Migrate remaining class/decorator Vue components to Composition API (#3)

* Plan: migrate class-based Vue components to Composition API

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* Migrate legacy class-based Vue components to Composition API

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* Fix BlogIndex tag key uniqueness after review

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* Apply validation feedback and finalize composition migration

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* Remove package-lock and validate project with Bun lockfile

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* Normalize bun.lockb file mode

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package.json

@@ -18,7 +18,6 @@
         "moment": "^2.30.1",
         "tg-blog": "^1.1.7",
         "vue": "^3.4.35",
-        "vue-facing-decorator": "^4.0.1",
         "vue-i18n": "^11.1.12",
         "vue-router": "^4.4.0"
     },