docs: use fflate for state compression

pnpm-lock.yaml

@@ -92,15 +92,18 @@ importers:
       '@vueuse/core':
         specifier: ^14.1.0
         version: 14.1.0(vue@3.5.24(typescript@5.9.3))
+      fflate:
+        specifier: ^0.8.2
+        version: 0.8.2
       gpt-tokenizer:
         specifier: ^3.4.0
         version: 3.4.0
-      lz-string:
-        specifier: ^1.5.0
-        version: 1.5.0
       markdown-it-mathjax3:
         specifier: ^4.3.2
         version: 4.3.2
+      uint8array-extras:
+        specifier: ^1.5.0
+        version: 1.5.0
       unocss:
         specifier: ^66.5.9
         version: 66.5.9(postcss@8.5.6)(vite@7.2.4(@types/node@24.10.1)(jiti@2.6.1)(tsx@4.20.6)(yaml@2.8.1))
@@ -2177,6 +2180,9 @@ packages:
       picomatch:
         optional: true
 
+  fflate@0.8.2:
+    resolution: {integrity: sha512-cPJU47OaAoCbg0pBvzsgpTPhmhqI5eJjh/JIu8tPj5q+T7iLvW/JAYUqmE7KOB4R1ZyEhzBaIQpQpardBF5z8A==}
+
   file-entry-cache@8.0.0:
     resolution: {integrity: sha512-XXTUwCvisa5oacNGRP9SfNtYBNAMi+RPwBFmblZEF7N7swHYQS6/Zfk7SRwx4D5j3CH211YNRco1DEMNVfZCnQ==}
     engines: {node: '>=16.0.0'}
@@ -2459,10 +2465,6 @@ packages:
   lru-cache@10.4.3:
     resolution: {integrity: sha512-JNAzZcXrCt42VGLuYz0zfAzDfAvJWW6AfYlDBQyDV5DClI2m5sAmK+OIO7s59XfsRsWHp02jAJrRadPRGTt6SQ==}
 
-  lz-string@1.5.0:
-    resolution: {integrity: sha512-h5bgJWpxJNswbU7qCrV0tIKQCaS3blPDrqKWx+QxzuzL1zGUzij9XCWLrSLsJPu5t+eWA/ycetzYAO5IOMcWAQ==}
-    hasBin: true
-
   magic-string@0.30.21:
     resolution: {integrity: sha512-vd2F4YUyEXKGcLHoq+TEyCjxueSeHnFxyyjNp80yg0XV4vUhnDer/lvvlqM/arB5bXQN5K2/3oinyCRyx8T2CQ==}
 
@@ -3200,6 +3202,10 @@ packages:
   ufo@1.6.1:
     resolution: {integrity: sha512-9a4/uxlTWJ4+a5i0ooc1rU7C7YOw3wT+UGqdeNNHWnOF9qcMBgLRS+4IYUqbczewFx4mLEig6gawh7X6mFlEkA==}
 
+  uint8array-extras@1.5.0:
+    resolution: {integrity: sha512-rvKSBiC5zqCCiDZ9kAOszZcDvdAHwwIKJG33Ykj43OKcWsnmcBRL09YTU4nOeHZ8Y2a7l1MgTd08SBe9A8Qj6A==}
+    engines: {node: '>=18'}
+
   unconfig-core@7.4.1:
     resolution: {integrity: sha512-Bp/bPZjV2Vl/fofoA2OYLSnw1Z0MOhCX7zHnVCYrazpfZvseBbGhwcNQMxsg185Mqh7VZQqK3C8hFG/Dyng+yA==}
 
@@ -5664,6 +5670,8 @@ snapshots:
     optionalDependencies:
       picomatch: 4.0.3
 
+  fflate@0.8.2: {}
+
   file-entry-cache@8.0.0:
     dependencies:
       flat-cache: 4.0.1
@@ -5927,8 +5935,6 @@ snapshots:
 
   lru-cache@10.4.3: {}
 
-  lz-string@1.5.0: {}
-
   magic-string@0.30.21:
     dependencies:
       '@jridgewell/sourcemap-codec': 1.5.5
@@ -6856,6 +6862,8 @@ snapshots:
 
   ufo@1.6.1: {}
 
+  uint8array-extras@1.5.0: {}
+
   unconfig-core@7.4.1:
     dependencies:
       '@quansync/fs': 0.1.5