Embed tiktoken vocab files in binary, drop reqwest dependency#7
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Bundle zstd-compressed cl100k_base and o200k_base vocab files via include_bytes! instead of downloading them at runtime. This removes the reqwest dependency (and ~100 transitive crates including hyper, tokio, rustls, ring) and the sha1 crate, replacing them with zstd for decompression. The TIKTOKEN_ENCODINGS_BASE env var override is retained for loading from a local directory. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Bundle zstd-compressed cl100k_base and o200k_base vocab files via include_bytes! instead of downloading them at runtime. This removes the reqwest dependency (and ~100 transitive crates including hyper, tokio, rustls, ring) and the sha1 crate, replacing them with zstd for decompression. The TIKTOKEN_ENCODINGS_BASE env var override is retained for loading from a local directory.