Add Phase 2 SDLC benchmark suite tasks, configs, scripts, and skills #1

	# Repo health gate: catch doc drift and invalid config/tasks before merge.
	# Keeps main clean so we can commit working solutions often and reduce entropy.
	name: Repo health

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

	jobs:
	health:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3.10"

	- name: Repo health gate (full)
	run: python3 scripts/repo_health.py

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