fix: type checking errors in tools directory

[ezyang]

Stack from ghstack (oldest at bottom):

• feat: implement slash commands #225
• feat: strip trailing whitespace in EditFile and WriteFile tools #224
• feat: support tilde expansion in path #223
• fix: typecheck and fix errors #221
• chore: analyze pyright ignores in codebase #220
• fix: typecheck and fix errors #219
• fix: type checking and error fixes #218
• -> fix: type checking errors in tools directory #217
• typecheck: Add type annotations to codemcp/testing.py #216

Typecheck and fix all errors in codemcp/tools/

79b88dc  (Base revision)
950c78a  Add AsyncAbortSignal protocol for type checking
2bf74a9  Import AsyncAbortSignal in chmod.py
fc9a1a3  Add AsyncAbortSignal type annotation to chmod function
21d64ee  Ensure chat_id is not None when calling commit_changes
b472620  Import AsyncAbortSignal in git_blame.py
9350d33  Add AsyncAbortSignal type annotation to git_blame function
e712304  Remove codemcp/signal_types.py: Remove unnecessary signal_types.py
dff8f2a  Remove unnecessary AsyncAbortSignal import in chmod.py
86c5519  Change signal parameter type to Any in chmod.py
21c0a41  Remove unnecessary AsyncAbortSignal import in git_blame.py
af0ea51  Change signal parameter type to Any in git_blame.py
a7aa14f  Add proper type annotation for signal parameter in git_diff.py
21ddade  Add proper type annotation for signal parameter in git_log.py
beb86ab  Remove unused signal parameter from git_show.py
5862d82  Remove unused signal parameter from git_blame.py
9e37110  Remove unused signal parameter from git_diff.py
6d3d32a  Remove unused signal parameter from git_log.py
38d525f  Remove unused signal parameter from chmod.py
f11bd7a  Remove signal parameter from chmod.py docstring
758b714  Remove signal parameter from git_blame.py docstring
9580448  Remove signal parameter from git_diff.py docstring
5185135  Remove signal parameter from git_log.py docstring
d07756a  Remove signal parameter from git_show.py docstring
56af8e6  Remove unused signal parameter from glob.py
d0c0a3e  Remove signal parameter from glob.py docstring
acc9507  Remove unused signal parameter from glob_files function
be65e0e  Remove signal parameter from glob_files docstring
a08963b  Remove unused signal parameter from git_grep function
f98cc86  Remove signal parameter from git_grep docstring
793a395  Remove unused signal parameter from grep_files function
d80863a  Remove signal parameter from grep_files docstring
1286918  Update git_grep call to remove signal parameter
17d29cf  Fix split() in grep.py to correctly split string
7be44fd  Initialize best_match_i to fix possible unbound variable error
38320cd  Initialize best_match with empty list to avoid None checks
def9944  Add check for empty search_lines or content_lines
a08d108  Add proper type annotation for dict in apply_edit return type
5232434  Add Any to imports in edit_file.py
a3a5f83  Fix zip function call in try_dotdotdots to handle type checking correctly
35fd1cf  Fix default value for chat_id to use empty string instead of None
28acdaa  Fix default value for chat_id to use empty string instead of None
c351e11  Fix default value for chat_id to use empty string instead of None
8739877  Add required type imports in init_project.py
3006ef7  Add proper type annotation for command_docs parameter
3b1f3fa  Fix description parameter type in _generate_chat_id function
f6ef39c  Fix unused variables in init_project.py by using _ to discard returned values
1096afc  Remove unused Optional import
56b2265  Remove unused Any import
614362e  Fix unused variable 'patch' in edit_file.py by using _ to discard returned value
8f27a3d  Fix glob function call to remove signal parameter
09a56ce  Handle None case for command_list in run_command.py
HEAD     Update run_code_command call to use actual_command

codemcp-id: 227-fix-type-checking-errors-in-tools-directory