v0.3.0

• Changed daemon and headless execution to isolate each root session tree in a recoverable worker process, with protocol-v2 chunked snapshots, compact streaming, attachment-local backpressure, session leases, and unchanged print, JSON, and RPC interfaces.
• Added autonomous mode with host-side continuations, configurable limits, and quality gates for evaluator-controlled runs (#278 by @sethkarten).
• Fixed Prime Inference credential and team-header precedence to prefer PRIME_API_KEY, then the Prime CLI config, then auth.json.
• Fixed aborted autonomous gates leaving detached process trees and supervisor recovery retaining intentionally stopped workers after stale scheduler locks.
• Fixed supervisor replacement surfacing fatal socket errors or recovering roots that were intentionally stopped (ENG-4526).
• Fixed daemon catch-up snapshots being disposed mid-transfer or triggering resets that cleared drafts, local queues, dialogs, active UI state, or in-flight reasoning traces.
• Fixed compact daemon streams occasionally duplicating the first token of an assistant response.
• Fixed subagent prompts and usage counters flickering or disappearing during daemon resyncs and large parallel runs, and added compact fixed-width recap rows.
• Fixed stale heartbeat jobs reopening sessions after they were archived, deleted, explicitly shut down, concurrently terminated, or lost resident worker ownership (ENG-4519).
• Fixed heartbeat starvation by moving durable schedules into per-session artifacts and running them concurrently in their owning resident workers, independent of supervisor replacement (ENG-4527).