aigateway v0.5.0

Added

• (aigw-openai) Chat Completions thinking projector + Value-level helper- (aigw-openai) wire canonical thinking + ReasoningStart/End in Responses- (aigw-openai) normalize web_search_preview tool aliases for Codex- (aigw-gemini) add translate module + canonical thinking projector- (aigw-anthropic) pluggable cache_control strategy + always-on API rules- (aigw-anthropic) wire canonical thinking + source-tagged history filter- (aigw-gemini) GenerateContentRequest also derives Deserialize- (aigw-gemini) native-protocol bridge (Gemini-native ↔ canonical)- (aigw-gemini) expose build_generate_content_request public helper

Fixed

• (aigw-gemini) schema-type case + native-bridge fidelity

Testing

• add live OAuth e2e suite for subscription-backed providers

Miscellaneous

• fix CI — clippy + nightly rustfmt