feat(v2): 实现SQLite对公租赁经验加工与卡片预审轨迹闭环

backend/services/prescreen_sandbox.py

@@ -112,13 +112,19 @@ def _view(snapshot_id: str, key: str, as_of: str | None = None) -> ProbabilityVi
                        "scenario_key": key, "label": DEMO_LABEL})
 
 
+def _target(key, dimension_ids):
+    aliases = {'assume_bank_flow': ('DC-CASH', 'corporate.cashflow'),
+               'assume_title': ('DC-TITLE', 'corporate.title')}
+    return next((name for name in aliases[key] if name in set(dimension_ids)), None)
+
+
 def _assumptions_for(keys, dimension_ids) -> list[SimulationAssumption]:
     known = set(dimension_ids)
     chosen: list[SimulationAssumption] = []
     for key in ASSUMPTIONS:
         if key not in set(keys or ()):
             continue
-        item = ASSUMPTIONS[key]
+        item = dict(ASSUMPTIONS[key], dimension_id=_target(key, known) or ASSUMPTIONS[key]["dimension_id"])
         if item["dimension_id"] not in known:
             raise AssumptionConflict(
                 f"假设动作 {key} 指向本次方案不存在的维度 {item['dimension_id']}")
@@ -165,9 +171,9 @@ def available_assumptions(run_view: dict) -> list[dict]:
     服务端也不靠"忽略无效动作"来掩饰不匹配（E-22）。
     """
     known = {item["id"] for item in run_view.get("dimension_results") or ()}
-    return [{"key": key, "label": item["label"], "dimension_id": item["dimension_id"],
+    return [{"key": key, "label": item["label"], "dimension_id": _target(key, known),
              "assumed_stage": item["assumed_stage"], "premise": item["premise"]}
-            for key, item in ASSUMPTIONS.items() if item["dimension_id"] in known]
+            for key, item in ASSUMPTIONS.items() if _target(key, known)]
 
 
 def _baseline_view(run_view: dict) -> ProbabilityView: