v7.18.0

7.18.0 (2026-09-17)

Features

• api: add agent session model settings (#2755) (d1385bb)
• api: add audio-mini model choices (#2759) (b350d59)
• api: add managed Responses WebSocket sessions (#2760) (a38c533)
• api: add prompt-cache prewarming (#2761) (f468949)

Bug Fixes

• api: validate WebSocket results and preserve header defaults (#2763) (a7e830b)

Chores

• api: clarify incoming SIP call ID usage (#2758) (67e9d29)
• api: update image request examples (#2762) (1d244f0)