[codex] restore ProseMirror-selectednode with selection hook

[ocavue]

Summary

• Restore ProseMirror's default selected-node class and draggable behavior in CoreNodeView when no custom select handlers are provided.
• Add onSelectionChange as a post-select/deselect hook so framework adapters can refresh context without replacing nodeView.selectNode or nodeView.deselectNode.
• Keep user-provided selectNode and deselectNode wired directly through the normal options path.
• Add e2e coverage for .ProseMirror-selectednode and draggable toggling across Lit, Preact, React, Solid, Svelte, and Vue examples.
• Add a patch changeset and document the new node-view option.

Root Cause

Framework adapters installed internal selectNode and deselectNode callbacks to rerender selected state. prosemirror-view treats those callbacks as custom node-view overrides, so its default selected-node behavior never ran for adapter node views.

This version keeps those override slots reserved for user-provided handlers and moves framework context refreshes into onSelectionChange, which runs after selectNode or deselectNode completes.

Checks

• pnpm run build
• pnpm --filter=e2e test tests/node-view.spec.ts --project=chromium
• pnpm run typecheck
• pnpm run lint
• pnpm run test

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Project	Deployment	Actions	Updated (UTC)
prosemirror-adapter-e2e	Ready	Preview, Comment	Jul 7, 2026 6:05pm

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commit: 3b17561