feat: initial conversational flow (#37)

* chore: only set visibility for container particles

* create reusable controls indicator for reply or new

* compress the size of top bar

* refactor: restructure state, routing, and more

* introduce stream compose flow

* feat: compose new stream full flow

* implement stream player

* fix: prevent redirect for signed object urls

* fix: implement stream playback cleaner structure

* refactor: layout file name

* feat: show stream name in breadcrumbs

* chore: tweak padding

* chore: adjust position of audio bars

* feat: show latest particle preview in stream list

* fix: remove console log

* refactor: reorder classes

* fix: avoid passing in updated_at to firestore particle

* refactor: extract properties for container particles to flat fields in firestore

* make the stream previews look alive

* feat: show audio bars during audio clip playback

* feat: order streams by last child creation

* feat: playback where I left off

* chore: remove unused store

* fix: recording mode not using shared state

* chore: clean unused variable

* remove unused imports

* fix: improve controls indicator immersion

* feat: show playback progress in bar & auto-play text

* feat: auto-exit stream on playback completion

* fix: jittery media playback progress

* fix: navigate during state change is invalid with react router

* fix: buggy exit progress when changing clips

* feat: add app icon

* update package.json info

* feat: only show streams visible to me

* feat: show seen indicator on particles

* fix: prevent unnecessary effects

* fix: play new particle after playback is ended

* use contols indicator for exit timer

js/src/features/particles/particle-view-resolver.tsx

@@ -1,20 +1,22 @@
-import { useParticle } from "@/hooks/use-particle";
-import { StreamView } from "./stream-view";
-import { FolderView } from "./folder-view";
-import { ParticleListView } from "./particle-list-view";
+import { useParams } from "react-router-dom";
+import { useLiveParticle } from "@/hooks/use-particle";
+import { particlePath } from "@/lib/particle-path";
 import { isContainerType } from "@/api/types";
-
-interface ParticleViewResolverProps {
-  networkId: string;
-  particleSegments: string[];
-}
+import { StreamView } from "@/features/particles/stream-view";
+import { FolderView } from "@/features/particles/folder-view";
+import { ParticleListView } from "@/features/particles/particle-list-view";
 
 /**
- * Resolves a particle by its path segments and renders the appropriate view
- * based on particle type (e.g. stream would show clips in story mode, folder would list files, etc.)
+ * Route-level component for /:networkId/*.
+ * Reads params from the router, resolves the particle, and renders
+ * the appropriate view based on particle type.
  */
-export function ParticleViewResolver({ networkId, particleSegments }: ParticleViewResolverProps) {
-  const { particle, isLoading, error } = useParticle(networkId, particleSegments);
+export default function ParticleViewResolver() {
+  const { networkId, "*": rest } = useParams();
+  const segments = (rest ?? "").split("/").filter(Boolean);
+  const path = particlePath(networkId!, segments); // path of current container particle
+
+  const { particle, isLoading, error } = useLiveParticle(path);
 
   if (isLoading) {
     return (
@@ -32,12 +34,11 @@ export function ParticleViewResolver({ networkId, particleSegments }: ParticleVi
     );
   }
 
-  // While the hook is stubbed, particle will be null — show a placeholder
   if (!particle) {
     return (
       <div className="flex h-full items-center justify-center">
         <p className="text-muted-foreground text-sm">
-          Particle: {particleSegments.join(" / ")}
+          Particle: {segments.join(" / ")}
         </p>
       </div>
     );
@@ -45,15 +46,13 @@ export function ParticleViewResolver({ networkId, particleSegments }: ParticleVi
 
   switch (particle.type) {
     case "stream":
-      return <StreamView streamParticle={particle} networkId={networkId} particleSegments={particleSegments} />;
+      return <StreamView streamParticle={particle} path={path} />;
     case "folder":
-      return <FolderView folderParticle={particle} networkId={networkId} particleSegments={particleSegments} />;
+      return <FolderView folderParticle={particle} path={path} />;
     default:
-      // For container types we haven't built a view for, fall back to list
       if (isContainerType(particle.type)) {
-        return <ParticleListView networkId={networkId} particleSegments={particleSegments} />;
+        return <ParticleListView path={path} />;
       }
-      // Leaf particle — placeholder
       return (
         <div className="flex h-full items-center justify-center">
           <p className="text-muted-foreground text-sm">