diff --git a/internal/config/metricSchema.go b/internal/config/metricSchema.go
index be6244f..89c6fbf 100644
--- a/internal/config/metricSchema.go
+++ b/internal/config/metricSchema.go
@@ -8,128 +8,19 @@ package config
 var metricConfigSchema = `
 {
   "type": "object",
-  "properties": {
-    "addr": {
-      "description": "Address where the http (or https) server will listen on (for example: 'localhost:80').",
-      "type": "string"
-    },
-    "api-allowed-ips": {
-      "description": "Addresses from which secured API endpoints can be reached",
-      "type": "array",
-      "items": {
+  "description": "Map of metric names to their configuration.",
+  "additionalProperties": {
+    "type": "object",
+    "properties": {
+      "frequency": {
+        "description": "Sampling frequency in seconds.",
+        "type": "integer"
+      },
+      "aggregation": {
+        "description": "Aggregation strategy: 'sum', 'avg', or 'null'.",
         "type": "string"
       }
     },
-    "user": {
-      "description": "Drop root permissions once .env was read and the port was taken. Only applicable if using privileged port.",
-      "type": "string"
-    },
-    "group": {
-      "description": "Drop root permissions once .env was read and the port was taken. Only applicable if using privileged port.",
-      "type": "string"
-    },
-    "disable-authentication": {
-      "description": "Disable authentication (for everything: API, Web-UI, ...).",
-      "type": "boolean"
-    },
-    "embed-static-files": {
-      "description": "If all files in web/frontend/public should be served from within the binary itself (they are embedded) or not.",
-      "type": "boolean"
-    },
-    "static-files": {
-      "description": "Folder where static assets can be found, if embed-static-files is false.",
-      "type": "string"
-    },
-    "db": {
-      "description": "Path to SQLite database file (e.g., './var/job.db')",
-      "type": "string"
-    },
-    "enable-job-taggers": {
-      "description": "Turn on automatic application and jobclass taggers",
-      "type": "boolean"
-    },
-    "validate": {
-      "description": "Validate all input json documents against json schema.",
-      "type": "boolean"
-    },
-    "session-max-age": {
-      "description": "Specifies for how long a session shall be valid  as a string parsable by time.ParseDuration(). If 0 or empty, the session/token does not expire!",
-      "type": "string"
-    },
-    "https-cert-file": {
-      "description": "Filepath to SSL certificate. If also https-key-file is set use HTTPS using those certificates.",
-      "type": "string"
-    },
-    "https-key-file": {
-      "description": "Filepath to SSL key file. If also https-cert-file is set use HTTPS using those certificates.",
-      "type": "string"
-    },
-    "redirect-http-to": {
-      "description": "If not the empty string and addr does not end in :80, redirect every request incoming at port 80 to that url.",
-      "type": "string"
-    },
-    "stop-jobs-exceeding-walltime": {
-      "description": "If not zero, automatically mark jobs as stopped running X seconds longer than their walltime. Only applies if walltime is set for job.",
-      "type": "integer"
-    },
-    "short-running-jobs-duration": {
-      "description": "Do not show running jobs shorter than X seconds.",
-      "type": "integer"
-    },
-    "emission-constant": {
-      "description": ".",
-      "type": "integer"
-    },
-    "cron-frequency": {
-      "description": "Frequency of cron job workers.",
-      "type": "object",
-      "properties": {
-        "duration-worker": {
-          "description": "Duration Update Worker [Defaults to '5m']",
-          "type": "string"
-        },
-        "footprint-worker": {
-          "description": "Metric-Footprint Update Worker [Defaults to '10m']",
-          "type": "string"
-        }
-      }
-    },
-    "enable-resampling": {
-      "description": "Enable dynamic zoom in frontend metric plots.",
-      "type": "object",
-      "properties": {
-        "minimum-points": {
-          "description": "Minimum points to trigger resampling of time-series data.",
-          "type": "integer"
-        },
-        "trigger": {
-          "description": "Trigger next zoom level at less than this many visible datapoints.",
-          "type": "integer"
-        },
-        "resolutions": {
-          "description": "Array of resampling target resolutions, in seconds.",
-          "type": "array",
-          "items": {
-            "type": "integer"
-          }
-        }
-      },
-      "required": ["trigger", "resolutions"]
-    },
-    "api-subjects": {
-      "description": "NATS subjects configuration for subscribing to job and node events.",
-      "type": "object",
-      "properties": {
-        "subject-job-event": {
-          "description": "NATS subject for job events (start_job, stop_job)",
-          "type": "string"
-        },
-        "subject-node-state": {
-          "description": "NATS subject for node state updates",
-          "type": "string"
-        }
-      },
-      "required": ["subject-job-event", "subject-node-state"]
-    }
+    "required": ["frequency", "aggregation"]
   }
 }`