feat(cli): auto-stage when nothing staged for g m/g l/g o; docs: update README

bin/lib/utils/colors.js

@@ -0,0 +1,16 @@
+/**
+ * ANSI color utilities without external dependencies
+ */
+const color = {
+  green: (s) => `\x1b[32m${s}\x1b[0m`,
+  yellow: (s) => `\x1b[33m${s}\x1b[0m`,
+  red: (s) => `\x1b[31m${s}\x1b[0m`,
+  cyan: (s) => `\x1b[36m${s}\x1b[0m`,
+  blue: (s) => `\x1b[34m${s}\x1b[0m`,
+  magenta: (s) => `\x1b[35m${s}\x1b[0m`,
+  bold: (s) => `\x1b[1m${s}\x1b[0m`,
+  dim: (s) => `\x1b[2m${s}\x1b[0m`,
+  reset: '\x1b[0m'
+};
+
+module.exports = { color };

bin/lib/utils/progress.js

@@ -0,0 +1,49 @@
+const { color } = require('./colors');
+
+/**
+ * Progress indicators and user feedback utilities
+ */
+class Progress {
+  static spinner = ['⠋', '⠙', '⠹', '⠸', '⠼', '⠴', '⠦', '⠧', '⠇', '⠏'];
+  static current = 0;
+  static interval = null;
+
+  static start(message) {
+    process.stdout.write(`${message} ${this.spinner[0]}`);
+    this.interval = setInterval(() => {
+      this.current = (this.current + 1) % this.spinner.length;
+      process.stdout.write(`\r${message} ${this.spinner[this.current]}`);
+    }, 100);
+  }
+
+  static stop(finalMessage = '') {
+    if (this.interval) {
+      clearInterval(this.interval);
+      this.interval = null;
+    }
+    process.stdout.write(`\r${finalMessage}\n`);
+  }
+
+  static success(message) {
+    console.log(`${color.green('✓')} ${message}`);
+  }
+
+  static warning(message) {
+    console.log(`${color.yellow('⚠')} ${message}`);
+  }
+
+  static error(message) {
+    console.log(`${color.red('✗')} ${message}`);
+  }
+
+  static info(message) {
+    console.log(`${color.cyan('ℹ')} ${message}`);
+  }
+
+  static step(step, total, message) {
+    const progress = `[${step}/${total}]`;
+    console.log(`${color.dim(progress)} ${message}`);
+  }
+}
+
+module.exports = { Progress };