fix: propagate frontmatter changes from raw editor to vault entries

When editing type/status/color/icon in the raw editor (Cmd+\), changes
now immediately flow into the reactive VaultEntry state, updating the
Properties panel, note list, and sidebar without save/reload.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/hooks/frontmatterOps.ts

@@ -4,6 +4,7 @@ import type { VaultEntry } from '../types'
 import type { FrontmatterValue } from '../components/Inspector'
 import { updateMockFrontmatter, deleteMockFrontmatterProperty } from './mockFrontmatterHelpers'
 import { updateMockContent, trackMockChange } from '../mock-tauri'
+import { parseFrontmatter } from '../utils/frontmatter'
 
 const ENTRY_DELETE_MAP: Record<string, Partial<VaultEntry>> = {
   type: { isA: null }, is_a: { isA: null }, status: { status: null }, color: { color: null },
@@ -65,6 +66,17 @@ export function frontmatterToEntryPatch(
   return { patch: updates[k] ?? {}, relationshipPatch }
 }
 
+/** Parse frontmatter from full content and return a merged VaultEntry patch for all known fields. */
+export function contentToEntryPatch(content: string): Partial<VaultEntry> {
+  const fm = parseFrontmatter(content)
+  const merged: Partial<VaultEntry> = {}
+  for (const [key, value] of Object.entries(fm)) {
+    const { patch } = frontmatterToEntryPatch('update', key, value)
+    Object.assign(merged, patch)
+  }
+  return merged
+}
+
 async function invokeFrontmatter(command: string, args: Record<string, unknown>): Promise<string> {
   return invoke<string>(command, args)
 }

src/hooks/useEditorSaveWithLinks.ts

@@ -1,6 +1,7 @@
 import { useCallback, useRef } from 'react'
 import { useEditorSave } from './useEditorSave'
 import { extractOutgoingLinks, extractSnippet, countWords } from '../utils/wikilinks'
+import { contentToEntryPatch } from './frontmatterOps'
 import type { VaultEntry } from '../types'
 
 export function useEditorSaveWithLinks(config: {
@@ -21,6 +22,7 @@ export function useEditorSaveWithLinks(config: {
   const editor = useEditorSave({ updateVaultContent: saveContent, setTabs: config.setTabs, setToastMessage: config.setToastMessage, onAfterSave: config.onAfterSave, onNotePersisted: config.onNotePersisted })
   const { handleContentChange: rawOnChange } = editor
   const prevLinksKeyRef = useRef('')
+  const prevFmKeyRef = useRef('')
   const handleContentChange = useCallback((path: string, content: string) => {
     rawOnChange(path, content)
     const links = extractOutgoingLinks(content)
@@ -29,6 +31,12 @@ export function useEditorSaveWithLinks(config: {
       prevLinksKeyRef.current = key
       updateEntry(path, { outgoingLinks: links })
     }
+    const fmPatch = contentToEntryPatch(content)
+    const fmKey = JSON.stringify(fmPatch)
+    if (fmKey !== prevFmKeyRef.current) {
+      prevFmKeyRef.current = fmKey
+      if (Object.keys(fmPatch).length > 0) updateEntry(path, fmPatch)
+    }
   }, [rawOnChange, updateEntry])
   return { ...editor, handleContentChange }
 }

src/hooks/useNoteActions.test.ts

@@ -19,7 +19,7 @@ import {
   resolveTemplate,
 } from './useNoteCreation'
 import { needsRenameOnSave } from './useNoteRename'
-import { frontmatterToEntryPatch, applyRelationshipPatch } from './frontmatterOps'
+import { frontmatterToEntryPatch, applyRelationshipPatch, contentToEntryPatch } from './frontmatterOps'
 import { useNoteActions } from './useNoteActions'
 import type { NoteActionsConfig } from './useNoteActions'
 
@@ -440,6 +440,36 @@ describe('applyRelationshipPatch', () => {
   })
 })
 
+describe('contentToEntryPatch', () => {
+  it('extracts type from frontmatter', () => {
+    const content = '---\ntype: Project\nstatus: Active\n---\nBody text'
+    expect(contentToEntryPatch(content)).toEqual({ isA: 'Project', status: 'Active' })
+  })
+
+  it('returns empty patch when no frontmatter', () => {
+    expect(contentToEntryPatch('Just a body')).toEqual({})
+  })
+
+  it('returns empty patch for empty content', () => {
+    expect(contentToEntryPatch('')).toEqual({})
+  })
+
+  it('extracts color, icon, and aliases', () => {
+    const content = '---\ncolor: red\nicon: star\naliases:\n  - Foo\n  - Bar\n---\n'
+    expect(contentToEntryPatch(content)).toEqual({ color: 'red', icon: 'star', aliases: ['Foo', 'Bar'] })
+  })
+
+  it('handles is_a as alias for type', () => {
+    const content = '---\nis_a: Essay\n---\n'
+    expect(contentToEntryPatch(content)).toEqual({ isA: 'Essay' })
+  })
+
+  it('ignores unknown frontmatter keys', () => {
+    const content = '---\ntype: Note\ncustom: value\n---\n'
+    expect(contentToEntryPatch(content)).toEqual({ isA: 'Note' })
+  })
+})
+
 describe('todayDateString', () => {
   it('returns date in YYYY-MM-DD format', () => {
     const result = todayDateString()