chore: fix build dependencies and frontend config

- Bump Docker SDK, downgrade otel deps for Go 1.24 compatibility
- Fix duplicate i18n import in InstanceCard
- Fix SvelteKit prerender/strict config for SPA build
- Update Dockerfile with GOTOOLCHAIN=auto
- Generate package-lock.json and go.sum

WIP: still resolving Go 1.24 vs otel transitive dep versions

.claude/settings.json

@@ -0,0 +1,7 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(npm install:*)"
+    ]
+  }
+}