Antigravity SDK August 3rd 2026 weekly update for v0.1.10: • 🎉 Prioritized Model Inference: ServiceTier.PRIORITY and GeminiModelOptions.service_tier now enable prioritized execution queues with automatic fallback. • Context Compaction Hooks: @​hooks.on_compaction now notifies clients when trajectory context is compressed. • Live Token Streaming: Step.usage_metadata now streams token counts in real time during agent steps. • Tool Call Correlation: ToolExecutionError​.call_id can now correlate tool call hook payloads. • Context-Aware Hooks: pre_turn and ​post_tool_call now accept HookContext to manage state across lifecycle hook callbacks. • Standardized System Instructions: CustomSystemInstructions now supports prompt instruction merging and overrides. 🧵