fix(models): managed first-party tier routing + pricing#27
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- Token estimation routes through the main-loop model on first-party so the reported usage comes back on the serving model's tokenizer (GLM, Kimi, and DeepSeek V4 Flash each have provider-specific tokenizers). - opusplan alias resolves to Opus (GLM 5.2) instead of Flash (Kimi). Plan mode wants Opus-tier reasoning; the previous Flash fallback was an Anthropic-era cost optimization. - getContextWindowForModel consults the managed model profile before the [1m] regex so a [1m] tag attached to a model that does not support 1M (Kimi today) cannot silently inflate the reported context window. Kimi + [1m] now correctly reports 200K; GLM and DeepSeek V4 Flash stay at their native 1M. - Adds context.1m-tier-contract.test.ts pinning the tier-tag contract for all three managed profiles.
GLM 5.2 - input $1.40 / output $4.40 / cached input $0.26 per Mtok Kimi K2.7 - input $0.95 / output $4.00 / cached input $0.19 per Mtok DeepSeek V4 Flash - input $0.14 / output $0.28 / cached input $0.0028 per Mtok Rates are set to match current competitor pricing for the equivalent upstream models. Cache-write rates default to the input rate where no separate cache-write tier is published. Adds modelCost.managed.test.ts to pin the managed-tier rates so future drift is caught.
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Two commits land the managed first-party tier contract and matching pricing.
fix(models): correct managed first-party tier routingfeat(models): set managed model pricingValidation: 30/30 tests pass across the worked files; build passes.