refactor: app orchestration into tui

internal/tui/messages.go

@@ -0,0 +1,48 @@
+package tui
+
+import (
+	"parasocial/internal/auth"
+	"parasocial/internal/twitch"
+)
+
+// IRCState describes the current IRC join lifecycle for one streamer row.
+type IRCState string
+
+const (
+	IRCPending      IRCState = "pending"
+	IRCJoined       IRCState = "joined"
+	IRCDisconnected IRCState = "disconnected"
+)
+
+// AuthUpdate carries one incremental auth log line or completion result into the TUI.
+type AuthUpdate struct {
+	Line  string
+	State *auth.State
+	Err   error
+	Done  bool
+}
+
+// StreamerUpdate carries one streamer resolution update into the TUI.
+type StreamerUpdate struct {
+	Viewer *twitch.Viewer
+	Entry  *twitch.StreamerEntry
+	IRC    *IRCUpdate
+	Index  int
+	Err    error
+	Done   bool
+}
+
+// IRCUpdate carries one IRC connection state or log line into the TUI.
+type IRCUpdate struct {
+	Login string
+	State IRCState
+	Line  string
+}
+
+type authStartedMsg struct {
+	Updates <-chan AuthUpdate
+}
+
+type streamerStartedMsg struct {
+	Updates <-chan StreamerUpdate
+}