metrics: phase 3 straylight/rift scrapes and hyperborea units

Review, no switch. node-laptop for talos/titan is excluded from
FleetTargetDown. llama-straylight scrape uses params.model for
ornith-1.5-35b-a3b (router 400 without it; will load if cold).

hw/orion/metrics.nix

@@ -32,6 +32,18 @@ in
           static_configs = [
             { targets = [ "127.0.0.1:9100" ]; labels = { host = "orion"; }; }
             { targets = [ "dixie:9100" ]; labels = { host = "dixie"; }; }
+            { targets = [ "straylight:9100" ]; labels = { host = "straylight"; }; }
+            { targets = [ "rift:9100" ]; labels = { host = "rift"; }; }
+            { targets = [ "hyperborea:9100" ]; labels = { host = "hyperborea"; }; }
+          ];
+        }
+        {
+          # Laptops sleep; scrape them but do not page on down.
+          job_name = "node-laptop";
+          scrape_interval = "30s";
+          static_configs = [
+            { targets = [ "talos:9100" ]; labels = { host = "talos"; }; }
+            { targets = [ "titan:9100" ]; labels = { host = "titan"; }; }
           ];
         }
         {
@@ -44,6 +56,14 @@ in
           params.model = [ "ornith-1.5-9b-uncensored" ];
           static_configs = [{ targets = [ "dixie:11434" ]; }];
         }
+        {
+          job_name = "llama-straylight";
+          metrics_path = "/metrics";
+          # Router mode 400 without a model. 35B is the usual resident; scrape
+          # will load it if cold — drop params after switch if that happens.
+          params.model = [ "ornith-1.5-35b-a3b" ];
+          static_configs = [{ targets = [ "straylight:11434" ]; }];
+        }
         {
           job_name = "tether";
           metrics_path = "/tether/metrics";
@@ -191,6 +211,20 @@ in
               labels.severity = "page";
               annotations.summary = "dixie GPU > 83C";
             }
+            {
+              alert = "StraylightAmdgpuHot";
+              expr = ''node_hwmon_temp_celsius{chip=~".*amdgpu.*"} > 90'';
+              for = "2m";
+              labels.severity = "page";
+              annotations.summary = "straylight amdgpu > 90C";
+            }
+            {
+              alert = "StraylightGttHigh";
+              expr = "(gtt_used_bytes / gtt_total_bytes) > 0.95";
+              for = "5m";
+              labels.severity = "page";
+              annotations.summary = "straylight GTT > 95%";
+            }
           ];
         }
         {
@@ -204,7 +238,7 @@ in
             }
             {
               alert = "FleetTargetDown";
-              expr = ''up{job=~"vm|node|nvidia-dixie|llama-dixie-helper|tether|sift|honcho-api|honcho-deriver"} == 0'';
+              expr = ''up{job=~"vm|node|nvidia-dixie|llama-dixie-helper|llama-straylight|tether|sift|honcho-api|honcho-deriver"} == 0'';
               for = "2m";
               labels.severity = "page";
               annotations.summary = "scrape target down ({{ $labels.job }} {{ $labels.instance }})";

hw/rift/default.nix

@@ -4,6 +4,7 @@
   imports = [
     ./hardware-configuration.nix
     ./disk-config.nix
+    ../../configs/metrics/exporters.nix
   ];
 
   config = {

hw/straylight/default.nix

@@ -205,6 +205,7 @@ in
     ./hardware-configuration.nix
     ../../configs/desktop.nix
     ../../configs/qemu.nix
+    ../../configs/metrics/straylight.nix
   ];
 
   config = {
@@ -257,6 +258,7 @@ in
             --port 11434 \
             --models-preset ${llamaModelsIni} \
             --models-max 3 \
+            --metrics \
             --timeout 7200
         '';
         User = "llama-server";