Make difftastic vendored rather than a cargo git dep

Cargo.toml

@@ -3,6 +3,7 @@ name = "ripdiff"
 version = "0.1.2"
 edition = "2021"
 rust-version = "1.85"
+build = "build.rs"
 default-run = "ripdiff"
 description = "Terminal UI for watching and reviewing agent progress"
 license = "MIT"
@@ -12,7 +13,11 @@ documentation = "https://docs.rs/ripdiff"
 readme = "README.md"
 keywords = ["git", "diff", "tui", "review", "agent"]
 categories = ["command-line-utilities", "development-tools"]
-include = ["src/**", "Cargo.toml", "README.md", "LICENSE"]
+include = ["build.rs", "src/**", "vendor/difftastic/**", "Cargo.toml", "README.md", "LICENSE"]
+
+[lib]
+name = "difftastic"
+path = "src/difftastic/lib.rs"
 
 [[bin]]
 name = "ripdiff"
@@ -23,15 +28,103 @@ name = "rd"
 path = "src/main.rs"
 
 [dependencies]
-ratatui = "0.29"
-crossterm = "0.28"
-tokio = { version = "1", features = ["full"] }
-notify = "6"
-clap = { version = "4", features = ["derive"] }
 ansi-to-tui = "7"
 anyhow = "1"
-unicode-width = "0.2"
+bumpalo = "3.16.0"
+clap = { version = "4.0.0", features = ["cargo", "derive", "env", "string", "wrap_help"] }
+crossterm = { version = "0.28", features = ["windows"] }
+encoding_rs = "0.8.35"
+glob = "0.3.1"
+hashbrown = "0.14.0"
+humansize = "2.1.3"
+ignore = ">= 0.4, < 0.4.24"
+lazy_static = "1.4.0"
+libc = "0.2.108"
+line-numbers = "0.3.0"
+log = "0.4.14"
+notify = "6"
+owo-colors = "4.2.3"
+pretty_env_logger = "0.5.0"
+radix-heap = "0.4.2"
+ratatui = "0.29"
+rayon = "1.7.0"
+regex = "1.10.4"
+rustc-hash = "2.0.0"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+smallvec = "1.13.2"
+streaming-iterator = "0.1.9"
+strsim = "0.11.0"
+strum = { version = "0.26", features = ["derive"] }
 tempfile = "3"
-difftastic = { git = "https://github.com/martinabeleda/difftastic.git", rev = "008ffe865b1b1cf995abf86af456c8e5b44c8119" }
+tokio = { version = "1", features = ["full"] }
+tree-sitter = "~0.26.3"
+tree-sitter-ada = "0.1.0"
+tree-sitter-bash = "0.23.3"
+tree-sitter-c = "0.24"
+tree-sitter-c-sharp = "0.23.1"
+tree-sitter-clojure-orchard = "0.2.0"
+tree-sitter-cmake = "0.7.1"
+tree-sitter-cpp = "0.23.4"
+tree-sitter-css = "0.23.1"
+tree-sitter-dart-orchard = "0.2.1"
+tree-sitter-devicetree = "0.14.1"
+tree-sitter-elisp = "1.6.1"
+tree-sitter-elixir = "0.3.4"
+tree-sitter-elm = "5.8.0"
+tree-sitter-erlang = "0.13.0"
+tree-sitter-fortran = "0.5.1"
+tree-sitter-fsharp = "0.1.0"
+tree-sitter-gleam = "1.0.0"
+tree-sitter-go = "0.23.4"
+tree-sitter-haskell = "0.23.1"
+tree-sitter-hcl = "1.1.0"
+tree-sitter-html = "0.23.2"
+tree-sitter-java = "0.23.4"
+tree-sitter-javascript = "0.23.1"
+tree-sitter-json = "0.24.8"
+tree-sitter-julia = "0.23.1"
+tree-sitter-language = "0.1.3"
+tree-sitter-lua = "0.4"
+tree-sitter-make = "1.1.1"
+tree-sitter-newick = "1.1.0"
+tree-sitter-nix = "0.0.2"
+tree-sitter-objc = "3.0.2"
+tree-sitter-ocaml = "0.23.2"
+tree-sitter-pascal = "0.10.0"
+tree-sitter-perl = "1.1.2"
+tree-sitter-php = "0.23.11"
+tree-sitter-proto = "0.2.0"
+tree-sitter-python = "0.23.5"
+tree-sitter-qmljs = "0.3.0"
+tree-sitter-r = "1.2.0"
+tree-sitter-racket = "0.24.7"
+tree-sitter-ruby = "0.23.1"
+tree-sitter-rust-orchard = "0.13.0"
+tree-sitter-scala = "0.23.3"
+tree-sitter-scheme = "0.24.7"
+tree-sitter-sequel = "0.3.11"
+tree-sitter-sfapex = "2.4.0"
+tree-sitter-solidity = "1.2.13"
+tree-sitter-swift = "0.7.1"
+tree-sitter-toml-ng = "0.7.0"
+tree-sitter-typescript = "0.23.2"
+tree-sitter-verilog = "1.0.3"
+tree-sitter-xml = "0.7.0"
+tree-sitter-yaml = "0.7.0"
+tree-sitter-zig = "1.1.2"
+tree_magic_mini = "3.1.6"
+typed-arena = "2.0.2"
+unicode-width = "0.2"
+wu-diff = "0.1.2"
 
 [dev-dependencies]
+pretty_assertions = "1.3.0"
+
+[build-dependencies]
+cc = "1.2.13"
+rayon = "1.7.0"
+version_check = "0.9.4"
+
+[target.'cfg(not(any(windows, target_os = "illumos", target_os = "freebsd")))'.dependencies]
+tikv-jemallocator = "0.6"