feat: Initialize Rust project with dependencies and tooling

Set up the GitLab Inbox (gi) CLI tool as a Rust 2024 edition project.

Dependencies organized by purpose:
- Database: rusqlite (bundled SQLite), sqlite-vec for vector search
- Serialization: serde/serde_json for GitLab API responses
- CLI: clap for argument parsing, dialoguer for interactive prompts,
  comfy-table for formatted output, indicatif for progress bars
- HTTP: reqwest with tokio async runtime for GitLab API calls
- Async: async-stream and futures for paginated API iteration
- Utilities: thiserror for error types, chrono for timestamps,
  flate2 for payload compression, sha2 for content hashing
- Logging: tracing with env-filter for structured debug output

Release profile optimized for small binary size (LTO, strip symbols).

Project structure follows standard Rust conventions with src/lib.rs
exposing modules and src/main.rs as CLI entry point.

Added .gitignore for Rust/Cargo artifacts and local database files.
Added AGENTS.md with TDD workflow guidance and beads issue tracking
integration instructions for AI-assisted development.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Cargo.toml

@@ -0,0 +1,60 @@
+[package]
+name = "gi"
+version = "0.1.0"
+edition = "2024"
+description = "GitLab Knowledge Engine - semantic search for GitLab issues, MRs, and discussions"
+authors = ["Taylor Eernisse"]
+license = "MIT"
+
+[[bin]]
+name = "gi"
+path = "src/main.rs"
+
+[dependencies]
+# Database
+rusqlite = { version = "0.38", features = ["bundled"] }
+sqlite-vec = "0.1"
+
+# Serialization
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+
+# CLI
+clap = { version = "4", features = ["derive"] }
+dialoguer = "0.12"
+console = "0.16"
+indicatif = "0.18"
+comfy-table = "7"
+open = "5"
+
+# HTTP
+reqwest = { version = "0.12", features = ["json"] }
+tokio = { version = "1", features = ["rt-multi-thread", "macros", "time"] }
+
+# Async streaming for pagination
+async-stream = "0.3"
+futures = { version = "0.3", default-features = false, features = ["alloc"] }
+
+# Utilities
+thiserror = "2"
+dirs = "6"
+url = "2"
+urlencoding = "2"
+sha2 = "0.10"
+flate2 = "1"
+chrono = { version = "0.4", features = ["serde"] }
+uuid = { version = "1", features = ["v4"] }
+
+# Logging
+tracing = "0.1"
+tracing-subscriber = { version = "0.3", features = ["env-filter"] }
+tracing-indicatif = "0.3"
+
+[dev-dependencies]
+tempfile = "3"
+wiremock = "0.6"
+
+[profile.release]
+lto = true
+codegen-units = 1
+strip = true