Fix duplicate keys in ChatResponseMetadata for OllamaApi.ChatResponse #1692
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eval-durationandeval-countwere duplicated.so they have been updated to
prompt-eval-durationandprompt-eval-countto avoid overwrite.AS-IS

TO-BE

ModelManagementOptions.AS-IS

Incorrect object was being asserted.
observationRegistrySo, NPE occurs at line 105 where OllamaModelManager is being created.
TO-BE

Replace observationRegistry with
ModelManagementOptionsProper exception handling and error messages for modelManagementOptions.