refactor(server): decompose request routing#550
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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01LgRW2HdErpbMYgp94DzMSq
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/v1/chat/completions and /v1/messages accepted bodies without a messages array and generated from an empty conversation (pre-existing: the old non-const operator[] silently inserted null). Validate the field explicitly and fail with 400; count_tokens keeps its tolerant array default. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01LgRW2HdErpbMYgp94DzMSq
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Summary
route_request()into focused helpers for common fields, endpoint payloads, reasoning settings, prompt preparation, validation, and dispatch.route_request()as a small coordinator while preserving the existing API behavior.Example
Before, adding or changing an API-specific field meant editing the same large function that also rendered prompts and queued inference. Now endpoint adaptation stays in
parse_endpoint_request(), while the shared request pipeline remains unchanged.Testing
git diff --check