feat: Add --debug option to CLI for verbose output

This commit introduces a global  option to the GarminSync CLI, providing verbose logging and diagnostic information for troubleshooting.

Key changes include:

- Implemented a  to manage and propagate the debug flag across CLI commands.

- Refactored  in  to accept and utilize the debug flag, enabling detailed logging of HTTP requests and responses.

- Updated CLI commands (, ) to access the  from the .

- Resolved circular import by extracting  into a dedicated  module.

- Configured  for Poetry-based dependency management.

- Addressed various  type hinting issues and  linting warnings across the CLI codebase to maintain code quality.

cli/pyproject.toml

@@ -1,3 +1,37 @@
+[tool.poetry]
+name = "cli"
+version = "0.1.0"
+description = "GarminSync CLI"
+authors = ["Your Name <you@example.com>"]
+packages = [{include = "src"}]
+
+[tool.poetry.dependencies]
+python = "^3.13"
+click = "^8.1.7"
+httpx = "^0.28.1"
+pydantic = "^2.12.5"
+pytest = "^9.0.2"
+garth = "^0.5.20"
+garminconnect = "^0.2.36"
+annotated-types = "^0.7.0"
+anyio = "^4.12.0"
+certifi = "^2025.11.12"
+charset-normalizer = "^3.4.4"
+iniconfig = "^2.3.0"
+oauthlib = "^3.3.1"
+packaging = "^25.0"
+pluggy = "^1.6.0"
+pygments = "^2.19.2"
+requests = "^2.32.5"
+requests-oauthlib = "^2.0.0"
+typing-inspection = "^0.4.2"
+typing_extensions = "^4.15.0"
+urllib3 = "^2.6.2"
+
+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"
+
 [tool.black]
 line-length = 88
 target-version = ['py313']
@@ -15,3 +49,7 @@ python_version = "3.13"
 warn_return_any = true
 warn_unused_configs = true
 ignore_missing_imports = true # Temporarily ignore until all stubs are available
+[dependency-groups]
+dev = [
+    "types-pyyaml (>=6.0.12.20250915,<7.0.0.0)"
+]