[hannessolo]

Summary

• Normalize empty block-cell paragraphs and add AEM-compatible row/cell scaffolding to header-only blocks.
• Preserve cursor and surviving content indices.
• Extract structured rendering-v2 section metadata without concatenating paragraphs or dropping additional links/images. Existing legacy-mode preservation stays intact.

Refs #1688, #1691, #1692, #1695. Backend initial rendering is being addressed separately in da-universal.

Validation

• 280 targeted browser tests passed; 3 existing skips.
• Targeted ESLint and git diff --check passed.
• Existing dependencies reused after npm ci reported a pre-existing lockfile mismatch. Production-site behavior was not verified.

Test URLs

• Before: https://main--da-live--adobe.aem.live/
• After: https://ewfixes--da-live--adobe.aem.live/

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Commits

• 9161019 ✅ (latest)

[hannessolo]

Scope clarification: #1704 already fixed the da-live rendering-mode gate, configuration lookup, and legacy section-metadata preservation. This draft builds on that merged work; it does not reimplement those fixes. Its remaining #1695 changes concern structured rendering-v2 values (paragraph boundaries, multiple links/images, and style classes), alongside the empty-cell/block fixes for #1691 and #1692.

Companion drafts cover paths explicitly excluded from #1704: initial server rendering in adobe/da-universal#336 and standalone Quick Edit in adobe/da-nx#992.

Backend validation: 573 tests and lint pass; local Chrome MP4 iframe playback passed through the real handlers/proxy with a mocked AEM upstream. Production-site validation remains pending.