chore: bootstrap lean sysadmin-chronicles repo

Import the runnable game code, content, docs, scripts, and repo guidance while leaving local agent state, dependency installs, build output, and backup copies out of the published tree.

content/pressure_profiles/disk_growth_slow.json

@@ -0,0 +1,25 @@
+{
+  "id": "disk_growth_slow",
+  "label": "Slow Disk Growth",
+  "description": "Low-burn escalation for disk pressure quests. Suitable when the service is still mostly up but capacity is eroding and the symptoms will worsen if ignored.",
+  "intensity": 1,
+  "escalation_steps": [
+    {
+      "trigger_after_seconds": 1200,
+      "notification": "Disk pressure is still building. Service is limping along, but it is not getting better on its own.",
+      "notification_severity": "warning"
+    },
+    {
+      "trigger_after_seconds": 2700,
+      "notification": "Capacity keeps shrinking. The linked ticket is being bumped so this does not sit forgotten.",
+      "notification_severity": "warning",
+      "escalate_linked_ticket": "high"
+    },
+    {
+      "trigger_after_seconds": 4500,
+      "notification": "The host is still under disk pressure. Expect broader service issues if this keeps drifting.",
+      "notification_severity": "error",
+      "escalate_linked_ticket": "critical"
+    }
+  ]
+}