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

7 files changed, 74 insertions, 139 deletions

diff --git a/apps/web/src/constants/editor-constants.ts b/apps/web/src/constants/editor-constants.ts
index 213ea875..00e8f19b 100644
--- a/apps/web/src/constants/editor-constants.ts
+++ b/apps/web/src/constants/editor-constants.ts
@@ -1,9 +1,3 @@
-import type { TPlatformLayout } from "@/types/editor";
-
-export const PLATFORM_LAYOUTS: Record<TPlatformLayout, string> = {
-	tiktok: "TikTok",
-};
-
 export const PANEL_CONFIG = {
 	panels: {
 		tools: 25,
diff --git a/apps/web/src/constants/font-constants.ts b/apps/web/src/constants/font-constants.ts
index 46f84848..d115d09b 100644
--- a/apps/web/src/constants/font-constants.ts
+++ b/apps/web/src/constants/font-constants.ts
@@ -1,79 +1,13 @@
-export interface FontOption {
-	value: string;
-	label: string;
-	category: "system" | "google" | "custom";
-	weights?: number[];
-	hasClassName?: boolean;
-}
-
-export const FONT_OPTIONS: FontOption[] = [
-	// System fonts (always available)
-	{ value: "Arial", label: "Arial", category: "system", hasClassName: false },
-	{
-		value: "Helvetica",
-		label: "Helvetica",
-		category: "system",
-		hasClassName: false,
-	},
-	{
-		value: "Times New Roman",
-		label: "Times New Roman",
-		category: "system",
-		hasClassName: false,
-	},
-	{
-		value: "Georgia",
-		label: "Georgia",
-		category: "system",
-		hasClassName: false,
-	},
-
-	// Google Fonts (loaded in layout.tsx)
-	{
-		value: "Inter",
-		label: "Inter",
-		category: "google",
-		weights: [400, 700],
-		hasClassName: true,
-	},
-	{
-		value: "Roboto",
-		label: "Roboto",
-		category: "google",
-		weights: [400, 700],
-		hasClassName: true,
-	},
-	{
-		value: "Open Sans",
-		label: "Open Sans",
-		category: "google",
-		hasClassName: true,
-	},
-	{
-		value: "Playfair Display",
-		label: "Playfair Display",
-		category: "google",
-		hasClassName: true,
-	},
-	{
-		value: "Comic Neue",
-		label: "Comic Neue",
-		category: "google",
-		hasClassName: false,
-	},
-] as const;
-
 export const DEFAULT_FONT = "Arial";
 
-// Type-safe font family union
-export type FontFamily = (typeof FONT_OPTIONS)[number]["value"];
-
-// Helper functions
-export const getFontByValue = (value: string): FontOption | undefined =>
-	FONT_OPTIONS.find((font) => font.value === value);
-
-export const getGoogleFonts = (): FontOption[] =>
-	FONT_OPTIONS.filter((font) => font.category === "google");
-
-export const getSystemFonts = (): FontOption[] =>
-	FONT_OPTIONS.filter((font) => font.category === "system");
+export const SYSTEM_FONTS = new Set([
+	"Arial",
+	"Helvetica",
+	"Times New Roman",
+	"Courier New",
+	"Verdana",
+	"Georgia",
+	"monospace",
+	"sans-serif",
+	"serif",
+]);
diff --git a/apps/web/src/constants/site-constants.ts b/apps/web/src/constants/site-constants.ts
index ac6cd2cd..10981727 100644
--- a/apps/web/src/constants/site-constants.ts
+++ b/apps/web/src/constants/site-constants.ts
@@ -1,4 +1,4 @@
-import { OcDataBuddyIcon, OcMarbleIcon, } from "@opencut/ui/icons";
+import { OcDataBuddyIcon, OcMarbleIcon } from "@opencut/ui/icons";
 
 export const SITE_URL = "https://opencut.app";
 
diff --git a/apps/web/src/constants/sticker-constants.ts b/apps/web/src/constants/sticker-constants.ts
new file mode 100644
index 00000000..506e552d
--- /dev/null
+++ b/apps/web/src/constants/sticker-constants.ts
@@ -0,0 +1,8 @@
+export const STICKER_CATEGORIES = {
+	all: "All",
+	logos: "Logos",
+	icons: "Icons",
+	emoji: "Emoji",
+	flags: "Flags",
+	shapes: "Shapes",
+};
diff --git a/apps/web/src/constants/stickers-constants.ts b/apps/web/src/constants/stickers-constants.ts
deleted file mode 100644
index 3c98d4f7..00000000
--- a/apps/web/src/constants/stickers-constants.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-export const STICKER_CATEGORIES = [
-	"all",
-	"general",
-	"brands",
-	"emoji",
-] as const;
-
-export const STICKER_CATEGORY_CONFIG: Record<
-	(typeof STICKER_CATEGORIES)[number],
-	string | undefined
-> = {
-	all: undefined,
-	general: "General",
-	brands: "Brands / Social",
-	emoji: "Emoji",
-};
diff --git a/apps/web/src/constants/text-constants.ts b/apps/web/src/constants/text-constants.ts
index 83dd251f..f0b2143d 100644
--- a/apps/web/src/constants/text-constants.ts
+++ b/apps/web/src/constants/text-constants.ts
@@ -1,38 +1,40 @@
-import type { TextElement } from "@/types/timeline";

-import { TIMELINE_CONSTANTS } from "./timeline-constants";

-

-export const MIN_FONT_SIZE = 5;

-export const MAX_FONT_SIZE = 300;

-

-/**

- * higher value: smaller font size

- * lower value: larger font size

- */

-export const FONT_SIZE_SCALE_REFERENCE = 90;

-

-export const DEFAULT_TEXT_ELEMENT: Omit<TextElement, "id"> = {

-	type: "text",

-	name: "Text",

-	content: "Default text",

-	fontSize: 15,

-	fontFamily: "Arial",

-	color: "#ffffff",

-	backgroundColor: "transparent",

-	textAlign: "center",

-	fontWeight: "normal",

-	fontStyle: "normal",

-	textDecoration: "none",

-	duration: TIMELINE_CONSTANTS.DEFAULT_ELEMENT_DURATION,

-	startTime: 0,

-	trimStart: 0,

-	trimEnd: 0,

-	transform: {

-		scale: 1,

-		position: {

-			x: 0,

-			y: 0,

-		},

-		rotate: 0,

-	},

-	opacity: 1,

-};

+import type { TextElement } from "@/types/timeline";
+import {
+	DEFAULT_OPACITY,
+	DEFAULT_TRANSFORM,
+	TIMELINE_CONSTANTS,
+} from "./timeline-constants";
+
+export const MIN_FONT_SIZE = 5;
+export const MAX_FONT_SIZE = 300;
+
+/**
+ * higher value: smaller font size
+ * lower value: larger font size
+ */
+export const FONT_SIZE_SCALE_REFERENCE = 90;
+
+export const DEFAULT_LETTER_SPACING = 0;
+export const DEFAULT_LINE_HEIGHT = 1.2;
+
+export const DEFAULT_TEXT_ELEMENT: Omit<TextElement, "id"> = {
+	type: "text",
+	name: "Text",
+	content: "Default text",
+	fontSize: 15,
+	fontFamily: "Arial",
+	color: "#ffffff",
+	backgroundColor: "#000000",
+	textAlign: "center",
+	fontWeight: "normal",
+	fontStyle: "normal",
+	textDecoration: "none",
+	letterSpacing: DEFAULT_LETTER_SPACING,
+	lineHeight: DEFAULT_LINE_HEIGHT,
+	duration: TIMELINE_CONSTANTS.DEFAULT_ELEMENT_DURATION,
+	startTime: 0,
+	trimStart: 0,
+	trimEnd: 0,
+	transform: DEFAULT_TRANSFORM,
+	opacity: DEFAULT_OPACITY,
+};
diff --git a/apps/web/src/constants/timeline-constants.tsx b/apps/web/src/constants/timeline-constants.tsx
index d6af3c3a..5ac0913a 100644
--- a/apps/web/src/constants/timeline-constants.tsx
+++ b/apps/web/src/constants/timeline-constants.tsx
@@ -1,5 +1,6 @@
 import type { TTimelineViewState } from "@/types/project";
-import type { TrackType } from "@/types/timeline";
+import type { BlendMode } from "@/types/rendering";
+import type { TrackType, Transform } from "@/types/timeline";
 import {
 	Happy01Icon,
 	MusicNote03Icon,
@@ -8,6 +9,16 @@ import {
 import { HugeiconsIcon } from "@hugeicons/react";
 import { OcVideoIcon } from "@opencut/ui/icons";
 
+export const DEFAULT_TRANSFORM: Transform = {
+	scale: 1,
+	position: { x: 0, y: 0 },
+	rotate: 0,
+};
+
+export const DEFAULT_OPACITY = 1;
+export const DEFAULT_BLEND_MODE: BlendMode = "normal";
+export const DEFAULT_BOOKMARK_COLOR = "#009dff";
+
 export const TRACK_COLORS: Record<TrackType, { background: string }> = {
 	video: {
 		background: "transparent",
@@ -32,6 +43,8 @@ export const TRACK_HEIGHTS: Record<TrackType, number> = {
 
 export const TRACK_GAP = 4;
 
+export const DRAG_THRESHOLD_PX = 5;
+
 export const TIMELINE_CONSTANTS = {
 	PIXELS_PER_SECOND: 50,
 	DEFAULT_ELEMENT_DURATION: 5,