feat: structured-output-prefer routing strategy - #129
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Prefer JSON/structured-capable models when metadata.requires_json or metadata.structured_output is set, using structured_models allowlists, json|structured|json_mode capabilities, and gpt-5/claude/gemini/kimi name heuristics (OpenRouter/LiteLLM/Portkey-style capability routing). Co-authored-by: shunqil <shunqil@usc.edu>
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Summary
structured-output-preferrouting strategy for JSON/structured-output capable models.Motivation
Capability routing beyond cost/latency/quality is a gap vs popular LLM gateways.
Changes
Test Plan
Suggested repo description / topics
llm-router,openai,anthropic,gemini,kimi,routing,observabilityChecklist