feat(frontend)!: sveltekit 3 on the v0.7.0 template, typescript 6, adapter-auto dropped; backend base moves to trixie

frontend/tsconfig.json

@@ -1,20 +1,9 @@
 {
-  "extends": "./.svelte-kit/tsconfig.json",
+  "extends": "$app/tsconfig",
   "compilerOptions": {
     "rewriteRelativeImportExtensions": true,
-    "allowJs": true,
-    "checkJs": true,
-    "esModuleInterop": true,
-    "forceConsistentCasingInFileNames": true,
-    "resolveJsonModule": true,
-    "skipLibCheck": true,
     "sourceMap": true,
-    "strict": true,
-    "moduleResolution": "bundler"
-  }
-  // Path aliases are handled by https://svelte.dev/docs/kit/configuration#alias
-  // except $lib which is handled by https://svelte.dev/docs/kit/configuration#files
-  //
-  // To make changes to top-level options such as include and exclude, we recommend extending
-  // the generated config; see https://svelte.dev/docs/kit/configuration#typescript
+    "strict": true
+  },
+  "include": ["src", "vite.config.ts"]
 }