Refactor code structure for improved readability and maintainability

package-lock.json

@@ -26,6 +26,7 @@
         "@preact/preset-vite": "^2.10.3",
         "@types/node": "^25.2.3",
         "autoprefixer": "^10.4.21",
+        "opencc-js": "^1.0.5",
         "postcss": "^8.5.6",
         "tailwindcss": "^3.4.17",
         "tsx": "^4.21.0",
@@ -3246,6 +3247,13 @@
         "node": ">= 6"
       }
     },
+    "node_modules/opencc-js": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmmirror.com/opencc-js/-/opencc-js-1.0.5.tgz",
+      "integrity": "sha512-LD+1SoNnZdlRwtYTjnQdFrSVCAaYpuDqL5CkmOaHOkKoKh7mFxUicLTRVNLU5C+Jmi1vXQ3QL4jWdgSaa4sKjg==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/path-parse": {
       "version": "1.0.7",
       "resolved": "https://registry.npmmirror.com/path-parse/-/path-parse-1.0.7.tgz",