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- remove the superseded root TanStack Start application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/.oxlintrc.json

@@ -0,0 +1,12 @@
+{
+  "plugins": ["typescript"],
+  "categories": {
+    "correctness": "error",
+    "suspicious": "warn"
+  },
+  "rules": {
+    "typescript/no-explicit-any": "error",
+    "no-console": "warn"
+  },
+  "ignorePatterns": ["dist/**", "node_modules/**"]
+}