turnStartFailed(displayItems) {
-      stateStore.dispatch({ type: "turn/start-failed", displayItems });
-    },
-    addLocalUserMessage(item) {
-      stateStore.dispatch({ type: "transcript/system-message-added", item });
-    },
-  };
-}
-
 export function createChatShellRenderPort(
   stateStore: ChatStateStore,
   options: {
diff --git a/src/features/chat/controllers/submission/composer-submission-controller.ts b/src/features/chat/controllers/submission/composer-submission-controller.ts
index 8454c5af..45d19204 100644
--- a/src/features/chat/controllers/submission/composer-submission-controller.ts
+++ b/src/features/chat/controllers/submission/composer-submission-controller.ts
@@ -1,10 +1,11 @@
 import type { AppServerClient } from "../../../../app-server/client";
+import { submissionStateSnapshot } from "../../chat-state-selectors";
+import type { ChatStateStore } from "../../chat-state";
 import { parseSlashCommand } from "../../composer/suggestions";
 import type { SlashCommandExecutionResult } from "../../slash-command-execution";
 import type { SlashCommandName } from "../../composer/slash-commands";
 import type { ReferencedThreadDisplay } from "../../../../domain/threads/reference";
 import type { UserInput } from "../../../../generated/app-server/v2/UserInput";
-import type { SubmissionStatePort } from "../state-ports";
 
 interface ComposerDraftPort {
   readonly trimmedDraft: string;
@@ -30,7 +31,7 @@ interface ComposerStatusPort {
 }
 
 export interface ComposerSubmissionControllerHost {
-  state: SubmissionStatePort;
+  stateStore: ChatStateStore;
   composer: ComposerDraftPort;
   slashCommands: ComposerSlashCommandPort;
   turnSubmission: ComposerTurnSubmissionPort;
@@ -43,7 +44,7 @@ export class ComposerSubmissionController {
 
   async submit(): Promise<void> {
     const draft = this.host.composer.trimmedDraft;
-    const state = this.host.state.snapshot();
+    const state = submissionStateSnapshot(this.host.stateStore.getState());
     if (state.busy && state.activeThreadId && state.activeTurnId && draft.length === 0) {
       await this.interruptTurn();
       return;
@@ -75,7 +76,7 @@ export class ComposerSubmissionController {
   }
 
   private async interruptTurn(): Promise<void> {
-    const state = this.host.state.snapshot();
+    const state = submissionStateSnapshot(this.host.stateStore.getState());
     const turnId = state.activeTurnId;
     const client = this.host.connection.currentClient();
     if (!client || !state.activeThreadId || !turnId) return;
diff --git a/src/features/chat/controllers/submission/plan-implementation-controller.ts b/src/features/chat/controllers/submission/plan-implementation-controller.ts
index 8a7f1509..164f18d6 100644
--- a/src/features/chat/controllers/submission/plan-implementation-controller.ts
+++ b/src/features/chat/controllers/submission/plan-implementation-controller.ts
@@ -1,6 +1,8 @@
 import type { AppServerClient } from "../../../../app-server/client";
+import { closePanelsAction, setRequestedCollaborationModeDefaultAction } from "../../chat-state-actions";
+import { activeThreadId, canImplementPlan } from "../../chat-state-selectors";
+import type { ChatStateStore } from "../../chat-state";
 import type { DisplayItem } from "../../display/types";
-import type { SubmissionStatePort } from "../state-ports";
 
 const IMPLEMENT_PLAN_PROMPT = "Please implement this plan.";
 
@@ -14,7 +16,7 @@ interface PlanImplementationSubmissionPort {
 }
 
 export interface PlanImplementationControllerHost {
-  state: SubmissionStatePort;
+  stateStore: ChatStateStore;
   connection: PlanImplementationConnectionPort;
   submission: PlanImplementationSubmissionPort;
 }
@@ -23,15 +25,16 @@ export class PlanImplementationController {
   constructor(private readonly host: PlanImplementationControllerHost) {}
 
   canImplement(item: DisplayItem): boolean {
-    return this.host.state.canImplementPlan(item);
+    return canImplementPlan(this.host.stateStore.getState(), item);
   }
 
   async implement(item: DisplayItem): Promise<void> {
     if (!this.canImplement(item)) return;
     await this.host.connection.ensureConnected();
-    if (!this.host.connection.currentClient() || !this.host.state.snapshot().activeThreadId) return;
+    if (!this.host.connection.currentClient() || !activeThreadId(this.host.stateStore.getState())) return;
 
-    this.host.state.prepareImplementationTurn();
+    this.host.stateStore.dispatch(setRequestedCollaborationModeDefaultAction());
+    this.host.stateStore.dispatch(closePanelsAction());
     await this.host.submission.sendTurnText(IMPLEMENT_PLAN_PROMPT);
   }
 }
diff --git a/src/features/chat/controllers/submission/slash-command-controller.ts b/src/features/chat/controllers/submission/slash-command-controller.ts
index ee6079dd..1c31470a 100644
--- a/src/features/chat/controllers/submission/slash-command-controller.ts
+++ b/src/features/chat/controllers/submission/slash-command-controller.ts
@@ -16,7 +16,8 @@ import type { ReasoningEffort } from "../../../../generated/app-server/Reasoning
 import type { ThreadGoal } from "../../../../generated/app-server/v2/ThreadGoal";
 import type { ThreadGoalStatus } from "../../../../generated/app-server/v2/ThreadGoalStatus";
 import type { UserInput } from "../../../../generated/app-server/v2/UserInput";
-import type { SubmissionStatePort } from "../state-ports";
+import { submissionStateSnapshot } from "../../chat-state-selectors";
+import type { ChatStateStore } from "../../chat-state";
 
 export interface SlashCommandThreadPort {
   startNewThread: () => Promise<void>;
@@ -57,7 +58,7 @@ export interface SlashCommandGoalPort {
 }
 
 export interface SlashCommandControllerHost {
-  state: SubmissionStatePort;
+  stateStore: ChatStateStore;
   currentClient: () => AppServerClient | null;
   codexInput: (text: string) => UserInput[];
   threads: SlashCommandThreadPort;
@@ -70,7 +71,7 @@ export class SlashCommandController {
   constructor(private readonly host: SlashCommandControllerHost) {}
 
   async execute(command: SlashCommandName, args: string): Promise<SlashCommandExecutionResult | undefined> {
-    const state = this.host.state.snapshot();
+    const state = submissionStateSnapshot(this.host.stateStore.getState());
     const client = this.host.currentClient();
     if (!client && command !== "reconnect" && command !== "compact") return;
     return runSlashCommand(command, args, {
diff --git a/src/features/chat/controllers/submission/turn-submission-controller.ts b/src/features/chat/controllers/submission/turn-submission-controller.ts
index b3afb645..3abd9efd 100644
--- a/src/features/chat/controllers/submission/turn-submission-controller.ts
+++ b/src/features/chat/controllers/submission/turn-submission-controller.ts
@@ -1,6 +1,14 @@
 import type { AppServerClient } from "../../../../app-server/client";
 import type { UserInput } from "../../../../generated/app-server/v2/UserInput";
 import type { ReferencedThreadDisplay } from "../../../../domain/threads/reference";
+import {
+  addLocalUserMessageAction,
+  optimisticTurnStartedAction,
+  turnStartAcknowledgedAction,
+  turnStartFailedAction,
+} from "../../chat-state-actions";
+import { submissionStateSnapshot } from "../../chat-state-selectors";
+import type { ChatStateStore } from "../../chat-state";
 import {
   acknowledgeOptimisticTurnStart,
   cleanupFailedTurnStart,
@@ -8,7 +16,6 @@ import {
   optimisticTurnStart,
   shouldAcknowledgeTurnStart,
 } from "./turn-submission";
-import type { SubmissionStatePort } from "../state-ports";
 
 export interface TurnSubmissionConnectionPort {
   vaultPath: string;
@@ -46,7 +53,7 @@ export interface TurnSubmissionStatusPort {
 }
 
 export interface TurnSubmissionControllerHost {
-  state: SubmissionStatePort;
+  stateStore: ChatStateStore;
   connection: TurnSubmissionConnectionPort;
   restoredThread: TurnSubmissionRestoredThreadPort;
   thread: TurnSubmissionThreadPort;
@@ -64,7 +71,7 @@ export class TurnSubmissionController {
     const client = this.host.connection.currentClient();
     if (!client) return;
 
-    const initialState = this.host.state.snapshot();
+    const initialState = submissionStateSnapshot(this.host.stateStore.getState());
     if (initialState.busy) {
       await this.steerCurrentTurn(client, text, codexInputOverride, referencedThread);
       return;
@@ -78,7 +85,7 @@ export class TurnSubmissionController {
         this.host.thread.notifyActiveThreadIdentityChanged();
         this.host.thread.resetThreadTurnPresence(false);
       }
-      const activeThreadId = this.host.state.snapshot().activeThreadId;
+      const activeThreadId = submissionStateSnapshot(this.host.stateStore.getState()).activeThreadId;
       if (!activeThreadId) return;
       if (!(await this.host.runtime.applyPendingThreadSettings())) return;
 
@@ -90,13 +97,13 @@ export class TurnSubmissionController {
         codexInput,
         referencedThread,
       });
-      this.host.state.optimisticTurnStarted(optimistic.item, optimistic.pendingTurnStart);
+      this.host.stateStore.dispatch(optimisticTurnStartedAction(optimistic.item, optimistic.pendingTurnStart));
       this.host.view.forceMessagesToBottom();
       this.host.composer.setDraft("");
       this.host.view.render();
 
       const response = await client.startTurn(activeThreadId, this.host.connection.vaultPath, codexInput, optimisticUserId);
-      const acknowledgedState = this.host.state.snapshot();
+      const acknowledgedState = submissionStateSnapshot(this.host.stateStore.getState());
       const pendingStart = acknowledgedState.pendingTurnStart;
       if (
         shouldAcknowledgeTurnStart({
@@ -112,17 +119,17 @@ export class TurnSubmissionController {
           turnId: response.turn.id,
           pendingTurnStart: pendingStart,
         });
-        this.host.state.turnStartAcknowledged(response.turn.id, displayItems);
+        this.host.stateStore.dispatch(turnStartAcknowledgedAction(response.turn.id, displayItems));
         this.host.status.setStatus("Turn running...");
       }
     } catch (error) {
-      const failedState = this.host.state.snapshot();
+      const failedState = submissionStateSnapshot(this.host.stateStore.getState());
       const displayItems = cleanupFailedTurnStart({
         items: failedState.displayItems,
         optimisticUserId,
         pendingTurnStart: failedState.pendingTurnStart,
       });
-      this.host.state.turnStartFailed(displayItems);
+      this.host.stateStore.dispatch(turnStartFailedAction(displayItems));
       this.host.composer.setDraft(text);
       this.host.status.addSystemMessage(error instanceof Error ? error.message : String(error));
     }
@@ -135,7 +142,7 @@ export class TurnSubmissionController {
     codexInputOverride?: UserInput[],
     referencedThread?: ReferencedThreadDisplay,
   ): Promise<void> {
-    const state = this.host.state.snapshot();
+    const state = submissionStateSnapshot(this.host.stateStore.getState());
     const threadId = state.activeThreadId;
     const expectedTurnId = state.activeTurnId;
     if (!threadId || !expectedTurnId) {
@@ -149,14 +156,16 @@ export class TurnSubmissionController {
 
     try {
       await client.steerTurn(threadId, expectedTurnId, codexInput, localSteerId);
-      this.host.state.addLocalUserMessage(
-        localUserMessageItemFromInput({
-          id: localSteerId,
-          text,
-          turnId: expectedTurnId,
-          referencedThread,
-          codexInput,
-        }),
+      this.host.stateStore.dispatch(
+        addLocalUserMessageAction(
+          localUserMessageItemFromInput({
+            id: localSteerId,
+            text,
+            turnId: expectedTurnId,
+            referencedThread,
+            codexInput,
+          }),
+        ),
       );
       this.host.view.forceMessagesToBottom();
       this.host.status.setStatus("Steered current turn.");
diff --git a/src/features/chat/panel/controllers.ts b/src/features/chat/panel/controllers.ts
index e529b405..b78424c9 100644
--- a/src/features/chat/panel/controllers.ts
+++ b/src/features/chat/panel/controllers.ts
@@ -20,7 +20,7 @@ import { ChatConnectionController } from "../controllers/connection/connection-c
 import { ChatReconnectController } from "../controllers/connection/reconnect-controller";
 import { PendingRequestController } from "../controllers/requests/pending-request-controller";
 import { ServerRequestResponder } from "../controllers/requests/server-request-responder";
-import { createChatShellRenderPort, createSubmissionStatePort } from "../controllers/state-ports";
+import { createChatShellRenderPort } from "../controllers/state-ports";
 import { ComposerSubmissionController } from "../controllers/submission/composer-submission-controller";
 import { PlanImplementationController } from "../controllers/submission/plan-implementation-controller";
 import { SlashCommandController } from "../controllers/submission/slash-command-controller";
@@ -231,7 +231,6 @@ function createControllerContext(ports: ChatPanelContext) {
     viewId,
     stateStore,
     currentClient: client.getClient,
-    submissionState: createSubmissionStatePort(stateStore),
   };
 }
 
@@ -292,7 +291,6 @@ function createSubmissionControllerGroup(
     status,
     lifecycle,
     currentClient,
-    submissionState,
     client,
   } = context;
   const { messageScrollIntent } = lifecycle;
@@ -326,7 +324,7 @@ function createSubmissionControllerGroup(
   });
 
   const turnSubmission = new TurnSubmissionController({
-    state: submissionState,
+    stateStore,
     connection: {
       vaultPath: plugin.vaultPath,
       currentClient,
@@ -359,7 +357,7 @@ function createSubmissionControllerGroup(
     },
   });
   const slashCommands = new SlashCommandController({
-    state: submissionState,
+    stateStore,
     currentClient,
     codexInput: (text) => composerController.codexInput(text),
     threads: {
@@ -401,7 +399,7 @@ function createSubmissionControllerGroup(
     },
   });
   const planImplementation = new PlanImplementationController({
-    state: submissionState,
+    stateStore,
     connection: {
       currentClient,
       ensureConnected: client.ensureConnected,
@@ -440,7 +438,7 @@ function createSubmissionControllerGroup(
     },
   });
   const composerSubmission = new ComposerSubmissionController({
-    state: submissionState,
+    stateStore,
     composer: composerController,
     slashCommands,
     turnSubmission,
diff --git a/tests/features/chat/controllers/submission/composer-submission-controller.test.ts b/tests/features/chat/controllers/submission/composer-submission-controller.test.ts
index d376276e..eeb1d7ee 100644
--- a/tests/features/chat/controllers/submission/composer-submission-controller.test.ts
+++ b/tests/features/chat/controllers/submission/composer-submission-controller.test.ts
@@ -3,7 +3,6 @@ import { describe, expect, it, vi } from "vitest";
 import type { AppServerClient } from "../../../../../src/app-server/client";
 import { createChatState, createChatStateStore } from "../../../../../src/features/chat/chat-state";
 import { ComposerSubmissionController } from "../../../../../src/features/chat/controllers/submission/composer-submission-controller";
-import { createSubmissionStatePort } from "../../../../../src/features/chat/controllers/state-ports";
 import type { Thread } from "../../../../../src/generated/app-server/v2/Thread";
 
 function thread(id: string): Thread {
@@ -39,7 +38,7 @@ function createController(draft: string) {
   const sendTurnText = vi.fn().mockResolvedValue(undefined);
   const execute = vi.fn().mockResolvedValue(undefined);
   const controller = new ComposerSubmissionController({
-    state: createSubmissionStatePort(stateStore),
+    stateStore,
     composer: {
       get trimmedDraft() {
         return draft;
diff --git a/tests/features/chat/controllers/submission/plan-implementation-controller.test.ts b/tests/features/chat/controllers/submission/plan-implementation-controller.test.ts
index b9cfb293..c3833b52 100644
--- a/tests/features/chat/controllers/submission/plan-implementation-controller.test.ts
+++ b/tests/features/chat/controllers/submission/plan-implementation-controller.test.ts
@@ -7,7 +7,6 @@ import {
   PlanImplementationController,
   type PlanImplementationControllerHost,
 } from "../../../../../src/features/chat/controllers/submission/plan-implementation-controller";
-import { createSubmissionStatePort } from "../../../../../src/features/chat/controllers/state-ports";
 import type { DisplayItem } from "../../../../../src/features/chat/display/types";
 
 const planItem = (id: string): DisplayItem => ({
@@ -40,7 +39,7 @@ function createController({ client = {} as AppServerClient } = {}) {
   const ensureConnected = vi.fn().mockResolvedValue(undefined);
   const sendTurnText = vi.fn().mockResolvedValue(undefined);
   const host: PlanImplementationControllerHost = {
-    state: createSubmissionStatePort(stateStore),
+    stateStore,
     connection: {
       currentClient: () => client,
       ensureConnected,
diff --git a/tests/features/chat/controllers/submission/slash-command-controller.test.ts b/tests/features/chat/controllers/submission/slash-command-controller.test.ts
index 83c33430..b19f3649 100644
--- a/tests/features/chat/controllers/submission/slash-command-controller.test.ts
+++ b/tests/features/chat/controllers/submission/slash-command-controller.test.ts
@@ -10,7 +10,6 @@ import {
   type SlashCommandStatusPort,
   type SlashCommandThreadPort,
 } from "../../../../../src/features/chat/controllers/submission/slash-command-controller";
-import { createSubmissionStatePort } from "../../../../../src/features/chat/controllers/state-ports";
 import type { Thread } from "../../../../../src/generated/app-server/v2/Thread";
 import type { UserInput } from "../../../../../src/generated/app-server/v2/UserInput";
 
@@ -99,7 +98,7 @@ function createHost(overrides: SlashCommandHostOverrides = {}) {
     ...goalOverrides,
   };
   const host: SlashCommandControllerHost = {
-    state: createSubmissionStatePort(stateStore),
+    stateStore,
     currentClient: () => client,
     codexInput: vi.fn((text: string) => textInput(text)),
     threads,
diff --git a/tests/features/chat/controllers/submission/turn-submission-controller.test.ts b/tests/features/chat/controllers/submission/turn-submission-controller.test.ts
index fb3f500a..3facb10e 100644
--- a/tests/features/chat/controllers/submission/turn-submission-controller.test.ts
+++ b/tests/features/chat/controllers/submission/turn-submission-controller.test.ts
@@ -13,7 +13,6 @@ import {
   type TurnSubmissionThreadPort,
   type TurnSubmissionViewPort,
 } from "../../../../../src/features/chat/controllers/submission/turn-submission-controller";
-import { createSubmissionStatePort } from "../../../../../src/features/chat/controllers/state-ports";
 import type { Thread } from "../../../../../src/generated/app-server/v2/Thread";
 import type { UserInput } from "../../../../../src/generated/app-server/v2/UserInput";
 
@@ -123,7 +122,7 @@ function createHost(overrides: TurnSubmissionHostOverrides = {}) {
     ...statusOverrides,
   };
   const host: TurnSubmissionControllerHost = {
-    state: createSubmissionStatePort(stateStore),
+    stateStore,
     connection,
     restoredThread,
     thread: threadPort,