feat(route-optimizer): add configurable download and upload weights for bandwidth scoring in AI settings

frontend/src/SettingsPage.jsx

@@ -125,6 +125,8 @@ export default function SettingsPage() {
   const [aiLatencyWeight, setAiLatencyWeight] = useState('0.55');
   const [aiBandwidthWeight, setAiBandwidthWeight] = useState('0.35');
   const [aiFreshnessWeight, setAiFreshnessWeight] = useState('0.10');
+  const [aiDownloadWeight, setAiDownloadWeight] = useState('0.5');
+  const [aiUploadWeight, setAiUploadWeight] = useState('0.5');
   const [aiHomeToJhWeight, setAiHomeToJhWeight] = useState('0.45');
   const [aiJhToExitWeight, setAiJhToExitWeight] = useState('0.55');
   const [aiProbabilityScale, setAiProbabilityScale] = useState('5');
@@ -529,6 +531,12 @@ export default function SettingsPage() {
         setAiFreshnessWeight(
           ai?.freshnessWeight != null ? String(ai.freshnessWeight) : '0.10'
         );
+        setAiDownloadWeight(
+          ai?.downloadWeight != null ? String(ai.downloadWeight) : '0.5'
+        );
+        setAiUploadWeight(
+          ai?.uploadWeight != null ? String(ai.uploadWeight) : '0.5'
+        );
         setAiHomeToJhWeight(
           ai?.combineHomeToJumphostWeight != null
             ? String(ai.combineHomeToJumphostWeight)
@@ -773,6 +781,14 @@ export default function SettingsPage() {
           latencyWeight: Math.max(0, parseFloat(aiLatencyWeight) || 0.55),
           bandwidthWeight: Math.max(0, parseFloat(aiBandwidthWeight) || 0.35),
           freshnessWeight: Math.max(0, parseFloat(aiFreshnessWeight) || 0.1),
+          downloadWeight: Math.max(
+            0,
+            Number.isFinite(parseFloat(aiDownloadWeight)) ? parseFloat(aiDownloadWeight) : 0.5
+          ),
+          uploadWeight: Math.max(
+            0,
+            Number.isFinite(parseFloat(aiUploadWeight)) ? parseFloat(aiUploadWeight) : 0.5
+          ),
           combineHomeToJumphostWeight: Math.max(
             0,
             parseFloat(aiHomeToJhWeight) || 0.45
@@ -1585,6 +1601,34 @@ export default function SettingsPage() {
                     />
                   </div>
 
+                  <div className="col-12 mt-1"><h4 className="subheader">Баланс bandwidth (DL/UL)</h4></div>
+                  <div className="col-12 col-md-6">
+                    <FormField
+                      label="Вес Download (DL)"
+                      name="aiDownloadWeight"
+                      type="number"
+                      value={aiDownloadWeight}
+                      onChange={setAiDownloadWeight}
+                      helpText="Внутренний вес DL в bandwidth score сегмента."
+                      disabled={saving}
+                      min={0}
+                      step="0.01"
+                    />
+                  </div>
+                  <div className="col-12 col-md-6">
+                    <FormField
+                      label="Вес Upload (UL)"
+                      name="aiUploadWeight"
+                      type="number"
+                      value={aiUploadWeight}
+                      onChange={setAiUploadWeight}
+                      helpText="Внутренний вес UL в bandwidth score сегмента."
+                      disabled={saving}
+                      min={0}
+                      step="0.01"
+                    />
+                  </div>
+
                   <div className="col-12 mt-2"><h4 className="subheader">Сборка полного маршрута</h4></div>
                   <div className="col-12 col-md-6">
                     <FormField