2.15.0-beta.1 (2026-03-22)

Bug Fixes

• mates: close sticky notes when switching sessions in mate sidebar (3cb9fe7)
• mates: preserve search state when clicking session in mate sidebar (a33865f)
• sessions: guard against undefined history entries in findTurnBoundary (a586151)
• ui: prevent suggestion chips from hiding last chat message (978c844)

Features

• mates: add common knowledge system and redesign knowledge UI (3c18368)
• mates: add team awareness so mates know about each other (cb8da28)
• palette: inline cross-project session search in command palette (a9bea18)