fix: Performance + Hazard-Tabelle Layout

- Uebersicht: Nur noch 2 leichte API-Calls statt 4 (risk-summary statt alle Hazards/Mitigations laden)
- RiskAssessmentTable: Gefaehrdungs-Spalte min-w-[250px] statt max-w-[200px], kein truncate mehr

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

admin-compliance/app/sdk/iace/[projectId]/page.tsx

@@ -122,19 +122,19 @@ export default function ProjectOverviewPage() {
 
   async function fetchProject() {
     try {
-      // Fetch project detail + live risk summary + mitigations count in parallel
-      const [projRes, riskRes, mitRes, hazRes] = await Promise.all([
+      // Only fetch project detail + lightweight risk summary (NO heavy lists)
+      const [projRes, riskRes] = await Promise.all([
         fetch(`/api/sdk/v1/iace/projects/${projectId}`),
         fetch(`/api/sdk/v1/iace/projects/${projectId}/risk-summary`),
-        fetch(`/api/sdk/v1/iace/projects/${projectId}/mitigations`),
-        fetch(`/api/sdk/v1/iace/projects/${projectId}/hazards`),
       ])
 
       if (!projRes.ok) return
       const json = await projRes.json()
 
-      // Live risk summary from dedicated endpoint
+      // Live risk summary from dedicated endpoint (lightweight — just counts)
       let rs = json.risk_summary || {}
+      let hazCount = 0
+      let mitCount = 0
       if (riskRes.ok) {
         const riskJson = await riskRes.json()
         const live = riskJson.risk_summary || riskJson || {}
@@ -146,18 +146,8 @@ export default function ProjectOverviewPage() {
           negligible: live.negligible || 0,
           total: live.total_hazards || live.total || 0,
         }
-      }
-
-      // Live counts
-      let mitCount = 0
-      if (mitRes.ok) {
-        const mitJson = await mitRes.json()
-        mitCount = mitJson.total || (mitJson.mitigations || []).length || 0
-      }
-      let hazCount = 0
-      if (hazRes.ok) {
-        const hazJson = await hazRes.json()
-        hazCount = hazJson.total || (hazJson.hazards || []).length || 0
+        hazCount = live.total_hazards || live.total || 0
+        mitCount = live.total_mitigations || 0
       }
 
       // Calculate dynamic completeness percentage