feat: add PR diff, PR review, and structured error handling commands

cmd/root.go

@@ -11,13 +11,20 @@ import (
 )
 
 var cfgFile string
+var jsonErrors bool
 
 var rootCmd = &cobra.Command{
 	Use:   "fgj",
 	Short: "Forgejo CLI tool - work seamlessly with Forgejo from the command line",
 	Long: `fgj is a command line tool for Forgejo instances (including Codeberg).
 It brings pull requests, issues, and other Forgejo concepts to the terminal.`,
-	Version: "0.2.0",
+	Version:       "0.2.0",
+	SilenceErrors: true,
+}
+
+// JSONErrors reports whether the --json-errors flag is set.
+func JSONErrors() bool {
+	return jsonErrors
 }
 
 func Execute() error {
@@ -28,6 +35,7 @@ func init() {
 	cobra.OnInitialize(initConfig)
 
 	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.config/fgj/config.yaml)")
+	rootCmd.PersistentFlags().BoolVar(&jsonErrors, "json-errors", false, "output errors as structured JSON to stderr")
 	rootCmd.PersistentFlags().String("hostname", "", "Forgejo instance hostname")
 	_ = viper.BindPFlag("hostname", rootCmd.PersistentFlags().Lookup("hostname"))
 }