- docker-compose: use ${HOME}/.timmy instead of ~/.timmy (Docker doesn't expand tilde)
- exporter: start HTTP server BEFORE first collection (so /metrics is always available)
- exporter: add startup diagnostics (data dir check, Gitea reachability)
- exporter: fix agent PR counting that would crash on _value access
- Docker Compose with 3 containers (prometheus, grafana, exporter)
- Custom Python exporter reads Gitea API, heartbeat JSONL, inference metrics, model health
- Sovereignty score: 7 dimensions, weighted composite (0-100)
- Top 5 common sense metrics: commit velocity, issues/PRs, heartbeat, inference, model health
- Grafana auto-provisioned with 'Timmy Sovereign Command' dashboard
- Grafana on :3033, Prometheus on :9090, Exporter on :9101
Refs: #590, #594
