fixup! Update retired model ids and fill doc gaps in common.ai provider docs

Author: Lee-W

providers/common/ai/docs/connections/pydantic_ai.rst

@@ -41,6 +41,9 @@ Model
     Examples: ``openai:gpt-5.3``, ``anthropic:claude-sonnet-5``,
     ``bedrock:us.anthropic.claude-opus-4-6-v1:0``, ``google:gemini-2.0-flash``
 
+    See `Anthropic's models overview <https://platform.claude.com/docs/en/about-claude/models/overview#latest-models-comparison>`__
+    for the current list of Claude model IDs across the Claude API, Amazon Bedrock, and Google Cloud.
+
     The model can also be overridden at the hook/operator level via the
     ``model_id`` parameter.