fix

backend/src/core/database.py

@@ -294,6 +294,62 @@ def _ensure_git_server_configs_columns(bind_engine):
 # [/DEF:_ensure_git_server_configs_columns:Function]
 
 
+# [DEF:_ensure_auth_users_columns:Function]
+# @COMPLEXITY: 3
+# @PURPOSE: Applies additive schema upgrades for auth users table.
+# @PRE: bind_engine points to authentication database.
+# @POST: Missing columns are added without data loss.
+def _ensure_auth_users_columns(bind_engine):
+    with belief_scope("_ensure_auth_users_columns"):
+        table_name = "users"
+        inspector = inspect(bind_engine)
+        if table_name not in inspector.get_table_names():
+            return
+
+        existing_columns = {
+            str(column.get("name") or "").strip()
+            for column in inspector.get_columns(table_name)
+        }
+
+        alter_statements = []
+        if "full_name" not in existing_columns:
+            alter_statements.append(
+                "ALTER TABLE users ADD COLUMN full_name VARCHAR"
+            )
+        if "is_ad_user" not in existing_columns:
+            alter_statements.append(
+                "ALTER TABLE users ADD COLUMN is_ad_user BOOLEAN NOT NULL DEFAULT FALSE"
+            )
+
+        if not alter_statements:
+            logger.reason(
+                "Auth users schema already up to date",
+                extra={"table": table_name, "columns": sorted(existing_columns)},
+            )
+            return
+
+        logger.reason(
+            "Applying additive auth users schema migration",
+            extra={"table": table_name, "statements": alter_statements},
+        )
+
+        try:
+            with bind_engine.begin() as connection:
+                for statement in alter_statements:
+                    connection.execute(text(statement))
+            logger.reason(
+                "Auth users schema migration completed",
+                extra={"table": table_name, "added_columns": [stmt.split(" ADD COLUMN ", 1)[1].split()[0] for stmt in alter_statements]},
+            )
+        except Exception as migration_error:
+            logger.warning(
+                "[database][EXPLORE] Auth users additive migration failed: %s",
+                migration_error,
+            )
+            raise
+# [/DEF:_ensure_auth_users_columns:Function]
+
+
 # [DEF:ensure_connection_configs_table:Function]
 # @COMPLEXITY: 3
 # @PURPOSE: Ensures the external connection registry table exists in the main database.
@@ -327,6 +383,7 @@ def init_db():
         _ensure_llm_validation_results_columns(engine)
         _ensure_user_dashboard_preferences_health_columns(engine)
         _ensure_git_server_configs_columns(engine)
+        _ensure_auth_users_columns(auth_engine)
         ensure_connection_configs_table(engine)
 # [/DEF:init_db:Function]