v3.15.0

3.15.0 (2026-09-18)

Features

• api: add agent session model settings (#3882) (4b15817)
• api: add audio-mini model choices (#3886) (a6eeb3f)
• api: add compaction progress events (#3866) (98e1d24)
• api: add managed Responses WebSocket sessions (#3887) (3b865af)
• api: add prompt-cache prewarming (#3888) (8f7cdb8)

Bug Fixes

• preserve chat stream moderation results (#3864) (b77076d)

Chores

• api: clarify incoming SIP call ID usage (#3885) (f0457ab)
• api: update image request examples (#3889) (bb79676)

Documentation

• realtime: remove nonexistent type imports (#3869) (2971aaf)