feat: Keep Awake toggle plus Esc stops agent turn

apps/desktop/src/ipc/DesktopIpcHandlers.ts

@@ -70,6 +70,7 @@ import {
 import * as PreviewIpc from "./methods/preview.ts";
 import * as AppActivationIpc from "./methods/appActivation.ts";
 import { getWslState, setWslBackendEnabled, setWslDistro, setWslOnly } from "./methods/wsl.ts";
+import { getKeepAwakeState, setKeepAwakeEnabled } from "./methods/keepAwake.ts";
 
 export const installDesktopIpcHandlers = Effect.fn("desktop.ipc.installHandlers")(function* () {
   const ipc = yield* DesktopIpc.DesktopIpc;
@@ -125,6 +126,9 @@ export const installDesktopIpcHandlers = Effect.fn("desktop.ipc.installHandlers"
   yield* ipc.handle(setWslDistro);
   yield* ipc.handle(setWslOnly);
 
+  yield* ipc.handle(getKeepAwakeState);
+  yield* ipc.handle(setKeepAwakeEnabled);
+
   yield* ipc.handle(pickFolder);
   yield* ipc.handle(pickProjectFavicon);
   yield* ipc.handle(pickThemeFiles);

apps/desktop/src/ipc/channels.ts

@@ -66,6 +66,8 @@ export const GET_WSL_STATE_CHANNEL = "desktop:get-wsl-state";
 export const SET_WSL_BACKEND_ENABLED_CHANNEL = "desktop:set-wsl-backend-enabled";
 export const SET_WSL_DISTRO_CHANNEL = "desktop:set-wsl-distro";
 export const SET_WSL_ONLY_CHANNEL = "desktop:set-wsl-only";
+export const GET_KEEP_AWAKE_STATE_CHANNEL = "desktop:get-keep-awake-state";
+export const SET_KEEP_AWAKE_ENABLED_CHANNEL = "desktop:set-keep-awake-enabled";
 export const SSH_PASSWORD_PROMPT_CANCELLED_RESULT = "ssh-password-prompt-cancelled";
 export const PREVIEW_CREATE_TAB_CHANNEL = "desktop:preview-create-tab";
 export const PREVIEW_CLOSE_TAB_CHANNEL = "desktop:preview-close-tab";

apps/desktop/src/ipc/methods/keepAwake.ts

@@ -0,0 +1,30 @@
+import * as Effect from "effect/Effect";
+import * as Schema from "effect/Schema";
+
+import * as DesktopKeepAwake from "../../power/DesktopKeepAwake.ts";
+import * as IpcChannels from "../channels.ts";
+import * as DesktopIpc from "../DesktopIpc.ts";
+
+const SetKeepAwakeEnabledInput = Schema.Struct({
+  enabled: Schema.Boolean,
+});
+
+export const getKeepAwakeState = DesktopIpc.makeIpcMethod({
+  channel: IpcChannels.GET_KEEP_AWAKE_STATE_CHANNEL,
+  payload: Schema.Void,
+  result: DesktopKeepAwake.DesktopKeepAwakeStateSchema,
+  handler: Effect.fn("desktop.ipc.keepAwake.getState")(function* () {
+    const keepAwake = yield* DesktopKeepAwake.DesktopKeepAwake;
+    return yield* keepAwake.getState;
+  }),
+});
+
+export const setKeepAwakeEnabled = DesktopIpc.makeIpcMethod({
+  channel: IpcChannels.SET_KEEP_AWAKE_ENABLED_CHANNEL,
+  payload: SetKeepAwakeEnabledInput,
+  result: DesktopKeepAwake.DesktopKeepAwakeStateSchema,
+  handler: Effect.fn("desktop.ipc.keepAwake.setEnabled")(function* (input) {
+    const keepAwake = yield* DesktopKeepAwake.DesktopKeepAwake;
+    return yield* keepAwake.setEnabled(input.enabled);
+  }),
+});

apps/desktop/src/main.ts

@@ -67,6 +67,7 @@ import * as DesktopWindow from "./window/DesktopWindow.ts";
 import * as DesktopWslBackend from "./wsl/DesktopWslBackend.ts";
 import * as DesktopWslEnvironment from "./wsl/DesktopWslEnvironment.ts";
 import * as DesktopWslServerTree from "./wsl/DesktopWslServerTree.ts";
+import * as DesktopKeepAwake from "./power/DesktopKeepAwake.ts";
 
 const desktopEnvironmentLayer = Layer.unwrap(
   Effect.gen(function* () {
@@ -186,6 +187,14 @@ const desktopWslBackendLayer = DesktopWslBackend.layer.pipe(
   Layer.provideMerge(desktopBackendLayer),
 );
 
+// KeepAwake implements Brutal Awake behavior on Windows: a
+// powerSaveBlocker ("prevent-display-sleep") plus SetThreadExecutionState
+// with display/away-mode flags plus powercfg lid=Do Nothing and
+// sleep/hibernate=never with save/restore, a userData crash-recovery file,
+// and a scoped 25 s re-assert loop. Other platforms hold the display-sleep
+// blocker only. The Layer.scoped release restores power settings on app quit.
+const desktopKeepAwakeLayer = DesktopKeepAwake.layer;
+
 const desktopLocalEnvironmentAuthLayer = DesktopLocalEnvironmentAuth.layer.pipe(
   Layer.provideMerge(desktopBackendLayer),
 );
@@ -201,6 +210,7 @@ const desktopApplicationLayer = Layer.mergeAll(
   Layer.provideMerge(desktopSnapShotLayer),
   Layer.provideMerge(DesktopUpdates.layer),
   Layer.provideMerge(desktopWslBackendLayer),
+  Layer.provideMerge(desktopKeepAwakeLayer),
   Layer.provideMerge(desktopLocalEnvironmentAuthLayer),
 );