Epic B: DOM Morphing & Rendering Fidelity

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Epic B — DOM Morphing & Rendering Fidelity · Milestone: 0.6.0b · See claudedocs/dev_plan_production_grade_2026-06-24.md

Foundation for navigation, forms, and optimistic-UI quality.

• B1 Adopt morph swap (idiomorph/morphdom) in component-client.js instead of innerHTML replace — enabler
• B2 Preserve focus / scroll / in-flight input across patches
• B3 Stable list reconciliation key (data-key)
• B4 "Don't morph this" escape hatch for JS-owned regions
• B5 (spike) Server-side change tracking feasibility — likely post-1.0

Critical path: B1 unblocks Epics C, D, G.