diff --git a/api/alembic/versions/0050_form4_transfer_econ_calc.py b/api/alembic/versions/0055_form4_transfer_econ_calc.py
similarity index 58%
rename from api/alembic/versions/0050_form4_transfer_econ_calc.py
rename to api/alembic/versions/0055_form4_transfer_econ_calc.py
index 6ce72dd..78d6c44 100644
--- a/api/alembic/versions/0050_form4_transfer_econ_calc.py
+++ b/api/alembic/versions/0055_form4_transfer_econ_calc.py
@@ -1,14 +1,14 @@
 from sql_migration import run_sql_file_migration
 
 
-revision = "0050"
-down_revision = "0049"
+revision = "0055"
+down_revision = "0054"
 branch_labels = None
 depends_on = None
 
 
 def upgrade() -> None:
-    run_sql_file_migration("0050_form4_transfer_econ_calc.sql")
+    run_sql_file_migration("0055_form4_transfer_econ_calc.sql")
 
 
 def downgrade() -> None:
diff --git a/api/alembic/versions/sql/0050_form4_transfer_econ_calc.sql b/api/alembic/versions/sql/0055_form4_transfer_econ_calc.sql
similarity index 99%
rename from api/alembic/versions/sql/0050_form4_transfer_econ_calc.sql
rename to api/alembic/versions/sql/0055_form4_transfer_econ_calc.sql
index 73e2b20..f4132f3 100644
--- a/api/alembic/versions/sql/0050_form4_transfer_econ_calc.sql
+++ b/api/alembic/versions/sql/0055_form4_transfer_econ_calc.sql
@@ -11,6 +11,9 @@
 --    Буквальный Excel-перенос (ещё и минус transfer_q2 для Q1 / transfer_q3 для Q2)
 --    задваивал бы вычитание — residual_after_actual_QN уже его учитывает.
 --
+-- 0055: пересобрано поверх 0050_form2_ahr_spod_column (AURORA-1906): тело _apply_form_cell = актуальное
+--       на test + только дельта AURORA-1938 (v_form4_sheet_sections на test после 0033 не менялась).
+--
 -- 2) v3._apply_form_cell: для FORM_4 q*.transfer_econ больше нельзя писать напрямую —
 --    поле стало вычисляемым, как residual_after_actual.
 
@@ -900,7 +903,7 @@ BEGIN
       ELSE
         RAISE EXCEPTION 'unknown_column: %', p_column;
     END CASE;
-    
+
     IF (v_target_type = 'NUMERIC' OR v_target_type = 'INTEGER') AND p_value = '""'::jsonb THEN
       p_value := '"0"'::jsonb;
     END IF;
@@ -940,7 +943,7 @@ BEGIN
       IF (v_parts[1]='fact_q1' AND v_parts[2] NOT IN ('jan','feb','mar')) OR
          (v_parts[1]='fact_q2' AND v_parts[2] NOT IN ('apr','may','jun')) OR
          (v_parts[1]='fact_q3' AND v_parts[2] NOT IN ('jul','aug','sep')) OR
-         (v_parts[1]='fact_q4' AND v_parts[2] NOT IN ('oct','nov','dec')) THEN
+         (v_parts[1]='fact_q4' AND v_parts[2] NOT IN ('oct','nov','dec','spod')) THEN
         RAISE EXCEPTION 'unknown_column: % (месяц вне квартала)', p_column;
       END IF;
       v_target_col := 'actual_' || v_parts[2];
@@ -949,7 +952,7 @@ BEGIN
       RAISE EXCEPTION 'unknown_column: %', p_column;
     END IF;
 
-    
+
     IF v_target_type = 'NUMERIC' AND p_value = '""'::jsonb THEN
       p_value := '"0"'::jsonb;
     END IF;
@@ -1228,9 +1231,9 @@ BEGIN
 
   ELSIF v_key_kind = 'line_quarter' THEN
     IF v_q IS NULL THEN RAISE EXCEPTION 'internal: quarter not set for %', p_column; END IF;
-    
+
     IF v_target_type = 'DATE' THEN
-    
+
         v_sql := format(
         'INSERT INTO v3.%1$I (line_id, quarter, %2$I) VALUES ($1, $2, to_date($3->>0, ''DD.MM.YYYY'')) '
         || 'ON CONFLICT (line_id, quarter) DO UPDATE SET %2$I = EXCLUDED.%2$I',
@@ -1245,12 +1248,12 @@ BEGIN
         );
     END IF;
 
-    
+
     EXECUTE v_sql USING p_line_id, v_q, p_value;
 
   ELSIF v_key_kind = 'line_actor' THEN
     IF v_actor IS NULL THEN RAISE EXCEPTION 'internal: actor not set for %', p_column; END IF;
-    
+
     IF v_target_type = 'DATE' THEN
         v_sql := format(
         'INSERT INTO v3.%1$I (line_id, actor, %2$I) VALUES ($1, $2, to_date($3->>0, ''DD.MM.YYYY'')) '
diff --git a/api/tests/integration/test_form4_transfer_econ.py b/api/tests/integration/test_form4_transfer_econ.py
index a4a06de..3fcd487 100644
--- a/api/tests/integration/test_form4_transfer_econ.py
+++ b/api/tests/integration/test_form4_transfer_econ.py
@@ -231,3 +231,34 @@ def test_form4_ahr_transfer_econ_cell_is_read_only(client, admin_tokens, auth_he
     payload = response.json()
     assert "message" in payload
     assert "computed_field" in payload["message"] or "transfer_econ" in payload["message"]
+
+
+async def test_apply_form_cell_keeps_aurora_1906_spod_and_aurora_1938_guard():
+    """Регрессия на порядок миграций: 0055 (AURORA-1938) пересобирает
+    v3._apply_form_cell поверх 0050_form2_ahr_spod_column (AURORA-1906), а не
+    поверх старого тела 0023 — иначе CREATE OR REPLACE тихо откатил бы СПОД.
+    Проверяем итоговое определение функции в БД: в нём одновременно есть
+    разрешение fact_q4.spod (1906) и запрет ручной записи transfer_econ (1938)."""
+    from sqlalchemy import text
+    from sqlalchemy.ext.asyncio import create_async_engine
+    from sqlalchemy.pool import NullPool
+
+    from src.core.config import settings
+
+    engine = create_async_engine(settings.DATABASE_URL, poolclass=NullPool)
+    try:
+        async with engine.connect() as conn:
+            definition = (
+                await conn.execute(
+                    text(
+                        "SELECT pg_get_functiondef(p.oid) FROM pg_proc p "
+                        "JOIN pg_namespace n ON n.oid = p.pronamespace "
+                        "WHERE n.nspname = 'v3' AND p.proname = '_apply_form_cell'"
+                    )
+                )
+            ).scalar_one()
+    finally:
+        await engine.dispose()
+
+    assert "'oct','nov','dec','spod'" in definition, "AURORA-1906 (СПОД) откачен"
+    assert "v_field = 'transfer_econ'" in definition, "AURORA-1938 (computed transfer_econ) потерян"