feat(server-ai): stamp modelKey and modelVersion on AI usage events (AIC-2857)#36
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atornsii merged 4 commits intoJul 22, 2026
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…AIC-2857) Read modelKey and modelVersion from the AI Config variation payload and expose them on ModelConfig. Stamp both fields on all AIConfigTracker metric event payloads alongside existing modelName/providerName fields. Default modelVersion to 1 when absent. Exclude both fields from the resumption token. Additive and backward compatible with older payloads. Co-authored-by: Anthony Torns II <atornsii@users.noreply.github.com>
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Holding based on our conversation today and we will follow up on slack before reviewing. |
atornsii
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July 9, 2026 20:31
atornsii
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July 15, 2026 21:36
Gonfalon moved these two fields from the payload's model object to _ldMeta (launchdarkly/gonfalon#67230) to avoid modelVersion reading as the underlying LLM's own version. Field names are unchanged; only the JSON location moves. ModelConfig's public accessors and the tracker's stamped event fields are untouched. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
model_key/model_version should only be visible via the tracker's stamped event data, mirroring how variation_key/version are treated. They now flow from the already-parsed _ldMeta fields straight into the tracker factory instead of being attached to ModelConfig. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
atornsii
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July 20, 2026 17:36
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jsonbailey
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Jul 20, 2026
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Approved with a non blocking nit.
| provider_config = ProviderConfig.new(provider_config.fetch(:name, '')) | ||
| end | ||
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| tracked_model_version = (variation.dig(:_ldMeta, :modelVersion) || 1).to_i |
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nit: I would just call this model_version and move it down where we set the model_key value below.
Addresses Jason's review nit: renames the local var to match its sibling model_key and moves its assignment down next to it, instead of computing it early and separately from the rest of the meta reads. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Summary
modelKeyandmodelVersionfrom the AI Config variation payload (variation['model']) and expose them onModelConfigmodelKey(when present) andmodelVersionon allAIConfigTrackermetric event payloads, alongside existingmodelName/providerNamefieldsmodelVersionto1when absent, matching variation version handling; exclude both fields from the resumption tokenPart of AIC-2857 / AIC-2849. Mirrors the Python SDK implementation in python-server-sdk-ai#208. Depends on backend payload work (AIC-2876) shipping
modelKey/modelVersionon variations.Test plan
bundle exec rspec(72 passed)bundle exec rubocopon changed files (no offenses)