fix(deploy): build web app for subpath deployment

- workflows use build:app instead of lib build

- inject VITE_APP_BASE_URL for prod/dev paths

- make vite base configurable via env

- update acceptance status for wiki compatibility

vite.config.js

@@ -3,8 +3,15 @@ import { fileURLToPath, URL } from 'node:url'
 import { defineConfig } from 'vite'
 import vue from '@vitejs/plugin-vue'
 
+const normalizeBase = (value) => {
+  if (!value || value === '/') return '/'
+  const withLeadingSlash = value.startsWith('/') ? value : `/${value}`
+  return withLeadingSlash.endsWith('/') ? withLeadingSlash : `${withLeadingSlash}/`
+}
+
 // https://vitejs.dev/config/
 export default defineConfig({
+  base: normalizeBase(process.env.VITE_APP_BASE_URL || '/'),
   plugins: [
     vue(),
   ],