Merge pull request 'Ship: monitoring contract fixes (2026-08-09)' (#43) from ship/monitoring-contract-fixes into master

Reviewed-on: #43

hermes-config-template.prose.md

@@ -100,6 +100,10 @@ model:
   api_key_env: LITELLM_API_KEY    # Injected via infisical run -- wrapper
   max_tokens: 4096                # ⚠️ CRITICAL: Prevents unbounded generation
   context_length: 131072          # For syslog-auto (all GPUs at 128K for stability).
+                                  # ⚠️ MANDATORY: Hermes probes unknown models from 256K
+                                  # and falls back to 256K when /v1/models lacks a context
+                                  # field (llama-server does). Without this override, agents
+                                  # silently run syslog-auto at 256K (verified 2026-08-09).
                                   # Set 65536 if using gemma-4-12b directly (tight VRAM).
 
 fallback_providers:

infrastructure-monitoring.prose.md

@@ -7,13 +7,15 @@ description: >
   from nvidia-smi (.8, .110) and amdgpu_top (.15). LiteLLM metrics
   via existing /metrics Prometheus endpoint.
   
-  DEPLOYMENT STATUS (2026-07-09):
+  DEPLOYMENT STATUS (2026-08-09):
   ✅ Core stack deployed: Prometheus + Grafana + pve/node/docker exporters
-     (via proxmox-monitor contract). Grafana at :3001, 5 scrape targets active.
-  ❌ GPU exporters NOT deployed: gpu-exporter crash-loops on .15,
-     NVIDIA sidecar exporters (.8/.110:9400) never installed.
-     Router falls back to direct GPU /health probes.
-  ⚠️ This contract is target-state aspirational — not as-built.
+     (via proxmox-monitor contract). Grafana at :3001, all scrape targets active.
+  ✅ GPU exporters DEPLOYED: all 3 GPU hosts (.8/.110/.15) run exporters on
+     :9400 (nvidia_gpu_exporter / amdgpu exporter) — verified 200 on 2026-08-09.
+  ✅ LiteLLM /metrics scraping live (success_callback: prometheus; auth via
+     master key) + Alertmanager + Zulip bridge (alerts-infra) added 2026-08-09.
+  ⚠️ This contract is target-state aspirational — but GPU export + alerting
+     are now as-built (verified 2026-08-09).
      As-built GPU monitoring is via gpu-monitor contract (port 9100 poll).
 version: 1.0.0
 ---

litellm-health.prose.md

@@ -18,6 +18,15 @@ description: >
   Designed as a reusable contract for any Syslog agent.
   
   Source of truth: gpu-fleet.prose.md
+
+  ## Monitoring / Alerting (as-built 2026-08-09)
+
+  - LiteLLM /metrics scrape job: requires `litellm_settings.success_callback: [prometheus]`
+    (failure_callback alone does NOT mount /metrics — verified 2026-08-09).
+    Scraped by Prometheus with Bearer master key; endpoint returns 307 → /metrics/.
+  - Alertmanager (harness-alertmanager :9093) + zulip-bridge (:9102) deliver
+    firing alerts to #agent-hub > alerts-infra via abiba-bot. Added 2026-08-09.
+  - Prometheus node job covers ALL 6 PVE nodes (.4/.5/.6/.9/.12/.15:9100).
 ---
 
 ## Architecture (v4.0.0 — Direct: nginx → LiteLLM → GPU)