refactor(developer-portal): split iace, docs, byoeh pages

Extract each page into colocated _components/ sections to bring
page.tsx files from 1008/891/769 LOC down to 57/23/21 LOC,
well within the 500-line hard cap.

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

developer-portal/app/api/iace/_components/MitigationsSection.tsx

@@ -0,0 +1,93 @@
+'use client'
+
+import { ApiEndpoint, CodeBlock, ParameterTable } from '@/components/DevPortalLayout'
+
+export function MitigationsSection() {
+  return (
+    <>
+      <h2>Mitigations</h2>
+      <p>
+        Massnahmenverwaltung nach der 3-Stufen-Hierarchie gemaess ISO 12100:
+      </p>
+      <ol>
+        <li><strong>Design</strong> — Inherent Safe Design (Gefahrenbeseitigung durch Konstruktion)</li>
+        <li><strong>Protective</strong> — Schutzeinrichtungen und technische Schutzmassnahmen</li>
+        <li><strong>Information</strong> — Benutzerinformation (Warnhinweise, Anleitungen, Schulungen)</li>
+      </ol>
+
+      <ApiEndpoint method="POST" path="/sdk/v1/iace/projects/:id/hazards/:hid/mitigations" description="Massnahme erstellen (3-Stufen-Hierarchie: design, protective, information)" />
+
+      <h3>Request Body</h3>
+      <ParameterTable
+        parameters={[
+          { name: 'title', type: 'string', required: true, description: 'Titel der Massnahme' },
+          { name: 'description', type: 'string', required: true, description: 'Beschreibung der Massnahme' },
+          { name: 'hierarchy_level', type: 'string', required: true, description: '"design" | "protective" | "information"' },
+          { name: 'responsible', type: 'string', required: false, description: 'Verantwortliche Person oder Rolle' },
+          { name: 'deadline', type: 'string (ISO 8601)', required: false, description: 'Umsetzungsfrist' },
+        ]}
+      />
+
+      <CodeBlock language="bash" filename="cURL">
+{`curl -X POST "https://api.breakpilot.io/sdk/v1/iace/projects/proj_a1b2c3d4/hazards/haz_5678/mitigations" \\
+  -H "Authorization: Bearer YOUR_API_KEY" \\
+  -H "Content-Type: application/json" \\
+  -d '{
+    "title": "Schutzgitter mit Sicherheitsschalter",
+    "description": "Installation eines trennenden Schutzgitters mit Verriegelung nach ISO 14120",
+    "hierarchy_level": "protective",
+    "responsible": "Sicherheitsingenieur",
+    "deadline": "2026-04-30T00:00:00Z"
+  }'`}
+      </CodeBlock>
+
+      <h3>Response (201 Created)</h3>
+      <CodeBlock language="json" filename="Response">
+{`{
+  "success": true,
+  "data": {
+    "id": "mit_abcd1234",
+    "hazard_id": "haz_5678",
+    "title": "Schutzgitter mit Sicherheitsschalter",
+    "hierarchy_level": "protective",
+    "status": "planned",
+    "verified": false,
+    "created_at": "2026-03-16T11:00:00Z"
+  }
+}`}
+      </CodeBlock>
+
+      <ApiEndpoint method="PUT" path="/sdk/v1/iace/mitigations/:mid" description="Massnahme aktualisieren" />
+      <ApiEndpoint method="POST" path="/sdk/v1/iace/mitigations/:mid/verify" description="Massnahme als verifiziert markieren" />
+      <ApiEndpoint method="POST" path="/sdk/v1/iace/projects/:id/validate-mitigation-hierarchy" description="3-Stufen-Hierarchie validieren" />
+
+      <CodeBlock language="bash" filename="cURL">
+{`curl -X POST "https://api.breakpilot.io/sdk/v1/iace/projects/proj_a1b2c3d4/validate-mitigation-hierarchy" \\
+  -H "Authorization: Bearer YOUR_API_KEY"`}
+      </CodeBlock>
+
+      <h3>Response (200 OK)</h3>
+      <CodeBlock language="json" filename="Response">
+{`{
+  "success": true,
+  "data": {
+    "valid": false,
+    "violations": [
+      {
+        "hazard_id": "haz_5678",
+        "hazard_title": "Quetschgefahr durch Linearantrieb",
+        "issue": "Nur Information-Massnahmen vorhanden. Design- oder Schutzmassnahmen muessen vorrangig angewendet werden.",
+        "missing_levels": ["design", "protective"]
+      }
+    ],
+    "summary": {
+      "total_hazards_with_mitigations": 12,
+      "hierarchy_compliant": 9,
+      "hierarchy_violations": 3
+    }
+  }
+}`}
+      </CodeBlock>
+    </>
+  )
+}