fix(theme): constrain shared preference schema

Signed-off-by: kenny lopez <klopez4212@gmail.com>

desktop/src/shared/theme/communityThemePreference.test.mjs

@@ -25,7 +25,12 @@ import {
   writeCommunityThemeOutbox,
   writeCommunityThemePreference,
 } from "./communityThemePreference.ts";
-import { GLASS_OPACITY_MAX, GLASS_OPACITY_MIN } from "./ThemeProvider.tsx";
+import {
+  ACCENT_COLORS,
+  GLASS_OPACITY_MAX,
+  GLASS_OPACITY_MIN,
+} from "./ThemeProvider.tsx";
+import { SYNTAX_THEMES } from "./theme-loader.ts";
 
 function localStorageStub() {
   const data = new Map();
@@ -361,6 +366,14 @@ test("desktop appearance limits match the shared wire contract", () => {
     DEFAULT_COMMUNITY_THEME.prominentActiveTab,
     contract.properties.prominentActiveTab.default,
   );
+  assert.deepEqual(
+    [...contract.properties.theme.enum].sort(),
+    [...SYNTAX_THEMES].sort(),
+  );
+  assert.deepEqual(
+    [...contract.properties.accent.enum].sort(),
+    ACCENT_COLORS.map(({ value }) => value).sort(),
+  );
 });
 
 test("appearance equality includes glass and prominent-tab choices", () => {

mobile/test/shared/theme/community_theme_preference_test.dart

@@ -77,6 +77,8 @@ void main() {
     final glassOpacity = properties['glassOpacity'] as Map<String, dynamic>;
     final prominentActiveTab =
         properties['prominentActiveTab'] as Map<String, dynamic>;
+    final theme = properties['theme'] as Map<String, dynamic>;
+    final accent = properties['accent'] as Map<String, dynamic>;
 
     expect(defaultCommunityGlassBackground, glassBackground['default'] as bool);
     expect(defaultCommunityGlassOpacity, glassOpacity['default'] as int);
@@ -86,6 +88,14 @@ void main() {
       defaultCommunityProminentActiveTab,
       prominentActiveTab['default'] as bool,
     );
+    expect(
+      theme['enum'],
+      unorderedEquals(themeCatalog.map((entry) => entry.name)),
+    );
+    expect(
+      accent['enum'],
+      unorderedEquals(accentColors.map((entry) => entry.wireValue)),
+    );
   });
 
   test('rejects invalid theme and appearance values', () {

schema/community-theme-v1.json

@@ -18,10 +18,86 @@
       "const": 1
     },
     "theme": {
-      "type": "string"
+      "type": "string",
+      "enum": [
+        "buzz",
+        "buzz-dark",
+        "andromeeda",
+        "aurora-x",
+        "ayu-dark",
+        "catppuccin-frappe",
+        "catppuccin-latte",
+        "catppuccin-macchiato",
+        "catppuccin-mocha",
+        "dark-plus",
+        "dracula",
+        "dracula-soft",
+        "everforest-dark",
+        "everforest-light",
+        "github-dark",
+        "github-dark-default",
+        "github-dark-dimmed",
+        "github-dark-high-contrast",
+        "github-light",
+        "github-light-default",
+        "github-light-high-contrast",
+        "gruvbox-dark-hard",
+        "gruvbox-dark-medium",
+        "gruvbox-dark-soft",
+        "gruvbox-light-hard",
+        "gruvbox-light-medium",
+        "gruvbox-light-soft",
+        "houston",
+        "kanagawa-dragon",
+        "kanagawa-lotus",
+        "kanagawa-wave",
+        "laserwave",
+        "light-plus",
+        "material-theme",
+        "material-theme-darker",
+        "material-theme-lighter",
+        "material-theme-ocean",
+        "material-theme-palenight",
+        "min-dark",
+        "min-light",
+        "monokai",
+        "night-owl",
+        "nord",
+        "one-dark-pro",
+        "one-light",
+        "plastic",
+        "poimandres",
+        "red",
+        "rose-pine",
+        "rose-pine-dawn",
+        "rose-pine-moon",
+        "slack-dark",
+        "slack-ochin",
+        "snazzy-light",
+        "solarized-dark",
+        "solarized-light",
+        "synthwave-84",
+        "tokyo-night",
+        "vesper",
+        "vitesse-black",
+        "vitesse-dark",
+        "vitesse-light"
+      ]
     },
     "accent": {
-      "type": "string"
+      "type": "string",
+      "enum": [
+        "neutral",
+        "#3b82f6",
+        "#06b6d4",
+        "#22c55e",
+        "#f97316",
+        "#ef4444",
+        "#ec4899",
+        "#c0a2f1",
+        "#a855f7",
+        "#6366f1"
+      ]
     },
     "followSystem": {
       "type": "boolean"