fix(editor): insert dynamic fields into the last focused editor

[priosshrsth]

Changes

Clicking a dynamic field in the sidebar always inserted into the body editor. With the cursor in the header heading/subheading (separate MinimalEditor instances), the field landed at the body editor's last selection instead of at the cursor. Editors now record themselves as focusedEditor on focus, and the sidebar inserts there. Reported in https://share.zight.com/01a0f9d8-7489-76f0-9a66-565710bac9bb

Testing Criteria

• Cursor in subheading → click a dynamic field → inserted at the cursor (was: inserted into the body).
• Cursor in body → click a dynamic field → still inserted at the cursor.
• Tested in Chrome only. Heading not tested separately (same component as subheading).

Impact & Surface Area of Change

Look at DynamicFieldItem.tsx: falls back to the body editor if the focused editor was destroyed (e.g. segment switch remounting the header).

2026-10-07.10-50-16.mov

• resolves OUT-4241 OUT-4241: Home App - Dynamic Tags not Landing on Header or Subheader

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Project	Deployment	Actions	Updated
client-home-v3	Ready	Preview	Oct 7, 2026 5:03am UTC

[greptile-apps]

Confidence Score: 5/5

[Medium risk] Tracks editor focus to route dynamic field inserts correctly.

The PR appears safe to merge.

What we checked:

• Greeting editors support dynamic fields: Their extensions include AutofillFieldExt, which defines the insertion command.
• Destroyed focused editors are skipped: The click checks isDestroyed and uses editor instead.

Summary

Dynamic fields now insert into the last focused heading, subheading, or body editor.

• Sidebar fields now land in the editor you last focused.

Diagram

%%{init: {'theme': 'neutral'}}%%
flowchart TD
  A[Heading, subheading, or body gains focus] --> B[Store focusedEditor]
  C[User clicks a dynamic field] --> D{focusedEditor exists and is not destroyed?}
  D -->|Yes| E[Use focusedEditor]
  D -->|No| F[Use editor]
  E --> G[Focus target and insert field]
  F --> G

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_{Reviews (1) · Last reviewed commit: "fix(editor): insert dynamic fields into ..." · Reviewed by Greptile}

[linear-code]

OUT-4241