Release v1.23.0

Features:

• add tool search for Anthropic, Bedrock, and OpenAI Responses (#1013) by mikehostetler

• bedrock: support prompt caching on the Converse API (#1006) by adriencohen

• bedrock: return document citations on the Converse API (#1005) by adriencohen

• bedrock: send documents and video on the Converse API (#1004) by adriencohen

• codex: support caller-owned turn attribution (#1003) by Danila Poyarkov

• bedrock: guard selected content parts on the Converse API (#1002) by adriencohen

• google: support validated function calling mode (#1001) by Javier Cuevas

• bedrock: round-trip reasoning on the Converse API (#997) by adriencohen

• bedrock: support guardrails (#995) by adriencohen

• openai: keep a builtin tool call's status and mark failed calls as error spans (#991) by Vasilis Spilka

Bug Fixes:

• bedrock: route Mantle models through the correct API (#1014) by mikehostetler

• model: resolve prefixes consistently across spec formats (#1012) by mikehostetler

• normalize numeric-string usage counters (#1009) by mikehostetler

• codex: preserve session and prompt cache identity across transports (#996) by Danila Poyarkov

• deps: update ex_doc and vulnerable igniter (#994) by dependabot[bot]

• azure: accept include in provider_options for Responses API models (#990) by Vasilis Spilka