added id to notes

src/core/renderer.typ

@@ -382,7 +382,7 @@
   }
 })
 
-#let render(participants, elements) = context canvas(length: 1pt, {
+#let render(participants, elements, notes) = context canvas(length: 1pt, {
   setup-ctx(participants, elements)
   
   // Draw participants (start)

src/core/setup.typ

@@ -126,6 +126,7 @@
     "linked",
     note.pos == none and note.side != "across"
   )
+  note.insert("id", ctx.notes.len())
   let names = ctx.participants.map(p => p.name)
   if note.pos == none and note.side != "across" {
     let i1 = names.position(n => n == ctx.last-seq.p1)
@@ -186,6 +187,8 @@
     }
   }
 
+  ctx.notes.push(note)
+
   ctx.elmts.at(ctx.i) = note
 
   ctx.last-note = (
@@ -226,6 +229,7 @@
     linked: (),
     last-seq: none,
     last-note: none,
+    notes: (),
     participants: (),
     elmts: elmts,
     i: 0
@@ -290,10 +294,10 @@
     ).first())
   }
 
-  return (ctx.elmts, participants)
+  return (ctx.elmts, participants, ctx.notes)
 }
 
-#let finalize-setup(elmts, participants) = {
+#let finalize-setup(elmts, participants, notes) = {
   for (i, p) in participants.enumerate() {
     p.insert("i", i)
     participants.at(i) = p
@@ -323,14 +327,11 @@
     elmts.at(i).insert("max-i", max-i)
   }
 
-  return (elmts, participants)
+  return (elmts, participants, notes)
 }
 
 #let setup(elements) = {
   let (elmts, activation-history) = unwrap-containers(elements)
-  
-  let participants
-  (elmts, participants) = prepare-participants(elmts)
-
-  return finalize-setup(elmts, participants)
+  let (elmts, participants, notes) = prepare-participants(elmts)
+  return finalize-setup(elmts, participants, notes)
 }