feat: add toggle to disable info-level anomalies (default off)

Plan exhaustion notifications were flooding the anomalies page.
Added enableInfoAnomalies setting with toggle in settings UI.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: ofershap

src/app/settings/settings-client.tsx

@@ -182,6 +182,15 @@ export function SettingsClient({ config: initial }: SettingsClientProps) {
           </div>
         </Section>
 
+        <Section title="Alerting Behavior" description="Control which anomaly types are generated">
+          <Toggle
+            label="Info-level anomalies"
+            description="Plan exhaustion notifications (can be noisy for large teams)"
+            checked={config.enableInfoAnomalies}
+            onChange={(v) => setConfig({ ...config, enableInfoAnomalies: v })}
+          />
+        </Section>
+
         <Section
           title="Team Budget Alert"
           description="Get notified when total team spend reaches this amount. Set to 0 to disable."
@@ -1221,6 +1230,42 @@ function Section({
   );
 }
 
+function Toggle({
+  label,
+  description,
+  checked,
+  onChange,
+}: {
+  label: string;
+  description?: string;
+  checked: boolean;
+  onChange: (v: boolean) => void;
+}) {
+  return (
+    <div className="flex items-center justify-between">
+      <div>
+        <span className="text-xs text-zinc-300">{label}</span>
+        {description && <p className="text-[10px] text-zinc-600">{description}</p>}
+      </div>
+      <button
+        type="button"
+        role="switch"
+        aria-checked={checked}
+        onClick={() => onChange(!checked)}
+        className={`relative inline-flex h-5 w-9 shrink-0 cursor-pointer rounded-full border-2 border-transparent transition-colors ${
+          checked ? "bg-blue-600" : "bg-zinc-700"
+        }`}
+      >
+        <span
+          className={`pointer-events-none inline-block h-4 w-4 rounded-full bg-white shadow transition-transform ${
+            checked ? "translate-x-4" : "translate-x-0"
+          }`}
+        />
+      </button>
+    </div>
+  );
+}
+
 function Field({
   label,
   value,

src/lib/anomaly/thresholds.ts

@@ -86,7 +86,7 @@ export function detectThresholdAnomalies(config: DetectionConfig): Anomaly[] {
   };
   const cycleStart = cycleStartRow?.cs;
 
-  if (cycleStart) {
+  if (cycleStart && config.enableInfoAnomalies) {
     const planExhausted = db
       .prepare(
         `SELECT du.email, m.name, MIN(du.date) as exhausted_on,

src/lib/db.ts

@@ -818,6 +818,7 @@ export function getConfig(): DetectionConfig {
     zscore: { ...DEFAULT_CONFIG.zscore, ...stored.zscore },
     trends: { ...DEFAULT_CONFIG.trends, ...stored.trends },
     cronIntervalMinutes: stored.cronIntervalMinutes ?? DEFAULT_CONFIG.cronIntervalMinutes,
+    enableInfoAnomalies: stored.enableInfoAnomalies ?? DEFAULT_CONFIG.enableInfoAnomalies,
   };
 }
 

src/lib/types.ts

@@ -393,6 +393,7 @@ export interface DetectionConfig {
     cycleOutlierMultiplier: number;
   };
   cronIntervalMinutes: number;
+  enableInfoAnomalies: boolean;
 }
 
 export const DEFAULT_CONFIG: DetectionConfig = {
@@ -410,4 +411,5 @@ export const DEFAULT_CONFIG: DetectionConfig = {
     cycleOutlierMultiplier: 10,
   },
   cronIntervalMinutes: 60,
+  enableInfoAnomalies: false,
 };