feat(ai): add PixelRAG marketplace embedding signature guard replay

routes/system_public_routes.py

@@ -1090,6 +1090,43 @@ def ai_automation_pixelrag_marketplace_promotion_gate_replay_api():
     ))
 
 
+@system_public_bp.route('/api/ai-automation/pixelrag-marketplace-embedding-signature-guard-replay')
+@login_required
+def ai_automation_pixelrag_marketplace_embedding_signature_guard_replay_api():
+    """Controlled PixelRAG marketplace embedding signature guard readback."""
+    from services.pixelrag_marketplace_embedding_signature_guard_replay_service import (
+        run_pixelrag_marketplace_embedding_signature_guard_replay,
+    )
+
+    platforms = tuple(
+        str(item or '').strip()
+        for item in request.args.getlist('platform')
+        if str(item or '').strip()
+    )
+    execute = str(request.args.get('execute') or '').strip().lower() in {
+        '1',
+        'true',
+        'yes',
+    }
+    write_receipt = str(request.args.get('write_receipt') or '').strip().lower() in {
+        '1',
+        'true',
+        'yes',
+    }
+    max_age_hours = request.args.get('max_age_hours', 168, type=int)
+    limit = request.args.get('limit', 25, type=int)
+    return jsonify(run_pixelrag_marketplace_embedding_signature_guard_replay(
+        promotion_gate_receipt_root=str(
+            request.args.get('promotion_gate_receipt_root') or ''
+        ).strip() or None,
+        platform=platforms,
+        max_age_hours=max(1, min(max_age_hours or 168, 720)),
+        limit=max(1, min(limit or 25, 250)),
+        execute=execute,
+        write_receipt=bool(execute and write_receipt),
+    ))
+
+
 @system_public_bp.route('/api/ai-automation/external-mcp-rag-integration')
 @login_required
 def ai_automation_external_mcp_rag_integration_api():