feat(ops): launchd jobs (nightly + market-open) + caffeinate + install scripts

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016DvdRZkyCy9NJpHYDdPqmS

scripts/run_dashboard.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+# Launch the local dashboard: uv run streamlit run web/dashboard.py
+set -euo pipefail
+cd "$(dirname "$0")/.."
+exec uv run streamlit run web/dashboard.py "$@"