Add Phase 13 internal accounting model

app/modules/accounting/bank_ui.py

@@ -9,7 +9,7 @@ from app.core.db.common import CommonSessionLocal
 from app.core.security.csrf import get_or_create_csrf_token, validate_csrf
 from app.core.templating import templates
 from app.modules.accounting.bank_service import (
-    ai_assist_transaction, confirm_review, import_completed_job, preflight_choices, queue_post, queue_preflight,
+    ai_assist_transaction, confirm_review, import_completed_job, internal_model_predict_transaction, preflight_choices, queue_post, queue_preflight,
     queue_rows, sync_posting, visible_workstations,
 )
 from app.modules.accounting.ledger_learning_service import active_natures
@@ -155,3 +155,37 @@ def ai_assist(
         return _go(client_id, error=str(exc))
     finally:
         db.close()
+
+
+@router.post("/{tx_id}/internal-predict")
+def internal_predict(
+    request: Request,
+    tx_id: int,
+    client_id: int = Form(...),
+    csrf_token: str = Form(...),
+):
+    validate_csrf(request, csrf_token)
+    db = CommonSessionLocal()
+    try:
+        user, denied = _require_partner(request, db, "accounting.learning.manage")
+        if denied:
+            return denied
+        client, _, scope = _find_visible_client(db, request, user, client_id)
+        if not client:
+            return _go(error="Client is not visible.")
+        prediction = internal_model_predict_transaction(
+            db,
+            tx_id=tx_id,
+            tenant_id=scope.tenant_id,
+            client_id=client.id,
+            force_shadow=True,
+        )
+        return _go(
+            client.id,
+            message=f"Internal model shadow prediction recorded at {prediction.predicted_probability * 100:.1f}%.",
+        )
+    except Exception as exc:
+        db.rollback()
+        return _go(client_id, error=str(exc))
+    finally:
+        db.close()