0.21.0: Explicitly pass model, base_url and api_key to agent builder instead of relying on env vars. - #49
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…DEL env var. agent_builder and init_agent now take the model slug as a parameter, and init_observability takes it for the global 'model' metric label (falling back to 'unknown' only for an empty string). The library no longer reads the MODEL environment variable anywhere; BASE_URL and API_KEY remain env-based. All examples read MODEL themselves and pass it through, so their documented .env workflow is unchanged.
agent_builder and init_agent now take the inference endpoint and credentials explicitly, so the library core reads no configuration from the process environment at all. The new agent_builder_from_env / init_agent_from_env conveniences keep the one-liner ergonomics for binaries following the BASE_URL/API_KEY env convention; all examples use them, so their documented .env workflow is unchanged. (The Prometheus exporter's INSTANCE fleet-identity label, with its hostname-pid fallback, deliberately stays env-based.)
MathisWellmann
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Changes:
modeltoagent_builderinstead of loading it from env varMODELbase_url,api_keyas well inagent_bulder.agent_builder_from_envwhich loadsBASE_URLandAPI_KEYlike before inagent_builder