agentjido / req_llm / 0c64c2bb1444f139899f9883c5dd497a85712dc4-PR-104

Pull #104

github

Add normalize_model_id callback for Bedrock inference profiles

This adds an optional normalize_model_id/1 callback to the Provider
behavior, allowing providers to normalize model identifiers before
looking up metadata.

The AmazonBedrock provider implements this to strip region prefixes
(us., eu., ap., ca., global.) from inference profile IDs, enabling
metadata/pricing lookup for models like:
- us.anthropic.claude-sonnet-4-5-20250929-v1:0 (inference profile)
- anthropic.claude-sonnet-4-5-20250929-v1:0 (standard model ID in registry)

The Model struct retains the original ID for API calls while using
the normalized ID only for metadata lookup.

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