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

memento-note/tests/unit/entitlements.test.ts

@@ -72,8 +72,8 @@ describe('entitlements', () => {
       const result = await canUseFeature('user1', 'semantic_search');
 
       expect(result.allowed).toBe(true);
-      expect(result.limit).toBe(100);
-      expect(result.remaining).toBe(50);
+      expect(result.limit).toBe(200);
+      expect(result.remaining).toBe(150);
     });
 
     it('should allow ENTERPRISE user unlimited features', async () => {
@@ -130,24 +130,13 @@ describe('entitlements', () => {
       expect(result.limit).toBe(30);
     });
 
-    it('should allow BASIC user to use chat when under limit (10)', async () => {
+    it('should deny BASIC user to use chat by default (strict lock)', async () => {
       mockActiveSubscription('BASIC');
-      vi.mocked(redis.get).mockResolvedValue('5');
-
-      const result = await canUseFeature('user1', 'chat');
-
-      expect(result.allowed).toBe(true);
-      expect(result.limit).toBe(10);
-    });
-
-    it('should deny BASIC user when chat quota is exhausted', async () => {
-      mockActiveSubscription('BASIC');
-      vi.mocked(redis.get).mockResolvedValue('10');
 
       const result = await canUseFeature('user1', 'chat');
 
       expect(result.allowed).toBe(false);
-      expect(result.reason).toBe('QUOTA_EXCEEDED');
+      expect(result.reason).toBe('FEATURE_NOT_AVAILABLE');
     });
 
     it('should fail-open when Redis is down', async () => {
@@ -209,7 +198,7 @@ describe('entitlements', () => {
 
       const result = await canUseFeature('user1', 'semantic_search');
 
-      expect(result.limit).toBe(100);
+      expect(result.limit).toBe(200);
     });
 
     it('should drop to BASIC for PAST_DUE past billing period', async () => {