Prune parameter-free subtrees; reach param_source through the children hook #563

	name: Code Formatting

	on:
	push:
	branches: [main, development]
	pull_request:
	branches: [main, development]

	jobs:
	format:
	runs-on: macos-latest

	steps:
	- uses: actions/checkout@v5

	- name: Install clang-format
	run: brew install clang-format \|\| true

	# Fail loudly if clang-format is missing — otherwise the check below
	# would pass vacuously on empty output.
	- name: Verify clang-format is available
	run: clang-format --version

	# The $ ... $ grouping matters: without it, -print0 binds only to
	# the *.h branch and .c files are never checked.
	- name: Check C formatting
	run: \|
	misformatted=$(find . $ -name '.c' -o -name '.h' $ -print0 \| xargs -0 clang-format -style=file -output-replacements-xml \| grep "<replacement " \|\| true)
	if [ -n "$misformatted" ]; then
	echo "ERROR: Some files are not properly formatted. Run clang-format -i."
	exit 1
	else
	echo "All files are properly formatted."
	exit 0
	fi

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