alerting: Alertmanager + Signal relay deliver firing rules to Frank's phone

- dankclaw/observability/quadlet/alertmanager.container: loopback :9093,
  config from shared/prometheus/alertmanager.yml, family conventions
- shared/prometheus/alertmanager.yml: single signal receiver, group_by
  alertname, 30s/5m/4h intervals, webhook to host.containers.internal:18093
- scripts/signal-relay.py + .service: host-side user unit, loopback :18093,
  15-min dedupe, sends via signal-cli account 318311
- prometheus.yml: alerting block to alertmanager:9093; stale comments fixed
- llm-fleet.yml: delivery header; LlmSpecDecodeOff annotation now drafter-agnostic
- deploy.sh/deploy-remote.sh/deploy-plan.py: alertmanager service, config
  copy, relay install, planner routing for config + relay files
- homepage: alertmanager status card (loopback probe)
- tests: alertmanager in UNITS/loopback/health/PAIRS/planner + five new
  delivery-path seams (webhook<->relay contract, prometheus target, relay
  unit, signal-cli account, planner routing)
- docs: Alertmanager.md component page, Observability.md, Prometheus.md,
  index.md, AGENTS.md delivery line
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Frank committed 2026-09-17 13:09:59 -07:00
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commit 590853c133
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@@ -85,9 +85,10 @@ covers both workloads).
- [[authentik-worker]] — Authentik background worker service
- [[Homepage]] — password-protected service index
- [[Homepage Design Grilling]] — homepage decision log and open questions
- [[Observability]] — Grafana, Prometheus, Loki, Alloy, node-exporter: the stack, its quadlet deployment, its exposure, and what is still missing (alert delivery)
- [[Observability]] — Grafana, Prometheus, Loki, Alloy, node-exporter, Alertmanager: the stack, its quadlet deployment, its exposure, and what is still missing
- [[Grafana]] — dashboards (datasource and the LLM fleet dashboard provisioned as code since 2026-09-16)
- [[Prometheus]] — metrics collection (5 alert rules + 1 recording rule; evaluated but not delivered — no Alertmanager)
- [[Prometheus]] — metrics collection (5 alert rules + 1 recording rule, delivered via Alertmanager since 2026-09-17)
- [[Alertmanager]] — alert grouping and Signal delivery (webhook → host-side relay → signal-cli)
- [[Node-Exporter]] — host metrics
- [[Loki]] — log storage
- [[Alloy]] — log shipping (replaces Promtail)