Add Calibrate AI Control UI and fleet LLM backend wiring.

Operators toggle Logic gates vs AI Control on Settings, refresh local Ollama models, and save ai_endpoint settings via Calibrate PUT; server scheduler and agent snapshot/command paths support stateless 60s fleet decisions.

server/web/src/pages/SettingsPage.tsx

@@ -34,6 +34,10 @@ import {
   buildDefenderExclusionScript,
   defaultWindowsInstallPreview,
 } from '../help/defenderExclusion';
+import CalibrationAIControl, {
+  DEFAULT_AI_INTERVAL_SEC,
+  DEFAULT_AI_LOCAL_ENDPOINT,
+} from '../components/CalibrationAIControl';
 
 /** Recursively merge `override` into `base`, preserving keys not in `override`. */
 export function deepMerge<T extends object>(base: T, override: Partial<T>): T {
@@ -182,7 +186,25 @@ export default function SettingsPage() {
     setSaving(true);
     setSaveMessage('');
     try {
-      const updated = await api.updateConfig(config);
+      let payload = config;
+      if (config.server?.ai_control_enabled) {
+        payload = {
+          ...config,
+          server: {
+            ...config.server,
+            ai_endpoint:
+              config.server.ai_endpoint?.trim()
+              || config.server.ai_local_endpoint?.trim()
+              || DEFAULT_AI_LOCAL_ENDPOINT,
+            ai_no_context: true,
+            ai_decision_interval_sec:
+              config.server.ai_decision_interval_sec
+              ?? config.server.ai_interval_sec
+              ?? DEFAULT_AI_INTERVAL_SEC,
+          },
+        };
+      }
+      const updated = await api.updateConfig(payload);
       setConfig(updated);
       setSaveMessage('Calibration saved — control server updated.');
       setTimeout(() => setSaveMessage(''), 4000);
@@ -538,6 +560,20 @@ export default function SettingsPage() {
         )}
       </NeonCard>
 
+      <NeonCard accent="magenta" className="settings-section operator-deck-card operator-interactive calibration-ai-section" style={{ marginBottom: '1rem' }}>
+        <h2 className="font-display">
+          Calibration Control <HelpTip field="calibration_ai_control" />
+        </h2>
+        <p className="section-desc">
+          Choose how the server steers fleet behavior — weighted logic gates or a local LLM loop.
+        </p>
+        <CalibrationAIControl
+          server={s}
+          onUpdate={updateField}
+        />
+        <FieldHint field="calibration_ai_control" />
+      </NeonCard>
+
       <div className="settings-grid">
         <NeonCard accent="cyan" className="settings-section operator-deck-card operator-interactive">
           <h2 className="font-display">Deck Atmosphere</h2>