refactor: simplify codebase

internal/app/app.go

@@ -1,18 +0,0 @@
-// app.go owns process-level application bootstrap before handing control to the TUI.
-package app
-
-import (
-	"context"
-
-	"parasocial/internal/config"
-	"parasocial/internal/tui"
-)
-
-// Run loads configuration and starts the terminal UI.
-func Run(ctx context.Context) error {
-	cfg, err := config.LoadDefault()
-	if err != nil {
-		return err
-	}
-	return tui.Run(ctx, tui.Options{Streamers: cfg.Streamers})
-}