feat(console-web): replace TanStack UI with Solid host pages

- move the management frontend under the wasmeld-console crate
- use a persistent Host shell with disposable iframe page documents
- version Host/Page postMessage state and command contracts
- migrate runtime, service, WIT, invocation, and settings workflows
- add Tailwind CSS v4, responsive layouts, and Host-owned dialogs
- emit a dependency-free PWA worker with API cache exclusions
- remove the superseded root TanStack Start application

crates/wasmeld-console/web/package.json

@@ -0,0 +1,32 @@
+{
+  "name": "wasmeld-console-web",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "vite dev",
+    "build": "vite build && tsc --noEmit",
+    "preview": "vite preview",
+    "test": "npm run build && node --test tests/build-output.test.mjs",
+    "lint": "oxlint . --deny-warnings",
+    "format": "oxfmt .",
+    "format:check": "oxfmt --check ."
+  },
+  "dependencies": {
+    "lucide-solid": "1.27.0",
+    "solid-js": "1.9.14"
+  },
+  "devDependencies": {
+    "@tailwindcss/vite": "4.3.3",
+    "@types/node": "24.10.1",
+    "oxfmt": "0.61.0",
+    "oxlint": "1.76.0",
+    "tailwindcss": "4.3.3",
+    "typescript": "7.0.2",
+    "vite": "8.1.5",
+    "vite-plugin-solid": "2.11.14"
+  },
+  "engines": {
+    "node": ">=22.13.0"
+  }
+}