More fixes for fenrir's self-voice and notification system. Make sure proper sockets can be accessed.

internal/control/coexistence_linux.go

@@ -74,19 +74,35 @@ func (s *Server) route_target(pid, uid int) (string, error) {
 		}
 	}
 	seen := map[int]bool{}
+	var ancestors []int
+	var ancestorReader *instance
+ancestry:
 	for ancestor := pid; ancestor > 1 && !seen[ancestor]; ancestor = parent_pid(ancestor) {
 		seen[ancestor] = true
+		ancestors = append(ancestors, ancestor)
 		for _, data := range terminals {
 			if data.PID == ancestor {
-				return s.destination(data)
+				ancestorReader = &data
+				break ancestry
 			}
 		}
 		for _, data := range consoles {
 			if data.PID == ancestor {
-				return s.destination(data)
+				ancestorReader = &data
+				break ancestry
 			}
 		}
 	}
+	readers := append(slices.Clone(terminals), consoles...)
+	if reader, handled, err := attached_screen_reader("/proc", ancestors, uid, readers); handled {
+		if err != nil {
+			return "", err
+		}
+		return s.destination(reader)
+	}
+	if ancestorReader != nil {
+		return s.destination(*ancestorReader)
+	}
 	identity := process_identity(pid, uid)
 	return s.route_identity(identity, uid, terminals, consoles)
 }