refactor: comprehensive codebase improvements and documentation

- Enhanced error handling with expanded GhostError variants and From impls
- Fixed race conditions in TUI (ui.rs unwrap calls)
- Added comprehensive module documentation with doc comments
- Improved type safety with proper validation in DetectionConfig
- Implemented Linux process enumeration via procfs
- Refactored TUI for better state management and removed emojis
- Enhanced CLI with proper logging initialization
- Added example configuration file (examples/ghost.toml)
- Updated README with complete feature documentation
- Added performance optimizations (saturating arithmetic, reduced clones)
- Improved testing framework with proper struct initialization
- Added validation and preset modes to DetectionConfig

ghost-tui/Cargo.toml

@@ -11,7 +11,9 @@ ghost-core = { path = "../ghost-core" }
 ratatui = "0.24"
 crossterm = "0.27"
 tokio = { version = "1.0", features = ["full"] }
-anyhow = "1.0"
+anyhow.workspace = true
+log.workspace = true
+env_logger.workspace = true
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 chrono = { version = "0.4", features = ["serde"] }