[Page Builder] Config: Elemental configuration, allowed block types per page

[jsirish]

Overview

Configure Elemental module with allowed block types and settings.

Requirements

YAML Configuration

• app/_config/elemental.yml
• Define allowed block types globally
• Override per PageType (optional)

Block Whitelist

• Start with base blocks (Content, Text, HTML, Image)
• Expand as blocks are created
• Document available blocks

CMS Settings

• Enable live preview
• Configure block templates
• Set default block type

Acceptance Criteria

• elemental.yml created
• Allowed blocks configured
• CMS shows correct blocks
• Preview enabled
• Per-page overrides work

Relates to #133

[jsirish]

⚠️ Builder: Claimed success but did not provide a PR number. Issue remains in phase:ready for retry.

[jsirish]

🏥 Re-evaluation: Phase Reset

This issue has been in phase:needs-human-review for >12h without activity.

Assessment: No linked PR found — resetting to planning
Action taken: Transitioned to phase:planning

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AutoPipe Health Checker — Staleness Re-evaluation

[jsirish]

🔨 Builder: Implementation complete. See PR #219.