Lowered minimum Python version to 3.12 and added CI matrix for testing 3.12/3.13/3.14.

owlbot/builtin_modules/custom_commands/handler.py

@@ -14,6 +14,8 @@
 
 """Shared custom command handler and database/registry helpers."""
 
+from __future__ import annotations
+
 from datetime import UTC, datetime
 from typing import TYPE_CHECKING
 

owlbot/builtin_modules/custom_commands/management_commands.py

@@ -14,6 +14,8 @@
 
 """Management commands for custom commands (add, edit, delete, etc.)."""
 
+from __future__ import annotations
+
 from datetime import UTC, datetime
 from typing import TYPE_CHECKING
 

owlbot/builtin_modules/custom_commands/placeholder_handlers.py

@@ -21,6 +21,8 @@ arguments; the engine immediately stops processing and returns ``str(e)`` as
 the entire response, discarding any other template content.
 """
 
+from __future__ import annotations
+
 import random
 import re
 from collections.abc import Awaitable, Callable

owlbot/builtin_modules/custom_commands/placeholders.py

@@ -40,6 +40,8 @@ Example AST::
                                         PlaceholderNode("2", [])])]
 """
 
+from __future__ import annotations
+
 from dataclasses import dataclass
 from typing import TYPE_CHECKING