diff --git a/alembic/versions/h0c1d2e3f4g5_reset_spifox_digitaltwin.py b/alembic/versions/h0c1d2e3f4g5_reset_spifox_digitaltwin.py
new file mode 100644
index 0000000..9bc6251
--- /dev/null
+++ b/alembic/versions/h0c1d2e3f4g5_reset_spifox_digitaltwin.py
@@ -0,0 +1,75 @@
+"""reset spifox data for digital twin import
+
+Revision ID: h0c1d2e3f4g5
+Revises: g9b0c1d2e3f4
+Create Date: 2026-02-10 21:00:00.000000
+
+"""
+
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+revision: str = "h0c1d2e3f4g5"
+down_revision: Union[str, None] = "g9b0c1d2e3f4"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    conn = op.get_bind()
+
+    machine_ids = conn.execute(
+        sa.text("SELECT id FROM machines WHERE tenant_id = 'spifox'")
+    ).fetchall()
+    mid_list = [str(r[0]) for r in machine_ids]
+
+    if not mid_list:
+        return
+
+    part_ids = conn.execute(
+        sa.text("SELECT id FROM equipment_parts WHERE tenant_id = 'spifox'")
+    ).fetchall()
+    pid_list = [str(r[0]) for r in part_ids]
+
+    conn.execute(sa.text("DELETE FROM alarms WHERE tenant_id = 'spifox'"))
+
+    if pid_list:
+        conn.execute(sa.text("DELETE FROM part_counters WHERE tenant_id = 'spifox'"))
+        conn.execute(
+            sa.text(
+                "DELETE FROM part_replacement_logs WHERE equipment_part_id = ANY(:pids)"
+            ),
+            {"pids": pid_list},
+        )
+        conn.execute(
+            sa.text(
+                "UPDATE inspection_template_items SET equipment_part_id = NULL "
+                "WHERE equipment_part_id = ANY(:pids)"
+            ),
+            {"pids": pid_list},
+        )
+
+    conn.execute(
+        sa.text(
+            "DELETE FROM inspection_records WHERE session_id IN "
+            "(SELECT id FROM inspection_sessions WHERE tenant_id = 'spifox')"
+        )
+    )
+    conn.execute(sa.text("DELETE FROM inspection_sessions WHERE tenant_id = 'spifox'"))
+
+    conn.execute(
+        sa.text(
+            "DELETE FROM inspection_template_items WHERE template_id IN "
+            "(SELECT id FROM inspection_templates WHERE tenant_id = 'spifox')"
+        )
+    )
+    conn.execute(sa.text("DELETE FROM inspection_templates WHERE tenant_id = 'spifox'"))
+
+    conn.execute(sa.text("DELETE FROM equipment_parts WHERE tenant_id = 'spifox'"))
+    conn.execute(sa.text("DELETE FROM machines WHERE tenant_id = 'spifox'"))
+
+
+def downgrade() -> None:
+    pass