fix(picture): resolve all TypeScript type errors

- Migrate stores from Database types to API types (camelCase)
- Fix snake_case to camelCase property access across components
- Remove deprecated userId params from API calls (now auth-based)
- Fix Konva type comparisons in BoardCanvas
- Fix async onMount return type issues
- Add emoji property to ThemeVariantDefinition type
- Fix Input autocomplete type to use AutoFill
- Remove invalid 'downloading' status checks

Reduces type errors from 120 to 0.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

packages/shared-theme/src/constants.ts

@@ -202,6 +202,7 @@ export const THEME_DEFINITIONS: Record<ThemeVariant, ThemeVariantDefinition> = {
 		name: 'lume',
 		label: 'Lume',
 		emoji: '✨',
+		icon: 'sparkle',
 		hue: 47,
 		light: lumeLight,
 		dark: lumeDark,
@@ -210,6 +211,7 @@ export const THEME_DEFINITIONS: Record<ThemeVariant, ThemeVariantDefinition> = {
 		name: 'nature',
 		label: 'Nature',
 		emoji: '🌿',
+		icon: 'leaf',
 		hue: 122,
 		light: natureLight,
 		dark: natureDark,
@@ -218,6 +220,7 @@ export const THEME_DEFINITIONS: Record<ThemeVariant, ThemeVariantDefinition> = {
 		name: 'stone',
 		label: 'Stone',
 		emoji: '🪨',
+		icon: 'hexagon',
 		hue: 200,
 		light: stoneLight,
 		dark: stoneDark,
@@ -226,6 +229,7 @@ export const THEME_DEFINITIONS: Record<ThemeVariant, ThemeVariantDefinition> = {
 		name: 'ocean',
 		label: 'Ocean',
 		emoji: '🌊',
+		icon: 'waves',
 		hue: 199,
 		light: oceanLight,
 		dark: oceanDark,

packages/shared-theme/src/types.ts

@@ -77,7 +77,10 @@ export interface ThemeColors {
 export interface ThemeVariantDefinition {
 	name: string;
 	label: string;
+	/** Emoji representation of the theme */
 	emoji: string;
+	/** Icon name for the theme (e.g., 'sparkle', 'leaf', 'hexagon', 'waves') */
+	icon: string;
 	/** The primary hue for this variant (used for accent colors) */
 	hue: number;
 	light: ThemeColors;