fix: fix stop loss banner debounce #31300

	name: Block stable-main to main PRs

	on:
	pull_request:
	types: [opened, reopened, synchronize, edited]
	branches:
	- main
	merge_group:

	jobs:
	check-branch:
	name: Block stable-main-X.Y.Z to main
	# Pre-filter: only spin up runner for branches starting with 'stable-main-'
	# This saves runner time for most PRs while still doing exact regex check below
	if: startsWith(github.head_ref, 'stable-main-')
	runs-on: ubuntu-latest
	steps:
	- name: Check exact branch pattern
	env:
	SOURCE_BRANCH: ${{ github.head_ref }}
	TARGET_BRANCH: ${{ github.base_ref }}
	run: \|
	# Check if source branch matches exact pattern: stable-main-X.Y.Z
	if [[ "$TARGET_BRANCH" == "main" && "$SOURCE_BRANCH" =~ ^stable-main-[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
	echo "❌ ERROR: Manual merge from stable-main-X.Y.Z branches to main are not allowed!"
	echo "Source branch '$SOURCE_BRANCH' matches the blocked pattern."
	echo "These branches should only be merged via automated workflows, comment 'Merge my PR' to merge."
	exit 1
	fi

	echo "✅ Branch check passed"

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