Initial Slug Code Rust implementation

Core features:
- OpenAI-compatible streaming provider (vLLM, Ollama, OpenAI, etc.)
- Agent loop with tool use (bash, read, write, edit, glob, grep)
- Permission system: ask/yolo/sandbox/allowEdits + glob patterns
- SLUG.md hierarchy loaded every turn (CLAUDE.md equivalent)
- Session persistence with --continue/--resume/--fork-session
- Hook system: 5 lifecycle events, command + prompt types
- Compaction: ToolResultTrim/Truncate strategies, /compact command
- Config via TOML, CLI args, env vars

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Cargo.toml

@@ -0,0 +1,55 @@
+[package]
+name = "slug-code"
+version = "0.1.0"
+edition = "2024"
+
+[[bin]]
+name = "slug"
+path = "src/main.rs"
+
+[dependencies]
+# Async runtime
+tokio = { version = "1", features = ["full"] }
+futures = "0.3"
+async-stream = "0.3"
+
+# HTTP & streaming
+reqwest = { version = "0.12", default-features = false, features = ["json", "stream", "rustls-tls"] }
+reqwest-eventsource = "0.6"
+eventsource-stream = "0.2"
+
+# Serialization
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+
+# CLI
+clap = { version = "4", features = ["derive", "env"] }
+
+# TUI
+ratatui = "0.29"
+crossterm = "0.28"
+tui-textarea = "0.7"
+
+# Terminal markdown
+termimad = "0.30"
+
+# File operations
+globwalk = "0.9"
+grep-regex = "0.1"
+ignore = "0.4"
+
+# Utils
+anyhow = "1"
+dirs = "6"
+toml = "0.8"
+tracing = "0.1"
+tracing-subscriber = { version = "0.3", features = ["env-filter"] }
+uuid = { version = "1", features = ["v4"] }
+syntect = "5"
+shell-words = "1"
+which = "7"
+
+[profile.release]
+opt-level = 3
+lto = true
+strip = true