fix(iace): lifecycle labels in benchmark + store all phases

- Store ALL applicable lifecycles (comma-separated) not just first
- Frontend maps internal keys to German labels (normal_operation ->
  Automatikbetrieb, maintenance -> Wartung, etc.)
- Show Betroffene Personen in engine detail column

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ai-compliance-sdk/internal/api/handlers/iace_handler_init.go

@@ -3,6 +3,7 @@ package handlers
 import (
 	"fmt"
 	"net/http"
+	"strings"
 
 	"github.com/breakpilot/ai-compliance-sdk/internal/iace"
 	"github.com/gin-gonic/gin"
@@ -204,11 +205,8 @@ func (h *IACEHandler) InitializeProject(c *gin.Context) {
 					}
 				}
 
-				// Join applicable lifecycles for the LifecyclePhase field
-				lifecycleStr := ""
-				if len(mp.ApplicableLifecycles) > 0 {
-					lifecycleStr = mp.ApplicableLifecycles[0]
-				}
+				// Join all applicable lifecycles as comma-separated string
+				lifecycleStr := strings.Join(mp.ApplicableLifecycles, ",")
 
 				hz, cerr := h.store.CreateHazard(ctx, iace.CreateHazardRequest{
 					ProjectID:      projectID,