Complete training workflow and acceptance hardening

backend/app/db/migrations/versions/a8b5c2d9e1f4_student_scenario_submissions.py

@@ -0,0 +1,55 @@
+"""student-authored scenario proposals with instructor moderation
+
+Revision ID: a8b5c2d9e1f4
+Revises: f7a3c9d1e2b4
+Create Date: 2026-09-24
+"""
+
+import sqlalchemy as sa
+from alembic import op
+
+revision = "a8b5c2d9e1f4"
+down_revision = "f7a3c9d1e2b4"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "scenario_submissions",
+        sa.Column("id", sa.Uuid(), nullable=False),
+        sa.Column("author_trainee_id", sa.Uuid(), nullable=False),
+        sa.Column("group_id", sa.Uuid(), nullable=True),
+        sa.Column("title", sa.String(length=200), nullable=False),
+        sa.Column("incident_type", sa.String(length=20), nullable=False),
+        sa.Column("level", sa.String(length=4), nullable=False),
+        sa.Column("description", sa.Text(), nullable=False),
+        sa.Column("address", sa.String(length=500), server_default="", nullable=False),
+        sa.Column("victims", sa.Integer(), nullable=True),
+        sa.Column("status", sa.String(length=16), server_default="pending", nullable=False),
+        sa.Column("review_comment", sa.Text(), server_default="", nullable=False),
+        sa.Column("reviewed_by", sa.String(length=80), nullable=True),
+        sa.Column("scenario_id", sa.String(length=80), nullable=True),
+        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
+        sa.Column("reviewed_at", sa.DateTime(timezone=True), nullable=True),
+        sa.ForeignKeyConstraint(["author_trainee_id"], ["trainees.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["group_id"], ["groups.id"], ondelete="SET NULL"),
+        sa.ForeignKeyConstraint(["scenario_id"], ["scenarios.id"], ondelete="SET NULL"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_index(
+        "ix_scenario_submissions_group_status",
+        "scenario_submissions",
+        ["group_id", "status", "created_at"],
+    )
+    op.create_index(
+        "ix_scenario_submissions_author",
+        "scenario_submissions",
+        ["author_trainee_id", "created_at"],
+    )
+
+
+def downgrade() -> None:
+    op.drop_index("ix_scenario_submissions_author", table_name="scenario_submissions")
+    op.drop_index("ix_scenario_submissions_group_status", table_name="scenario_submissions")
+    op.drop_table("scenario_submissions")