Add the issue of fixing the confidence level

generated_sign_video/GOOD_MORNING_AFTERNOON_25073_36863_01435_20250804_214708.mp4

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:11c9bec1c44c66b4e8a914f4cf3f08bdfbc0f0ed7a476c6aa73cc8129c6df552
-size 1669008

generated_sign_video/GOOD_MORNING_AFTERNOON_25073_36863_01435_20250804_214708_combined.mp4

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9601bc572dc3c58fe6bdb055b1254c580fb7f33642e3313d81b06598a349d980
-size 2054929

gloss2pose.py

@@ -330,7 +330,9 @@ class SignLanguageQA:
         frame_keys = [k for k in npz_data.keys() if k.startswith('frame_') and k.endswith('_bodies')]
         return len(frame_keys)
 
-    def create_pose_frame(self, frame_data, width=480, height=480, scale_x=1.0, scale_y=1.0, hide_torso_lines=False, y_offset=0, draw_style='controlnext'):
+    def create_pose_frame(self, frame_data, width=480, height=480, scale_x=1.0, scale_y=1.0,
+                          hide_torso_lines=False, y_offset=0, draw_style='controlnext',
+                          conf_threshold=0.6):
         """Create single frame pose image with progressive scaling and optional y offset
 
         Args:
@@ -346,7 +348,7 @@ class SignLanguageQA:
                 frame_data = self.apply_y_offset(frame_data, y_offset)
 
             if draw_style == 'openpose':
-                filtered_frame = self.filter_pose_for_openpose(frame_data, conf_threshold=0.6, update_subset=True)
+                filtered_frame = self.filter_pose_for_openpose(frame_data, conf_threshold=conf_threshold, update_subset=True)
                 # Use OpenPose style (simpler, no processing needed)
                 vis_img = draw_pose_openpose(
                     pose=filtered_frame,
@@ -354,11 +356,11 @@ class SignLanguageQA:
                     width=width,
                     include_face=True,
                     include_hands=True,
-                    conf_threshold=0.6
+                    conf_threshold=conf_threshold
                 )
                 return vis_img
             else:
-                filtered_frame = self.filter_pose_for_openpose(frame_data, conf_threshold=0.6, update_subset=False)
+                filtered_frame = self.filter_pose_for_openpose(frame_data, conf_threshold=conf_threshold, update_subset=False)
                 # Use ControlNeXt style (default, with advanced features)
                 processed_pred = process_pose_data(filtered_frame, height, width)
 
@@ -958,8 +960,8 @@ class SignLanguageQA:
 
     def generate_video_from_glosses(self, gloss_list, output_path, fps=30, width=480, height=480,
                                     smoothing_frames=5, smoothing_method='none', npz_interpolation_frames=0,
-                                    scale_x=1.0, scale_y=1.0, hide_torso_lines=False, ref_image_path=None, draw_style='controlnext',
-                                    normalize_pose=True):
+                                    scale_x=1.0, scale_y=1.0, hide_torso_lines=False, ref_image_path=None,
+                                    draw_style='controlnext', normalize_pose=True, draw_conf_threshold=0.6):
         """Generate video from gloss list with optional progressive scaling and head alignment
 
         Args:
@@ -1068,7 +1070,11 @@ class SignLanguageQA:
                             y_offset = ref_head_top - current_head_top
                             print(f"📐 Calculated Y offset: {y_offset:.2f}")
 
-                    pose_frame = self.create_pose_frame(frame_data, width, height, scale_x, scale_y, hide_torso_lines, y_offset, draw_style)
+                    pose_frame = self.create_pose_frame(
+                        frame_data, width, height, scale_x, scale_y,
+                        hide_torso_lines, y_offset, draw_style,
+                        conf_threshold=draw_conf_threshold
+                    )
                     if pose_frame is not None:
                         gloss_frames.append(pose_frame)
 
@@ -1133,7 +1139,11 @@ class SignLanguageQA:
                             
                             # Create visual frame
                             if frame_data:
-                                pose_frame = self.create_pose_frame(frame_data, width, height, scale_x, scale_y, hide_torso_lines, y_offset, draw_style)
+                                pose_frame = self.create_pose_frame(
+                                    frame_data, width, height, scale_x, scale_y,
+                                    hide_torso_lines, y_offset, draw_style,
+                                    conf_threshold=draw_conf_threshold
+                                )
                                 if pose_frame is not None:
                                     interpolated_pose_frames.append(pose_frame)
                     
@@ -1496,8 +1506,8 @@ def main():
                         help='Smoothing frames (default: 5)')
     parser.add_argument('--npz-interpolation', type=int, default=0,
                         help='Number of NPZ interpolation frames between glosses (default: 0)')
-    parser.add_argument('--scale-x', type=float, default=1.5,
-                        help='Progressive X-axis scaling factor (default: 1.5)')
+    parser.add_argument('--scale-x', type=float, default=1.4,
+                        help='Progressive X-axis scaling factor (default: 1.4)')
     parser.add_argument('--scale-y', type=float, default=1.5,
                         help='Progressive Y-axis scaling factor (default: 1.5)')
     parser.add_argument('--hide-torso-lines', type=str, choices=['true', 'false'], default='false',
@@ -1506,6 +1516,8 @@ def main():
                         help='Reference image path for head alignment')
     parser.add_argument('--draw-style', type=str, choices=['controlnext', 'openpose'], default='controlnext',
                         help='Drawing style for pose visualization. controlnext: advanced features with confidence-based coloring. openpose: simpler classic style. (default: controlnext)')
+    parser.add_argument('--draw-threshold', type=float, default=0.6,
+                        help='Confidence threshold for drawing joints (default: 0.6)')
     parser.add_argument('--normalize-pose', type=str, choices=['true', 'false'], default='true',
                         help='Normalize pose data to standard coordinate system. This ensures different videos are in the same coordinate space, reducing inconsistency from different video sources. (default: true)')
     parser.add_argument('--max-candidates', type=int, default=10,
@@ -1554,7 +1566,8 @@ def main():
             gloss_list, output_file, args.fps, args.width, args.height,
             args.smoothing_frames, args.smoothing, args.npz_interpolation,
             args.scale_x, args.scale_y, args.hide_torso_lines == 'true',
-            args.ref_image_path, args.draw_style, args.normalize_pose == 'true'
+            args.ref_image_path, args.draw_style, args.normalize_pose == 'true',
+            args.draw_threshold
         )
 
         if not success:

index.js

@@ -96,8 +96,13 @@ function ensureStyles() {
             gap: 12px;
             margin-bottom: 15px;
         }
-        .stable-control-header button {
-            flex: none;
+        .stable-control-actions {
+            display: flex;
+            gap: 10px;
+            flex: 1;
+        }
+        .stable-control-actions button {
+            flex: 1;
         }
         .stable-status-chip {
             font-size: 13px;
@@ -155,10 +160,15 @@ function ensureStyles() {
         }
         .stable-advanced-grid {
             margin-top: 12px;
-            display: grid;
-            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
+            display: flex;
+            flex-wrap: wrap;
             gap: 12px;
         }
+        .stable-advanced-grid .form-group,
+        .stable-advanced-grid .stable-switch {
+            flex: 1 1 calc(50% - 12px);
+            min-width: 180px;
+        }
         .stable-switch {
             display: flex;
             align-items: center;
@@ -264,28 +274,31 @@ export default class StableSignerPlugin extends ControlWavePlugin {
                     <div class="stable-video-frame">
                         <video id="stable-video" controls playsinline loop muted></video>
                         <div id="stable-video-placeholder" class="stable-video-placeholder">
-                            生成的 pose 视频将显示在这里
+                            Generated pose video will appear here
                         </div>
                     </div>
                     <div class="stable-video-controls">
                         <select id="stable-video-select">
-                            <option value="">选择最近生成的视频</option>
+                            <option value="">Select recently generated video</option>
                         </select>
-                        <button id="stable-video-refresh" class="btn secondary">刷新</button>
+                        <button id="stable-video-refresh" class="btn secondary">Refresh</button>
                     </div>
                     <div class="stable-meta" id="stable-video-meta">
-                        等待生成视频...
+                        Waiting for generated video...
                     </div>
                 </div>
                 <div class="stable-signer-right">
                     <div class="stable-control-header">
-                        <button id="stable-translate" class="btn secondary">翻译 Prompt → Gloss</button>
+                        <div class="stable-control-actions">
+                            <button id="stable-prewarm" class="btn secondary">Prewarm</button>
+                            <button id="stable-translate" class="btn secondary">Translate Prompt → Gloss</button>
+                        </div>
                         <span class="stable-status-chip" id="stable-status">Idle</span>
                     </div>
                     <div class="form-group">
                         <label>Prompt / Text</label>
-                        <textarea id="stable-prompt-text" placeholder="描述你想要的动作或上下文，系统会自动翻译为 Gloss"></textarea>
-                        <div class="stable-hint">输入内容会自动翻译并填入下方的大写 Gloss，可继续手动编辑</div>
+                        <textarea id="stable-prompt-text" placeholder="Describe the action or context; the system will translate it to gloss."></textarea>
+                        <div class="stable-hint">Input text auto-translates and fills the uppercase gloss field below (still editable).</div>
                         <div class="form-group" style="margin-top:8px;font-size:13px;color:#475569;">
                             <div>Prompt samples (from prompt2gloss training data):</div>
                             <div>1. Can you instruct me to say &lsquo;We&rsquo;re going to work on a arm drill that will help you have graceful hand movements in front of you.&rsquo; in sign language?</div>
@@ -300,37 +313,37 @@ export default class StableSignerPlugin extends ControlWavePlugin {
                         </div>
                     </div>
                     <div class="form-group" style="margin-top:4px;">
-                        <button id="stable-generate" class="btn primary" style="width:100%;">生成 Pose Video</button>
+                        <button id="stable-generate" class="btn primary" style="width:100%;">Generate Pose Video</button>
                     </div>
                     <div class="form-group">
-                        <label>Gloss 序列（自动生成，可手动编辑）</label>
-                        <textarea id="stable-gloss" placeholder="示例：YOU WANT DRINK WATER"></textarea>
+                        <label>Gloss sequence (auto generated, editable)</label>
+                        <textarea id="stable-gloss" placeholder="Example: I NEED HELP PLEASE"></textarea>
                         <div class="form-group" style="margin-top:8px;font-size:13px;color:#475569;">
-                            <div>示例：</div>
+                            <div>Examples:</div>
                             <div>1. HELLO WORLD</div>
-                            <div>2. YOU WANT DRINK WATER</div>
+                            <div>2. I NEED HELP PLEASE</div>
                             <div>3. TODAY WEATHER NICE</div>
                             <div>4. I GO SCHOOL LATER</div>
                         </div>
                     </div>
                     <div class="form-group">
-                        <label>复用已有视频（路径或文件名，可选）</label>
-                        <input id="stable-existing-video" type="text" placeholder="如：generated_pose_video/EXAMPLE.mp4">
+                        <label>Reuse existing video (path or filename, optional)</label>
+                        <input id="stable-existing-video" type="text" placeholder="e.g., generated_pose_video/EXAMPLE.mp4">
                     </div>
                     <details class="stable-advanced">
-                        <summary>高级设置</summary>
+                        <summary>Advanced Settings</summary>
                         <div class="stable-advanced-grid">
                             <div class="form-group">
                                 <label>FPS</label>
                                 <input id="stable-fps" type="number" min="5" max="60" value="30">
                             </div>
                             <div class="form-group">
-                                <label>宽度</label>
-                                <input id="stable-width" type="number" min="256" max="1024" value="480">
+                                <label>Width</label>
+                                <input id="stable-width" type="number" min="256" max="1024" value="512">
                             </div>
                             <div class="form-group">
-                                <label>高度</label>
-                                <input id="stable-height" type="number" min="256" max="1024" value="480">
+                                <label>Height</label>
+                                <input id="stable-height" type="number" min="256" max="1024" value="512">
                             </div>
                             <div class="form-group">
                                 <label>Smoothing</label>
@@ -343,15 +356,15 @@ export default class StableSignerPlugin extends ControlWavePlugin {
                             </div>
                             <div class="form-group">
                                 <label>Smoothing Frames</label>
-                                <input id="stable-smoothing-frames" type="number" min="0" max="60" value="5">
+                                <input id="stable-smoothing-frames" type="number" min="0" max="60" value="0">
                             </div>
                             <div class="form-group">
                                 <label>NPZ Interp Frames</label>
-                                <input id="stable-npz" type="number" min="0" max="60" value="0">
+                                <input id="stable-npz" type="number" min="0" max="60" value="20">
                             </div>
                             <div class="form-group">
                                 <label>Scale X</label>
-                                <input id="stable-scale-x" type="number" step="0.1" value="1.5">
+                                <input id="stable-scale-x" type="number" step="0.1" value="1.4">
                             </div>
                             <div class="form-group">
                                 <label>Scale Y</label>
@@ -360,10 +373,14 @@ export default class StableSignerPlugin extends ControlWavePlugin {
                             <div class="form-group">
                                 <label>Draw Style</label>
                                 <select id="stable-draw-style">
-                                    <option value="controlnext">ControlNeXt</option>
                                     <option value="openpose">OpenPose</option>
+                                    <option value="controlnext">ControlNeXt</option>
                                 </select>
                             </div>
+                            <div class="form-group">
+                                <label>Draw Confidence Threshold</label>
+                                <input id="stable-draw-threshold" type="number" min="0" max="1" step="0.05" value="0.6">
+                            </div>
                             <div class="form-group">
                                 <label>Max Candidates</label>
                                 <input id="stable-max-candidates" type="number" min="0" value="10">
@@ -373,22 +390,22 @@ export default class StableSignerPlugin extends ControlWavePlugin {
                                 <input id="stable-max-new" type="number" min="8" max="256" value="64">
                             </div>
                             <div class="form-group">
-                                <label>参考图像路径 (可选)</label>
+                                <label>Reference image path (optional)</label>
                                 <input id="stable-ref-image" type="text" placeholder="ref_img_dict/example.png">
                             </div>
                             <label class="stable-switch">
                                 <input type="checkbox" id="stable-normalize" checked>
-                                归一化姿态
+                                Normalize pose
                             </label>
                             <label class="stable-switch">
                                 <input type="checkbox" id="stable-hide-torso">
-                                隐藏躯干线
+                                Hide torso lines
                             </label>
                         </div>
                     </details>
                     <div class="stable-logs">
-                        <label>日志输出</label>
-                        <pre id="stable-logs">(等待任务...)</pre>
+                        <label>Log output</label>
+                        <pre id="stable-logs">(waiting for task...)</pre>
                     </div>
                 </div>
             </div>
@@ -401,6 +418,7 @@ export default class StableSignerPlugin extends ControlWavePlugin {
         this.videoSelect = container.querySelector('#stable-video-select');
         this.videoRefreshBtn = container.querySelector('#stable-video-refresh');
         this.videoMeta = container.querySelector('#stable-video-meta');
+        this.prewarmBtn = container.querySelector('#stable-prewarm');
         this.translateBtn = container.querySelector('#stable-translate');
         this.generateBtn = container.querySelector('#stable-generate');
         this.statusChip = container.querySelector('#stable-status');
@@ -416,6 +434,7 @@ export default class StableSignerPlugin extends ControlWavePlugin {
         this.scaleXInput = container.querySelector('#stable-scale-x');
         this.scaleYInput = container.querySelector('#stable-scale-y');
         this.drawStyleSelect = container.querySelector('#stable-draw-style');
+        this.drawThresholdInput = container.querySelector('#stable-draw-threshold');
         this.maxCandidatesInput = container.querySelector('#stable-max-candidates');
         this.maxNewTokensInput = container.querySelector('#stable-max-new');
         this.refImageInput = container.querySelector('#stable-ref-image');
@@ -428,6 +447,7 @@ export default class StableSignerPlugin extends ControlWavePlugin {
     }
 
     attachEvents() {
+        this.prewarmBtn.addEventListener('click', () => this.handlePrewarm());
         this.translateBtn.addEventListener('click', () => this.handleTranslate());
         this.generateBtn.addEventListener('click', () => this.handleGenerate());
         this.videoRefreshBtn.addEventListener('click', () => this.refreshRecentVideos());
@@ -456,14 +476,15 @@ export default class StableSignerPlugin extends ControlWavePlugin {
             gloss: glossValue,
             existingVideo: this.existingInput.value,
             fps: toInt(this.fpsInput.value, 30),
-            width: toInt(this.widthInput.value, 480),
-            height: toInt(this.heightInput.value, 480),
+            width: toInt(this.widthInput.value, 512),
+            height: toInt(this.heightInput.value, 512),
             smoothing: this.smoothingSelect.value,
-            smoothingFrames: toInt(this.smoothingFramesInput.value, 5),
-            npzInterpolation: toInt(this.npzInput.value, 0),
-            scaleX: toFloat(this.scaleXInput.value, 1.5),
+            smoothingFrames: toInt(this.smoothingFramesInput.value, 0),
+            npzInterpolation: toInt(this.npzInput.value, 20),
+            scaleX: toFloat(this.scaleXInput.value, 1.4),
             scaleY: toFloat(this.scaleYInput.value, 1.5),
             drawStyle: this.drawStyleSelect.value,
+            drawConfidenceThreshold: toFloat(this.drawThresholdInput.value, 0.6),
             maxCandidates: toInt(this.maxCandidatesInput.value, 10),
             maxNewTokens: toInt(this.maxNewTokensInput.value, 64),
             refImagePath: this.refImageInput.value,
@@ -474,13 +495,13 @@ export default class StableSignerPlugin extends ControlWavePlugin {
 
     async handleGenerate() {
         if (!window.controlWaveWebSocket || !window.controlWaveWebSocket.sendRequest) {
-            this.updateStatus('WebSocket 未就绪');
+            this.updateStatus('WebSocket not ready');
             return;
         }
         const payload = this.collectPayload();
         if (!payload.gloss && !payload.text) {
-            this.updateStatus('请输入 Prompt/Text 或 Gloss');
-            this.logsPre.textContent = 'Prompt/Text 或 Gloss 不能为空';
+            this.updateStatus('Enter Prompt/Text or Gloss');
+            this.logsPre.textContent = 'Prompt/Text or Gloss cannot be empty';
             return;
         }
         if (!payload.gloss && payload.text) {
@@ -489,8 +510,8 @@ export default class StableSignerPlugin extends ControlWavePlugin {
                 payload.gloss = (this.glossInput.value || '').trim();
             } catch (error) {
                 console.error('[StableSigner] auto translation failed', error);
-                this.updateStatus('Gloss 翻译失败');
-                this.logsPre.textContent = (error && error.message) ? error.message : 'Prompt → Gloss 翻译失败';
+                this.updateStatus('Gloss translation failed');
+                this.logsPre.textContent = (error && error.message) ? error.message : 'Prompt → Gloss translation failed';
                 return;
             }
         }
@@ -538,15 +559,40 @@ export default class StableSignerPlugin extends ControlWavePlugin {
         }
     }
 
+    async handlePrewarm() {
+        if (!window.controlWaveWebSocket || !window.controlWaveWebSocket.sendRequest) {
+            this.updateStatus('WebSocket not ready');
+            return;
+        }
+        this.updateStatus('Prewarming...');
+        this.setPrewarmLoading(true);
+        try {
+            const response = await window.controlWaveWebSocket.sendRequest(this.id, {
+                action: 'prewarm',
+                data: {}
+            });
+            const message = response.message || 'Prewarm completed';
+            const logs = response.logs || response.details || message;
+            this.logsPre.textContent = logs;
+            this.updateStatus('Prewarm completed');
+        } catch (error) {
+            console.error('[StableSigner] prewarm failed', error);
+            this.logsPre.textContent = (error && error.message) ? error.message : 'Prewarm failed';
+            this.updateStatus('Prewarm failed');
+        } finally {
+            this.setPrewarmLoading(false);
+        }
+    }
+
     async handleTranslate(isAuto = false) {
         const promptText = (this.promptTextInput.value || '').trim();
         const maxTokens = toInt(this.maxNewTokensInput.value, 64);
         if (!promptText) {
             if (!isAuto) {
-                this.updateStatus('Prompt/Text 为空');
-                this.logsPre.textContent = '请输入需要翻译的 Prompt 或 Text';
+                this.updateStatus('Prompt/Text is empty');
+                this.logsPre.textContent = 'Please enter a Prompt or Text to translate';
             }
-            throw new Error('Prompt/Text 输入为空');
+            throw new Error('Prompt/Text is empty');
         }
         if (!isAuto) {
             this.updateStatus('Translating...');
@@ -556,8 +602,8 @@ export default class StableSignerPlugin extends ControlWavePlugin {
             const gloss = await this.translatePromptToGloss(promptText, maxTokens);
             this.glossInput.value = gloss;
             if (!isAuto) {
-                this.updateStatus('Gloss 翻译完成');
-                this.logsPre.textContent = `翻译结果: ${gloss}`;
+                this.updateStatus('Gloss translation completed');
+                this.logsPre.textContent = `Translation result: ${gloss}`;
             }
             return gloss;
         } finally {
@@ -569,7 +615,7 @@ export default class StableSignerPlugin extends ControlWavePlugin {
 
     async translatePromptToGloss(promptText, maxNewTokens) {
         if (!promptText) {
-            throw new Error('Prompt/Text 输入为空');
+            throw new Error('Prompt/Text is empty');
         }
         const response = await window.controlWaveWebSocket.sendRequest(this.id, {
             action: 'prompt_to_gloss',
@@ -580,7 +626,7 @@ export default class StableSignerPlugin extends ControlWavePlugin {
             }
         });
         if (!response || response.status !== 'success' || !response.gloss) {
-            throw new Error(response?.message || 'Gloss 翻译失败');
+            throw new Error(response?.message || 'Gloss translation failed');
         }
         return response.gloss;
     }
@@ -600,7 +646,7 @@ export default class StableSignerPlugin extends ControlWavePlugin {
         };
 
         this.videoPlaceholder.style.display = 'flex';
-        this.videoPlaceholder.textContent = '正在加载视频…';
+        this.videoPlaceholder.textContent = 'Loading video…';
         this.videoEl.style.display = 'none';
         resetVideoEl();
 
@@ -628,14 +674,14 @@ export default class StableSignerPlugin extends ControlWavePlugin {
                 if (playPromise && typeof playPromise.catch === 'function') {
                     playPromise.catch(() => {});
                 }
-                this.videoMeta.textContent = `视频: ${path || absoluteUrl}`;
+                this.videoMeta.textContent = `Video: ${path || absoluteUrl}`;
             };
 
             this.videoEl.onerror = () => {
                 this.videoEl.onloadeddata = null;
                 this.videoEl.onerror = null;
                 this.videoPlaceholder.style.display = 'flex';
-                this.videoPlaceholder.textContent = '视频加载失败';
+                this.videoPlaceholder.textContent = 'Video load failed';
                 const mediaError = this.videoEl.error;
                 console.error('[StableSigner] video load error', mediaError ? {
                     code: mediaError.code,
@@ -648,14 +694,14 @@ export default class StableSignerPlugin extends ControlWavePlugin {
         } catch (error) {
             resetVideoEl();
             this.videoPlaceholder.style.display = 'flex';
-            this.videoPlaceholder.textContent = '视频加载失败';
+            this.videoPlaceholder.textContent = 'Video load failed';
             console.error('[StableSigner] video fetch failed', error);
         }
     }
 
     async refreshRecentVideos() {
         if (!window.controlWaveWebSocket || !window.controlWaveWebSocket.sendRequest) {
-            this.updateStatus('等待 WebSocket...');
+            this.updateStatus('Waiting for WebSocket...');
             return;
         }
         try {
@@ -664,12 +710,12 @@ export default class StableSignerPlugin extends ControlWavePlugin {
             });
             this.populateRecentVideos(response.videos || []);
         } catch (error) {
-            this.videoMeta.textContent = `无法刷新视频列表: ${error.message}`;
+            this.videoMeta.textContent = `Failed to refresh video list: ${error.message}`;
         }
     }
 
     populateRecentVideos(videos) {
-        this.videoSelect.innerHTML = '<option value="">选择最近生成的视频</option>';
+        this.videoSelect.innerHTML = '<option value="">Select recently generated video</option>';
         videos.forEach(video => {
             const option = document.createElement('option');
             option.value = video.url;
@@ -691,13 +737,19 @@ export default class StableSignerPlugin extends ControlWavePlugin {
 
     setLoading(isLoading) {
         this.generateBtn.disabled = isLoading;
-        this.generateBtn.textContent = isLoading ? '生成中...' : '生成 Pose Video';
+        this.generateBtn.textContent = isLoading ? 'Generating...' : 'Generate Pose Video';
+    }
+
+    setPrewarmLoading(isLoading) {
+        if (!this.prewarmBtn) return;
+        this.prewarmBtn.disabled = isLoading;
+        this.prewarmBtn.textContent = isLoading ? 'Prewarming...' : 'Prewarm';
     }
 
     setTranslateLoading(isLoading) {
         if (!this.translateBtn) return;
         this.translateBtn.disabled = isLoading;
-        this.translateBtn.textContent = isLoading ? '翻译中...' : '翻译 Prompt → Gloss';
+        this.translateBtn.textContent = isLoading ? 'Translating...' : 'Translate Prompt → Gloss';
     }
 
     updateStatus(text) {

viser_backend.py

@@ -236,6 +236,8 @@ class StableSignerBackend(PluginBackendBase):
             return self.handle_probe_video(data)
         if action == "prompt_to_gloss":
             return self.handle_prompt_to_gloss(data)
+        if action == "prewarm":
+            return self.handle_prewarm(data)
         return super().handle_message(message)
 
     def handle_probe_video(self, data: Dict[str, Any]) -> Dict[str, Any]:
@@ -264,6 +266,50 @@ class StableSignerBackend(PluginBackendBase):
         except Exception as exc:  # pylint: disable=broad-except
             return {"status": "error", "message": str(exc)}
 
+    def handle_prewarm(self, data: Dict[str, Any]) -> Dict[str, Any]:
+        candidate_counts = data.get("candidateCounts")
+        if isinstance(candidate_counts, list):
+            try:
+                counts = [max(1, int(value)) for value in candidate_counts if int(value) > 0]
+            except (TypeError, ValueError):
+                counts = []
+        else:
+            counts = []
+        if not counts:
+            counts = [5, 10, 20]
+
+        log_buffer = io.StringIO()
+        with contextlib.redirect_stdout(log_buffer), contextlib.redirect_stderr(log_buffer):
+            try:
+                self._load_prompt_model()
+                print("[Prewarm] Prompt2Gloss model ready.")
+            except Exception as exc:  # pylint: disable=broad-except
+                print("[Prewarm] Failed to load Prompt2Gloss model:", exc)
+                return {"status": "error", "message": f"Prompt2Gloss load failed: {exc}", "logs": log_buffer.getvalue()}
+
+            warmed_counts = []
+            for count in counts:
+                try:
+                    self._get_qa_system(count)
+                    warmed_counts.append(count)
+                    print(f"[Prewarm] QA system ready for max_candidates={count}.")
+                except Exception as exc:  # pylint: disable=broad-except
+                    print(f"[Prewarm] Failed to warm QA system (max_candidates={count}):", exc)
+
+        logs = log_buffer.getvalue()
+        if not warmed_counts:
+            return {
+                "status": "error",
+                "message": "Prewarm failed: unable to initialize QA systems.",
+                "logs": logs or "(no logs)",
+            }
+        return {
+            "status": "success",
+            "message": f"Prewarm done: Prompt2Gloss and {len(warmed_counts)} QA configs loaded.",
+            "counts": warmed_counts,
+            "logs": logs or "(no logs)",
+        }
+
     def handle_generate_pose(self, data: Dict[str, Any]) -> Dict[str, Any]:
         if not self._generation_lock.acquire(blocking=False):
             return {"status": "error", "message": "A generation job is already running. Please wait."}
@@ -300,16 +346,17 @@ class StableSignerBackend(PluginBackendBase):
                 return {"status": "error", "message": "Gloss string is empty after normalization."}
 
             fps = _safe_int(data.get("fps"), 30)
-            width = _safe_int(data.get("width"), 480)
-            height = _safe_int(data.get("height"), 480)
+            width = _safe_int(data.get("width"), 512)
+            height = _safe_int(data.get("height"), 512)
             smoothing_method = data.get("smoothing", "none") or "none"
-            smoothing_frames = _safe_int(data.get("smoothingFrames"), 5)
-            npz_interp = _safe_int(data.get("npzInterpolation"), 0)
-            scale_x = _safe_float(data.get("scaleX"), 1.5)
+            smoothing_frames = _safe_int(data.get("smoothingFrames"), 0)
+            npz_interp = _safe_int(data.get("npzInterpolation"), 20)
+            scale_x = _safe_float(data.get("scaleX"), 1.4)
             scale_y = _safe_float(data.get("scaleY"), 1.5)
             hide_torso = _to_bool(data.get("hideTorsoLines"), False)
             normalize_pose = _to_bool(data.get("normalizePose"), True)
-            draw_style = (data.get("drawStyle") or "controlnext").lower()
+            draw_style = (data.get("drawStyle") or "openpose").lower()
+            draw_threshold = _safe_float(data.get("drawConfidenceThreshold"), 0.6)
             max_candidates = _safe_int(data.get("maxCandidates"), 10)
             ref_image = (data.get("refImagePath") or "").strip() or None
 
@@ -334,6 +381,7 @@ class StableSignerBackend(PluginBackendBase):
                     ref_image_path=ref_image,
                     draw_style=draw_style,
                     normalize_pose=normalize_pose,
+                    draw_conf_threshold=draw_threshold,
                 )
 
             logs = self._format_logs(log_buffer)
@@ -367,6 +415,7 @@ class StableSignerBackend(PluginBackendBase):
                     "smoothing": smoothing_method,
                     "npzInterpolation": npz_interp,
                     "drawStyle": draw_style,
+                    "drawConfidenceThreshold": draw_threshold,
                 },
             }
         except Exception as exc:  # pylint: disable=broad-except