fix(fc-ttsreader): lower web cpu request

JSON-provisioned dashboard for FlowerCore.RemoteDesktop session metrics,
matches the Apr 23 staging done in the codex/ttsreader-release-b6ca2d5
worktree. Drop into apps/monitoring so ArgoCD-managed Grafana provisioning
picks it up alongside the other FC service dashboards.

apps/fc-ttsreader/fc-ttsreader.yaml

@@ -519,7 +519,7 @@ spec:
         fsGroupChangePolicy: OnRootMismatch
       containers:
         - name: web
-          image: localhost/fc-ttsreader-web:v202604291817
+          image: localhost/fc-ttsreader-web:v202604301236-b6ca2d5
           imagePullPolicy: Never
           ports:
             - containerPort: 5217
@@ -537,6 +537,8 @@ spec:
               value: "/usr/bin/ffmpeg"
             - name: TtsReader__Bible__CorpusRoot
               value: "/data/corpus-cache/world-english-bible/eng/usx"
+            - name: TtsReader__ChapterContext__DatabasePath
+              value: "/data/chapter-context.db"
             - name: TtsReader__Jobs__Root
               value: "/data/jobs"
             - name: TtsReader__Piper__Host
@@ -609,7 +611,10 @@ spec:
                   optional: true
           resources:
             requests:
-              cpu: 100m
+              # The cluster is currently saturated on requested CPU by
+              # remotedesktop workloads even when real usage is low.
+              # Keep the web frontend schedulable under that pressure.
+              cpu: 10m
               memory: 256Mi
             limits:
               cpu: 500m

apps/monitoring/flowercore-remotedesktop-grafana-dashboard.json

@@ -0,0 +1,226 @@
+{
+  "annotations": {
+    "list": []
+  },
+  "editable": true,
+  "fiscalYearStartMonth": 0,
+  "graphTooltip": 0,
+  "id": null,
+  "links": [],
+  "panels": [
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "unit": "short"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 0,
+        "y": 0
+      },
+      "id": 1,
+      "options": {
+        "legend": {
+          "displayMode": "table",
+          "placement": "bottom"
+        },
+        "tooltip": {
+          "mode": "single"
+        }
+      },
+      "targets": [
+        {
+          "editorMode": "code",
+          "expr": "sum by (event) (increase(fc_desktop_session_events_total[$__rate_interval]))",
+          "legendFormat": "{{event}}",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "RemoteDesktop Session Events",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "unit": "short"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 12,
+        "y": 0
+      },
+      "id": 2,
+      "options": {
+        "orientation": "auto",
+        "reduceOptions": {
+          "calcs": [
+            "lastNotNull"
+          ],
+          "fields": "",
+          "values": false
+        },
+        "showUnfilled": true
+      },
+      "targets": [
+        {
+          "editorMode": "code",
+          "expr": "sum by (template, event) (increase(fc_desktop_session_events_total[24h]))",
+          "legendFormat": "{{template}} {{event}}",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "24h Session Events By Template",
+      "type": "bargauge"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "unit": "short"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 0,
+        "y": 8
+      },
+      "id": 3,
+      "options": {
+        "legend": {
+          "displayMode": "table",
+          "placement": "bottom"
+        },
+        "tooltip": {
+          "mode": "single"
+        }
+      },
+      "targets": [
+        {
+          "editorMode": "code",
+          "expr": "fc_desktop_pool_ready",
+          "legendFormat": "{{template}} ready",
+          "range": true,
+          "refId": "A"
+        },
+        {
+          "editorMode": "code",
+          "expr": "fc_desktop_pool_desired",
+          "legendFormat": "{{template}} desired",
+          "range": true,
+          "refId": "B"
+        }
+      ],
+      "title": "Warm Pool Ready vs Desired",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "orange",
+                "value": 1
+              }
+            ]
+          },
+          "unit": "short"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 12,
+        "y": 8
+      },
+      "id": 4,
+      "options": {
+        "colorMode": "value",
+        "graphMode": "none",
+        "justifyMode": "auto",
+        "orientation": "auto",
+        "reduceOptions": {
+          "calcs": [
+            "lastNotNull"
+          ],
+          "fields": "",
+          "values": false
+        },
+        "textMode": "auto"
+      },
+      "targets": [
+        {
+          "editorMode": "code",
+          "expr": "sum(increase(fc_desktop_session_events_total{event=\"connect\",browser_datasource=\"json\"}[24h])) - sum(increase(fc_desktop_session_events_total{event=\"disconnect\"}[24h]))",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "24h Connect Minus Disconnect",
+      "type": "stat"
+    }
+  ],
+  "refresh": "30s",
+  "schemaVersion": 39,
+  "style": "dark",
+  "tags": [
+    "flowercore",
+    "remotedesktop",
+    "guacamole"
+  ],
+  "templating": {
+    "list": []
+  },
+  "time": {
+    "from": "now-24h",
+    "to": "now"
+  },
+  "timezone": "browser",
+  "title": "FlowerCore RemoteDesktop",
+  "uid": "flowercore-remotedesktop",
+  "version": 1
+}