* feat: add view ready and destroy callbacks to CodeMirrorEditor
Provide onViewReady callback that receives the EditorView once created
Provide onViewDestroy callback invoked when the editor is destroyed
* feat: render inline drafts in PlanView with portal
Add editorView state to track the active CodeMirror instance
Render inline drafts through a portal anchored to the editor scroll container
Position drafts relative to the corresponding start line in the editor
* feat(PierreDiffViewer): enable editing inline diff drafts
Enable editing of existing inline diff drafts with draftID handling
Auto-focus comment input when opening editor and place cursor at end
* feat: enable editing inline drafts and auto focus
Enable editing of existing inline drafts via new editingDraftId state and updateDraft
Auto focus the comment input and place cursor at end when a line is selected
Add edit action button in the inline actions bar to start editing
* feat: add updateDraft to inline comment drafts store
Add updateDraft action to modify a specific draft by session and id
Merge updates into the target draft without altering other fields
Retains existing draft management actions like remove and clear