feat(app): let the caller supply theme and feature config sources #1288

	name: Git Lint

	on:
	pull_request:
	branches: [ main, dev, develop ]

	jobs:
	validate:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Validate Branch Name
	run: \|
	BRANCH="${{ github.head_ref }}"
	REGEX="^(feat\|feature\|refactor\|fix\|chore\|build\|style\|docs\|release)/.+$"

	if [[ ! "$BRANCH" =~ $REGEX ]]; then
	echo "Invalid branch name: '$BRANCH'"
	exit 1
	fi

	- name: Validate Commit Messages
	run: \|
	COMMITS_FULL=$(git log --no-merges --format=%B origin/${{ github.base_ref }}..HEAD)
	COMMITS_SUBJECTS=$(git log --no-merges --format=%s origin/${{ github.base_ref }}..HEAD)

	if echo "$COMMITS_FULL" \| grep -qP '\p{Cyrillic}'; then
	echo "Cyrillic characters detected in commits."
	exit 1
	fi

	# A capitalized first letter in the description is allowed (e.g. "fix: WebRTC ...").
	REGEX="^(feat\|fix\|chore\|refactor\|test\|docs\|style\|ci\|perf\|build\|revert)($[^)]+$)?: .+$"

	# Legacy commits that predate the current convention and are already merged into
	# shared history. Rewriting them would rewrite hundreds of commits across dozens of
	# branches, so they are exempted by exact subject instead.
	ALLOWLIST=(
	"fix fix changing info icon color (#836)"
	)

	while IFS= read -r SUBJECT; do
	if [ -z "$SUBJECT" ]; then continue; fi

	for ALLOWED in "${ALLOWLIST[@]}"; do
	if [ "$SUBJECT" = "$ALLOWED" ]; then continue 2; fi
	done

	if [[ ! "$SUBJECT" =~ $REGEX ]]; then
	echo "Invalid commit message format: '$SUBJECT'"
	exit 1
	fi
	done <<< "$COMMITS_SUBJECTS"

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