Complete training workflow and acceptance hardening

backend/app/db/migrations/versions/e4b7c1d2a9f0_manual_grammar_review.py

@@ -0,0 +1,35 @@
+"""require a grammar check after manual scenario edits
+
+Revision ID: e4b7c1d2a9f0
+Revises: d3a9f6b2c8e1
+Create Date: 2026-09-25
+"""
+
+import sqlalchemy as sa
+from alembic import op
+
+revision = "e4b7c1d2a9f0"
+down_revision = "d3a9f6b2c8e1"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.add_column(
+        "scenarios",
+        sa.Column(
+            "manual_edit_pending",
+            sa.Boolean(),
+            nullable=False,
+            server_default=sa.false(),
+        ),
+    )
+    op.add_column(
+        "scenarios",
+        sa.Column("grammar_check_hash", sa.String(length=64), nullable=True),
+    )
+
+
+def downgrade() -> None:
+    op.drop_column("scenarios", "grammar_check_hash")
+    op.drop_column("scenarios", "manual_edit_pending")