feat(cohere): update model YAMLs [bot]

[harshiv-26]

Auto-generated by poc-agent for provider cohere.

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Note

Medium Risk
Updates Cohere model metadata (modes, limits, modalities, and feature flags), which can change how the router selects/validates requests and what parameters are accepted. Risk is moderate because mis-specified limits/modes could break existing integrations or enable unsupported behaviors.

Overview
Marks a large set of Cohere model YAMLs as status: active and aligns capability metadata across chat, embedding, and rerank models.

Notable behavior changes include switching command-r-08-2024 to mode: chat (removing supportedModes), adding json_output to command-a variants, expanding command-a-translate-08-2025 limits (adds max_input_tokens and increases context_window), and explicitly declaring embedding/rerank modalities.output: embedding plus missing modalities blocks for some models (e.g., tiny-aya-earth, rerank-v3.5).

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