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

apps/web/src/hooks/timeline/element/use-element-interaction.ts

@@ -7,10 +7,15 @@ import {
 	type RefObject,
 } from "react";
 import { useEditor } from "@/hooks/use-editor";
+import { useShiftKey } from "@/hooks/use-shift-key";
 import { useElementSelection } from "@/hooks/timeline/element/use-element-selection";
-import { TIMELINE_CONSTANTS } from "@/constants/timeline-constants";
+import {
+	DRAG_THRESHOLD_PX,
+	TIMELINE_CONSTANTS,
+} from "@/constants/timeline-constants";
 import { snapTimeToFrame } from "@/lib/time";
 import { computeDropTarget } from "@/lib/timeline/drop-utils";
+import { getMouseTimeFromClientX } from "@/lib/timeline/drag-utils";
 import { generateUUID } from "@/utils/id";
 import { useTimelineSnapping } from "@/hooks/timeline/use-timeline-snapping";
 import type {
@@ -21,8 +26,6 @@ import type {
 } from "@/types/timeline";
 import type { SnapPoint } from "@/hooks/timeline/use-timeline-snapping";
 
-const DRAG_THRESHOLD_PX = 5;
-
 interface UseElementInteractionProps {
 	zoomLevel: number;
 	timelineRef: RefObject<HTMLDivElement | null>;
@@ -54,24 +57,6 @@ interface PendingDragState {
 	clickOffsetTime: number;
 }
 
-function getMouseTimeFromClientX({
-	clientX,
-	containerRect,
-	zoomLevel,
-	scrollLeft,
-}: {
-	clientX: number;
-	containerRect: DOMRect;
-	zoomLevel: number;
-	scrollLeft: number;
-}): number {
-	const mouseX = clientX - containerRect.left + scrollLeft;
-	return Math.max(
-		0,
-		mouseX / (TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel),
-	);
-}
-
 function getClickOffsetTime({
 	clientX,
 	elementRect,
@@ -175,6 +160,7 @@ export function useElementInteraction({
 	onSnapPointChange,
 }: UseElementInteractionProps) {
 	const editor = useEditor();
+	const isShiftHeldRef = useShiftKey();
 	const tracks = editor.timeline.getTracks();
 	const { snapElementEdge } = useTimelineSnapping();
 	const {
@@ -230,7 +216,8 @@ export function useElementInteraction({
 			frameSnappedTime: number;
 			movingElement: TimelineElement | null | undefined;
 		}) => {
-			if (!snappingEnabled || !movingElement) {
+			const shouldSnap = snappingEnabled && !isShiftHeldRef.current;
+			if (!shouldSnap || !movingElement) {
 				return { snappedTime: frameSnappedTime, snapPoint: null };
 			}
 
@@ -268,7 +255,14 @@ export function useElementInteraction({
 				snapPoint: snapResult.snapPoint,
 			};
 		},
-		[snappingEnabled, editor.playback, snapElementEdge, tracks, zoomLevel],
+		[
+			snappingEnabled,
+			editor.playback,
+			snapElementEdge,
+			tracks,
+			zoomLevel,
+			isShiftHeldRef,
+		],
 	);
 
 	useEffect(() => {

apps/web/src/hooks/timeline/element/use-element-resize.ts

@@ -1,7 +1,9 @@
 import { useState, useEffect, useRef, useCallback } from "react";
-import type { TimelineElement, TimelineTrack } from "@/types/timeline";
+import { TIMELINE_CONSTANTS } from "@/constants/timeline-constants";
 import { snapTimeToFrame } from "@/lib/time";
-import { EditorCore } from "@/core";
+import type { TimelineElement, TimelineTrack } from "@/types/timeline";
+import { useEditor } from "@/hooks/use-editor";
+import { useShiftKey } from "@/hooks/use-shift-key";
 import {
 	useTimelineSnapping,
 	type SnapPoint,
@@ -33,8 +35,9 @@ export function useTimelineElementResize({
 	onSnapPointChange,
 	onResizeStateChange,
 }: UseTimelineElementResizeProps) {
-	const editor = EditorCore.getInstance();
+	const editor = useEditor();
 	const activeProject = editor.project.getActive();
+	const isShiftHeldRef = useShiftKey();
 	const snappingEnabled = useTimelineStore((state) => state.snappingEnabled);
 	const { findSnapPoints, snapToNearestPoint } = useTimelineSnapping();
 
@@ -49,21 +52,21 @@ export function useTimelineElementResize({
 	const currentDurationRef = useRef(element.duration);
 
 	const handleResizeStart = ({
-		e,
+		event,
 		elementId,
 		side,
 	}: {
-		e: React.MouseEvent;
+		event: React.MouseEvent;
 		elementId: string;
 		side: "left" | "right";
 	}) => {
-		e.stopPropagation();
-		e.preventDefault();
+		event.stopPropagation();
+		event.preventDefault();
 
 		setResizing({
 			elementId,
 			side,
-			startX: e.clientX,
+			startX: event.clientX,
 			initialTrimStart: element.trimStart,
 			initialTrimEnd: element.trimEnd,
 			initialStartTime: element.startTime,
@@ -89,104 +92,69 @@ export function useTimelineElementResize({
 		return false;
 	}, [element.type]);
 
-	const updateTrimFromMouseMove = useCallback(({ clientX }: { clientX: number }) => {
-		if (!resizing) return;
+	const updateTrimFromMouseMove = useCallback(
+		({ clientX }: { clientX: number }) => {
+			if (!resizing) return;
 
-		const deltaX = clientX - resizing.startX;
-		let deltaTime = deltaX / (50 * zoomLevel);
-		let resizeSnapPoint: SnapPoint | null = null;
+			const deltaX = clientX - resizing.startX;
+			let deltaTime =
+				deltaX / (TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel);
+			let resizeSnapPoint: SnapPoint | null = null;
 
-		const projectFps = activeProject.settings.fps;
-		const minDurationSeconds = 1 / projectFps;
-		const canSnap = snappingEnabled;
-		if (canSnap) {
-			const tracks = editor.timeline.getTracks();
-			const playheadTime = editor.playback.getCurrentTime();
-			const snapPoints = findSnapPoints({
-				tracks,
-				playheadTime,
-				excludeElementId: element.id,
-			});
-			if (resizing.side === "left") {
-				const targetStartTime = resizing.initialStartTime + deltaTime;
-				const snapResult = snapToNearestPoint({
-					targetTime: targetStartTime,
-					snapPoints,
-					zoomLevel,
+			const projectFps = activeProject.settings.fps;
+			const minDurationSeconds = 1 / projectFps;
+			const shouldSnap = snappingEnabled && !isShiftHeldRef.current;
+			if (shouldSnap) {
+				const tracks = editor.timeline.getTracks();
+				const playheadTime = editor.playback.getCurrentTime();
+				const snapPoints = findSnapPoints({
+					tracks,
+					playheadTime,
+					excludeElementId: element.id,
 				});
-				resizeSnapPoint = snapResult.snapPoint;
-				if (snapResult.snapPoint) {
-					deltaTime = snapResult.snappedTime - resizing.initialStartTime;
-				}
-			} else {
-				const baseEndTime =
-					resizing.initialStartTime + resizing.initialDuration;
-				const targetEndTime = baseEndTime + deltaTime;
-				const snapResult = snapToNearestPoint({
-					targetTime: targetEndTime,
-					snapPoints,
-					zoomLevel,
-				});
-				resizeSnapPoint = snapResult.snapPoint;
-				if (snapResult.snapPoint) {
-					deltaTime = snapResult.snappedTime - baseEndTime;
+				if (resizing.side === "left") {
+					const targetStartTime = resizing.initialStartTime + deltaTime;
+					const snapResult = snapToNearestPoint({
+						targetTime: targetStartTime,
+						snapPoints,
+						zoomLevel,
+					});
+					resizeSnapPoint = snapResult.snapPoint;
+					if (snapResult.snapPoint) {
+						deltaTime = snapResult.snappedTime - resizing.initialStartTime;
+					}
+				} else {
+					const baseEndTime =
+						resizing.initialStartTime + resizing.initialDuration;
+					const targetEndTime = baseEndTime + deltaTime;
+					const snapResult = snapToNearestPoint({
+						targetTime: targetEndTime,
+						snapPoints,
+						zoomLevel,
+					});
+					resizeSnapPoint = snapResult.snapPoint;
+					if (snapResult.snapPoint) {
+						deltaTime = snapResult.snappedTime - baseEndTime;
+					}
 				}
 			}
-		}
-		onSnapPointChange?.(resizeSnapPoint);
+			onSnapPointChange?.(resizeSnapPoint);
 
-		if (resizing.side === "left") {
-			const sourceDuration =
-				resizing.initialTrimStart +
-				resizing.initialDuration +
-				resizing.initialTrimEnd;
-			const maxAllowed =
-				sourceDuration - resizing.initialTrimEnd - minDurationSeconds;
-			const calculated = resizing.initialTrimStart + deltaTime;
+			if (resizing.side === "left") {
+				const sourceDuration =
+					resizing.initialTrimStart +
+					resizing.initialDuration +
+					resizing.initialTrimEnd;
+				const maxAllowed =
+					sourceDuration - resizing.initialTrimEnd - minDurationSeconds;
+				const calculated = resizing.initialTrimStart + deltaTime;
 
-			if (calculated >= 0 && calculated <= maxAllowed) {
-				const newTrimStart = snapTimeToFrame({
-					time: Math.min(maxAllowed, calculated),
-					fps: projectFps,
-				});
-				const trimDelta = newTrimStart - resizing.initialTrimStart;
-				const newStartTime = snapTimeToFrame({
-					time: resizing.initialStartTime + trimDelta,
-					fps: projectFps,
-				});
-				const newDuration = snapTimeToFrame({
-					time: resizing.initialDuration - trimDelta,
-					fps: projectFps,
-				});
-
-				setCurrentTrimStart(newTrimStart);
-				setCurrentStartTime(newStartTime);
-				setCurrentDuration(newDuration);
-				currentTrimStartRef.current = newTrimStart;
-				currentStartTimeRef.current = newStartTime;
-				currentDurationRef.current = newDuration;
-			} else if (calculated < 0) {
-				if (canExtendElementDuration()) {
-					const extensionAmount = Math.abs(calculated);
-					const maxExtension = resizing.initialStartTime;
-					const actualExtension = Math.min(extensionAmount, maxExtension);
-					const newStartTime = snapTimeToFrame({
-						time: resizing.initialStartTime - actualExtension,
+				if (calculated >= 0 && calculated <= maxAllowed) {
+					const newTrimStart = snapTimeToFrame({
+						time: Math.min(maxAllowed, calculated),
 						fps: projectFps,
 					});
-					const newDuration = snapTimeToFrame({
-						time: resizing.initialDuration + actualExtension,
-						fps: projectFps,
-					});
-
-					setCurrentTrimStart(0);
-					setCurrentStartTime(newStartTime);
-					setCurrentDuration(newDuration);
-					currentTrimStartRef.current = 0;
-					currentStartTimeRef.current = newStartTime;
-					currentDurationRef.current = newDuration;
-				} else {
-					const trimDelta = 0 - resizing.initialTrimStart;
+					const trimDelta = newTrimStart - resizing.initialTrimStart;
 					const newStartTime = snapTimeToFrame({
 						time: resizing.initialStartTime + trimDelta,
 						fps: projectFps,
@@ -196,68 +164,119 @@ export function useTimelineElementResize({
 						fps: projectFps,
 					});
 
-					setCurrentTrimStart(0);
+					setCurrentTrimStart(newTrimStart);
 					setCurrentStartTime(newStartTime);
 					setCurrentDuration(newDuration);
-					currentTrimStartRef.current = 0;
+					currentTrimStartRef.current = newTrimStart;
 					currentStartTimeRef.current = newStartTime;
 					currentDurationRef.current = newDuration;
-				}
-			}
-		} else {
-			const sourceDuration =
-				resizing.initialTrimStart +
-				resizing.initialDuration +
-				resizing.initialTrimEnd;
-			const newTrimEnd = resizing.initialTrimEnd - deltaTime;
+				} else if (calculated < 0) {
+					if (canExtendElementDuration()) {
+						const extensionAmount = Math.abs(calculated);
+						const maxExtension = resizing.initialStartTime;
+						const actualExtension = Math.min(extensionAmount, maxExtension);
+						const newStartTime = snapTimeToFrame({
+							time: resizing.initialStartTime - actualExtension,
+							fps: projectFps,
+						});
+						const newDuration = snapTimeToFrame({
+							time: resizing.initialDuration + actualExtension,
+							fps: projectFps,
+						});
 
-			if (newTrimEnd < 0) {
-				if (canExtendElementDuration()) {
-					const extensionNeeded = Math.abs(newTrimEnd);
-					const baseDuration =
-						resizing.initialDuration + resizing.initialTrimEnd;
-					const newDuration = snapTimeToFrame({
-						time: baseDuration + extensionNeeded,
-						fps: projectFps,
-					});
+						setCurrentTrimStart(0);
+						setCurrentStartTime(newStartTime);
+						setCurrentDuration(newDuration);
+						currentTrimStartRef.current = 0;
+						currentStartTimeRef.current = newStartTime;
+						currentDurationRef.current = newDuration;
+					} else {
+						const trimDelta = 0 - resizing.initialTrimStart;
+						const newStartTime = snapTimeToFrame({
+							time: resizing.initialStartTime + trimDelta,
+							fps: projectFps,
+						});
+						const newDuration = snapTimeToFrame({
+							time: resizing.initialDuration - trimDelta,
+							fps: projectFps,
+						});
 
-					setCurrentDuration(newDuration);
-					setCurrentTrimEnd(0);
-					currentDurationRef.current = newDuration;
-					currentTrimEndRef.current = 0;
-				} else {
-					const extensionToLimit = resizing.initialTrimEnd;
-					const newDuration = snapTimeToFrame({
-						time: resizing.initialDuration + extensionToLimit,
-						fps: projectFps,
-					});
-
-					setCurrentDuration(newDuration);
-					setCurrentTrimEnd(0);
-					currentDurationRef.current = newDuration;
-					currentTrimEndRef.current = 0;
+						setCurrentTrimStart(0);
+						setCurrentStartTime(newStartTime);
+						setCurrentDuration(newDuration);
+						currentTrimStartRef.current = 0;
+						currentStartTimeRef.current = newStartTime;
+						currentDurationRef.current = newDuration;
+					}
 				}
 			} else {
-				const maxTrimEnd =
-					sourceDuration - resizing.initialTrimStart - minDurationSeconds;
-				const clampedTrimEnd = Math.min(maxTrimEnd, Math.max(0, newTrimEnd));
-				const finalTrimEnd = snapTimeToFrame({
-					time: clampedTrimEnd,
-					fps: projectFps,
-				});
-				const trimDelta = finalTrimEnd - resizing.initialTrimEnd;
-				const newDuration = snapTimeToFrame({
-					time: resizing.initialDuration - trimDelta,
-					fps: projectFps,
-				});
+				const sourceDuration =
+					resizing.initialTrimStart +
+					resizing.initialDuration +
+					resizing.initialTrimEnd;
+				const newTrimEnd = resizing.initialTrimEnd - deltaTime;
 
-				setCurrentTrimEnd(finalTrimEnd);
-				setCurrentDuration(newDuration);
-				currentTrimEndRef.current = finalTrimEnd;
-				currentDurationRef.current = newDuration;
+				if (newTrimEnd < 0) {
+					if (canExtendElementDuration()) {
+						const extensionNeeded = Math.abs(newTrimEnd);
+						const baseDuration =
+							resizing.initialDuration + resizing.initialTrimEnd;
+						const newDuration = snapTimeToFrame({
+							time: baseDuration + extensionNeeded,
+							fps: projectFps,
+						});
+
+						setCurrentDuration(newDuration);
+						setCurrentTrimEnd(0);
+						currentDurationRef.current = newDuration;
+						currentTrimEndRef.current = 0;
+					} else {
+						const extensionToLimit = resizing.initialTrimEnd;
+						const newDuration = snapTimeToFrame({
+							time: resizing.initialDuration + extensionToLimit,
+							fps: projectFps,
+						});
+
+						setCurrentDuration(newDuration);
+						setCurrentTrimEnd(0);
+						currentDurationRef.current = newDuration;
+						currentTrimEndRef.current = 0;
+					}
+				} else {
+					const maxTrimEnd =
+						sourceDuration - resizing.initialTrimStart - minDurationSeconds;
+					const clampedTrimEnd = Math.min(maxTrimEnd, Math.max(0, newTrimEnd));
+					const finalTrimEnd = snapTimeToFrame({
+						time: clampedTrimEnd,
+						fps: projectFps,
+					});
+					const trimDelta = finalTrimEnd - resizing.initialTrimEnd;
+					const newDuration = snapTimeToFrame({
+						time: resizing.initialDuration - trimDelta,
+						fps: projectFps,
+					});
+
+					setCurrentTrimEnd(finalTrimEnd);
+					setCurrentDuration(newDuration);
+					currentTrimEndRef.current = finalTrimEnd;
+					currentDurationRef.current = newDuration;
+				}
 			}
-		}
-	}, [resizing, zoomLevel, activeProject.settings.fps, snappingEnabled, editor, findSnapPoints, snapToNearestPoint, element.id, onSnapPointChange, canExtendElementDuration]);
+		},
+		[
+			resizing,
+			zoomLevel,
+			activeProject.settings.fps,
+			snappingEnabled,
+			editor,
+			findSnapPoints,
+			snapToNearestPoint,
+			element.id,
+			onSnapPointChange,
+			canExtendElementDuration,
+			isShiftHeldRef,
+		],
+	);
 
 	const handleResizeEnd = useCallback(() => {
 		if (!resizing) return;
@@ -297,7 +316,14 @@ export function useTimelineElementResize({
 		setResizing(null);
 		onResizeStateChange?.({ isResizing: false });
 		onSnapPointChange?.(null);
-	}, [resizing, editor.timeline, element.id, track.id, onResizeStateChange, onSnapPointChange]);
+	}, [
+		resizing,
+		editor.timeline,
+		element.id,
+		track.id,
+		onResizeStateChange,
+		onSnapPointChange,
+	]);
 
 	useEffect(() => {
 		if (!resizing) return;

apps/web/src/hooks/timeline/element/use-element-selection.ts

@@ -21,7 +21,9 @@ export function useElementSelection() {
 
 	const selectElement = useCallback(
 		({ trackId, elementId }: ElementRef) => {
-			editor.selection.setSelectedElements({ elements: [{ trackId, elementId }] });
+			editor.selection.setSelectedElements({
+				elements: [{ trackId, elementId }],
+			});
 		},
 		[editor],
 	);