fix: align learning examples with refactored modules

pyproject.toml

@@ -26,13 +26,57 @@ dev = [
 pump_bot = "cli:sync_main"
 
 [tool.ruff]
+exclude = [
+    ".bzr",
+    ".direnv",
+    ".eggs",
+    ".git",
+    ".git-rewrite",
+    ".hg",
+    ".ipynb_checkpoints",
+    ".mypy_cache",
+    ".nox",
+    ".pants.d",
+    ".pyenv",
+    ".pytest_cache",
+    ".pytype",
+    ".ruff_cache",
+    ".svn",
+    ".tox",
+    ".venv",
+    ".vscode",
+    "__pypackages__",
+    "_build",
+    "buck-out",
+    "build",
+    "dist",
+    "node_modules",
+    "site-packages",
+    "venv",
+]
+
 line-length = 88
+indent-width = 4
 target-version = "py311"
 
 [tool.ruff.lint]
-select = ["E", "F", "I", "UP", "N", "B", "A", "C4", "T10", "ARG", "PTH"]
+select = [
+    "E", "F", "I", "UP", "N", "B", "A", "C4", "T10", "ARG", "PTH",
+    "ANN",  # type annotations
+    "S",    # security best practices
+    "BLE",  # blind except statements
+    "FBT",  # boolean trap parameters
+    "C90",  # complexity metrics
+    "TRY",  # exception handling best practices
+    "SLF",  # private member access
+    "TCH",  # type checking issues
+    "RUF",  # Ruff-specific rules
+    "ERA",  # eradicate commented-out code
+    "PL",   # pylint conventions
+]
 ignore = ["E501"]
 
 [tool.ruff.format]
 quote-style = "double"
 indent-style = "space"
+line-ending = "auto"