Repository navigation

fix(ci): restore post-merge content gates #2

	name: Sync Check (PR only)

	on:
	pull_request:
	branches: [main]

	jobs:
	validate:
	name: Validate sync + frontmatter
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Install PowerShell
	uses: microsoft/powershell@v1
	- name: Sync check
	run: pwsh scripts/sync-check.ps1
	- name: Frontmatter validate
	run: pwsh scripts/validate-frontmatter.ps1
	- name: Install mermaid-cli
	run: npm install -g @mermaid-js/mermaid-cli
	- name: Validate mermaid
	run: pwsh scripts/validate-mermaid.ps1