feat(api): update API spec from langfuse/langfuse b8fab27

Author: langfuse-bot

packages/core/src/api/api/resources/commons/types/ObservationV2.ts

@@ -62,7 +62,7 @@ export interface ObservationV2 {
   /** Additional metadata of the observation */
   metadata?: unknown;
   /** The model name as provided by the user */
-  providedModelName?: string | null;
+  model?: string | null;
   /** The internal model ID matched by Langfuse */
   internalModelId?: string | null;
   /** The parameters of the model used for the observation */

packages/core/src/api/api/resources/observations/client/Client.ts

@@ -75,7 +75,7 @@ export class Observations {
    * - `time` - completionStartTime, createdAt, updatedAt
    * - `io` - input, output
    * - `metadata` - metadata (truncated to 200 chars by default, use `expandMetadata` to get full values)
-   * - `model` - providedModelName, internalModelId, modelParameters
+   * - `model` - model, internalModelId, modelParameters
    * - `usage` - usageDetails, costDetails, totalCost, usagePricingTierName
    * - `prompt` - promptId, promptName, promptVersion
    * - `metrics` - latency, timeToFirstToken