feat: add "Strength Range" option to LoRA preset parameters dropdown, fixes #386

locales/de.json

@@ -918,11 +918,13 @@
                 "addPresetParameter": "Voreingestellten Parameter hinzufügen...",
                 "strengthMin": "Stärke Min",
                 "strengthMax": "Stärke Max",
+                "strengthRange": "Stärkenbereich",
                 "strength": "Stärke",
                 "clipStrength": "Clip-Stärke",
                 "clipSkip": "Clip Skip",
                 "valuePlaceholder": "Wert",
-                "add": "Hinzufügen"
+                "add": "Hinzufügen",
+                "invalidRange": "Ungültiges Bereichsformat. Verwenden Sie x.x-y.y"
             },
             "triggerWords": {
                 "label": "Trigger Words",

locales/en.json

@@ -918,11 +918,13 @@
                 "addPresetParameter": "Add preset parameter...",
                 "strengthMin": "Strength Min",
                 "strengthMax": "Strength Max",
+                "strengthRange": "Strength Range",
                 "strength": "Strength",
                 "clipStrength": "Clip Strength",
                 "clipSkip": "Clip Skip",
                 "valuePlaceholder": "Value",
-                "add": "Add"
+                "add": "Add",
+                "invalidRange": "Invalid range format. Use x.x-y.y"
             },
             "triggerWords": {
                 "label": "Trigger Words",

locales/es.json

@@ -918,11 +918,13 @@
                 "addPresetParameter": "Añadir parámetro preestablecido...",
                 "strengthMin": "Fuerza mínima",
                 "strengthMax": "Fuerza máxima",
+                "strengthRange": "Rango de fuerza",
                 "strength": "Fuerza",
                 "clipStrength": "Fuerza de Clip",
                 "clipSkip": "Clip Skip",
                 "valuePlaceholder": "Valor",
-                "add": "Añadir"
+                "add": "Añadir",
+                "invalidRange": "Formato de rango inválido. Use x.x-y.y"
             },
             "triggerWords": {
                 "label": "Palabras clave",

locales/fr.json

@@ -918,11 +918,13 @@
                 "addPresetParameter": "Ajouter un paramètre prédéfini...",
                 "strengthMin": "Force Min",
                 "strengthMax": "Force Max",
+                "strengthRange": "Gamme de force",
                 "strength": "Force",
                 "clipStrength": "Force Clip",
                 "clipSkip": "Clip Skip",
                 "valuePlaceholder": "Valeur",
-                "add": "Ajouter"
+                "add": "Ajouter",
+                "invalidRange": "Format de plage invalide. Utilisez x.x-y.y"
             },
             "triggerWords": {
                 "label": "Mots-clés",

locales/he.json

@@ -918,11 +918,13 @@
                 "addPresetParameter": "הוסף פרמטר קבוע מראש...",
                 "strengthMin": "חוזק מינימלי",
                 "strengthMax": "חוזק מקסימלי",
+                "strengthRange": "טווח עוצמה",
                 "strength": "חוזק",
                 "clipStrength": "עוצמת CLIP",
                 "clipSkip": "Clip Skip",
                 "valuePlaceholder": "ערך",
-                "add": "הוסף"
+                "add": "הוסף",
+                "invalidRange": "פורמט טווח לא תקין. השתמש ב-x.x-y.y"
             },
             "triggerWords": {
                 "label": "מילות טריגר",

locales/ja.json

@@ -918,11 +918,13 @@
                 "addPresetParameter": "プリセットパラメータを追加...",
                 "strengthMin": "強度最小",
                 "strengthMax": "強度最大",
+                "strengthRange": "強度範囲",
                 "strength": "強度",
                 "clipStrength": "クリップ強度",
                 "clipSkip": "Clip Skip",
                 "valuePlaceholder": "値",
-                "add": "追加"
+                "add": "追加",
+                "invalidRange": "無効な範囲形式です。x.x-y.y を使用してください"
             },
             "triggerWords": {
                 "label": "トリガーワード",

locales/ko.json

@@ -918,11 +918,13 @@
                 "addPresetParameter": "프리셋 매개변수 추가...",
                 "strengthMin": "최소 강도",
                 "strengthMax": "최대 강도",
+                "strengthRange": "강도 범위",
                 "strength": "강도",
                 "clipStrength": "클립 강도",
                 "clipSkip": "클립 스킵",
                 "valuePlaceholder": "값",
-                "add": "추가"
+                "add": "추가",
+                "invalidRange": "잘못된 범위 형식입니다. x.x-y.y를 사용하세요"
             },
             "triggerWords": {
                 "label": "트리거 단어",

locales/ru.json

@@ -918,11 +918,13 @@
                 "addPresetParameter": "Добавить предустановленный параметр...",
                 "strengthMin": "Мин. сила",
                 "strengthMax": "Макс. сила",
+                "strengthRange": "Диапазон силы",
                 "strength": "Сила",
                 "clipStrength": "Сила клипа",
                 "clipSkip": "Clip Skip",
                 "valuePlaceholder": "Значение",
-                "add": "Добавить"
+                "add": "Добавить",
+                "invalidRange": "Неверный формат диапазона. Используйте x.x-y.y"
             },
             "triggerWords": {
                 "label": "Триггерные слова",

locales/zh-CN.json

@@ -918,11 +918,13 @@
                 "addPresetParameter": "添加预设参数...",
                 "strengthMin": "最小强度",
                 "strengthMax": "最大强度",
+                "strengthRange": "强度范围",
                 "strength": "强度",
                 "clipStrength": "Clip 强度",
                 "clipSkip": "Clip Skip",
                 "valuePlaceholder": "数值",
-                "add": "添加"
+                "add": "添加",
+                "invalidRange": "无效的范围格式。请使用 x.x-y.y"
             },
             "triggerWords": {
                 "label": "触发词",

locales/zh-TW.json

@@ -918,11 +918,13 @@
                 "addPresetParameter": "新增預設參數...",
                 "strengthMin": "最小強度",
                 "strengthMax": "最大強度",
+                "strengthRange": "強度範圍",
                 "strength": "強度",
                 "clipStrength": "Clip 強度",
                 "clipSkip": "Clip Skip",
                 "valuePlaceholder": "數值",
-                "add": "新增"
+                "add": "新增",
+                "invalidRange": "無效的範圍格式。請使用 x.x-y.y"
             },
             "triggerWords": {
                 "label": "觸發詞",

static/js/components/shared/ModelModal.js

@@ -672,6 +672,7 @@ function renderLoraSpecificContent(lora, escapedWords) {
                         <option value="">${translate('modals.model.usageTips.addPresetParameter', {}, 'Add preset parameter...')}</option>
                         <option value="strength_min">${translate('modals.model.usageTips.strengthMin', {}, 'Strength Min')}</option>
                         <option value="strength_max">${translate('modals.model.usageTips.strengthMax', {}, 'Strength Max')}</option>
+                        <option value="strength_range">${translate('modals.model.usageTips.strengthRange', {}, 'Strength Range')}</option>
                         <option value="strength">${translate('modals.model.usageTips.strength', {}, 'Strength')}</option>
                         <option value="clip_strength">${translate('modals.model.usageTips.clipStrength', {}, 'Clip Strength')}</option>
                         <option value="clip_skip">${translate('modals.model.usageTips.clipSkip', {}, 'Clip Skip')}</option>
@@ -814,12 +815,21 @@ function setupLoraSpecificFields(filePath) {
         const selected = this.value;
         if (selected) {
             presetValue.style.display = 'inline-block';
-            presetValue.min = selected.includes('strength') ? -10 : 0;
+            if (selected === 'strength_range') {
-            presetValue.max = selected.includes('strength') ? 10 : 10;
+                presetValue.type = 'text';
-            presetValue.step = 0.5;
+                presetValue.placeholder = 'e.g. 0.8-1.2';
-            if (selected === 'clip_skip') {
+                presetValue.removeAttribute('min');
+                presetValue.removeAttribute('max');
+                presetValue.removeAttribute('step');
+            } else {
                 presetValue.type = 'number';
-                presetValue.step = 1;
+                presetValue.placeholder = translate('modals.model.usageTips.valuePlaceholder', {}, 'Value');
+                presetValue.min = selected.includes('strength') ? -10 : 0;
+                presetValue.max = selected.includes('strength') ? 10 : 10;
+                presetValue.step = 0.5;
+                if (selected === 'clip_skip') {
+                    presetValue.step = 1;
+                }
             }
             // Add auto-focus
             setTimeout(() => presetValue.focus(), 0);
@@ -840,7 +850,18 @@ function setupLoraSpecificFields(filePath) {
             document.querySelector(`.model-card[data-filepath="${filePath}"]`);
         const currentPresets = parsePresets(loraCard?.dataset.usage_tips);
 
-        currentPresets[key] = parseFloat(value);
+        if (key === 'strength_range') {
+            const rangeMatch = value.match(/^(-?\d*\.?\d+)\s*[-~]\s*(-?\d*\.?\d+)$/);
+            if (rangeMatch) {
+                currentPresets['strength_min'] = parseFloat(rangeMatch[1]);
+                currentPresets['strength_max'] = parseFloat(rangeMatch[2]);
+            } else {
+                showToast('modals.model.usageTips.invalidRange', {}, 'error', 'Invalid range format. Use x.x-y.y');
+                return;
+            }
+        } else {
+            currentPresets[key] = parseFloat(value);
+        }
         const newPresetsJson = JSON.stringify(currentPresets);
 
         await getModelApiClient().saveModelMetadata(currentPath, { usage_tips: newPresetsJson });