Remove unnecessary type assertions across codebase

Add oxlint-tsgolint and configure typescript/no-unnecessary-type-assertion
to flag redundant `!` and `as Foo` casts. Type-aware mode is left off by
default to keep `npm run lint` fast; the rule sits configured for when we
turn type-aware on intentionally. Auto-fix removed ~283 redundant casts;
two manual touch-ups: a real tsgolint false positive in split-container.tsx
and a stale ChildProcess import after a double-cast collapsed.

packages/app/src/app/_layout.tsx

@@ -422,7 +422,7 @@ function AppContainer({
   const cycleTheme = useCallback(() => {
     const currentIndex = THEME_CYCLE_ORDER.indexOf(settings.theme as ThemeName);
     const nextIndex = (currentIndex + 1) % THEME_CYCLE_ORDER.length;
-    void updateSettings({ theme: THEME_CYCLE_ORDER[nextIndex]! });
+    void updateSettings({ theme: THEME_CYCLE_ORDER[nextIndex] });
   }, [settings.theme, updateSettings]);
 
   const isCompactLayout = useIsCompactFormFactor();
@@ -785,7 +785,7 @@ function AppWithSidebar({ children }: { children: ReactNode }) {
     if (hosts.some((host) => host.serverId === activeServerId)) {
       return;
     }
-    router.replace(mapPathnameToServer(pathname, hosts[0]!.serverId));
+    router.replace(mapPathnameToServer(pathname, hosts[0].serverId));
   }, [activeServerId, hosts, pathname, router]);
 
   // Parse selectedAgentKey directly from pathname

packages/app/src/attachments/web/indexeddb-attachment-store.test.ts

@@ -22,9 +22,9 @@ class FakeRequest<T = unknown> {
 class FakeObjectStore {
   constructor(private readonly onPut: (record: unknown) => void) {}
 
-  put(record: unknown): FakeRequest<unknown> {
+  put(record: unknown): FakeRequest {
     this.onPut(record);
-    const request = new FakeRequest<unknown>();
+    const request = new FakeRequest();
     queueMicrotask(() => request.emit("success"));
     return request;
   }

packages/app/src/attachments/web/indexeddb-attachment-store.ts

@@ -61,7 +61,7 @@ function runTx<T>(
     const request = run(store);
 
     request.addEventListener("success", () => {
-      resolve(request.result as T);
+      resolve(request.result);
     });
 
     request.addEventListener("error", () => {

packages/app/src/components/agent-status-bar.tsx

@@ -234,7 +234,7 @@ function buildFallbackAllProviderModels(
   map.set(
     provider,
     modelOptions.map((option) => ({
-      provider: provider as AgentProvider,
+      provider: provider,
       id: option.id,
       label: option.label,
     })),

packages/app/src/components/browser-pane.electron.tsx

@@ -461,7 +461,7 @@ export function BrowserPane({
     };
     const handleFaviconUpdated = (event: Event) => {
       const favicons = Array.isArray((event as Event & { favicons?: unknown[] }).favicons)
-        ? (((event as Event & { favicons?: string[] }).favicons as string[] | undefined) ?? [])
+        ? ((event as Event & { favicons?: string[] }).favicons ?? [])
         : [];
       updateBrowserRef.current(browserIdRef.current, { faviconUrl: favicons[0] ?? null });
     };

packages/app/src/components/combined-model-selector.test.ts

@@ -63,8 +63,8 @@ describe("combined model selector helpers", () => {
       }),
     ]);
 
-    expect(matchesSearch(rows[0]!, "claude")).toBe(true);
-    expect(matchesSearch(rows[1]!, "gpt-5.4")).toBe(true);
+    expect(matchesSearch(rows[0], "claude")).toBe(true);
+    expect(matchesSearch(rows[1], "gpt-5.4")).toBe(true);
   });
 
   it("keeps the selected trigger label model-only", () => {

packages/app/src/components/combined-model-selector.tsx

@@ -622,7 +622,7 @@ export function CombinedModelSelector({
   const singleProviderView = useMemo<SelectorView | null>(() => {
     const providers = Array.from(allProviderModels.keys());
     if (providers.length !== 1) return null;
-    const providerId = providers[0]!;
+    const providerId = providers[0];
     const label = resolveProviderLabel(providerDefinitions, providerId);
     return { kind: "provider", providerId, providerLabel: label };
   }, [allProviderModels, providerDefinitions]);
@@ -655,7 +655,7 @@ export function CombinedModelSelector({
 
   const handleSelect = useCallback(
     (provider: string, modelId: string) => {
-      onSelect(provider as AgentProvider, modelId);
+      onSelect(provider, modelId);
       setIsOpen(false);
       setSearchQuery("");
     },

packages/app/src/components/composer.tsx

@@ -160,20 +160,17 @@ function removeAttachmentAtIndex<T extends ComposerAttachment>(prev: T[], index:
 }
 
 function buildCancelButtonStyle(isConnected: boolean, isCancellingAgent: boolean): object[] {
-  const disabled =
-    !isConnected || isCancellingAgent ? (styles.buttonDisabled as object) : undefined;
-  return [styles.cancelButton as object, disabled].filter((value): value is object =>
-    Boolean(value),
-  );
+  const disabled = !isConnected || isCancellingAgent ? styles.buttonDisabled : undefined;
+  return [styles.cancelButton, disabled].filter((value): value is object => Boolean(value));
 }
 
 function buildRealtimeVoiceButtonStyle(
   hovered: boolean | undefined,
   voiceButtonDisabled: boolean,
 ): object[] {
-  const hoveredStyle = hovered ? (styles.iconButtonHovered as object) : undefined;
-  const disabledStyle = voiceButtonDisabled ? (styles.buttonDisabled as object) : undefined;
-  return [styles.realtimeVoiceButton as object, hoveredStyle, disabledStyle].filter(
+  const hoveredStyle = hovered ? styles.iconButtonHovered : undefined;
+  const disabledStyle = voiceButtonDisabled ? styles.buttonDisabled : undefined;
+  return [styles.realtimeVoiceButton, hoveredStyle, disabledStyle].filter(
     (value): value is object => Boolean(value),
   );
 }

packages/app/src/components/file-explorer-pane.tsx

@@ -132,7 +132,7 @@ function TreeRowItem({
   );
 
   const handleCopy = useCallback(() => {
-    void onCopyPath(entry.path);
+    onCopyPath(entry.path);
   }, [onCopyPath, entry.path]);
 
   const handleDownload = useCallback(() => {

packages/app/src/components/project-picker-modal.tsx

@@ -29,7 +29,7 @@ interface PathRowProps {
 function PathRow({ path, active, onSelect }: PathRowProps) {
   const { theme } = useUnistyles();
   const handlePress = useCallback(() => {
-    void onSelect(path);
+    onSelect(path);
   }, [onSelect, path]);
   const pressableStyle = useCallback(
     ({ hovered = false, pressed }: PressableStateCallbackType & { hovered?: boolean }) => [
@@ -172,7 +172,7 @@ export function ProjectPickerModal() {
       if (key === "Enter") {
         event.preventDefault();
         if (options.length > 0 && activeIndex < options.length) {
-          void handleSelectPath(options[activeIndex]!);
+          void handleSelectPath(options[activeIndex]);
         } else if (query.trim()) {
           handleSubmitCustom();
         }

packages/app/src/components/provider-diagnostic-sheet.tsx

@@ -117,7 +117,7 @@ function CustomModelsSection(props: {
           },
         },
       });
-      await refresh([provider as AgentProvider]);
+      await refresh([provider]);
     },
     [patchConfig, provider, refresh],
   );
@@ -284,7 +284,7 @@ export function ProviderDiagnosticSheet({
       }
 
       try {
-        const result = await client.getProviderDiagnostic(provider as AgentProvider);
+        const result = await client.getProviderDiagnostic(provider);
         setDiagnostic(result.diagnostic);
       } catch (err) {
         setDiagnostic(err instanceof Error ? err.message : "Failed to fetch diagnostic");
@@ -308,7 +308,7 @@ export function ProviderDiagnosticSheet({
     if (!provider) {
       return;
     }
-    void Promise.all([refresh([provider as AgentProvider]), fetchDiagnostic()]).catch((err) => {
+    void Promise.all([refresh([provider]), fetchDiagnostic()]).catch((err) => {
       setDiagnostic(err instanceof Error ? err.message : "Failed to refresh provider");
     });
   }, [fetchDiagnostic, provider, refresh]);

packages/app/src/components/sidebar-workspace-list.test.tsx

@@ -351,7 +351,7 @@ describe("sidebar workspace render isolation", () => {
     act(() => {
       useSessionStore.getState().mergeWorkspaces(SERVER_ID, [
         {
-          ...createWorkspaces()[1]!,
+          ...createWorkspaces()[1],
           status: "running",
         },
       ]);

packages/app/src/components/sidebar-workspace-list.tsx

@@ -439,7 +439,7 @@ function WorkspaceStatusIndicator({
     );
   }
 
-  let KindIcon: typeof ThemedMonitor | typeof ThemedFolderGit2 | null;
+  let KindIcon: typeof ThemedMonitor | null;
   if (workspaceKind === "local_checkout") KindIcon = ThemedMonitor;
   else if (workspaceKind === "worktree") KindIcon = ThemedFolderGit2;
   else KindIcon = null;

packages/app/src/components/ui/combobox.tsx

@@ -488,7 +488,7 @@ function handleDesktopEnterKey(input: DesktopKeyHandlerInput) {
   if (input.orderedVisibleOptions.length === 0) return;
   const { activeIndex, orderedVisibleOptions } = input;
   const index = activeIndex >= 0 && activeIndex < orderedVisibleOptions.length ? activeIndex : 0;
-  input.handleSelect(orderedVisibleOptions[index]!.id);
+  input.handleSelect(orderedVisibleOptions[index].id);
 }
 
 interface FloatingSizeSetters {

packages/app/src/components/use-web-scrollbar.tsx

@@ -140,9 +140,9 @@ export function useWebScrollViewScrollbar(
       const scrollable = scrollableRef.current;
       if (!scrollable) return;
       if ("scrollToOffset" in scrollable) {
-        (scrollable as FlatList).scrollToOffset({ offset, animated: false });
+        scrollable.scrollToOffset({ offset, animated: false });
       } else {
-        (scrollable as ScrollView).scrollTo({ y: offset, animated: false });
+        scrollable.scrollTo({ y: offset, animated: false });
       }
     },
     [scrollableRef],

packages/app/src/contexts/session-context.tsx

@@ -14,11 +14,7 @@ import {
   type TimelineReducerSideEffect,
 } from "@/timeline/session-stream-reducers";
 import { TIMELINE_FETCH_PAGE_SIZE } from "@/timeline/timeline-fetch-policy";
-import type {
-  AgentAttachment,
-  AgentStreamEventPayload,
-  SessionOutboundMessage,
-} from "@server/shared/messages";
+import type { AgentAttachment, SessionOutboundMessage } from "@server/shared/messages";
 import { parseServerInfoStatusPayload } from "@server/shared/messages";
 import {
   buildAgentAttentionNotificationPayload,
@@ -1201,7 +1197,7 @@ function SessionProviderInternal({ children, serverId, client }: SessionProvider
       if (message.type !== "agent_stream") return;
       const { agentId, event, timestamp, seq, epoch } = message.payload;
       const parsedTimestamp = new Date(timestamp);
-      const streamEvent = event as AgentStreamEventPayload;
+      const streamEvent = event;
       if (
         event.type === "turn_started" ||
         event.type === "turn_completed" ||

packages/app/src/contexts/voice-context.tsx

@@ -140,7 +140,7 @@ export function VoiceProvider({ children }: VoiceProviderProps) {
     runtimeRef.current = runtime;
   }
 
-  const engine = engineRef.current!;
+  const engine = engineRef.current;
   const runtime = runtimeRef.current!;
 
   useEffect(() => {

packages/app/src/desktop/daemon/desktop-daemon-transport.ts

@@ -13,7 +13,7 @@ function encodeBinaryToBase64(data: Uint8Array | ArrayBuffer): string {
   const bytes = data instanceof ArrayBuffer ? new Uint8Array(data) : data;
   let binary = "";
   for (let index = 0; index < bytes.length; index += 1) {
-    binary += String.fromCharCode(bytes[index]!);
+    binary += String.fromCharCode(bytes[index]);
   }
   return globalThis.btoa(binary);
 }

packages/app/src/dictation/dictation-stream-sender.ts

@@ -110,7 +110,7 @@ export class DictationStreamSender {
     let sent = 0;
     while (this.sendSeq < this.segments.length) {
       const seq = this.sendSeq;
-      const audio = this.segments[seq]!;
+      const audio = this.segments[seq];
       client.sendDictationStreamChunk(dictationId, seq, audio, this.format);
       this.sendSeq = seq + 1;
       sent += 1;

packages/app/src/hooks/use-agent-form-state.test.ts

@@ -35,7 +35,7 @@ const TEST_CLAUDE_DEFINITION: AgentProviderDefinition = {
 function makeProviderMap(
   ...definitions: AgentProviderDefinition[]
 ): Map<AgentProvider, AgentProviderDefinition> {
-  return new Map(definitions.map((d) => [d.id as AgentProvider, d]));
+  return new Map(definitions.map((d) => [d.id, d]));
 }
 
 const codexProviderMap = makeProviderMap(TEST_CODEX_DEFINITION);

packages/app/src/hooks/use-agent-form-state.ts

@@ -196,8 +196,8 @@ function resolveProvider(input: {
   if (initialValues?.provider && allowedProviderMap.has(initialValues.provider)) {
     return initialValues.provider;
   }
-  if (preferences?.provider && allowedProviderMap.has(preferences.provider as AgentProvider)) {
-    return preferences.provider as AgentProvider;
+  if (preferences?.provider && allowedProviderMap.has(preferences.provider)) {
+    return preferences.provider;
   }
   if (currentProvider && allowedProviderMap.size > 0 && !allowedProviderMap.has(currentProvider)) {
     return null;
@@ -396,7 +396,7 @@ function buildProviderDefinitionMapForStatuses(args: {
 
   const matchingProviders = new Set(
     args.snapshotEntries
-      .filter((entry) => args.statuses.has(entry.status) && entry.enabled !== false)
+      .filter((entry) => args.statuses.has(entry.status) && entry.enabled)
       .map((entry) => entry.provider),
   );
 

packages/app/src/hooks/use-audio-recorder.web.ts

@@ -341,7 +341,7 @@ export function useAudioRecorder(config?: AudioCaptureConfig) {
     return () => {
       attemptGuard.cancel();
       try {
-        void mediaRecorder.current?.stop();
+        mediaRecorder.current?.stop();
       } catch {
         // Ignore stop during unmount.
       }

packages/app/src/hooks/use-command-center.ts

@@ -332,7 +332,7 @@ export function useCommandCenter() {
         if (currentItems.length === 0) return;
         event.preventDefault();
         const index = Math.max(0, Math.min(activeIndexRef.current, currentItems.length - 1));
-        handleSelectItemRef.current(currentItems[index]!);
+        handleSelectItemRef.current(currentItems[index]);
         return;
       }
 

packages/app/src/hooks/use-dictation-audio-source.web.ts

@@ -68,7 +68,7 @@ const concatInt16 = (a: Int16Array, b: Int16Array): Int16Array => {
 const int16ToFloat32 = (input: Int16Array): Float32Array => {
   const out = new Float32Array(input.length);
   for (let i = 0; i < input.length; i += 1) {
-    out[i] = input[i]! / 32768;
+    out[i] = input[i] / 32768;
   }
   return out;
 };
@@ -209,8 +209,8 @@ export function useDictationAudioSource(config: DictationAudioSourceConfig): Dic
   const decodeAudioData = useCallback(
     async (context: AudioContext, buffer: ArrayBuffer): Promise<AudioBuffer> => {
       const maybePromise = context.decodeAudioData(buffer);
-      if (maybePromise && typeof (maybePromise as Promise<AudioBuffer>).then === "function") {
-        return maybePromise as Promise<AudioBuffer>;
+      if (maybePromise && typeof maybePromise.then === "function") {
+        return maybePromise;
       }
       return await new Promise<AudioBuffer>((resolve, reject) => {
         context.decodeAudioData(buffer, resolve, reject);
@@ -276,7 +276,7 @@ export function useDictationAudioSource(config: DictationAudioSourceConfig): Dic
       },
     });
 
-    const stream = rawStream as MediaStream;
+    const stream = rawStream;
 
     const context = new AudioContextCtor();
 
@@ -347,7 +347,7 @@ export function useDictationAudioSource(config: DictationAudioSourceConfig): Dic
 
     const recorder = new RecorderCtor(stream, {
       mimeType: "audio/webm;codecs=opus",
-    } as MediaRecorderOptions) as MediaRecorder;
+    } as MediaRecorderOptions);
 
     const recorderRefs: RecorderRefs = {
       recorder,

packages/app/src/hooks/use-keyboard-shortcuts.ts

@@ -260,7 +260,7 @@ export function useKeyboardShortcuts({
     const handleCommandCenterToggle = (event: KeyboardEvent): boolean => {
       const store = useKeyboardShortcutsStore.getState();
       if (!store.commandCenterOpen) {
-        const target = event.target instanceof Element ? (event.target as Element) : null;
+        const target = event.target instanceof Element ? event.target : null;
         const targetEl =
           target?.closest?.("textarea, input, [contenteditable='true']") ??
           (target instanceof HTMLElement ? target : null);

packages/app/src/hooks/use-pr-pane-data.ts

@@ -86,7 +86,7 @@ export function usePrPaneData({
   const checkoutPrStatus = useCheckoutPrStatusQuery({ serverId, cwd, enabled });
   const status = checkoutPrStatus.status;
   const { prNumber, repoOwner, repoName } = extractPrRepoIdentity(status);
-  const githubFeaturesEnabled = checkoutPrStatus.githubFeaturesEnabled !== false;
+  const githubFeaturesEnabled = checkoutPrStatus.githubFeaturesEnabled;
   const unsupportedKey =
     prNumber === null ? null : timelineUnsupportedKey({ serverId, cwd, prNumber });
   const timelineUnsupported = unsupportedKey ? unsupportedTimelineKeys.has(unsupportedKey) : false;
@@ -100,7 +100,7 @@ export function usePrPaneData({
     timelineUnsupported,
   });
 
-  const timelineQuery = useQuery<PullRequestTimeline, Error>({
+  const timelineQuery = useQuery<PullRequestTimeline>({
     queryKey: prPaneTimelineQueryKey({ serverId, cwd, prNumber }),
     queryFn: async () => {
       if (!daemonClient || prNumber === null || repoOwner === null || repoName === null) {

packages/app/src/hooks/use-settings.ts

@@ -235,16 +235,16 @@ export async function loadSettingsFromStorage(): Promise<Settings> {
 function pickAppSettings(stored: Partial<AppSettings>): Partial<AppSettings> {
   const result: Partial<AppSettings> = {};
   if (typeof stored.theme === "string" && VALID_THEMES.has(stored.theme)) {
-    result.theme = stored.theme as AppSettings["theme"];
+    result.theme = stored.theme;
   }
   if (stored.sendBehavior === "interrupt" || stored.sendBehavior === "queue") {
     result.sendBehavior = stored.sendBehavior;
   }
   if (
     typeof stored.serviceUrlBehavior === "string" &&
-    VALID_SERVICE_URL_BEHAVIORS.has(stored.serviceUrlBehavior as ServiceUrlBehavior)
+    VALID_SERVICE_URL_BEHAVIORS.has(stored.serviceUrlBehavior)
   ) {
-    result.serviceUrlBehavior = stored.serviceUrlBehavior as ServiceUrlBehavior;
+    result.serviceUrlBehavior = stored.serviceUrlBehavior;
   }
   return result;
 }

packages/app/src/panels/agent-panel.tsx

@@ -750,7 +750,7 @@ function ChatAgentContent({
     };
   }, []);
 
-  const isInitializing = agentId ? isInitializingFromMap !== false : false;
+  const isInitializing = agentId ? isInitializingFromMap : false;
   const isHistorySyncing = useMemo(() => {
     if (!agentId || !isInitializing) {
       return false;

packages/app/src/review/surface.test.tsx

@@ -197,7 +197,7 @@ describe("useInlineReviewController", () => {
       body: "first comment",
     });
 
-    act(() => result.current.onEditComment(reviewTarget, savedComment!));
+    act(() => result.current.onEditComment(reviewTarget, savedComment));
     expect(result.current.editor).toEqual({
       target: reviewTarget,
       commentId: savedComment?.id,
@@ -208,8 +208,8 @@ describe("useInlineReviewController", () => {
     const updatedComment = useReviewDraftStore.getState().drafts[firstKey]?.[0];
     expect(updatedComment).toMatchObject({ id: savedComment?.id, body: "updated comment" });
 
-    act(() => result.current.onEditComment(reviewTarget, updatedComment!));
-    act(() => result.current.onDeleteComment(updatedComment!.id));
+    act(() => result.current.onEditComment(reviewTarget, updatedComment));
+    act(() => result.current.onDeleteComment(updatedComment.id));
     expect(useReviewDraftStore.getState().drafts[firstKey]).toEqual([]);
     expect(result.current.editor).toBeNull();
 

packages/app/src/screens/project-settings-screen.test.tsx

@@ -752,7 +752,7 @@ describe("ProjectSettingsScreen — save flow", () => {
     await flush();
 
     expect(client.writeProjectConfig).toHaveBeenCalledTimes(1);
-    const callArg = client.writeProjectConfig.mock.calls[0]![0] as {
+    const callArg = client.writeProjectConfig.mock.calls[0][0] as {
       repoRoot: string;
       config: PaseoConfigRaw;
       expectedRevision: PaseoConfigRevision | null;
@@ -767,7 +767,7 @@ describe("ProjectSettingsScreen — save flow", () => {
     // Subsequent saves use the freshly-returned revision.
     click(requireById("save-button"));
     await flush();
-    const secondArg = client.writeProjectConfig.mock.calls[1]![0] as {
+    const secondArg = client.writeProjectConfig.mock.calls[1][0] as {
       expectedRevision: PaseoConfigRevision;
     };
     expect(secondArg.expectedRevision).toEqual(newRevision);
@@ -869,7 +869,7 @@ describe("ProjectSettingsScreen — round-trip semantics", () => {
     click(requireById("save-button"));
     await flush();
 
-    const savedConfig = client.writeProjectConfig.mock.calls[0]![0]!.config as PaseoConfigRaw;
+    const savedConfig = client.writeProjectConfig.mock.calls[0][0]!.config as PaseoConfigRaw;
     // string stays string when edited in place
     expect(savedConfig.worktree?.setup).toBe("npm install\nnpm run prepare");
   });
@@ -897,7 +897,7 @@ describe("ProjectSettingsScreen — round-trip semantics", () => {
     click(requireById("save-button"));
     await flush();
 
-    const savedConfig = client.writeProjectConfig.mock.calls[0]![0]!.config as PaseoConfigRaw;
+    const savedConfig = client.writeProjectConfig.mock.calls[0][0]!.config as PaseoConfigRaw;
     expect(savedConfig.worktree?.teardown).toEqual(["docker compose down", "rm -rf .cache"]);
   });
 
@@ -920,7 +920,7 @@ describe("ProjectSettingsScreen — round-trip semantics", () => {
     click(requireById("save-button"));
     await flush();
 
-    const savedConfig = client.writeProjectConfig.mock.calls[0]![0]!.config as PaseoConfigRaw;
+    const savedConfig = client.writeProjectConfig.mock.calls[0][0]!.config as PaseoConfigRaw;
     expect(savedConfig.worktree?.setup).toBe("npm install");
   });
 
@@ -943,7 +943,7 @@ describe("ProjectSettingsScreen — round-trip semantics", () => {
     click(requireById("save-button"));
     await flush();
 
-    const savedConfig = client.writeProjectConfig.mock.calls[0]![0]!.config as PaseoConfigRaw;
+    const savedConfig = client.writeProjectConfig.mock.calls[0][0]!.config as PaseoConfigRaw;
     expect(savedConfig.worktree?.setup).toEqual(["npm install", "npm run prepare"]);
   });
 });
@@ -996,7 +996,7 @@ describe("ProjectSettingsScreen — scripts editor", () => {
     click(requireById("save-button"));
     await flush();
 
-    const savedConfig = client.writeProjectConfig.mock.calls[0]![0]!.config as PaseoConfigRaw;
+    const savedConfig = client.writeProjectConfig.mock.calls[0][0]!.config as PaseoConfigRaw;
     const scriptKeys = Object.keys((savedConfig as Record<string, unknown>).scripts ?? {});
     // One of the two scripts was removed.
     expect(scriptKeys.length).toBe(1);
@@ -1031,7 +1031,7 @@ describe("ProjectSettingsScreen — scripts editor", () => {
     click(requireById("save-button"));
     await flush();
 
-    const savedConfig = client.writeProjectConfig.mock.calls[0]![0]!.config as PaseoConfigRaw;
+    const savedConfig = client.writeProjectConfig.mock.calls[0][0]!.config as PaseoConfigRaw;
     expect((savedConfig as Record<string, unknown>).customTopLevel).toBe("preserved");
     const worktreeRecord = (savedConfig.worktree ?? {}) as Record<string, unknown>;
     expect(worktreeRecord.customWorktreeField).toBe("keep");

packages/app/src/screens/workspace/workspace-screen.tsx

@@ -1541,7 +1541,7 @@ function WorkspaceScreenContent({
       if (!client || !workspaceDirectory) {
         throw new Error("Host is not connected");
       }
-      return (await client.getCheckoutStatus(workspaceDirectory)) as CheckoutStatusPayload;
+      return await client.getCheckoutStatus(workspaceDirectory);
     },
     staleTime: Infinity,
     refetchOnMount: false,

packages/app/src/screens/workspace/workspace-tab-layout.test.ts

@@ -68,7 +68,7 @@ describe("computeWorkspaceTabLayout", () => {
     expect(result.closeButtonPolicy).toBe("all");
     expect(result.requiresHorizontalScrollFallback).toBe(false);
     expect(result.items.map((item) => item.width)).toEqual([60, 60, 60, 60]);
-    expect(result.items.every((item) => item.showLabel === false)).toBe(true);
+    expect(result.items.every((item) => !item.showLabel)).toBe(true);
   });
 
   it("allows horizontal scroll only when icon-only tabs still cannot fit", () => {
@@ -81,7 +81,7 @@ describe("computeWorkspaceTabLayout", () => {
     expect(result.closeButtonPolicy).toBe("all");
     expect(result.requiresHorizontalScrollFallback).toBe(true);
     expect(result.items.map((item) => item.width)).toEqual([60, 60, 60, 60]);
-    expect(result.items.every((item) => item.showLabel === false)).toBe(true);
+    expect(result.items.every((item) => !item.showLabel)).toBe(true);
   });
 
   it("returns empty layout details when there are no tabs", () => {

packages/app/src/screens/workspace/workspace-tab-model.test.ts

@@ -23,7 +23,7 @@ describe("deriveWorkspaceTabModel", () => {
     ];
 
     const model = deriveWorkspaceTabModel({
-      tabs: [uiTabs[0]!, uiTabs[2]!, uiTabs[1]!],
+      tabs: [uiTabs[0], uiTabs[2], uiTabs[1]],
     });
 
     expect(model.tabs.map((tab) => tab.descriptor.tabId)).toEqual([

packages/app/src/stores/workspace-layout-actions.ts

@@ -526,7 +526,7 @@ function findNearestSiblingPaneId(root: SplitNodeInternal, paneId: string): stri
 
   for (let depth = path.length - 1; depth >= 0; depth -= 1) {
     const parentPath = path.slice(0, depth);
-    const childIndex = path[depth]!;
+    const childIndex = path[depth];
     const parentNode = getNodeAtPath(root, parentPath);
     invariant(parentNode.kind === "group", "Expected parent group for pane lookup");
 
@@ -667,7 +667,7 @@ function removePaneByPath(root: SplitNodeInternal, path: number[]): SplitNodeInt
   }
 
   const parentPath = path.slice(0, -1);
-  const removeIndex = path[path.length - 1]!;
+  const removeIndex = path[path.length - 1];
   const parentNode = getNodeAtPath(root, parentPath);
   invariant(parentNode.kind === "group", "Expected parent group while removing pane");
 
@@ -676,7 +676,7 @@ function removePaneByPath(root: SplitNodeInternal, path: number[]): SplitNodeInt
 
   const nextParentNode =
     nextParentChildren.length === 1
-      ? nextParentChildren[0]!
+      ? nextParentChildren[0]
       : createGroupNode({
           id: parentNode.group.id,
           direction: parentNode.group.direction,

packages/app/src/stores/workspace-layout-store.test.ts

@@ -142,7 +142,7 @@ describe("workspace-layout-store tree transforms", () => {
 
     const nextRoot = insertSplit(root, "right", "tab-c", "right");
     const nextGroup = expectGroup(nextRoot);
-    const nestedGroup = expectGroup(nextGroup.group.children[1]!);
+    const nestedGroup = expectGroup(nextGroup.group.children[1]);
 
     expect(nextGroup.group.direction).toBe("horizontal");
     expect(nextGroup.group.children).toHaveLength(2);
@@ -259,7 +259,7 @@ describe("workspace-layout-store actions", () => {
       kind: "file",
       path: "/repo/worktree/b.ts",
     });
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
 
     expect(firstTabId).toBe("file_/repo/worktree/a.ts");
     expect(secondTabId).toBe("file_/repo/worktree/b.ts");
@@ -280,7 +280,7 @@ describe("workspace-layout-store actions", () => {
       kind: "setup",
       workspaceId: "ws-main",
     });
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
     const pane = findPaneById(layout.root, "main")!;
 
     expect(agentTabId).toBe("agent_agent-1");
@@ -306,7 +306,7 @@ describe("workspace-layout-store actions", () => {
       kind: "file",
       path: "/repo/worktree/a.ts",
     });
-    const layoutAfter = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layoutAfter = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
     const pane = findPaneById(layoutAfter.root, "main")!;
 
     expect(duplicateTabId).toBe(firstTabId);
@@ -380,7 +380,7 @@ describe("workspace-layout-store actions", () => {
 
     const firstTabId = store.openTabFocused(workspaceKey, { kind: "draft", draftId: "draft-1" });
     const secondTabId = store.openTabFocused(workspaceKey, { kind: "draft", draftId: "draft-2" });
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
 
     expect(firstTabId).toBe("draft-1");
     expect(secondTabId).toBe("draft-2");
@@ -416,14 +416,14 @@ describe("workspace-layout-store actions", () => {
       kind: "draft",
       draftId: "draft-split",
     });
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
 
     expect(newPaneId).toBe("pane_77777777-7777-7777-7777-777777777777");
     expect(draftTabId).toBe("draft-split");
     expect(layout.focusedPaneId).toBe(newPaneId);
     expect(findPaneById(layout.root, "main")?.tabIds).toEqual(["file_/repo/worktree/a.ts"]);
-    expect(findPaneById(layout.root, newPaneId!)?.tabIds).toEqual([draftTabId!]);
-    expect(findPaneById(layout.root, newPaneId!)?.focusedTabId).toBe(draftTabId);
+    expect(findPaneById(layout.root, newPaneId)?.tabIds).toEqual([draftTabId!]);
+    expect(findPaneById(layout.root, newPaneId)?.focusedTabId).toBe(draftTabId);
   });
 
   it("focusTab moves workspace focus to the pane containing the tab", () => {
@@ -448,14 +448,14 @@ describe("workspace-layout-store actions", () => {
     });
 
     store.focusTab(workspaceKey, fileTabId!);
-    let layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    let layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
     expect(layout.focusedPaneId).toBe("main");
 
     store.focusTab(workspaceKey, terminalTabId!);
     layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
     expect(splitPaneId).toBe("pane_bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb");
     expect(layout.focusedPaneId).toBe(splitPaneId);
-    expect(findPaneById(layout.root, splitPaneId!)?.focusedTabId).toBe(terminalTabId);
+    expect(findPaneById(layout.root, splitPaneId)?.focusedTabId).toBe(terminalTabId);
   });
 
   it("convertDraftToAgent replaces the draft tab with a canonical agent tab in the same pane", () => {
@@ -474,8 +474,8 @@ describe("workspace-layout-store actions", () => {
     });
 
     const nextTabId = store.convertDraftToAgent(workspaceKey, secondTabId!, "agent-1");
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
-    const splitPane = findPaneById(layout.root, splitPaneId!);
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
+    const splitPane = findPaneById(layout.root, splitPaneId);
     const convertedTab = collectAllTabs(layout.root).find((tab) => tab.tabId === nextTabId);
 
     expect(splitPaneId).toBe("pane_12121212-1212-1212-1212-121212121212");
@@ -501,7 +501,7 @@ describe("workspace-layout-store actions", () => {
       kind: "file",
       path: "/repo/worktree/retargeted.ts",
     });
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
 
     expect(draftTabId).toBe("draft-retarget");
     expect(nextTabId).toBe(draftTabId);
@@ -541,7 +541,7 @@ describe("workspace-layout-store actions", () => {
       kind: "file",
       path: "/repo/worktree/existing.ts",
     });
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
 
     expect(existingFileTabId).toBe("file_/repo/worktree/existing.ts");
     expect(draftTabId).toBe("draft-dup");
@@ -576,7 +576,7 @@ describe("workspace-layout-store actions", () => {
       kind: "agent",
       agentId: "agent-1",
     });
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
 
     expect(firstAgentTabId).toBe(firstDraftTabId);
     expect(nextTabId).toBe(firstDraftTabId);
@@ -608,7 +608,7 @@ describe("workspace-layout-store actions", () => {
     });
 
     store.reorderTabs(workspaceKey, [thirdTabId!, firstTabId!]);
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
 
     expect(findPaneById(layout.root, "main")).toEqual({
       id: "main",
@@ -663,11 +663,11 @@ describe("workspace-layout-store actions", () => {
     store.moveTabToPane(workspaceKey, fourthTabId!, splitPaneId!);
     store.focusPane(workspaceKey, "main");
     store.reorderTabsInPane(workspaceKey, splitPaneId!, [fourthTabId!, thirdTabId!]);
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
 
     expect(splitPaneId).toBe("pane_34343434-3434-3434-3434-343434343434");
     expect(layout.focusedPaneId).toBe("main");
-    expect(findPaneById(layout.root, splitPaneId!)).toEqual({
+    expect(findPaneById(layout.root, splitPaneId)).toEqual({
       id: splitPaneId,
       tabIds: [fourthTabId!, thirdTabId!],
       focusedTabId: fourthTabId,
@@ -705,7 +705,7 @@ describe("workspace-layout-store actions", () => {
     });
 
     store.focusPane(workspaceKey, "main");
-    let layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    let layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
     expect(layout.focusedPaneId).toBe("main");
 
     store.focusPane(workspaceKey, splitPaneId!);
@@ -734,7 +734,7 @@ describe("workspace-layout-store actions", () => {
     });
 
     store.closeTab(workspaceKey, secondTabId!);
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
 
     expect(splitPaneId).toBe("pane_cccccccc-cccc-cccc-cccc-cccccccccccc");
     expect(layout.focusedPaneId).toBe("main");
@@ -782,7 +782,7 @@ describe("workspace-layout-store actions", () => {
       position: "bottom",
     });
 
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
     expect(pane1).toBe("pane_11111111-1111-1111-1111-111111111111");
     expect(pane2).toBe("pane_33333333-3333-3333-3333-333333333333");
     expect(pane3).toBe("pane_55555555-5555-5555-5555-555555555555");
@@ -812,11 +812,11 @@ describe("workspace-layout-store actions", () => {
     });
 
     store.moveTabToPane(workspaceKey, leftTabId!, splitPaneId!);
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
 
     expect(layout.focusedPaneId).toBe(splitPaneId);
     expect(collectAllPanes(layout.root).map((pane) => pane.id)).toEqual([splitPaneId!]);
-    expect(findPaneById(layout.root, splitPaneId!)?.tabIds).toEqual([
+    expect(findPaneById(layout.root, splitPaneId)?.tabIds).toEqual([
       "file_/repo/worktree/b.ts",
       "file_/repo/worktree/a.ts",
     ]);
@@ -852,7 +852,7 @@ describe("workspace-layout-store actions", () => {
     });
 
     store.closeTab(workspaceKey, secondTabId!);
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
     const rootGroup = expectGroup(layout.root);
 
     expect(paneBId).toBe("pane_78787878-7878-7878-7878-787878787878");
@@ -910,7 +910,7 @@ describe("workspace-layout-store actions", () => {
       kind: "file",
       path: "/repo/worktree/b.ts",
     });
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
 
     expect(splitPaneId).toBe("pane_abababab-abab-abab-abab-abababababab");
     expect(duplicateTabId).toBe(secondTabId);
@@ -946,14 +946,14 @@ describe("workspace-layout-store actions", () => {
       position: "right",
     });
 
-    const splitRoot = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!.root;
+    const splitRoot = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey].root;
     const splitGroup = expectGroup(splitRoot);
-    const nestedGroup = expectGroup(splitGroup.group.children[1]!);
+    const nestedGroup = expectGroup(splitGroup.group.children[1]);
     store.resizeSplit(workspaceKey, nestedGroup.group.id, [0.01, 0.99]);
 
-    const resizedRoot = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!.root;
+    const resizedRoot = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey].root;
     const resizedGroup = expectGroup(resizedRoot);
-    const resizedNestedGroup = expectGroup(resizedGroup.group.children[1]!);
+    const resizedNestedGroup = expectGroup(resizedGroup.group.children[1]);
     const total = resizedNestedGroup.group.sizes.reduce((sum, size) => sum + size, 0);
 
     expect(rightPaneId).toBe("pane_eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee");
@@ -969,7 +969,7 @@ describe("workspace-layout-store actions", () => {
 
     const tabId = store.openTabFocused(workspaceKey, { kind: "draft", draftId: "draft-1" });
     store.closeTab(workspaceKey, tabId!);
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
 
     expect(layout).toEqual(createDefaultLayout());
   });
@@ -1065,7 +1065,7 @@ describe("workspace-layout-store actions", () => {
     });
 
     const nextTabId = store.convertDraftToAgent(workspaceKey, draftTabId!, "agent-1");
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
 
     expect(splitPaneId).toBe("pane_67676767-6767-6767-6767-676767676767");
     expect(nextTabId).toBe("agent_agent-1");
@@ -1129,7 +1129,7 @@ describe("workspace-layout-store actions", () => {
       hasActivePendingDraftCreate: false,
     });
 
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
     const tabs = collectAllTabs(layout.root);
 
     expect(tabs.map((tab) => tab.tabId)).toEqual([
@@ -1189,7 +1189,7 @@ describe("workspace-layout-store actions", () => {
     });
 
     const tabs = useWorkspaceLayoutStore.getState().getWorkspaceTabs(workspaceKey);
-    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey]!;
+    const layout = useWorkspaceLayoutStore.getState().layoutByWorkspace[workspaceKey];
     expect(tabs.map((tab) => tab.tabId)).toEqual(["terminal_term-script", "terminal_term-manual"]);
     expect(findPaneById(layout.root, layout.focusedPaneId)?.focusedTabId).toBe(scriptTabId);
   });

packages/app/src/types/host-connection.ts

@@ -134,9 +134,8 @@ export function upsertHostConnectionInProfiles(input: {
     return [...existing, profile];
   }
 
-  const matchedProfiles = matchingIndexes.map((index) => existing[index]!);
-  const prev =
-    matchedProfiles.find((daemon) => daemon.serverId === serverId) ?? matchedProfiles[0]!;
+  const matchedProfiles = matchingIndexes.map((index) => existing[index]);
+  const prev = matchedProfiles.find((daemon) => daemon.serverId === serverId) ?? matchedProfiles[0];
   const nextConnections = dedupeHostConnections([
     ...matchedProfiles.flatMap((daemon) => daemon.connections),
     input.connection,
@@ -180,7 +179,7 @@ export function upsertHostConnectionInProfiles(input: {
     updatedAt: now,
   };
 
-  const firstIndex = matchingIndexes[0]!;
+  const firstIndex = matchingIndexes[0];
   const matchingIndexSet = new Set(matchingIndexes);
   const next = existing.filter((_daemon, index) => !matchingIndexSet.has(index));
   next.splice(firstIndex, 0, nextProfile);

packages/app/src/utils/agent-directory-sync.ts

@@ -1,9 +1,9 @@
-import type { FetchAgentHistoryEntry, FetchAgentsEntry } from "@server/client/daemon-client";
+import type { FetchAgentsEntry } from "@server/client/daemon-client";
 import { type Agent, useSessionStore } from "@/stores/session-store";
 import { derivePendingPermissionKey, normalizeAgentSnapshot } from "@/utils/agent-snapshots";
 import { resolveProjectPlacement } from "@/utils/project-placement";
 
-type AgentDirectoryFetchEntry = FetchAgentsEntry | FetchAgentHistoryEntry;
+type AgentDirectoryFetchEntry = FetchAgentsEntry;
 
 interface PendingPermissionEntry {
   key: string;

packages/app/src/utils/agent-snapshots.ts

@@ -1,4 +1,3 @@
-import type { AgentLifecycleStatus } from "@server/shared/agent-lifecycle";
 import type { AgentSnapshotPayload } from "@server/shared/messages";
 import type { AgentPermissionRequest } from "@server/server/agent/agent-sdk-types";
 
@@ -31,7 +30,7 @@ export function normalizeAgentSnapshot(snapshot: AgentSnapshotPayload, serverId:
     serverId,
     id: snapshot.id,
     provider: snapshot.provider,
-    status: snapshot.status as AgentLifecycleStatus,
+    status: snapshot.status,
     createdAt,
     updatedAt,
     lastUserMessageAt,

packages/app/src/utils/os-notifications.test.ts

@@ -148,7 +148,7 @@ describe("sendOsNotification", () => {
     clicked.clickListeners[0]?.({} as Event);
 
     expect(dispatchEvent).toHaveBeenCalledTimes(1);
-    const event = dispatchEvent.mock.calls[0]?.[0] as unknown as {
+    const event = dispatchEvent.mock.calls[0]?.[0] as {
       type?: string;
       detail?: { data?: Record<string, unknown> };
     };

packages/app/src/utils/os-notifications.ts

@@ -132,7 +132,7 @@ function dispatchWebNotificationClick(detail: WebNotificationClickDetail): boole
       cancelable: true,
     },
   );
-  return dispatch(event) === false;
+  return !dispatch(event);
 }
 
 function fallbackNavigateToNotificationTarget(data: Record<string, unknown> | undefined): void {

packages/app/src/voice/audio-engine.native.ts

@@ -38,8 +38,8 @@ function resamplePcm16(pcm: Uint8Array, fromRate: number, toRate: number): Uint8
     if (i + 1 >= pcm.length) {
       return 0;
     }
-    const lo = pcm[i]!;
-    const hi = pcm[i + 1]!;
+    const lo = pcm[i];
+    const hi = pcm[i + 1];
     let value = (hi << 8) | lo;
     if (value & 0x8000) {
       value = value - 0x10000;

packages/app/src/voice/audio-engine.web.ts

@@ -39,7 +39,7 @@ function resampleToPcm16(input: Float32Array, inputRate: number, outputRate: num
     const i0 = Math.floor(sourceIndex);
     const i1 = Math.min(input.length - 1, i0 + 1);
     const frac = sourceIndex - i0;
-    const sample = input[i0]! * (1 - frac) + input[i1]! * frac;
+    const sample = input[i0] * (1 - frac) + input[i1] * frac;
     output[i] = floatToInt16(sample);
   }
 
@@ -64,8 +64,8 @@ function pcm16LeToAudioBuffer(
   const audioBuffer = context.createBuffer(1, sampleCount, sampleRate);
   const channel = audioBuffer.getChannelData(0);
   for (let i = 0; i < sampleCount; i += 1) {
-    const lo = bytes[i * 2]!;
-    const hi = bytes[i * 2 + 1]!;
+    const lo = bytes[i * 2];
+    const hi = bytes[i * 2 + 1];
     let value = (hi << 8) | lo;
     if (value & 0x8000) {
       value -= 0x10000;
@@ -77,8 +77,8 @@ function pcm16LeToAudioBuffer(
 
 async function decodeAudioData(context: AudioContext, buffer: ArrayBuffer): Promise<AudioBuffer> {
   const maybePromise = context.decodeAudioData(buffer.slice(0));
-  if (maybePromise && typeof (maybePromise as Promise<AudioBuffer>).then === "function") {
-    return maybePromise as Promise<AudioBuffer>;
+  if (maybePromise && typeof maybePromise.then === "function") {
+    return maybePromise;
   }
   return await new Promise<AudioBuffer>((resolve, reject) => {
     context.decodeAudioData(buffer.slice(0), resolve, reject);
@@ -323,7 +323,7 @@ export function createAudioEngine(
           const input = event.inputBuffer.getChannelData(0);
           let sumSquares = 0;
           for (let i = 0; i < input.length; i += 1) {
-            const sample = input[i]!;
+            const sample = input[i];
             sumSquares += sample * sample;
           }
           const rms = Math.sqrt(sumSquares / Math.max(1, input.length));

packages/app/src/voice/voice-runtime.ts

@@ -295,7 +295,7 @@ export function createVoiceRuntime(deps: VoiceRuntimeDeps): VoiceRuntime {
 
   function activateNextPlaybackGroup(): void {
     while (playback.orderedGroupIds.length > 0) {
-      const groupId = playback.orderedGroupIds[0]!;
+      const groupId = playback.orderedGroupIds[0];
       if (playback.groups.has(groupId)) {
         playback.activeGroupId = groupId;
         return;