feat(console-ui): show component host capabilities

- consume structured capability metadata from service responses
- add a stable-width Host Capability column to the full service table
- preserve compact overview density and horizontal overflow on narrow screens
- cover API typing and capability rendering wiring in SSR source tests

console/tests/rendered-html.test.mjs

@@ -97,7 +97,10 @@ test("uses TanStack Start routing and produces Node artifacts", async () => {
   assert.match(rootRoute, /<Scripts \/>/);
   assert.match(indexRoute, /createFileRoute\("\/"\)/);
   assert.match(indexRoute, /切换对外版本/);
+  assert.match(indexRoute, /Host 能力/);
+  assert.match(indexRoute, /service\.capabilities/);
   assert.match(apiClient, /\/api\/v1\/deployments/);
+  assert.match(apiClient, /capabilities: BackendCapability\[\]/);
   assert.match(router, /createRouter/);
   assert.match(packageJson, /"@tanstack\/react-start"/);
   assert.match(packageJson, /"srvx"/);