setup electron multi-window architecture (#102)

* prototype with two windows

* use deps in separate window render process

* enhance autoplay into desktop overlay

* fix: autoplay window not applying tailwind styles

js/src/stores/autoplay-store.ts

@@ -1,7 +1,4 @@
 import { create } from "zustand";
-import type { Particle } from "@/api/types";
-
-type MediaParticle = Extract<Particle, { type: "media" }>;
 
 const STORAGE_KEY = "llink:autoplay-muted";
 
@@ -22,38 +19,17 @@ function saveMuted(muted: boolean) {
 }
 
 interface AutoplayState {
-  /** The media particle currently being autoplayed, null when idle */
-  activeParticle: MediaParticle | null;
-  /** The stream this particle belongs to (for click-to-navigate) */
-  streamId: string | null;
   /** When true, incoming play requests are ignored */
   muted: boolean;
-  /** Play a media particle, preempting any currently playing. No-op when muted. */
-  play: (particle: MediaParticle, streamId: string) => void;
-  /** Stop autoplay and clear state */
-  stop: () => void;
   /** Toggle muted state */
   toggleMuted: () => void;
 }
 
 export const useAutoplayStore = create<AutoplayState>((set, get) => ({
-  activeParticle: null,
-  streamId: null,
   muted: loadMuted(),
-  play: (particle, streamId) => {
-    if (get().muted) return;
-    set({ activeParticle: particle, streamId });
-  },
-  stop: () => set({ activeParticle: null, streamId: null }),
   toggleMuted: () => {
-    const wasMuted = get().muted;
-    // If muting, also stop any current playback
-    if (!wasMuted) {
-      set({ muted: true, activeParticle: null, streamId: null });
-      saveMuted(true);
-    } else {
-      set({ muted: false });
-      saveMuted(false);
-    }
+    const next = !get().muted;
+    set({ muted: next });
+    saveMuted(next);
   },
 }));