perf: memo GridCard, fuse save fns, fix slash tab active color

memento-note/lib/ai/router.ts

@@ -24,6 +24,8 @@ export type AiGatewayProvider =
   | 'lmstudio'
   | 'anthropic'
   | 'anthropic_custom'
+  | 'custom_openai'
+  | 'custom_anthropic'
 
 export interface ResolvedAiRoute {
   lane: AiFeatureLane
@@ -40,6 +42,7 @@ export const VALID_PROVIDERS = new Set<string>([
   'ollama', 'openai', 'google', 'minimax', 'glm', 'custom',
   'deepseek', 'openrouter', 'mistral', 'zai', 'lmstudio',
   'anthropic', 'anthropic_custom',
+  'custom_openai', 'custom_anthropic',
 ])
 
 const PROVIDER_MODEL_DEFAULTS: Record<string, { model: string; embeddingModel: string }> = {
@@ -56,6 +59,8 @@ const PROVIDER_MODEL_DEFAULTS: Record<string, { model: string; embeddingModel: s
   glm:               { model: 'glm-4',                        embeddingModel: 'embedding-2' },
   lmstudio:          { model: '',                              embeddingModel: '' },
   custom:            { model: '',                              embeddingModel: '' },
+  custom_openai:     { model: 'gpt-4o-mini',                    embeddingModel: 'text-embedding-3-small' },
+  custom_anthropic:  { model: 'claude-sonnet-4-6-20250514',   embeddingModel: '' },
 }
 
 function pick(config: Record<string, string>, key: string): string | undefined {