Fix type annotation: use Callable instead of callable

Author: claude

src/deepwork/hooks/wrapper.py

@@ -39,6 +39,7 @@ def my_hook(input_data: HookInput) -> HookOutput:
 
 import json
 import sys
+from collections.abc import Callable
 from dataclasses import dataclass, field
 from enum import Enum
 from typing import Any
@@ -178,7 +179,7 @@ class HookInput:
     raw_input: dict[str, Any] = field(default_factory=dict)
 
     @classmethod
-    def from_dict(cls, data: dict[str, Any], platform: Platform) -> "HookInput":
+    def from_dict(cls, data: dict[str, Any], platform: Platform) -> HookInput:
         """Create HookInput from raw platform-specific input."""
         # Get event name and normalize
         raw_event = data.get("hook_event_name", "")
@@ -317,7 +318,7 @@ def write_stdout(data: str) -> None:
 
 
 def run_hook(
-    hook_fn: callable,
+    hook_fn: Callable[[HookInput], HookOutput],
     platform: Platform,
 ) -> int:
     """