Rich-text (tiptap) block editor for q2-preview — Phase 1a (experiment, opt-in)#335

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Jun 24, 2026

spike(bd-sjb4pzx8): tiptap/ProseMirror markdown round-trip feasibility

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feat(richtext): Phase 1a production round-trip core (bd-sjb4pzx8)

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feat(richtext): Phase 1a rich-text editor component + flag plumbing (bd-sjb4pzx8)

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docs(richtext): Phase 1a verified end-to-end in q2 preview (bd-sjb4pzx8)

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feat(richtext): edit-mode affordance — tint active editor (bd-sjb4pzx8)

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feat(richtext): left-margin "Editing…" label + fix shortcode chip source (bd-sjb4pzx8)

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feat(richtext): left-margin rich/plain editor toggle (bd-sjb4pzx8)

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feat(richtext): Phase 1b — rich-text editing for headings (bd-sjb4pzx8)

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feat(richtext): formatting toolbar (B/I/S/sub/sup/link) + sub/sup marks (bd-sjb4pzx8)

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