feat: major editor overhaul (assets, properties, timeline, fonts) (#709)

* feat: major editor overhaul (assets, properties, timeline, fonts)

Refactor editor core systems to standardize UI architecture and improve performance.

Assets & Properties:
- Replace monolithic property items with composable `Section` architecture.
- Add specialized sections for Transform, Blending, and Text.
- Implement `NumberField` with scrubbing and math evaluation.
- Add new ColorPicker with EyeDropper and multiple format support.
- Standardize asset panels using new `PanelView` layout.

Fonts & Stickers:
- Implement custom font atlas/sprite system for high-performance previews.
- Add virtualized FontPicker with search and favorites.
- Refactor stickers to use a provider-based architecture (icons, emoji, flags, shapes).
- Standardize sticker IDs to `provider:value` format.

Timeline & Interaction:
- Convert bookmarks to rich objects with notes, colors, and duration.
- Refactor drag-and-drop to use Command pattern (enabling proper undo/redo).
- Add Shift modifier to disable snapping during moves/resizes.
- Add new overlays for layout guides and text editing.

Renderer:
- Add support for multi-line text, custom line-height, and letter-spacing.
- Implement global composite operation (blend modes).
- Update sticker node to resolve dynamic provider IDs.

Infrastructure:
- Add storage migrations (v3->v6) for text weights, sticker IDs, and bookmarks.
- Update global styles and core UI components (Button, Input, Popover).

* add ts-nocheck directive to settings-legacy.tsx to suppress TypeScript errors

* fix: correct global composite operation assignment in TextNode to ensure proper blend mode handling

* deleted shadcn components with errors

* formatting

* fix linter issues

* migrate from next middleware to proxy

* add missing component back

* add breadcrumb back

* chore: add @radix-ui/react-primitive deps

* chore: more deps

* chore: add missing env vars to bun-ci

* next env

1 files changed, 26 insertions, 3 deletions

diff --git a/apps/web/src/components/editor/panels/timeline/index.tsx b/apps/web/src/components/editor/panels/timeline/index.tsx
index 94edc2d0..7e6ff326 100644
--- a/apps/web/src/components/editor/panels/timeline/index.tsx
+++ b/apps/web/src/components/editor/panels/timeline/index.tsx
@@ -47,6 +47,8 @@ import { useTimelineSeek } from "@/hooks/timeline/use-timeline-seek";
 import { useTimelineDragDrop } from "@/hooks/timeline/use-timeline-drag-drop";
 import { TimelineRuler } from "./timeline-ruler";
 import { TimelineBookmarksRow } from "./bookmarks";
+import { useBookmarkDrag } from "@/hooks/timeline/use-bookmark-drag";
+import { useEdgeAutoScroll } from "@/hooks/timeline/use-edge-auto-scroll";
 import { useTimelineStore } from "@/stores/timeline-store";
 import { useEditor } from "@/hooks/use-editor";
 import { useTimelinePlayhead } from "@/hooks/timeline/use-timeline-playhead";
@@ -126,6 +128,17 @@ export function Timeline() {
 		onSnapPointChange: handleSnapPointChange,
 	});
 
+	const {
+		dragState: bookmarkDragState,
+		handleBookmarkMouseDown,
+		lastMouseXRef: bookmarkLastMouseXRef,
+	} = useBookmarkDrag({
+		zoomLevel,
+		scrollRef: tracksScrollRef,
+		snappingEnabled,
+		onSnapPointChange: handleSnapPointChange,
+	});
+
 	const { handleRulerMouseDown: handlePlayheadRulerMouseDown } =
 		useTimelinePlayhead({
 			zoomLevel,
@@ -168,10 +181,18 @@ export function Timeline() {
 		containerWidth,
 	);
 
+	useEdgeAutoScroll({
+		isActive: bookmarkDragState.isDragging,
+		getMouseClientX: () => bookmarkLastMouseXRef.current,
+		rulerScrollRef: tracksScrollRef,
+		tracksScrollRef,
+		contentWidth: dynamicTimelineWidth,
+	});
+
 	const showSnapIndicator =
 		snappingEnabled &&
 		currentSnapPoint !== null &&
-		(dragState.isDragging || isResizing);
+		(dragState.isDragging || bookmarkDragState.isDragging || isResizing);
 
 	const {
 		handleTracksMouseDown,
@@ -351,7 +372,7 @@ export function Timeline() {
 							>
 								<div
 									ref={timelineHeaderRef}
-									className="bg-background sticky top-0 z-30 flex flex-col"
+									className="bg-background sticky top-0 flex flex-col"
 								>
 									<TimelineRuler
 										zoomLevel={zoomLevel}
@@ -366,6 +387,8 @@ export function Timeline() {
 									<TimelineBookmarksRow
 										zoomLevel={zoomLevel}
 										dynamicTimelineWidth={dynamicTimelineWidth}
+										dragState={bookmarkDragState}
+										onBookmarkMouseDown={handleBookmarkMouseDown}
 										handleWheel={handleWheel}
 										handleTimelineContentClick={handleRulerClick}
 										handleRulerTrackingMouseDown={handleRulerMouseDown}
@@ -433,7 +456,7 @@ export function Timeline() {
 														/>
 													</div>
 												</ContextMenuTrigger>
-												<ContextMenuContent className="z-200 w-40">
+												<ContextMenuContent className="w-40">
 													<ContextMenuItem
 														icon={<HugeiconsIcon icon={TaskAdd02Icon} />}
 														onClick={(e) => {