feat: add --output-format option for json/yaml support in info/status/list modes

Co-authored-by: aider (openai/andrew/openrouter/anthropic/claude-sonnet-4) <aider@aider.chat>

src/main.rs

@@ -11,6 +11,7 @@ use directories::ProjectDirs;
 extern crate prettytable;
 
 use std::str::FromStr;
+use serde::{Deserialize, Serialize};
 
 extern crate lazy_static;
 
@@ -21,6 +22,9 @@ pub mod meta_plugin;
 //pub mod item;
 
 extern crate term;
+extern crate serde_json;
+extern crate serde_yaml;
+extern crate serde;
 
 /**
  * Main struct for command-line arguments.
@@ -105,6 +109,7 @@ struct ItemArgs {
     meta_plugins: Vec<String>,
 }
 
+
 /**
  * Struct for general options.
  */
@@ -133,6 +138,10 @@ struct OptionsArgs {
     #[arg(short, long)]
     #[arg(help("Do not show any messages"))]
     quiet: bool,
+
+    #[arg(long, value_enum, default_value("table"))]
+    #[arg(help("Output format (only works with --info, --status, --list)"))]
+    output_format: Option<String>,
 }
 
 /**
@@ -252,6 +261,16 @@ fn main() -> Result<(), Error> {
         }
     }
 
+    // Validate output format usage
+    if let Some(output_format_str) = &args.options.output_format {
+        if output_format_str != "table" && mode != KeepModes::Info && mode != KeepModes::Status && mode != KeepModes::List {
+            cmd.error(
+                ErrorKind::InvalidValue,
+                "--output-format can only be used with --info, --status, or --list modes"
+            ).exit();
+        }
+    }
+
     debug!("MAIN: args: {:?}", args);
     debug!("MAIN: ids: {:?}", ids);
     debug!("MAIN: tags: {:?}", tags);