fix: compact device sizing and deploy configuration

Reduce device node height by removing minimum port height and tightening
card gaps. Fix deployment by correcting Angular outputPath for Docker
build context and adding frontend.context to service.yaml.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/angular.json

@@ -38,7 +38,10 @@
         "build": {
           "builder": "@angular-devkit/build-angular:application",
           "options": {
-            "outputPath": "../dist",
+            "outputPath": {
+              "base": "dist",
+              "browser": ""
+            },
             "index": "src/index.html",
             "browser": "src/main.ts",
             "polyfills": [