feat: Superpowers-Plugin im Workflow verankern

Deklaration in settings.json statt Vendorn der Skill-Dateien, damit
Upstream-Updates weiter greifen. bootstrap.sh installiert das Plugin auf
neuen Maschinen und aktualisiert es bei jedem Lauf.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

bootstrap.sh

@@ -145,6 +145,19 @@ echo ""
 echo "=== Claude-Code-Integrationen ==="
 
 if command -v claude &>/dev/null; then
+    if claude plugin list 2>/dev/null | grep -q "superpowers@superpowers-marketplace"; then
+        claude plugin marketplace update superpowers-marketplace &>/dev/null || true
+        claude plugin update superpowers@superpowers-marketplace &>/dev/null || true
+        echo "  OK  superpowers Plugin (aktualisiert)"
+    else
+        claude plugin marketplace add obra/superpowers-marketplace &>/dev/null || true
+        if claude plugin install superpowers@superpowers-marketplace &>/dev/null; then
+            echo "  OK  superpowers Plugin installiert"
+        else
+            echo "  FEHLT  superpowers Plugin -- claude plugin install superpowers@superpowers-marketplace"
+        fi
+    fi
+
     if claude mcp list 2>/dev/null | grep -q "context7"; then
         echo "  OK  context7 Plugin"
     else

dotfiles/settings.json

@@ -117,7 +117,16 @@
     "context7@claude-plugins-official": true,
     "code-review@claude-plugins-official": true,
     "code-simplifier@claude-plugins-official": true,
-    "skill-creator@claude-plugins-official": true
+    "skill-creator@claude-plugins-official": true,
+    "superpowers@superpowers-marketplace": true
+  },
+  "extraKnownMarketplaces": {
+    "superpowers-marketplace": {
+      "source": {
+        "source": "github",
+        "repo": "obra/superpowers-marketplace"
+      }
+    }
   },
   "language": "German",
   "tui": "fullscreen",