fix: migration 0019 - use sa.text() with bindparams to avoid SQLAlchemy interpreting JSON colons as bind parameters

alembic/versions/0019_rbac_groups.py

@@ -67,29 +67,35 @@ def upgrade() -> None:
 
     # ── Seed default roles per tenant ──
     # For each tenant, create admin/editor/viewer role records if they don't exist
-    op.execute("""
+    # Use sa.text() with bindparams to avoid SQLAlchemy interpreting :read/:write as bind params
+    for role_name, perms_json in [
+        ("admin", '{"*:*": true}'),
+        ("editor", '{"core:*:read": true, "core:*:write": true, "core:*:create": true}'),
+        ("viewer", '{"core:*:read": true}'),
+    ]:
+        op.execute(
+            sa.text("""
                 INSERT INTO roles (id, tenant_id, name, permissions, denied_permissions, field_permissions, permission_version, created_at, updated_at)
                 SELECT
                     gen_random_uuid(),
                     t.id,
-            r.role_name,
-            r.permissions::jsonb,
+                    :role_name,
+                    :perms::jsonb,
                     '[]'::jsonb,
                     '{}'::jsonb,
                     1,
                     now(),
                     now()
                 FROM tenants t
-        CROSS JOIN (VALUES
-            ('admin', '{"*:*": true}'::json),
-            ('editor', '{"core:*:read": true, "core:*:write": true, "core:*:create": true}'::json),
-            ('viewer', '{"core:*:read": true}'::json)
-        ) AS r(role_name, permissions)
                 WHERE NOT EXISTS (
                     SELECT 1 FROM roles ro
-            WHERE ro.tenant_id = t.id AND ro.name = r.role_name
+                    WHERE ro.tenant_id = t.id AND ro.name = :role_name
+                )
+            """).bindparams(
+                sa.bindparam("role_name", value=role_name),
+                sa.bindparam("perms", value=perms_json),
+            )
         )
-    """)
 
     # ── Migrate existing user.role_id to user_tenants.role_id ──
     # For each user_tenants row, set role_id from users table if the user has one