fix(ai): classify empty PixelRAG VLM offers as platform barriers

docs/AI_INTELLIGENCE_MODULE_SOT.md

@@ -885,6 +885,7 @@ POSTGRES_HOST=momo-db
 | 2026-07-10 | PixelRAG VLM execute preflight 必須驗證 generate route | V10.753 起 `/api/ai-automation/pixelrag-vlm-route-readiness?probe_generate=true` 與 `scripts/ops/report_pixelrag_vlm_route_readiness.py --probe-generate` 可對已安裝候選模型執行極小 `/api/generate` preflight；smoke 預設仍不呼叫模型。`run_pixelrag_vlm_replay_worker.py --execute` 預設先執行 generate preflight，若 GCP-A direct / 110 proxy timeout、GCP-B candidate 雖安裝但 generate 不健康，worker 必須在送入 screenshot tiles 前寫 `model_route_not_ready` artifact receipt，輸出 `tag_model_route_ready`、`generate_route_ready`、`route_model_call_performed` 與 `tile_model_call_performed=false`，下一步固定為 `repair_ollama_vlm_generate_runtime_or_proxy_timeout`；不得把 tags 可見誤當 VLM 可執行。 |
 | 2026-07-10 | PixelRAG VLM tile generate 必須綁定 preflight 選出的 host / exact model | V10.754 起 `run_pixelrag_vlm_replay_worker.py --execute` 若 route readiness 已輸出 `candidate_host`，tile VLM generate 必須使用該 approved host 與 exact `candidate_model` 直呼 `/api/generate`，不得重新進入全域 Ollama resolver、不得因 111 fallback 規則把 VLM 模型降級成文字模型、不得再出現 preflight 選 111 但 tile generate tried GCP-B/GCP-A/111 的 route drift。receipt 必須輸出 `route_candidate_host`，模型錯誤時下一步為 `repair_ollama_vlm_generate_runtime_or_proxy_timeout`，仍然不寫 DB、不寫正式價格表。 |
 | 2026-07-10 | PixelRAG VLM no-probe 監控不得把 unknown 顯示成 failed | V10.755 起 smoke / scheduled-health 的 `pixelrag_vlm_route_readiness.details.generate_route_ready` 在 `generate_probe_performed=false` 時必須保留為 `null`，表示尚未做 `/api/generate` preflight；不得把未探測狀態轉成 `false`，避免 UI 或監控把 tags-only readiness 誤讀為 generate failure。 |
+| 2026-07-10 | PixelRAG VLM 空欄位與 Shopee language interstitial 必須自動轉 platform probe | V10.756 起 VLM prompt 明確把 language / region / app-download / landing / loading / logo-only / cookie consent pages 視為非商品卡；若 VLM 回傳所有 offer fields 皆空且 required title / price 缺失，worker 會標記 `non_product_or_interstitial_detected=true`，receipt 下一步改為 `run_platform_probe_or_use_structured_api`，不得反覆要求人工審核或無限 rerun VLM。 |
 | 2026-06-29 | PChome DB apply 授權 lane 必須先通過 no-write guard / decision preflight / decision closeout / issuer gate / signing-decision preflight / signing-decision closeout / signing-issuer guard | V10.725 的 PChome mapping backlog auto-policy 已新增 `/api/ai/pchome-growth/mapping-backlog/auto-policy-db-apply-authorization-lane-guard`、`/api/ai/pchome-growth/mapping-backlog/auto-policy-db-apply-authorization-decision-preflight`、`/api/ai/pchome-growth/mapping-backlog/auto-policy-db-apply-authorization-decision-closeout`、`/api/ai/pchome-growth/mapping-backlog/auto-policy-db-apply-authorization-issuer-gate`、`/api/ai/pchome-growth/mapping-backlog/auto-policy-db-apply-authorization-signing-decision-preflight`、`/api/ai/pchome-growth/mapping-backlog/auto-policy-db-apply-authorization-signing-decision-closeout` 與 `/api/ai/pchome-growth/mapping-backlog/auto-policy-db-apply-authorization-signing-issuer-guard`；這些 endpoint 只驗證 final exact request package、same-run production truth requirement、secret rejection、rollback boundary、lane entry requirements、decision input requirements、rejection policy、post-apply verifier、future authorization decision package、final nonsecret authorization envelope、signing decision preflight inputs、unsigned signing decision package 與 signable request boundary，不讀 secret、不執行 shell/SQL、不寫 DB，也不簽發 database apply authorization。 |
 | 2026-06-29 | PChome DB apply 授權簽署發行者 lane 必須先產出 final signable request package | V10.725 的 PChome mapping backlog auto-policy 新增 `/api/ai/pchome-growth/mapping-backlog/auto-policy-db-apply-authorization-signing-issuer-closeout`；此 endpoint 只把 signing-issuer guard 的 signable request boundary 收斂成 final signable request package 與 closeout contract，確認 fresh production truth、post-apply verifier、migration hash、secret boundary 與 no-side-effect checks，不讀 secret、不簽發 authorization、不執行 shell/SQL、不寫 DB，也不代表正式 DB apply 已授權。 |
 | 2026-06-29 | PChome DB apply 授權簽署執行 lane 必須先通過 operator-held secret boundary preflight | V10.725 的 PChome mapping backlog auto-policy 新增 `/api/ai/pchome-growth/mapping-backlog/auto-policy-db-apply-authorization-signing-execution-preflight`；此 endpoint 只把 final signable request package 轉成 future signing execution preflight package、operator-held secret boundary contract、nonsecret signing inputs、command-shape preview、rollback boundary 與 abort conditions，不讀 secret、不接受 plaintext secret、不簽發 authorization、不執行 shell/SQL、不寫 DB，也不代表正式 DB apply 已授權。 |