Phase 1: Repository & Infrastructure Setup

- Renamed directories: codex-rs -> llmx-rs, codex-cli -> llmx-cli
- Updated package.json files:
  - Root: llmx-monorepo
  - CLI: @llmx/llmx
  - SDK: @llmx/llmx-sdk
- Updated pnpm workspace configuration
- Renamed binary: codex.js -> llmx.js
- Updated environment variables: CODEX_* -> LLMX_*
- Changed repository URLs to valknar/llmx

🤖 Generated with Claude Code

llmx-rs/utils/git/Cargo.toml

@@ -0,0 +1,26 @@
+[package]
+name = "codex-git"
+version.workspace = true
+edition.workspace = true
+readme = "README.md"
+
+[lints]
+workspace = true
+
+[dependencies]
+once_cell = "1"
+regex = "1"
+schemars = { workspace = true }
+serde = { workspace = true, features = ["derive"] }
+tempfile = { workspace = true }
+thiserror = { workspace = true }
+ts-rs = { workspace = true, features = [
+    "uuid-impl",
+    "serde-json-impl",
+    "no-serde-warnings",
+] }
+walkdir = { workspace = true }
+
+[dev-dependencies]
+assert_matches = { workspace = true }
+pretty_assertions = { workspace = true }