fix: fixing type errors in the codebase

[ezyang]

Stack from ghstack (oldest at bottom):

• -> fix: fixing type errors in the codebase #301
• codemcp-id: 301-untitled #300
• test #299
• fix: prevent ruff from pruning tool imports in main.py #298

Run typecheck and fix errors.

182e999  (Base revision)
aac2b84  Snapshot before auto-typecheck
be9b500  Add type annotations to prefix and kwargs parameters
8373725  Add type annotations to signal handler parameters
ba02a0c  Fix import path for Claude
e4d0a6a  Add type annotations to replace_placeholders and process_file functions
013eb0c  Add type annotations to signal handler in main.py
d48136f  Add type annotations to the second signal handler in main.py
4be0770  Add type arguments to generic types in write_file parameter
5df4e0e  Add the Any type import to write_file.py
364c75d  Fix unnecessary isinstance check in write_file.py
23eb06f  Remove unused imports in agno.py
a1f5ef9  Add noqa comment to _generate_command_docs function
f78e27d  Fix import for create_playground_endpoint
67a0e16  Update noqa comments for unused imports in main.py
610c98b  Add comment explaining why isinstance check is necessary
aa2c802  Fix create_playground_endpoint import path
1d0e004  Update import comments in main.py
900762f  Fix isinstance check in write_file.py
eae7510  Use pyright directive to disable reportUnusedImport warning
9b467f5  Add reportUnusedFunction to noqa comment
8b556f0  Fix type annotation for args parameter in run function
fb5660b  Add pyright directive to disable unnecessary isinstance warning
eeaf4ef  Fix pyright directive format in write_file.py
5b5585f  Update directive for unused function in init_project.py
afc68ed  Rename run function to avoid redeclaration conflict
7ee6697  Fix pyright directive in write_file.py
b21dd3a  Add type annotation for gitignore_specs
HEAD     Auto-commit lint changes

codemcp-id: 302-fix-fixing-type-errors-in-the-codebase