📚 Update README and add comprehensive feature documentation

- Update README with new v0.1.0 features (dry-run and summary)
- Add detailed examples for new features
- Fix installation method to use correct download URL
- Add What's New section highlighting latest features
- Create FEATURES.md with comprehensive feature documentation
- Remove duplicate sections in README

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: 0xkaz

README.md

@@ -36,6 +36,8 @@ claude-auto-commit -l en -e -t feat
 - 📝 **Conventional Commits**: Optional support for conventional commit format
 - 🔄 **Auto-update**: Automatic updates with rollback capability
 - 🎯 **Smart Detection**: Analyzes file types, change patterns, and project context
+- 🔍 **Dry Run Mode**: Preview commit messages without making actual commits
+- 📋 **Change Summary**: Detailed statistics about your changes (lines added/deleted, file types)
 - ⚡ **Lightweight**: Shell script with minimal dependencies
 - 🛠️ **Configurable**: Extensive customization through CLI options and config files
 
@@ -96,6 +98,15 @@ claude-auto-commit -s -v
 # Custom prefix for hotfix
 claude-auto-commit -p "[HOTFIX]" -t fix
 
+# Preview message without committing
+claude-auto-commit --dry-run
+
+# Show detailed change statistics
+claude-auto-commit --summary
+
+# Combine options for detailed preview
+claude-auto-commit --dry-run --summary -v
+
 # Update tool
 claude-auto-commit --update
 ```
@@ -109,15 +120,18 @@ curl -fsSL https://claude-auto-commit.0xkaz.com/install.sh | bash
 
 ### Method 2: Manual Download
 ```bash
-# Download for your platform
-curl -L -o claude-auto-commit https://github.com/0xkaz/claude-auto-commit/releases/latest/download/claude-auto-commit-$(uname -s)-$(uname -m)
+# Download the script
+curl -L -o claude-auto-commit https://github.com/0xkaz/claude-auto-commit/releases/latest/download/claude-auto-commit.sh
 chmod +x claude-auto-commit
 sudo mv claude-auto-commit /usr/local/bin/
 ```
 
-### Method 3: NPX (Node.js users)
+### Method 3: Clone and Install
 ```bash
-npx claude-auto-commit@latest
+git clone https://github.com/0xkaz/claude-auto-commit.git
+cd claude-auto-commit
+chmod +x src/claude-auto-commit.sh
+sudo ln -s $(pwd)/src/claude-auto-commit.sh /usr/local/bin/claude-auto-commit
 ```
 
 ## ⚙️ Configuration
@@ -141,6 +155,12 @@ git:
   auto_push: true
 ```
 
+## 🚀 What's New in v0.1.0
+
+- **Dry Run Mode**: Preview commit messages without committing using `--dry-run`
+- **Change Summary**: Get detailed statistics about your changes with `--summary`
+- **Push Confirmation**: Now prompts before pushing (use `-y` to skip)
+
 ## 🤝 Contributing
 
 Contributions are welcome! Please read [CONTRIBUTING.md](./CONTRIBUTING.md) for details.
@@ -155,14 +175,6 @@ This project is licensed under the MIT License - see the [LICENSE](./LICENSE) fi
 - [Conventional Commits](https://conventionalcommits.org) specification
 - Open source community for inspiration
 
-## 🤝 Contributing
-
-Contributions are welcome! Please read [CONTRIBUTING.md](./CONTRIBUTING.md) for guidelines.
-
-## 📄 License
-
-This project is licensed under the MIT License - see the [LICENSE](./LICENSE) file for details.
-
 ---
 
 **Made with ❤️ for the developer community**

docs/FEATURES.md

@@ -0,0 +1,142 @@
+# Claude Auto-Commit Features
+
+## Core Features
+
+### 🧠 AI-Powered Commit Messages
+Claude analyzes your code changes to generate meaningful commit messages that accurately describe what was changed and why.
+
+### 🌍 Multi-Language Support
+Currently supports:
+- English (en)
+- Japanese (ja) 
+- Chinese (zh)
+- Arabic (ar) - Coming soon
+- Spanish (es) - Coming soon
+- French (fr) - Coming soon
+
+### 📝 Conventional Commits
+Support for the [Conventional Commits](https://www.conventionalcommits.org/) specification:
+```bash
+claude-auto-commit -c -t feat
+# Output: feat: add user authentication module
+```
+
+### 🔄 Auto-Update
+Automatically checks for updates daily and self-updates when a new version is available.
+
+## New Features (v0.1.0)
+
+### 🔍 Dry Run Mode
+Preview the generated commit message without actually committing:
+```bash
+claude-auto-commit --dry-run
+```
+
+### 📊 Change Summary
+Get detailed statistics about your changes:
+```bash
+claude-auto-commit --summary
+
+# Output:
+# 📋 Detailed change contents:
+#   📁 File statistics:
+#     src/app.js    | 45 +++++++++++++++++++++++++++++++++++++--------
+#     src/utils.js  | 12 ++++++------
+#   
+#   ➕ 51 lines added
+#   ➖ 18 lines deleted
+#   
+#   📝 File types:
+#     .js: 2 files
+#     .md: 1 file
+```
+
+## Configuration Options
+
+### Command Line Flags
+
+| Flag | Description |
+|------|-------------|
+| `-b, --branch <branch>` | Target branch for push (default: main) |
+| `-l, --language <lang>` | Commit message language |
+| `-e, --emoji` | Use emoji in commit messages |
+| `-n, --no-push` | Don't push after commit |
+| `-s, --no-stage` | Manual file staging |
+| `-d, --diff-lines <num>` | Max diff lines to analyze |
+| `-m, --message <msg>` | Custom commit message |
+| `-t, --type <type>` | Commit type (feat/fix/docs/etc) |
+| `-v, --verbose` | Verbose output |
+| `-c, --conventional` | Use Conventional Commits format |
+| `-p, --prefix <prefix>` | Custom prefix (e.g., [WIP]) |
+| `-y, --yes` | Skip push confirmation |
+| `--dry-run` | Preview without committing |
+| `--summary` | Show detailed change statistics |
+
+### Configuration File
+
+Create `~/.claude-auto-commit/config.yml`:
+
+```yaml
+auto_update:
+  enabled: true
+  frequency: daily  # daily/weekly/manual/always
+  silent: false
+
+defaults:
+  language: en
+  branch: main
+  emoji: false
+  conventional: false
+
+git:
+  auto_stage: true
+  auto_push: true
+```
+
+## Usage Examples
+
+### Basic Usage
+```bash
+# Simple commit with auto-generated message
+claude-auto-commit
+
+# Without pushing
+claude-auto-commit -n
+```
+
+### Advanced Usage
+```bash
+# Dry run with summary in Japanese
+claude-auto-commit --dry-run --summary -l ja
+
+# Conventional commit for a new feature with emoji
+claude-auto-commit -c -t feat -e
+
+# Custom prefix with manual staging
+claude-auto-commit -p "[HOTFIX]" -s
+
+# Skip all confirmations for automation
+claude-auto-commit -y
+```
+
+## Workflow Integration
+
+### Git Aliases
+Add to your `.gitconfig`:
+```ini
+[alias]
+    ac = !claude-auto-commit
+    acp = !claude-auto-commit -n
+    acd = !claude-auto-commit --dry-run --summary
+```
+
+### Pre-commit Hook
+Coming soon: Automatic message generation as a git hook.
+
+## Upcoming Features
+
+- 📝 **Template System**: Save and reuse common commit message patterns
+- 🧠 **Learning Mode**: Analyze your commit history to match your style
+- ✂️ **Split Commits**: Break large changes into logical commits
+- 🔧 **Selective Analysis**: Filter files to include/exclude from analysis
+- 🔗 **Git Hook Integration**: Automatic message generation on commit