feat(extension): add history/revoke/restore glyph constants

extension/src/shared/glyphs.ts

@@ -22,6 +22,9 @@ export const GLYPH_SYNC          = '⇅';   // sync / upload
 export const GLYPH_PREVIEW       = '⊕';   // preview / expand
 
 export const GLYPH_VAULT_TAB      = '⧉';   // U+29C9 pop-out to fullscreen vault tab
+export const GLYPH_HISTORY        = '◷';   // sidebar history nav (clock-quadrant — distinct from clock emoji)
+export const GLYPH_REVOKE         = '⊘';   // revoke device / autofill-origin ack (same shape as HIDE; kept distinct for semantic clarity)
+export const GLYPH_RESTORE        = '⤺';   // restore from trash
 
 export const GLYPH_TYPE_LOGIN       = '◉';  // login
 export const GLYPH_TYPE_SECURE_NOTE = '◫';  // secure note