feat: show note emoji icon in wikilinks, relationships, and backlinks

Display the note's frontmatter emoji before its title in the editor
wikilink renderer, relationship LinkButtons, and backlinks panel for
consistent emoji visibility across the app.

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

src/components/editorSchema.tsx

@@ -4,6 +4,7 @@ import { createReactInlineContentSpec } from '@blocknote/react'
 import { resolveWikilinkColor as resolveColor } from '../utils/wikilinkColors'
 import { resolveEntry } from '../utils/wikilink'
 import type { VaultEntry } from '../types'
+import { isEmoji } from '../utils/emoji'
 
 // Module-level cache so the WikiLink renderer (defined outside React) can access entries
 export const _wikilinkEntriesRef: { current: VaultEntry[] } = { current: [] }
@@ -12,15 +13,22 @@ function resolveWikilinkColor(target: string) {
   return resolveColor(_wikilinkEntriesRef.current, target)
 }
 
-/** Resolve the display text for a wikilink target.
+/** Resolve the display text and optional emoji for a wikilink target.
  *  Priority: pipe display text → entry title → humanised path stem */
-function resolveDisplayText(target: string): string {
+function resolveDisplayInfo(target: string): { text: string; emoji: string | null } {
   const pipeIdx = target.indexOf('|')
-  if (pipeIdx !== -1) return target.slice(pipeIdx + 1)
+  if (pipeIdx !== -1) {
+    const entry = resolveEntry(_wikilinkEntriesRef.current, target.slice(0, pipeIdx))
+    const emoji = entry?.icon && isEmoji(entry.icon) ? entry.icon : null
+    return { text: target.slice(pipeIdx + 1), emoji }
+  }
   const entry = resolveEntry(_wikilinkEntriesRef.current, target)
-  if (entry) return entry.title
+  if (entry) {
+    const emoji = entry.icon && isEmoji(entry.icon) ? entry.icon : null
+    return { text: entry.title, emoji }
+  }
   const last = target.split('/').pop() ?? target
-  return last.replace(/-/g, ' ').replace(/\b\w/g, c => c.toUpperCase())
+  return { text: last.replace(/-/g, ' ').replace(/\b\w/g, c => c.toUpperCase()), emoji: null }
 }
 
 export const WikiLink = createReactInlineContentSpec(
@@ -35,14 +43,15 @@ export const WikiLink = createReactInlineContentSpec(
     render: (props) => {
       const target = props.inlineContent.props.target
       const { color, isBroken } = resolveWikilinkColor(target)
-      const displayText = resolveDisplayText(target)
+      const { text, emoji } = resolveDisplayInfo(target)
       return (
         <span
           className={`wikilink${isBroken ? ' wikilink--broken' : ''}`}
           data-target={target}
           style={{ color }}
         >
-          {displayText}
+          {emoji && <span className="wikilink-emoji">{emoji}{' '}</span>}
+          {text}
         </span>
       )
     },