better ax/dx

cli/Cargo.lock

@@ -4,7 +4,7 @@ version = 4
 
 [[package]]
 name = "agent-browser"
-version = "0.4.1"
+version = "0.4.0"
 dependencies = [
  "libc",
  "serde",
@@ -109,6 +109,6 @@ checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5"
 
 [[package]]
 name = "zmij"
-version = "1.0.13"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac93432f5b761b22864c774aac244fa5c0fd877678a4c37ebf6cf42208f9c9ec"
+checksum = "2fc5a66a20078bf1251bde995aa2fdcc4b800c70b5d92dd2c62abc5c60f679f8"

cli/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "agent-browser"
-version = "0.4.1"
+version = "0.4.0"
 edition = "2021"
 description = "Fast browser automation CLI for AI agents"
 license = "Apache-2.0"

cli/src/main.rs

@@ -8,7 +8,7 @@ use serde_json::json;
 use std::env;
 use std::process::exit;
 
-use commands::{gen_id, parse_command};
+use commands::{gen_id, parse_command, ParseError};
 use connection::{ensure_daemon, send_command};
 use flags::{clean_args, parse_flags};
 use install::run_install;
@@ -32,13 +32,22 @@ fn main() {
     }
 
     let cmd = match parse_command(&clean, &flags) {
-        Some(c) => c,
+        Ok(c) => c,
-        None => {
+        Err(e) => {
-            eprintln!(
+            if flags.json {
-                "\x1b[31mUnknown command:\x1b[0m {}",
+                let error_type = match &e {
-                clean.get(0).unwrap_or(&String::new())
+                    ParseError::UnknownCommand { .. } => "unknown_command",
+                    ParseError::UnknownSubcommand { .. } => "unknown_subcommand",
+                    ParseError::MissingArguments { .. } => "missing_arguments",
+                };
+                println!(
+                    r#"{{"success":false,"error":"{}","type":"{}"}}"#,
+                    e.format().replace('\n', " "),
+                    error_type
                 );
-            eprintln!("\x1b[2mRun: agent-browser --help\x1b[0m");
+            } else {
+                eprintln!("\x1b[31m{}\x1b[0m", e.format());
+            }
             exit(1);
         }
     };

package.json

@@ -1,6 +1,6 @@
 {
   "name": "agent-browser",
-  "version": "0.4.1",
+  "version": "0.4.0",
   "description": "Headless browser automation CLI for AI agents",
   "type": "module",
   "main": "dist/daemon.js",