agent: lumotia-rebrand — localStorage keys + event channels migration

Phase 7 of the rebrand cascade. Persisted UI state + inter-window event
channels migrated from magnotia to lumotia naming, with one-shot
localStorage key migration so dogfooded UI state survives the rename.

src/lib/utils/localStorageMigration.ts (new):
- migrateLocalStorageKey(old, new): idempotent + crash-safe shim.
  - If new key exists, removes old (lumotia value is authoritative).
  - If only old exists, copies value to new key, removes old.
  - If neither, no-op.
- migrateLocalStorageKeys(pairs): batch wrapper.

src/lib/stores/page.svelte.ts:
- 4 key constants renamed to lumotia_settings / lumotia_profiles /
  lumotia_task_lists / lumotia_templates.
- BroadcastChannel name renamed to lumotia_task_lists.
- migrateLocalStorageKeys() called at module load before any read.

src/lib/stores/focusTimer.svelte.ts:
- STORAGE_KEY renamed to lumotia.focusTimer.v1.
- migrateLocalStorageKey() called at module load.

Event channels (magnotia: -> lumotia:) renamed across frontend + Rust:
- magnotia:toggle-recording (src/routes/+layout.svelte)
- magnotia:hotkey-pressed / -released (src-tauri/src/commands/hotkey.rs +
  consumers)
- magnotia:open-wind-down (src-tauri/src/tray.rs + consumer)
- magnotia:llm-download-progress (src-tauri/src/commands/llm.rs)
- magnotia:preferences-changed (src/lib/stores/preferences.svelte.ts +
  consumers)
- magnotia:start-timer (nudgeBus + dispatch sites)
- magnotia:focus-timer-{complete,cancelled} (focusTimer + nudgeBus)
- magnotia:microstep-generated (nudgeBus + dispatch sites)
- magnotia:step-completed (nudgeBus + dispatch sites)
- magnotia:task-{completed,uncompleted,deleted} (page.svelte.ts +
  nudgeBus + consumers)

Storage-event filters in src/routes/{float,viewer,preview}/+layout@.svelte
updated to filter on lumotia_settings.

User-facing toast strings still say "Magnotia" — deferred to Phase 8
(frontend strings).

npm run check: 0 errors / 0 warnings (3958 files).
cargo test --workspace: 339 pass / 0 fail.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/lib/stores/completionStats.svelte.ts

@@ -47,10 +47,10 @@ if (typeof window !== "undefined") {
   const handler = () => {
     refresh().catch(() => {});
   };
-  window.addEventListener("magnotia:task-completed", handler);
-  window.addEventListener("magnotia:step-completed", handler);
-  window.addEventListener("magnotia:task-uncompleted", handler);
-  window.addEventListener("magnotia:task-deleted", handler);
+  window.addEventListener("lumotia:task-completed", handler);
+  window.addEventListener("lumotia:step-completed", handler);
+  window.addEventListener("lumotia:task-uncompleted", handler);
+  window.addEventListener("lumotia:task-deleted", handler);
   window.addEventListener("focus", handler);
 
   if (hasTauriRuntime()) {

src/lib/stores/focusTimer.svelte.ts

@@ -12,9 +12,14 @@
 // so closing the window mid-timer still gets you the "done" signal
 // on next launch.
 
-const STORAGE_KEY = "magnotia.focusTimer.v1";
+import { migrateLocalStorageKey } from "$lib/utils/localStorageMigration";
+
+const STORAGE_KEY = "lumotia.focusTimer.v1";
 const TICK_INTERVAL_MS = 250;
 
+// One-shot key rename from the magnotia era. Idempotent.
+migrateLocalStorageKey("magnotia.focusTimer.v1", STORAGE_KEY);
+
 export type FocusTimerPersisted = {
   startedAt: number;
   durationMs: number;
@@ -114,7 +119,7 @@ function createFocusTimerStore() {
     writePersisted(null);
     stopTick();
     if (wasActive && typeof window !== "undefined") {
-      window.dispatchEvent(new CustomEvent("magnotia:focus-timer-cancelled"));
+      window.dispatchEvent(new CustomEvent("lumotia:focus-timer-cancelled"));
     }
   }
 
@@ -172,7 +177,7 @@ function createFocusTimerStore() {
       osc.onended = () => ctx.close().catch(() => {});
     } catch { /* audio is a nicety; never fatal */ }
 
-    window.dispatchEvent(new CustomEvent("magnotia:focus-timer-complete", {
+    window.dispatchEvent(new CustomEvent("lumotia:focus-timer-complete", {
       detail: { taskId, label },
     }));
   }

src/lib/stores/implementationIntentions.svelte.ts

@@ -13,7 +13,7 @@ import { page, settings, tasks } from "$lib/stores/page.svelte.js";
 import { toasts } from "$lib/stores/toasts.svelte.js";
 
 const TIME_RULE_POLL_MS = 30_000;
-const RULES_CHANGED_EVENT = "magnotia:implementation-rules-changed";
+const RULES_CHANGED_EVENT = "lumotia:implementation-rules-changed";
 
 export const implementationRules = $state<ImplementationRule[]>([]);
 
@@ -157,7 +157,7 @@ async function executeAction(action: ImplementationRuleAction): Promise<void> {
     return;
   }
   if (action.kind === "start_timer") {
-    window.dispatchEvent(new CustomEvent("magnotia:start-timer", {
+    window.dispatchEvent(new CustomEvent("lumotia:start-timer", {
       detail: {
         taskId: action.taskId ?? null,
         seconds: 300,
@@ -239,8 +239,8 @@ export function startImplementationIntentions(): void {
   void loadImplementationRules(true)
     .then(() => checkTimeRules())
     .catch(() => {});
-  window.addEventListener("magnotia:task-completed", onTaskCompleted);
-  window.addEventListener("magnotia:morning-triage-finished", onMorningTriageFinished);
+  window.addEventListener("lumotia:task-completed", onTaskCompleted);
+  window.addEventListener("lumotia:morning-triage-finished", onMorningTriageFinished);
   window.addEventListener(RULES_CHANGED_EVENT, onRulesChanged);
   timePollHandle = setInterval(() => {
     void checkTimeRules().catch(() => {});
@@ -250,8 +250,8 @@ export function startImplementationIntentions(): void {
 export function stopImplementationIntentions(): void {
   if (!started) return;
   started = false;
-  window.removeEventListener("magnotia:task-completed", onTaskCompleted);
-  window.removeEventListener("magnotia:morning-triage-finished", onMorningTriageFinished);
+  window.removeEventListener("lumotia:task-completed", onTaskCompleted);
+  window.removeEventListener("lumotia:morning-triage-finished", onMorningTriageFinished);
   window.removeEventListener(RULES_CHANGED_EVENT, onRulesChanged);
   if (timePollHandle !== null) {
     clearInterval(timePollHandle);

src/lib/stores/nudgeBus.svelte.ts

@@ -236,12 +236,12 @@ export function startNudgeBus(): void {
   if (typeof window === "undefined") return;
   started = true;
 
-  window.addEventListener("magnotia:start-timer", onTimerStart);
-  window.addEventListener("magnotia:focus-timer-complete", resetTimerState);
-  window.addEventListener("magnotia:focus-timer-cancelled", resetTimerState);
-  window.addEventListener("magnotia:microstep-generated", onMicroStepGenerated);
-  window.addEventListener("magnotia:step-completed", onStepOrTaskCompleted);
-  window.addEventListener("magnotia:task-completed", onStepOrTaskCompleted);
+  window.addEventListener("lumotia:start-timer", onTimerStart);
+  window.addEventListener("lumotia:focus-timer-complete", resetTimerState);
+  window.addEventListener("lumotia:focus-timer-cancelled", resetTimerState);
+  window.addEventListener("lumotia:microstep-generated", onMicroStepGenerated);
+  window.addEventListener("lumotia:step-completed", onStepOrTaskCompleted);
+  window.addEventListener("lumotia:task-completed", onStepOrTaskCompleted);
   window.addEventListener("focus", onFocus);
   window.addEventListener("blur", onBlur);
 
@@ -265,12 +265,12 @@ export function stopNudgeBus(): void {
   if (!started) return;
   started = false;
 
-  window.removeEventListener("magnotia:start-timer", onTimerStart);
-  window.removeEventListener("magnotia:focus-timer-complete", resetTimerState);
-  window.removeEventListener("magnotia:focus-timer-cancelled", resetTimerState);
-  window.removeEventListener("magnotia:microstep-generated", onMicroStepGenerated);
-  window.removeEventListener("magnotia:step-completed", onStepOrTaskCompleted);
-  window.removeEventListener("magnotia:task-completed", onStepOrTaskCompleted);
+  window.removeEventListener("lumotia:start-timer", onTimerStart);
+  window.removeEventListener("lumotia:focus-timer-complete", resetTimerState);
+  window.removeEventListener("lumotia:focus-timer-cancelled", resetTimerState);
+  window.removeEventListener("lumotia:microstep-generated", onMicroStepGenerated);
+  window.removeEventListener("lumotia:step-completed", onStepOrTaskCompleted);
+  window.removeEventListener("lumotia:task-completed", onStepOrTaskCompleted);
   window.removeEventListener("focus", onFocus);
   window.removeEventListener("blur", onBlur);
 

src/lib/stores/page.svelte.ts

@@ -36,10 +36,21 @@ export const page = $state<PageState>({
   taskSidebarOpen: false,
 });
 
-const SETTINGS_KEY = "magnotia_settings";
-const PROFILES_KEY = "magnotia_profiles";
-const TASK_LISTS_KEY = "magnotia_task_lists";
-const TEMPLATES_KEY = "magnotia_templates";
+import { migrateLocalStorageKeys } from "$lib/utils/localStorageMigration";
+
+const SETTINGS_KEY = "lumotia_settings";
+const PROFILES_KEY = "lumotia_profiles";
+const TASK_LISTS_KEY = "lumotia_task_lists";
+const TEMPLATES_KEY = "lumotia_templates";
+
+// One-shot key rename from the magnotia era. Idempotent. Runs once at
+// module load before any localStorage read below.
+migrateLocalStorageKeys([
+  ["lumotia_settings", SETTINGS_KEY],
+  ["magnotia_profiles", PROFILES_KEY],
+  ["magnotia_task_lists", TASK_LISTS_KEY],
+  ["magnotia_templates", TEMPLATES_KEY],
+]);
 
 const defaults: SettingsState = {
   engine: "whisper",
@@ -459,7 +470,7 @@ export async function deleteTask(id: string) {
       tasks.splice(idx, 1);
       broadcastTasks();
       if (typeof window !== "undefined") {
-        window.dispatchEvent(new CustomEvent("magnotia:task-deleted", { detail: { id } }));
+        window.dispatchEvent(new CustomEvent("lumotia:task-deleted", { detail: { id } }));
       }
     }
   } catch (err) {
@@ -477,7 +488,7 @@ export async function completeTask(id: string) {
     // to this to clear micro-step-idle timers for the completed task
     // and, later, to drive Phase 7 "after a task completes" rules.
     if (typeof window !== "undefined") {
-      window.dispatchEvent(new CustomEvent("magnotia:task-completed", { detail: { id } }));
+      window.dispatchEvent(new CustomEvent("lumotia:task-completed", { detail: { id } }));
     }
   } catch (err) {
     toasts.error("Couldn't complete task", errorMessage(err));
@@ -491,7 +502,7 @@ export async function uncompleteTask(id: string) {
     await invoke("uncomplete_task_cmd", { id });
     applyLocalTaskUpdate(id, { done: false, doneAt: null });
     if (typeof window !== "undefined") {
-      window.dispatchEvent(new CustomEvent("magnotia:task-uncompleted", { detail: { id } }));
+      window.dispatchEvent(new CustomEvent("lumotia:task-uncompleted", { detail: { id } }));
     }
   } catch (err) {
     toasts.error("Couldn't uncomplete task", errorMessage(err));
@@ -654,7 +665,7 @@ interface TaskListChannelMessage {
 }
 
 const taskListChannel = typeof BroadcastChannel !== "undefined"
-  ? new BroadcastChannel("magnotia_task_lists")
+  ? new BroadcastChannel("lumotia_task_lists")
   : null;
 
 if (taskListChannel) {

src/lib/stores/preferences.svelte.ts

@@ -6,7 +6,7 @@ import type { AccessibilityPreferences, Preferences } from "$lib/types/app";
 import { errorMessage } from "$lib/utils/errors.js";
 import { toasts } from "./toasts.svelte.ts";
 
-export const PREFERENCES_CHANGED_EVENT = "magnotia:preferences-changed";
+export const PREFERENCES_CHANGED_EVENT = "lumotia:preferences-changed";
 
 type FontFamilies = Record<AccessibilityPreferences["fontFamily"], string>;