Three composing bugs were blocking the `+`→pick-block→type flow:
1. **Path 5-segmentos en `insertBlockInColumn`** — the op passed the
path TO the text node (`[colsIdx, colIdx, innerIdx, 0]`) to
`pointFromInlineTextOffset`, which expects the path to the
CONTAINER block. The helper then appended its own inline-index,
producing a stale 5-segment path that no `[data-words-path]`
selector matches. Fix: pass `[colsIdx, colIdx, innerIdx]` for
heading/paragraph/quote/code/callout, `[colsIdx, colIdx, innerIdx, 0]`
for list (the first list-item IS the container).
2. **Selectionchange echo overwriting the model** — `api.focus()`
landed the caret at doc-start (browser default for focusing a
contenteditable without a prior selection), fired selectionchange,
`syncSelectionFromDom` overwrote the model's intended post-insert
selection with `0.0` before `restoreDomSelection` could run. Fix:
capture `intended = api.selection` immediately after the op, then
re-apply via `setTimeout(0)` AFTER the echo handler has settled.
3. **DropdownMenu focus trap intercepted `api.focus()`** — the
FocusScope's capture-phase `focusin` bouncer kept yanking focus
back inside the menu. Fix: `trapFocus={false}` on Content.
Also expose `api.restoreCaret()` (provider line 1274) for any consumer
that needs to force-write the model selection to DOM after awaiting
enough ticks for new blocks to mount.
Verified end-to-end in Chrome: empty column → click `+` → pick
Heading → "Title" stub selected → typing immediately replaces with
user's text. Inspector switches to Heading panel. Doc title and rest
of the doc untouched.
CONTINUE.md P0 — RESUELTO.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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