refactor(integrations): drop unused logos, brand icons, and card wrapper

Keep only the Settings Integrations page wiring: three plugins, i18n,
search/metadata, and the plugins-store registry boolean needed for
failure status. Remove ProviderLogo fallbacks, SVG assets, custom sprite
icons, and the separate IntegrationCard layer.

Co-authored-by: Serhii Dziupin <makeittech@users.noreply.github.com>

packages/ui/src/components/sections/integrations/thirdPartyPlugins.ts

@@ -7,8 +7,6 @@ export interface ThirdPartyPluginDefinition {
   packageName: string;
   providerId: string;
   icon: IconName;
-  /** Brand mark color class (theme tokens only). */
-  brandClassName: string;
   nameKey: I18nKey;
   descriptionKey: I18nKey;
   homepage: string;
@@ -19,8 +17,7 @@ export const THIRD_PARTY_PLUGINS: readonly ThirdPartyPluginDefinition[] = [
     id: 'opencode-claude',
     packageName: '@otto-assistant/opencode-claude',
     providerId: 'claude-code',
-    icon: 'claude-code',
-    brandClassName: 'text-foreground',
+    icon: 'sparkling',
     nameKey: 'settings.integrations.thirdParty.opencodeClaude.name',
     descriptionKey: 'settings.integrations.thirdParty.opencodeClaude.description',
     homepage: 'https://github.com/otto-assistant/opencode-claude',
@@ -29,8 +26,7 @@ export const THIRD_PARTY_PLUGINS: readonly ThirdPartyPluginDefinition[] = [
     id: 'opencode-commandcode',
     packageName: '@otto-assistant/opencode-commandcode',
     providerId: 'command-code',
-    icon: 'command-code',
-    brandClassName: 'text-foreground',
+    icon: 'terminal-box',
     nameKey: 'settings.integrations.thirdParty.opencodeCommandcode.name',
     descriptionKey: 'settings.integrations.thirdParty.opencodeCommandcode.description',
     homepage: 'https://github.com/otto-assistant/opencode-commandcode',
@@ -40,7 +36,6 @@ export const THIRD_PARTY_PLUGINS: readonly ThirdPartyPluginDefinition[] = [
     packageName: '@otto-assistant/opencode-cursor-oauth',
     providerId: 'cursor',
     icon: 'cursor',
-    brandClassName: 'text-foreground',
     nameKey: 'settings.integrations.thirdParty.opencodeCursorOauth.name',
     descriptionKey: 'settings.integrations.thirdParty.opencodeCursorOauth.description',
     homepage: 'https://github.com/otto-assistant/opencode-cursor',