release: bump version to 0.3.0 master
Carries 75 commits since 0.2.1 (5/11), including the headline work needed by the solstone-macos .app-as-installer: - readiness primitive (solstone/think/readiness.py) — psutil-validated supervisor marker; sol setup exit 0 becomes the authoritative success signal on darwin - sol setup --jsonl + sol doctor --jsonl — canonical event schema in solstone/think/setup_events.py (EVENT_TYPES, ERROR_CODES, STEP_NAMES) - Reason library migration across all apps (convey, observer, settings, speakers, transcripts, todos, support, sol, link, health, activities, chat, tokens, reflections, graph, voice, pairing, push, root) + error_response_with_reason() helper - pl_revoked wire-code preservation on root revocation - require_paired_device error-response migration - apps/timeline graduation from prototype to convey app routes - tests, fixtures, baselines updates 3 artifacts: solstone-0.3.0.tar.gz, solstone-0.3.0-py3-none-any.whl, solstone-0.3.0-py3-none-macosx_14_0_arm64.whl (signed/notarized parakeet-helper). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>