fix: Resolve compilation errors in parallel and cache modules
- Fix parallel execution logic to properly handle JoinHandle<Result<R, E>> types - Use join_all instead of try_join_all for proper Result handling - Fix double question mark (??) issue in parallel execution methods - Clean up unused imports in parallel and cache modules - Ensure all performance optimization modules compile successfully - Fix CI build failures caused by compilation errors
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docs/apt-ostree-daemon-plan/implementation/getting-started.md
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docs/apt-ostree-daemon-plan/implementation/getting-started.md
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# 🚀 **Getting Started with apt-ostree Development**
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## 📋 **Prerequisites**
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Before you begin developing apt-ostree, ensure you have the following installed:
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### **System Requirements**
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- **Operating System**: Debian 13 (Trixie) or Ubuntu 25.04 (Plucky Puffin)
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- **Architecture**: x86_64 (amd64)
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- **Kernel**: Linux 6.12+ (for OSTree support)
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### **Development Tools**
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```bash
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# Essential build tools
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sudo apt update
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sudo apt install build-essential pkg-config cmake
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# Rust toolchain
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curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
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source ~/.cargo/env
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rustup default stable
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# OSTree development libraries
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sudo apt install libostree-dev libgirepository1.0-dev
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# APT development libraries
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sudo apt install libapt-pkg-dev libapt-pkg5.0
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# DBus and Polkit development
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sudo apt install libdbus-1-dev libpolkit-gobject-1-dev
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# Additional dependencies
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sudo apt install libsystemd-dev libseccomp-dev libcap-dev
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```
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### **Optional Tools**
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```bash
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# Development utilities
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sudo apt install git clang-format rustfmt cargo-audit
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# Documentation tools
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sudo apt install pandoc graphviz
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# Testing tools
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sudo apt install valgrind gdb
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```
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## 🏗️ **Project Structure Overview**
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```
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apt-ostree/
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├── src/ # Source code
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│ ├── main.rs # CLI client entry point
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│ ├── commands/ # Command implementations
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│ ├── daemon/ # Daemon implementation
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│ ├── client/ # Client library
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│ └── lib/ # Shared library code
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├── daemon/ # Daemon-specific files
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├── docs/ # Documentation
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└── tests/ # Test suites
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```
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## 🚀 **Quick Start Development**
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### **1. Clone and Setup**
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```bash
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# Clone the repository
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git clone <repository-url>
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cd apt-ostree
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# Install dependencies
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cargo build --dependencies
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# Verify setup
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cargo check
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```
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### **2. First Build**
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```bash
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# Build the project
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cargo build
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# Run basic tests
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cargo test
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# Check for issues
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cargo clippy
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cargo audit
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```
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### **3. Development Environment**
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```bash
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# Set up development environment
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export APT_OSTREE_DEV=1
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export RUST_LOG=debug
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# Run with development configuration
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cargo run -- --help
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```
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## 🔧 **Development Workflow**
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### **Understanding the Codebase**
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1. **Start with the CLI**: Review `src/main.rs` to understand command structure
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2. **Explore Commands**: Check `src/commands/` for specific command implementations
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3. **Daemon Architecture**: Review `src/daemon/` for server-side logic
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4. **Library Code**: Examine `src/lib/` for shared functionality
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### **Key Development Patterns**
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#### **Command Implementation**
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```rust
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// src/commands/example.rs
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use crate::BaseCommand;
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pub struct ExampleCommand;
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impl BaseCommand for ExampleCommand {
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fn name(&self) -> &'static str { "example" }
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fn description(&self) -> &'static str {
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"Example command implementation"
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}
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async fn execute(&self, args: &[String]) -> AptOstreeResult<()> {
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// Command implementation
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Ok(())
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}
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}
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```
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#### **Daemon Integration**
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```rust
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// src/daemon/example.rs
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use crate::daemon::DaemonManager;
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impl DaemonManager {
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pub async fn handle_example_request(
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&self,
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request: ExampleRequest,
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) -> Result<ExampleResponse, Error> {
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// Handle request
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Ok(ExampleResponse::new())
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}
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}
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```
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## 🧪 **Testing Your Changes**
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### **Unit Tests**
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```bash
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# Run all tests
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cargo test
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# Run specific test
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cargo test test_example_command
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# Run tests with output
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cargo test -- --nocapture
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```
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### **Integration Tests**
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```bash
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# Run integration tests
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cargo test --test integration
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# Run with specific features
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cargo test --features integration-tests
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```
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### **System Tests**
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```bash
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# Run system tests (requires root)
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sudo cargo test --test system
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# Run in container
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cargo test --test container
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```
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## 🔍 **Debugging and Troubleshooting**
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### **Common Issues**
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#### **Build Failures**
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```bash
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# Clean and rebuild
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cargo clean
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cargo build
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# Check dependencies
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cargo tree
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# Verify Rust version
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rustc --version
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```
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#### **Runtime Errors**
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```bash
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# Enable debug logging
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export RUST_LOG=debug
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export RUST_BACKTRACE=1
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# Run with verbose output
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cargo run -- --verbose
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```
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#### **Permission Issues**
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```bash
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# Check Polkit policies
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pkaction --action org.projectatomic.aptostree.status
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# Verify systemd service
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systemctl status aptostreed
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```
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### **Debugging Tools**
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#### **GDB Integration**
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```bash
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# Build with debug symbols
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cargo build --debug
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# Run with GDB
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gdb --args target/debug/apt-ostree --help
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```
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#### **Valgrind Memory Checking**
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```bash
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# Run with Valgrind
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valgrind --leak-check=full cargo run -- --help
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```
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## 📚 **Learning Resources**
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### **Core Concepts**
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- **[OSTree Documentation](https://ostreedev.github.io/ostree/)** - OSTree fundamentals
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- **[APT Development](https://apt-team.pages.debian.net/python-apt/)** - APT package management
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- **[DBus Tutorial](https://dbus.freedesktop.org/doc/dbus-tutorial.html)** - DBus communication
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- **[Polkit Documentation](https://www.freedesktop.org/software/polkit/docs/latest/)** - Authorization framework
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### **Related Projects**
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- **[rpm-ostree](https://github.com/coreos/rpm-ostree)** - Reference implementation
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- **[debian-atomic](https://github.com/debian-atomic/debian-atomic)** - Debian OSTree images
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- **[systemd](https://systemd.io/)** - System and service management
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### **Rust Ecosystem**
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- **[Rust Book](https://doc.rust-lang.org/book/)** - Rust programming language
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- **[Tokio](https://tokio.rs/)** - Async runtime
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- **[Serde](https://serde.rs/)** - Serialization framework
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## 🎯 **Next Steps**
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### **For New Developers**
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1. **Complete the tutorial**: Follow this guide step by step
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2. **Explore the codebase**: Review the architecture documents
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3. **Run examples**: Try the provided examples and tests
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4. **Join the community**: Participate in discussions and reviews
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### **For Experienced Developers**
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1. **Review architecture**: Understand the system design
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2. **Identify areas**: Find areas for improvement or new features
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3. **Submit proposals**: Propose enhancements or new features
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4. **Contribute code**: Submit pull requests and patches
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### **For System Administrators**
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1. **Test deployment**: Try deploying apt-ostree in test environments
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2. **Provide feedback**: Report issues and suggest improvements
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3. **Document usage**: Share deployment experiences and best practices
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## 🤝 **Getting Help**
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### **Development Questions**
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- **Architecture**: Check the relevant architecture documents
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- **Implementation**: Review the implementation guides
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- **Code Examples**: Look at existing command implementations
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### **Community Support**
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- **Issues**: Report bugs and feature requests
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- **Discussions**: Participate in design discussions
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- **Contributions**: Submit patches and improvements
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### **Documentation**
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- **This Guide**: Start here for development setup
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- **Architecture Docs**: Detailed system architecture
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- **API Reference**: Complete interface documentation
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---
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*This getting started guide provides the foundation for developing apt-ostree. Follow the steps, explore the codebase, and don't hesitate to ask questions or contribute improvements.*
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