fix(ai): surface combined PixelRAG replay actions

tests/test_pixelrag_rag_candidate_replay_service.py

@@ -210,6 +210,40 @@ def test_pixelrag_rag_candidate_replay_prefers_worker_source_contract_handoff(tm
     )
 
 
+def test_pixelrag_rag_candidate_replay_combines_ready_and_source_contract_actions(tmp_path):
+    from services.pixelrag_rag_candidate_replay_service import (
+        build_pixelrag_rag_candidate_replay_readback,
+    )
+
+    visual_root = tmp_path / "visual"
+    worker_root = tmp_path / "worker"
+    _write_receipt(
+        visual_root,
+        platform="shopee_tw",
+        manifest_id="shopee-ok",
+        title="Shopee 防曬乳",
+        url="https://shopee.tw/search?keyword=sunscreen",
+    )
+    _write_platform_probe_worker_receipt(
+        worker_root,
+        platform="coupang_tw",
+        manifest_id="coupang-403",
+        barrier_type="access_denied",
+    )
+
+    payload = build_pixelrag_rag_candidate_replay_readback(
+        artifact_root=visual_root,
+        platform_probe_worker_receipt_root=worker_root,
+        platform=("shopee_tw", "coupang_tw"),
+    )
+
+    assert payload["summary"]["eligible_count"] == 1
+    assert payload["summary"]["source_contract_fallback_count"] == 1
+    assert payload["next_machine_action"] == (
+        "run_ocr_vlm_replay_and_source_contract_replay"
+    )
+
+
 def test_pixelrag_rag_candidate_replay_cli_outputs_machine_readable_json(tmp_path):
     _write_receipt(
         tmp_path,