feat: Persist Studio manual edits via manifest (#593)

## Summary

Studio manual geometry edits now persist as a project-local manifest instead of being baked into composition source on each gesture.

The manifest lives at:

```text
.hyperframes/studio-manual-edits.json
```

It is the source of truth for manual drag, resize, rotation, inspector geometry edits, group moves, and selected-layer reset.

## Architecture

- **Manifest-backed edits**: each edit stores a kind (`path-offset`, `box-size`, `rotation`), a source-scoped target, and the edit values.
- **Source-scoped resolution**: targets include `sourceFile`, `id`, `selector`, and `selectorIndex`, so duplicate selectors in nested compositions resolve against the owning source file.
- **Additive CSS layer**: move uses CSS `translate`, resize writes stable dimensions/flex sizing, and rotation uses CSS `rotate` over the authored base.
- **Shared replay runtime**: Studio preview, thumbnails, frame capture, producer renders, and CLI Studio renders/thumbnails all use the same core manual-edit render script.
- **Animation-safe replay**: Studio reapplies the manual layer after load, refresh, timeline seeks, player operations, playback frames, thumbnail seeks, and render seeks instead of rewriting GSAP timelines.
- **History and handoff**: the manifest is a normal project file, so undo/redo and agent edits can preserve, modify, or remove manual visual edits explicitly.

## User Impact

Users can move, resize, rotate, group-move, and reset supported layers from the canvas or inspector, then refresh, capture thumbnails/screenshots, play animated compositions, and render videos without manual edits drifting away from the edited state.

## Main Files

- `packages/studio/src/components/editor/manualEdits.ts`
- `packages/studio/src/components/editor/DomEditOverlay.tsx`
- `packages/studio/src/components/editor/PropertyPanel.tsx`
- `packages/studio/src/App.tsx`
- `packages/core/src/studio-api/helpers/manualEditsRenderScript.ts`
- `packages/studio/vite.config.ts`
- `packages/cli/src/server/studioServer.ts`
- `packages/core/src/compiler/htmlBundler.ts`
- `packages/producer/src/services/htmlCompiler.ts`
- `packages/core/src/studio-api/routes/thumbnail.ts`
- `packages/producer/src/services/fileServer.ts`
- `packages/producer/src/services/renderOrchestrator.ts`

## Test Plan

```bash
volta run --node 22.20.0 bun run build
volta run --node 22.20.0 bun run --filter @hyperframes/core test -- src/studio-api/helpers/manualEditsRenderScript.test.ts
volta run --node 22.20.0 bun run --filter @hyperframes/core typecheck
volta run --node 22.20.0 bun run --filter @hyperframes/studio typecheck
volta run --node 22.20.0 bun run --filter @hyperframes/cli typecheck
volta run --node 22.20.0 bunx oxlint <changed files>
volta run --node 22.20.0 bunx oxfmt --check <changed files>
git diff --check
```

packages/studio/src/player/components/CompositionThumbnail.tsx

@@ -7,6 +7,7 @@ interface CompositionThumbnailProps {
   labelColor: string;
   accentColor?: string;
   selector?: string;
+  selectorIndex?: number;
   seekTime?: number;
   duration?: number;
   width?: number;
@@ -14,7 +15,38 @@ interface CompositionThumbnailProps {
 }
 
 const CLIP_HEIGHT = 66;
-const THUMBNAIL_URL_VERSION = "v2";
+const THUMBNAIL_URL_VERSION = "v3";
+
+export function buildCompositionThumbnailUrl({
+  previewUrl,
+  seekTime = 2,
+  duration = 5,
+  selector,
+  selectorIndex,
+  origin,
+}: {
+  previewUrl: string;
+  seekTime?: number;
+  duration?: number;
+  selector?: string;
+  selectorIndex?: number;
+  origin: string;
+}): string {
+  const thumbnailBase = previewUrl
+    .replace("/preview/comp/", "/thumbnail/")
+    .replace(/\/preview$/, "/thumbnail/index.html");
+  const midTime = seekTime + duration / 2;
+  const thumbnailUrl = new URL(thumbnailBase, origin);
+  thumbnailUrl.searchParams.set("t", midTime.toFixed(2));
+  thumbnailUrl.searchParams.set("v", THUMBNAIL_URL_VERSION);
+  if (selector) {
+    thumbnailUrl.searchParams.set("selector", selector);
+    if (selectorIndex != null && selectorIndex > 0) {
+      thumbnailUrl.searchParams.set("selectorIndex", String(selectorIndex));
+    }
+  }
+  return thumbnailUrl.toString();
+}
 
 export const CompositionThumbnail = memo(function CompositionThumbnail({
   previewUrl,
@@ -22,6 +54,7 @@ export const CompositionThumbnail = memo(function CompositionThumbnail({
   labelColor,
   accentColor = "#6B7280",
   selector,
+  selectorIndex,
   seekTime = 2,
   duration = 5,
 }: CompositionThumbnailProps) {
@@ -48,15 +81,14 @@ export const CompositionThumbnail = memo(function CompositionThumbnail({
     roRef.current?.disconnect();
   });
 
-  const thumbnailBase = previewUrl
-    .replace("/preview/comp/", "/thumbnail/")
-    .replace(/\/preview$/, "/thumbnail/index.html");
-  const midTime = seekTime + duration / 2;
-  const thumbnailUrl = new URL(thumbnailBase, window.location.origin);
-  thumbnailUrl.searchParams.set("t", midTime.toFixed(2));
-  thumbnailUrl.searchParams.set("v", THUMBNAIL_URL_VERSION);
-  if (selector) thumbnailUrl.searchParams.set("selector", selector);
-  const url = thumbnailUrl.toString();
+  const url = buildCompositionThumbnailUrl({
+    previewUrl,
+    seekTime,
+    duration,
+    selector,
+    selectorIndex,
+    origin: window.location.origin,
+  });
   const frameW = Math.max(48, Math.round(CLIP_HEIGHT * aspect));
   const frameCount = containerWidth > 0 ? Math.max(1, Math.ceil(containerWidth / frameW)) : 1;
 
@@ -66,7 +98,7 @@ export const CompositionThumbnail = memo(function CompositionThumbnail({
         src={url}
         alt=""
         draggable={false}
-        loading="lazy"
+        loading="eager"
         onLoad={(e) => {
           const img = e.currentTarget;
           if (img.naturalWidth > 0 && img.naturalHeight > 0) {