add some more info to bonks.

notably adding /followers is required for pleroma to ack it.

activity.go

@@ -720,7 +720,11 @@ func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
 	j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
 	j["actor"] = user.URL
 	j["published"] = dt
-	j["to"] = h.Audience[0]
+	if h.Public {
+		j["to"] = []string{h.Audience[0], user.URL + "/followers"}
+	} else {
+		j["to"] = h.Audience[0]
+	}
 	if len(h.Audience) > 1 {
 		j["cc"] = h.Audience[1:]
 	}
@@ -810,6 +814,9 @@ func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
 		j["object"] = jo
 	case "bonk":
 		j["type"] = "Announce"
+		if h.Convoy != "" {
+			j["context"] = h.Convoy
+		}
 		j["object"] = h.XID
 	case "zonk":
 		j["type"] = "Delete"

honk.go

@@ -812,6 +812,10 @@ func savebonk(w http.ResponseWriter, r *http.Request) {
 	}
 	donksforhonks([]*Honk{xonk})
 
+	oonker := xonk.Oonker
+	if oonker == "" {
+		oonker = xonk.Honker
+	}
 	dt := time.Now().UTC()
 	bonk := Honk{
 		UserID:   userinfo.UserID,
@@ -821,14 +825,11 @@ func savebonk(w http.ResponseWriter, r *http.Request) {
 		XID:      xonk.XID,
 		Date:     dt,
 		Donks:    xonk.Donks,
-		Audience: []string{thewholeworld},
+		Convoy:   xonk.Convoy,
+		Audience: []string{oonker, thewholeworld},
 		Public:   true,
 	}
 
-	oonker := xonk.Oonker
-	if oonker == "" {
-		oonker = xonk.Honker
-	}
 	aud := strings.Join(bonk.Audience, " ")
 	whofore := 2
 	res, err := stmtSaveHonk.Exec(userinfo.UserID, "bonk", bonk.Honker, xid, "",