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{
  "id": "detection-viewer",
  "name": "Detection Viewer",
  "description": "Rich viewer for object detection model outputs",
  "author": "hysts",
  "tags": [],
  "category": "display",
  "html_template": "<div class=\"pose-viewer-container\" data-panel-title=\"Detections\" data-list-height=\"300\" data-score-threshold-min=\"0.0\" data-score-threshold-max=\"1.0\" data-keypoint-threshold=\"0.0\" data-keypoint-radius=\"3\">\n  <script type=\"application/json\" class=\"pose-data\">${value}</script>\n  <div class=\"canvas-wrapper\">\n    <canvas></canvas>\n  </div>\n  <div class=\"tooltip\"></div>\n  <div class=\"control-panel\">\n    <div class=\"control-panel-header\">\n      <div class=\"control-panel-header-info\">\n        <span class=\"control-panel-title\">Detections</span>\n        <span class=\"control-panel-count\"></span>\n      </div>\n      <div class=\"control-panel-actions\">\n        <button class=\"cp-btn toggle-image-btn active\" title=\"Toggle base image (I)\">Image</button>\n        <button class=\"cp-btn reset-btn\" title=\"Reset to defaults (R)\">&#x21BA;</button>\n        <button class=\"cp-btn help-btn\" title=\"Keyboard shortcuts (?)\">?</button>\n        <button class=\"cp-btn maximize-btn\" title=\"Maximize (F)\">&#x26F6;</button>\n      </div>\n    </div>\n    <div class=\"control-panel-body\">\n      <div class=\"annotation-list\"></div>\n    </div>\n  </div>\n  <div class=\"help-overlay\">\n    <div class=\"help-dialog\">\n      <div class=\"help-header\">\n        <span>Keyboard Shortcuts</span>\n        <button class=\"help-close-btn\">&times;</button>\n      </div>\n      <table class=\"help-table\">\n        <tr><td><kbd>?</kbd></td><td>Show keyboard shortcuts</td></tr>\n        <tr><td><kbd>F</kbd></td><td>Toggle maximize</td></tr>\n        <tr><td><kbd>I</kbd></td><td>Toggle base image</td></tr>\n        <tr><td><kbd>A</kbd></td><td>Toggle all annotations</td></tr>\n        <tr><td><kbd>H</kbd></td><td>Hide selected annotation</td></tr>\n        <tr><td><kbd>Shift+Click</kbd></td><td>Hide clicked annotation</td></tr>\n        <tr><td><kbd>Esc</kbd></td><td>Deselect / exit maximize</td></tr>\n        <tr><td><kbd>+</kbd> / <kbd>-</kbd></td><td>Zoom in / out</td></tr>\n        <tr><td><kbd>0</kbd></td><td>Reset zoom</td></tr>\n        <tr><td><kbd>R</kbd></td><td>Reset all to defaults</td></tr>\n      </table>\n    </div>\n  </div>\n  <div class=\"loading-indicator\"><div class=\"loading-spinner\"></div></div>\n  <div class=\"placeholder\">No data</div>\n</div>\n",
  "css_template": ".pose-viewer-container {\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, sans-serif;\n    user-select: none;\n    width: 100%;\n    position: relative;\n    box-sizing: border-box;\n}\n\n/* \u2500\u2500 Maximized Overlay \u2500\u2500 */\n\n.pose-viewer-container.maximized {\n    position: fixed;\n    top: 0;\n    left: 0;\n    width: 100vw;\n    height: 100vh;\n    z-index: 9999;\n    background: var(--background-fill-primary, #fff);\n    display: flex;\n    flex-direction: column;\n    padding: 0;\n    overflow: hidden;\n}\n\n.pose-viewer-container.maximized .canvas-wrapper {\n    flex: 1;\n    min-height: 0;\n    border-radius: 0;\n    align-items: center;\n}\n\n.pose-viewer-container.maximized .control-panel {\n    flex-shrink: 0;\n    max-height: 40vh;\n    border-radius: 0;\n    border-left: none;\n    border-right: none;\n    border-bottom: none;\n    margin-top: 0;\n}\n\n.pose-viewer-container.maximized .maximize-btn {\n    background: var(--color-accent, #2196F3);\n    color: #fff;\n    border-color: var(--color-accent, #2196F3);\n}\n\n/* \u2500\u2500 Canvas \u2500\u2500 */\n\n.pose-viewer-container .canvas-wrapper {\n    display: none;\n    justify-content: center;\n    border-radius: 4px;\n    overflow: hidden;\n}\n\n.pose-viewer-container .canvas-wrapper canvas {\n    display: block;\n    touch-action: none;\n}\n\n/* \u2500\u2500 Loading Indicator \u2500\u2500 */\n\n.pose-viewer-container .loading-indicator {\n    display: none;\n    justify-content: center;\n    align-items: center;\n    border: 2px dashed var(--border-color-primary, #d0d0d0);\n    border-radius: 8px;\n    padding: 48px 24px;\n}\n\n.pose-viewer-container .loading-indicator.visible {\n    display: flex;\n}\n\n.pose-viewer-container .loading-spinner {\n    width: 24px;\n    height: 24px;\n    border: 3px solid var(--border-color-primary, #d0d0d0);\n    border-top-color: var(--color-accent, #2196F3);\n    border-radius: 50%;\n    animation: detection-viewer-spin 0.8s linear infinite;\n}\n\n@keyframes detection-viewer-spin {\n    to { transform: rotate(360deg); }\n}\n\n/* \u2500\u2500 Placeholder \u2500\u2500 */\n\n.pose-viewer-container .placeholder {\n    border: 2px dashed var(--border-color-primary, #d0d0d0);\n    border-radius: 8px;\n    padding: 48px 24px;\n    text-align: center;\n    color: var(--body-text-color-subdued, #888);\n    font-size: 14px;\n}\n\n.pose-viewer-container .placeholder.hidden {\n    display: none;\n}\n\n/* \u2500\u2500 Tooltip \u2500\u2500 */\n\n.pose-viewer-container .tooltip {\n    display: none;\n    position: absolute;\n    background: rgba(0, 0, 0, 0.8);\n    color: #fff;\n    padding: 4px 8px;\n    border-radius: 4px;\n    font-size: 12px;\n    pointer-events: none;\n    white-space: nowrap;\n    z-index: 10;\n}\n\n.pose-viewer-container .tooltip.visible {\n    display: block;\n}\n\n/* \u2500\u2500 Control Panel \u2500\u2500 */\n\n.pose-viewer-container .control-panel {\n    display: none;\n    flex-direction: column;\n    border: 1px solid var(--border-color-primary, #e0e0e0);\n    border-radius: 6px;\n    margin-top: 8px;\n    font-size: 12px;\n    overflow: hidden;\n}\n\n.pose-viewer-container .control-panel.visible {\n    display: flex;\n}\n\n.pose-viewer-container .control-panel-header {\n    display: flex;\n    align-items: center;\n    justify-content: space-between;\n    padding: 6px 10px;\n    background: var(--background-fill-secondary, #f7f7f7);\n    border-bottom: 1px solid var(--border-color-primary, #e0e0e0);\n}\n\n.pose-viewer-container .control-panel-header-info {\n    display: flex;\n    align-items: center;\n    gap: 8px;\n}\n\n.pose-viewer-container .control-panel-title {\n    font-weight: 600;\n    color: var(--body-text-color, #333);\n}\n\n.pose-viewer-container .control-panel-count {\n    font-weight: 400;\n    color: var(--body-text-color-subdued, #888);\n}\n\n.pose-viewer-container .control-panel-actions {\n    display: flex;\n    align-items: center;\n    gap: 4px;\n}\n\n.pose-viewer-container .cp-btn {\n    all: unset;\n    display: inline-flex;\n    align-items: center;\n    justify-content: center;\n    height: 22px;\n    padding: 0 8px;\n    background: transparent;\n    border: 1px solid var(--border-color-primary, #d0d0d0);\n    border-radius: 3px;\n    cursor: pointer;\n    font-size: 11px;\n    line-height: 1;\n    color: var(--body-text-color, #333);\n    box-sizing: border-box;\n}\n\n.pose-viewer-container .cp-btn:hover {\n    background: var(--background-fill-primary, #eee);\n}\n\n.pose-viewer-container .toggle-image-btn.active {\n    background: var(--color-accent, #2196F3);\n    color: #fff;\n    border-color: var(--color-accent, #2196F3);\n}\n\n.pose-viewer-container .toggle-image-btn.active:hover {\n    opacity: 0.9;\n}\n\n.pose-viewer-container .control-panel-body {\n    overflow-y: auto;\n    min-height: 0;\n}\n\n.pose-viewer-container .annotation-rows {\n    max-height: 300px;\n    overflow: hidden auto;\n}\n\n/* \u2500\u2500 Select-All Row \u2500\u2500 */\n\n.pose-viewer-container .select-all-row {\n    display: flex;\n    align-items: center;\n    gap: 8px;\n    padding: 5px 10px;\n    border-bottom: 1px solid var(--border-color-primary, #e0e0e0);\n    border-left: 3px solid transparent;\n    padding-left: 28px;\n}\n\n.pose-viewer-container .select-all-row .select-all-checkbox {\n    flex-shrink: 0;\n    cursor: pointer;\n}\n\n.pose-viewer-container .select-all-row .select-all-label {\n    font-size: 12px;\n    font-weight: 600;\n    color: var(--body-text-color, #333);\n}\n\n/* \u2500\u2500 Annotation Row \u2500\u2500 */\n\n.pose-viewer-container .annotation-row {\n    display: flex;\n    align-items: center;\n    gap: 8px;\n    padding: 5px 10px;\n    cursor: pointer;\n    border-left: 3px solid transparent;\n    transition: background 0.15s;\n}\n\n.pose-viewer-container .annotation-row:hover {\n    background: var(--background-fill-secondary, #f5f5f5);\n}\n\n.pose-viewer-container .annotation-row .ann-dot {\n    width: 10px;\n    height: 10px;\n    border-radius: 50%;\n    flex-shrink: 0;\n}\n\n.pose-viewer-container .annotation-row .ann-checkbox {\n    flex-shrink: 0;\n    cursor: pointer;\n}\n\n.pose-viewer-container .annotation-row .ann-label {\n    flex: 1;\n    white-space: nowrap;\n    overflow: hidden;\n    text-overflow: ellipsis;\n    color: var(--body-text-color, #333);\n}\n\n.pose-viewer-container .annotation-row .ann-summary {\n    color: var(--body-text-color-subdued, #888);\n    white-space: nowrap;\n    font-size: 11px;\n}\n\n/* \u2500\u2500 Expand Button \u2500\u2500 */\n\n.pose-viewer-container .annotation-row .ann-expand {\n    all: unset;\n    display: inline-flex;\n    align-items: center;\n    justify-content: center;\n    width: 16px;\n    height: 16px;\n    flex-shrink: 0;\n    cursor: pointer;\n    font-size: 8px;\n    color: var(--body-text-color-subdued, #888);\n    border-radius: 3px;\n    transition: transform 0.15s;\n}\n\n.pose-viewer-container .annotation-row .ann-expand:hover {\n    background: var(--border-color-primary, #e0e0e0);\n    color: var(--body-text-color, #333);\n}\n\n.pose-viewer-container .annotation-row .ann-expand.expanded {\n    transform: rotate(90deg);\n}\n\n/* \u2500\u2500 Selected Row \u2500\u2500 */\n\n.pose-viewer-container .annotation-row.selected {\n    border-left-color: var(--color-accent, #2196F3);\n    background: var(--background-fill-secondary, #f0f7ff);\n}\n\n.pose-viewer-container .annotation-row.below-threshold {\n    opacity: 0.4;\n}\n\n/* \u2500\u2500 Annotation Detail \u2500\u2500 */\n\n.pose-viewer-container .annotation-detail {\n    display: none;\n    padding: 6px 10px 8px 31px;\n    font-size: 11px;\n    color: var(--body-text-color-subdued, #666);\n    border-bottom: 1px solid var(--border-color-primary, #eee);\n    max-height: 150px;\n    overflow-y: auto;\n}\n\n.pose-viewer-container .annotation-detail.visible {\n    display: block;\n}\n\n.pose-viewer-container .annotation-detail table {\n    width: 100%;\n    border-collapse: collapse;\n}\n\n.pose-viewer-container .annotation-detail td {\n    padding: 1px 6px 1px 0;\n}\n\n.pose-viewer-container .annotation-detail .detail-section-title {\n    font-weight: 600;\n    margin-bottom: 2px;\n    color: var(--body-text-color, #333);\n}\n\n/* \u2500\u2500 Layer Toggles \u2500\u2500 */\n\n.pose-viewer-container .layer-toggles {\n    display: flex;\n    align-items: center;\n    gap: 4px;\n    padding: 6px 10px;\n    border-bottom: 1px solid var(--border-color-primary, #e0e0e0);\n}\n\n.pose-viewer-container .layer-btn {\n    all: unset;\n    display: inline-flex;\n    align-items: center;\n    justify-content: center;\n    height: 22px;\n    padding: 0 8px;\n    background: var(--background-fill-primary, #eee);\n    border: 1px solid var(--border-color-primary, #d0d0d0);\n    border-radius: 3px;\n    cursor: pointer;\n    font-size: 11px;\n    line-height: 1;\n    color: var(--body-text-color, #333);\n    box-sizing: border-box;\n}\n\n.pose-viewer-container .layer-btn.active {\n    background: var(--color-accent, #2196F3);\n    color: #fff;\n    border-color: var(--color-accent, #2196F3);\n}\n\n/* \u2500\u2500 Label Filters \u2500\u2500 */\n\n.pose-viewer-container .label-filters {\n    display: flex;\n    flex-wrap: wrap;\n    align-items: center;\n    gap: 4px;\n    padding: 6px 10px;\n    border-bottom: 1px solid var(--border-color-primary, #e0e0e0);\n}\n\n.pose-viewer-container .label-filters-title {\n    font-size: 11px;\n    font-weight: 600;\n    color: var(--body-text-color, #333);\n    margin-right: 4px;\n}\n\n.pose-viewer-container .label-filter-btn {\n    all: unset;\n    display: inline-flex;\n    align-items: center;\n    touch-action: manipulation;\n    gap: 4px;\n    height: 22px;\n    padding: 0 8px;\n    background: var(--background-fill-primary, #eee);\n    border: 1px solid var(--border-color-primary, #d0d0d0);\n    border-radius: 3px;\n    cursor: pointer;\n    font-size: 11px;\n    line-height: 1;\n    color: var(--body-text-color-subdued, #888);\n    box-sizing: border-box;\n}\n\n.pose-viewer-container .label-filter-btn.active {\n    color: var(--body-text-color, #333);\n    border-color: var(--body-text-color-subdued, #888);\n}\n\n.pose-viewer-container .label-color-dot {\n    display: inline-block;\n    width: 8px;\n    height: 8px;\n    border-radius: 50%;\n    flex-shrink: 0;\n}\n\n.pose-viewer-container .label-count {\n    opacity: 0.6;\n}\n\n/* \u2500\u2500 Sort Controls \u2500\u2500 */\n\n.pose-viewer-container .sort-controls {\n    display: flex;\n    align-items: center;\n    gap: 4px;\n    padding: 6px 10px;\n    border-bottom: 1px solid var(--border-color-primary, #e0e0e0);\n}\n\n.pose-viewer-container .sort-controls-title {\n    font-size: 11px;\n    font-weight: 600;\n    color: var(--body-text-color, #333);\n    margin-right: 4px;\n}\n\n.pose-viewer-container .sort-btn {\n    all: unset;\n    display: inline-flex;\n    align-items: center;\n    justify-content: center;\n    height: 22px;\n    padding: 0 8px;\n    background: var(--background-fill-primary, #eee);\n    border: 1px solid var(--border-color-primary, #d0d0d0);\n    border-radius: 3px;\n    cursor: pointer;\n    font-size: 11px;\n    line-height: 1;\n    color: var(--body-text-color-subdued, #888);\n    box-sizing: border-box;\n}\n\n.pose-viewer-container .sort-btn.active {\n    color: var(--body-text-color, #333);\n    border-color: var(--body-text-color-subdued, #888);\n}\n\n/* \u2500\u2500 Annotation Group Separator \u2500\u2500 */\n\n.pose-viewer-container .annotation-group-separator {\n    display: flex;\n    align-items: center;\n    gap: 8px;\n    padding: 4px 10px;\n    font-size: 10px;\n    color: var(--body-text-color-subdued, #888);\n}\n\n.pose-viewer-container .annotation-group-separator::before,\n.pose-viewer-container .annotation-group-separator::after {\n    content: \"\";\n    flex: 1;\n    height: 1px;\n    background: var(--border-color-primary, #e0e0e0);\n}\n\n/* \u2500\u2500 Filtered-out Row \u2500\u2500 */\n\n.pose-viewer-container .annotation-row.filtered-out {\n    opacity: 0.4;\n}\n\n/* \u2500\u2500 Threshold Slider \u2500\u2500 */\n\n.pose-viewer-container .threshold-row {\n    display: flex;\n    align-items: center;\n    gap: 8px;\n    padding: 5px 10px;\n    border-bottom: 1px solid var(--border-color-primary, #e0e0e0);\n    font-size: 11px;\n    color: var(--body-text-color, #333);\n}\n\n.pose-viewer-container .threshold-row input[type=\"range\"] {\n    flex: 1;\n    height: 14px;\n    margin: 0;\n    cursor: pointer;\n    -webkit-appearance: none;\n    appearance: none;\n    background: transparent;\n}\n\n.pose-viewer-container .threshold-row input[type=\"range\"]::-webkit-slider-thumb {\n    -webkit-appearance: none;\n    appearance: none;\n    width: 14px;\n    height: 14px;\n    border-radius: 50%;\n    background: var(--color-accent, #2196F3);\n    border: 2px solid #fff;\n    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);\n    cursor: pointer;\n}\n\n.pose-viewer-container .threshold-row input[type=\"range\"]::-moz-range-thumb {\n    width: 14px;\n    height: 14px;\n    border-radius: 50%;\n    background: var(--color-accent, #2196F3);\n    border: 2px solid #fff;\n    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);\n    cursor: pointer;\n}\n\n.pose-viewer-container .threshold-row .threshold-value,\n.pose-viewer-container .threshold-row .slider-value {\n    min-width: 32px;\n    text-align: right;\n    color: var(--body-text-color-subdued, #888);\n}\n\n/* \u2500\u2500 Dual Range Slider \u2500\u2500 */\n\n.pose-viewer-container .dual-range-wrapper {\n    position: relative;\n    flex: 1;\n    height: 4px;\n    border-radius: 2px;\n    background: var(--border-color-primary, #d0d0d0);\n}\n\n.pose-viewer-container .dual-range-wrapper input[type=\"range\"] {\n    position: absolute;\n    top: 50%;\n    left: 0;\n    transform: translateY(-50%);\n    width: 100%;\n    height: 14px;\n    margin: 0;\n    padding: 0;\n    background: transparent;\n    pointer-events: none;\n    -webkit-appearance: none;\n    appearance: none;\n}\n\n.pose-viewer-container .dual-range-wrapper input[type=\"range\"]::-webkit-slider-thumb {\n    -webkit-appearance: none;\n    appearance: none;\n    width: 14px;\n    height: 14px;\n    border-radius: 50%;\n    background: var(--color-accent, #2196F3);\n    border: 2px solid #fff;\n    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);\n    cursor: pointer;\n    pointer-events: all;\n}\n\n.pose-viewer-container .dual-range-wrapper input[type=\"range\"]::-moz-range-thumb {\n    width: 14px;\n    height: 14px;\n    border-radius: 50%;\n    background: var(--color-accent, #2196F3);\n    border: 2px solid #fff;\n    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);\n    cursor: pointer;\n    pointer-events: all;\n}\n\n.pose-viewer-container .dual-range-wrapper input[type=\"range\"]::-webkit-slider-runnable-track {\n    background: transparent;\n}\n\n.pose-viewer-container .dual-range-wrapper input[type=\"range\"]::-moz-range-track {\n    background: transparent;\n}\n\n/* \u2500\u2500 Draw Options (collapsible) \u2500\u2500 */\n\n.pose-viewer-container .draw-options {\n    border-bottom: 1px solid var(--border-color-primary, #e0e0e0);\n}\n\n.pose-viewer-container .draw-options-toggle {\n    all: unset;\n    display: flex;\n    align-items: center;\n    gap: 4px;\n    width: 100%;\n    padding: 4px 10px;\n    cursor: pointer;\n    font-size: 11px;\n    color: var(--body-text-color-subdued, #888);\n    box-sizing: border-box;\n}\n\n.pose-viewer-container .draw-options-toggle:hover {\n    background: var(--background-fill-secondary, #f5f5f5);\n}\n\n.pose-viewer-container .draw-options-arrow {\n    font-size: 8px;\n    transition: transform 0.15s;\n}\n\n.pose-viewer-container .draw-options.open .draw-options-arrow {\n    transform: rotate(90deg);\n}\n\n.pose-viewer-container .draw-options-body {\n    display: none;\n}\n\n.pose-viewer-container .draw-options.open .draw-options-body {\n    display: block;\n}\n\n.pose-viewer-container .draw-options-body .threshold-row {\n    border-bottom: none;\n    padding-top: 2px;\n    padding-bottom: 2px;\n}\n\n.pose-viewer-container .draw-options-body .threshold-row:last-child {\n    padding-bottom: 6px;\n}\n\n/* \u2500\u2500 Help Overlay \u2500\u2500 */\n\n.pose-viewer-container .help-overlay {\n    display: none;\n    position: absolute;\n    top: 0;\n    left: 0;\n    width: 100%;\n    height: 100%;\n    background: rgba(0, 0, 0, 0.4);\n    z-index: 10000;\n    justify-content: center;\n    align-items: center;\n}\n\n.pose-viewer-container.maximized .help-overlay {\n    position: fixed;\n}\n\n.pose-viewer-container .help-overlay.visible {\n    display: flex;\n}\n\n.pose-viewer-container .help-dialog {\n    background: var(--background-fill-primary, #fff);\n    border: 1px solid var(--border-color-primary, #e0e0e0);\n    border-radius: 8px;\n    padding: 16px 20px;\n    max-width: 320px;\n    width: 90%;\n    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);\n}\n\n.pose-viewer-container .help-header {\n    display: flex;\n    align-items: center;\n    justify-content: space-between;\n    margin-bottom: 12px;\n    font-size: 14px;\n    font-weight: 600;\n    color: var(--body-text-color, #333);\n}\n\n.pose-viewer-container .help-close-btn {\n    all: unset;\n    cursor: pointer;\n    font-size: 18px;\n    line-height: 1;\n    color: var(--body-text-color-subdued, #888);\n    padding: 0 4px;\n}\n\n.pose-viewer-container .help-close-btn:hover {\n    color: var(--body-text-color, #333);\n}\n\n.pose-viewer-container .help-table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 12px;\n    color: var(--body-text-color, #333);\n}\n\n.pose-viewer-container .help-table td {\n    padding: 4px 0;\n}\n\n.pose-viewer-container .help-table td:first-child {\n    white-space: nowrap;\n    padding-right: 16px;\n}\n\n.pose-viewer-container .help-table kbd {\n    display: inline-block;\n    background: var(--background-fill-secondary, #f3f3f3);\n    border: 1px solid var(--border-color-primary, #d0d0d0);\n    border-radius: 3px;\n    padding: 1px 5px;\n    font-family: ui-monospace, SFMono-Regular, \"SF Mono\", Menlo, monospace;\n    font-size: 11px;\n    line-height: 1.4;\n}\n",
  "js_on_load": "// Guard: skip if already initialized\nif (element._poseInitialized) return;\nelement._poseInitialized = true;\n\n(function () {\n    \"use strict\";\n\n    var MAX_CANVAS_HEIGHT = 600;\n    var KEYPOINT_RADIUS = 3;\n    var HIT_RADIUS = 10;\n    var MASK_ALPHA = 0.4;\n    var CONNECTION_ALPHA = 0.7;\n    var CONNECTION_WIDTH = 2;\n    var BBOX_LINE_WIDTH = 2;\n    var BBOX_LABEL_FONT = \"bold 11px -apple-system, BlinkMacSystemFont, sans-serif\";\n    var DIM_ALPHA = 0.2;\n    var MIN_ZOOM = 1;\n    var MAX_ZOOM = 20;\n    var ZOOM_SENSITIVITY = 0.001;\n    var DRAG_THRESHOLD = 4;\n\n    // \u2500\u2500 DOM References \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    var container = element.querySelector(\".pose-viewer-container\");\n    var dataScript = element.querySelector(\"script.pose-data\");\n    var canvasWrapper = element.querySelector(\".canvas-wrapper\");\n    var canvas = element.querySelector(\"canvas\");\n    var ctx = canvas.getContext(\"2d\");\n    var tooltip = element.querySelector(\".tooltip\");\n    var controlPanel = element.querySelector(\".control-panel\");\n    var annotationList = element.querySelector(\".annotation-list\");\n\n    // Read configurable threshold defaults\n    var initialScoreThresholdMin = parseFloat(container.getAttribute(\"data-score-threshold-min\")) || 0;\n    var initialScoreThresholdMax = parseFloat(container.getAttribute(\"data-score-threshold-max\"));\n    if (isNaN(initialScoreThresholdMax)) initialScoreThresholdMax = 1;\n    var initialKeypointThreshold = parseFloat(container.getAttribute(\"data-keypoint-threshold\")) || 0;\n    var initialKeypointRadius = parseInt(container.getAttribute(\"data-keypoint-radius\"), 10);\n    if (isNaN(initialKeypointRadius) || initialKeypointRadius < 1) initialKeypointRadius = KEYPOINT_RADIUS;\n    var toggleImageBtn = element.querySelector(\".toggle-image-btn\");\n    var resetBtn = element.querySelector(\".reset-btn\");\n    var maximizeBtn = element.querySelector(\".maximize-btn\");\n    var helpBtn = element.querySelector(\".help-btn\");\n    var helpOverlay = element.querySelector(\".help-overlay\");\n    var helpCloseBtn = element.querySelector(\".help-close-btn\");\n    var loadingIndicator = element.querySelector(\".loading-indicator\");\n    var placeholder = element.querySelector(\".placeholder\");\n    var countEl = element.querySelector(\".control-panel-count\");\n\n    // \u2500\u2500 State \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    var state = {\n        image: null,\n        annotations: [],\n        scale: 1,\n        visibility: [],\n        selectedIndex: -1,\n        showImage: true,\n        layers: { masks: true, boxes: true, skeleton: true, keypoints: true },\n        thresholdMin: initialScoreThresholdMin,\n        thresholdMax: initialScoreThresholdMax,\n        keypointThreshold: initialKeypointThreshold,\n        keypointRadius: initialKeypointRadius,\n        connectionWidth: CONNECTION_WIDTH,\n        maskAlpha: MASK_ALPHA,\n        connectionAlpha: CONNECTION_ALPHA,\n        bboxLineWidth: BBOX_LINE_WIDTH,\n        labelVisibility: {},\n        maskImages: [],\n        zoom: 1,\n        panX: 0,\n        panY: 0,\n        isPanning: false,\n        panStartX: 0,\n        panStartY: 0,\n        panStartPanX: 0,\n        panStartPanY: 0,\n        didDrag: false,\n        maximized: false,\n        sortMode: \"none\",\n        sortedIndices: [],\n        expandedIndex: -1,\n        drawOptionsOpen: false\n    };\n\n    // \u2500\u2500 MutationObserver for value changes \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    var observer = new MutationObserver(function () {\n        handleValueChange();\n    });\n    observer.observe(dataScript, { childList: true, characterData: true, subtree: true });\n\n    // Also handle initial value\n    handleValueChange();\n\n    // \u2500\u2500 Value Change Handler \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    function handleValueChange() {\n        var raw = dataScript.textContent.trim();\n        if (!raw || raw === \"null\") {\n            showPlaceholder();\n            return;\n        }\n\n        var data;\n        try {\n            data = JSON.parse(raw);\n        } catch (e) {\n            showPlaceholder();\n            return;\n        }\n\n        if (!data || !data.image) {\n            showPlaceholder();\n            return;\n        }\n\n        // Update score threshold if provided in payload\n        if (data.scoreThresholdMin != null) {\n            initialScoreThresholdMin = data.scoreThresholdMin;\n            state.thresholdMin = data.scoreThresholdMin;\n        }\n        if (data.scoreThresholdMax != null) {\n            initialScoreThresholdMax = data.scoreThresholdMax;\n            state.thresholdMax = data.scoreThresholdMax;\n        }\n\n        // Show loading spinner while the image is being fetched.\n        // Gradio's updateDOM() resets JS-managed inline styles and\n        // classes back to template defaults on every value change,\n        // so we must re-establish the display state here.\n        showLoading();\n\n        var img = new Image();\n        img.onload = function () {\n            state.image = img;\n            state.annotations = data.annotations || [];\n            state.visibility = [];\n            for (var i = 0; i < state.annotations.length; i++) {\n                state.visibility.push(true);\n            }\n            state.selectedIndex = -1;\n\n            // Build label visibility map\n            state.labelVisibility = {};\n            for (var i = 0; i < state.annotations.length; i++) {\n                var lbl = state.annotations[i].label;\n                if (lbl && !state.labelVisibility.hasOwnProperty(lbl)) {\n                    state.labelVisibility[lbl] = true;\n                }\n            }\n\n            // Decode RLE masks to offscreen canvases\n            state.maskImages = [];\n            for (var i = 0; i < state.annotations.length; i++) {\n                if (state.annotations[i].mask) {\n                    state.maskImages[i] = createMaskCanvas(state.annotations[i].mask, state.annotations[i].color);\n                } else {\n                    state.maskImages[i] = null;\n                }\n            }\n\n            showContent();\n            state.sortMode = getDefaultSortMode();\n            requestAnimationFrame(function () {\n                fitCanvas();\n                state.zoom = 1;\n                state.panX = 0;\n                state.panY = 0;\n                render();\n                renderControlPanel();\n            });\n        };\n        img.src = data.image;\n    }\n\n    // \u2500\u2500 Display States: placeholder / loading / content \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    function showPlaceholder() {\n        state.image = null;\n        state.annotations = [];\n        state.visibility = [];\n        state.selectedIndex = -1;\n        canvasWrapper.style.display = \"none\";\n        loadingIndicator.classList.remove(\"visible\");\n        controlPanel.classList.remove(\"visible\");\n        tooltip.classList.remove(\"visible\");\n        placeholder.classList.remove(\"hidden\");\n    }\n\n    function showLoading() {\n        placeholder.classList.add(\"hidden\");\n        canvasWrapper.style.display = \"none\";\n        controlPanel.classList.remove(\"visible\");\n        loadingIndicator.classList.add(\"visible\");\n    }\n\n    function showContent() {\n        placeholder.classList.add(\"hidden\");\n        loadingIndicator.classList.remove(\"visible\");\n        canvasWrapper.style.display = \"flex\";\n    }\n\n    // \u2500\u2500 Canvas Sizing \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    function fitCanvas() {\n        if (!state.image) return;\n\n        var img = state.image;\n\n        if (state.maximized) {\n            var wrapperW = canvasWrapper.clientWidth || window.innerWidth;\n            var wrapperH = canvasWrapper.clientHeight || window.innerHeight;\n\n            var w = wrapperW;\n            var h = img.naturalHeight * (w / img.naturalWidth);\n\n            if (h > wrapperH) {\n                h = wrapperH;\n                w = img.naturalWidth * (h / img.naturalHeight);\n            }\n\n            canvas.width = Math.round(w);\n            canvas.height = Math.round(h);\n        } else {\n            var maxWidth = canvasWrapper.clientWidth || 800;\n\n            var w = maxWidth;\n            var h = img.naturalHeight * (w / img.naturalWidth);\n\n            if (h > MAX_CANVAS_HEIGHT) {\n                h = MAX_CANVAS_HEIGHT;\n                w = img.naturalWidth * (h / img.naturalHeight);\n            }\n\n            canvas.width = Math.round(w);\n            canvas.height = Math.round(h);\n        }\n        state.scale = canvas.width / img.naturalWidth;\n    }\n\n    // \u2500\u2500 Zoom/Pan Helpers \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    function clientToCanvas(clientX, clientY) {\n        var rect = canvas.getBoundingClientRect();\n        var cssX = (clientX - rect.left) * (canvas.width / rect.width);\n        var cssY = (clientY - rect.top) * (canvas.height / rect.height);\n        return {\n            x: (cssX - state.panX) / state.zoom,\n            y: (cssY - state.panY) / state.zoom\n        };\n    }\n\n    function clampPan() {\n        if (state.zoom <= 1) {\n            state.panX = 0;\n            state.panY = 0;\n            return;\n        }\n        var maxPanX = 0;\n        var minPanX = canvas.width - canvas.width * state.zoom;\n        var maxPanY = 0;\n        var minPanY = canvas.height - canvas.height * state.zoom;\n        if (state.panX > maxPanX) state.panX = maxPanX;\n        if (state.panX < minPanX) state.panX = minPanX;\n        if (state.panY > maxPanY) state.panY = maxPanY;\n        if (state.panY < minPanY) state.panY = minPanY;\n    }\n\n    function zoomToCenter(newZoom) {\n        newZoom = Math.max(MIN_ZOOM, Math.min(MAX_ZOOM, newZoom));\n        var cx = canvas.width / 2;\n        var cy = canvas.height / 2;\n        state.panX = cx - (cx - state.panX) * (newZoom / state.zoom);\n        state.panY = cy - (cy - state.panY) * (newZoom / state.zoom);\n        state.zoom = newZoom;\n        clampPan();\n        render();\n    }\n\n    function resetZoom() {\n        state.zoom = 1;\n        state.panX = 0;\n        state.panY = 0;\n        render();\n    }\n\n    function resetToDefaults() {\n        if (!state.image) return;\n\n        state.showImage = true;\n        toggleImageBtn.classList.add(\"active\");\n\n        state.layers.masks = true;\n        state.layers.boxes = true;\n        state.layers.skeleton = true;\n        state.layers.keypoints = true;\n\n        state.thresholdMin = initialScoreThresholdMin;\n        state.thresholdMax = initialScoreThresholdMax;\n        state.keypointThreshold = initialKeypointThreshold;\n        state.keypointRadius = initialKeypointRadius;\n        state.connectionWidth = CONNECTION_WIDTH;\n        state.maskAlpha = MASK_ALPHA;\n        state.connectionAlpha = CONNECTION_ALPHA;\n        state.bboxLineWidth = BBOX_LINE_WIDTH;\n\n        for (var label in state.labelVisibility) {\n            if (state.labelVisibility.hasOwnProperty(label)) {\n                state.labelVisibility[label] = true;\n            }\n        }\n        for (var i = 0; i < state.visibility.length; i++) {\n            state.visibility[i] = true;\n        }\n\n        state.selectedIndex = -1;\n        state.expandedIndex = -1;\n        state.sortMode = getDefaultSortMode();\n        state.zoom = 1;\n        state.panX = 0;\n        state.panY = 0;\n        canvas.style.cursor = \"default\";\n\n        render();\n        renderControlPanel();\n    }\n\n    // \u2500\u2500 Rendering \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    function isAnnotationVisible(i) {\n        if (!state.visibility[i]) return false;\n        var ann = state.annotations[i];\n        if (ann.score != null && (ann.score < state.thresholdMin || ann.score > state.thresholdMax)) return false;\n        if (ann.label && state.labelVisibility.hasOwnProperty(ann.label) && !state.labelVisibility[ann.label]) return false;\n        return true;\n    }\n\n    function isKeypointVisible(kp) {\n        if (kp.x == null || kp.y == null) return false;\n        if (kp.confidence != null && kp.confidence < state.keypointThreshold) return false;\n        return true;\n    }\n\n    function render() {\n        if (!state.image) return;\n\n        // Clear in screen space\n        ctx.setTransform(1, 0, 0, 1, 0, 0);\n        ctx.clearRect(0, 0, canvas.width, canvas.height);\n\n        // Dark background visible when zoomed/panned\n        if (state.zoom > 1) {\n            ctx.fillStyle = \"#1a1a1a\";\n            ctx.fillRect(0, 0, canvas.width, canvas.height);\n        }\n\n        // Apply zoom+pan transform\n        ctx.setTransform(state.zoom, 0, 0, state.zoom, state.panX, state.panY);\n\n        if (state.showImage) {\n            ctx.drawImage(state.image, 0, 0, canvas.width, canvas.height);\n        } else {\n            ctx.fillStyle = \"#2a2a2a\";\n            ctx.fillRect(0, 0, canvas.width, canvas.height);\n        }\n\n        var hasSelection = state.selectedIndex >= 0;\n\n        // Draw order: masks (back) \u2192 bbox \u2192 connections \u2192 keypoints (front)\n        for (var pass = 0; pass < 4; pass++) {\n            for (var i = 0; i < state.annotations.length; i++) {\n                if (!isAnnotationVisible(i)) continue;\n\n                var ann = state.annotations[i];\n                var dim = hasSelection && i !== state.selectedIndex;\n\n                ctx.save();\n                if (dim) ctx.globalAlpha = DIM_ALPHA;\n\n                if (pass === 0 && state.layers.masks) drawMask(i);\n                else if (pass === 1 && state.layers.boxes) drawBbox(ann);\n                else if (pass === 2 && state.layers.skeleton) drawConnections(ann);\n                else if (pass === 3 && state.layers.keypoints) drawKeypoints(ann);\n\n                ctx.restore();\n            }\n        }\n\n        // Draw zoom indicator in screen space\n        ctx.setTransform(1, 0, 0, 1, 0, 0);\n        if (state.zoom > 1) {\n            var zoomText = Math.round(state.zoom * 100) + \"%\";\n            ctx.font = \"bold 12px -apple-system, BlinkMacSystemFont, sans-serif\";\n            var tm = ctx.measureText(zoomText);\n            var px = canvas.width - tm.width - 12;\n            var py = 8;\n            ctx.fillStyle = \"rgba(0,0,0,0.5)\";\n            ctx.beginPath();\n            ctx.roundRect(px - 6, py - 2, tm.width + 12, 20, 4);\n            ctx.fill();\n            ctx.fillStyle = \"#fff\";\n            ctx.textBaseline = \"top\";\n            ctx.fillText(zoomText, px, py + 2);\n        }\n    }\n\n    function drawMask(i) {\n        var maskImg = state.maskImages[i];\n        if (!maskImg) return;\n        var baseAlpha = ctx.globalAlpha;\n        ctx.globalAlpha = baseAlpha * state.maskAlpha;\n        ctx.drawImage(maskImg, 0, 0, canvas.width, canvas.height);\n        ctx.globalAlpha = baseAlpha;\n    }\n\n    function drawBbox(ann) {\n        var bbox = ann.bbox;\n        if (!bbox) return;\n\n        var x = bbox.x * state.scale;\n        var y = bbox.y * state.scale;\n        var w = bbox.width * state.scale;\n        var h = bbox.height * state.scale;\n        var baseAlpha = ctx.globalAlpha;\n        var iz = 1 / state.zoom;\n\n        ctx.strokeStyle = ann.color;\n        ctx.lineWidth = state.bboxLineWidth * iz;\n        ctx.strokeRect(x, y, w, h);\n\n        // Label + score text\n        var labelText = ann.label || \"\";\n        if (ann.score != null) {\n            labelText += (labelText ? \" \" : \"\") + (ann.score * 100).toFixed(1) + \"%\";\n        }\n        if (labelText) {\n            var fontSize = 11 * iz;\n            ctx.font = \"bold \" + fontSize + \"px -apple-system, BlinkMacSystemFont, sans-serif\";\n            var textMetrics = ctx.measureText(labelText);\n            var textH = 16 * iz;\n            var pad = 4 * iz;\n            var bgW = textMetrics.width + pad * 2;\n            var bgH = textH + pad;\n\n            // Place label above bbox; if clipped, place inside top edge\n            var labelAbove = y - bgH >= 0;\n            var bgY = labelAbove ? y - bgH : y;\n            var textY = labelAbove ? y - pad / 2 : y + bgH - pad / 2;\n\n            // Semi-transparent background\n            ctx.fillStyle = ann.color;\n            ctx.globalAlpha = baseAlpha * 0.7;\n            ctx.fillRect(x, bgY, bgW, bgH);\n\n            // White text\n            ctx.globalAlpha = baseAlpha;\n            ctx.fillStyle = \"#ffffff\";\n            ctx.textBaseline = \"bottom\";\n            ctx.fillText(labelText, x + pad, textY);\n        }\n    }\n\n    function drawConnections(ann) {\n        var kps = ann.keypoints;\n        var conns = ann.connections;\n        if (!conns || conns.length === 0 || !kps || kps.length === 0) return;\n\n        var baseAlpha = ctx.globalAlpha;\n        ctx.strokeStyle = ann.color;\n        ctx.lineWidth = state.connectionWidth / state.zoom;\n        ctx.globalAlpha = baseAlpha * state.connectionAlpha;\n\n        for (var i = 0; i < conns.length; i++) {\n            var idxA = conns[i][0];\n            var idxB = conns[i][1];\n            if (idxA < 0 || idxA >= kps.length || idxB < 0 || idxB >= kps.length) continue;\n\n            var a = kps[idxA];\n            var b = kps[idxB];\n\n            if (!isKeypointVisible(a) || !isKeypointVisible(b)) continue;\n\n            ctx.beginPath();\n            ctx.moveTo(a.x * state.scale, a.y * state.scale);\n            ctx.lineTo(b.x * state.scale, b.y * state.scale);\n            ctx.stroke();\n        }\n\n        ctx.globalAlpha = baseAlpha;\n    }\n\n    function drawKeypoints(ann) {\n        var kps = ann.keypoints;\n        if (!kps || kps.length === 0) return;\n\n        var iz = 1 / state.zoom;\n        for (var i = 0; i < kps.length; i++) {\n            var kp = kps[i];\n            if (!isKeypointVisible(kp)) continue;\n\n            var cx = kp.x * state.scale;\n            var cy = kp.y * state.scale;\n\n            // White border\n            ctx.beginPath();\n            ctx.arc(cx, cy, (state.keypointRadius + 1) * iz, 0, 2 * Math.PI);\n            ctx.fillStyle = \"#ffffff\";\n            ctx.fill();\n\n            // Colored fill\n            ctx.beginPath();\n            ctx.arc(cx, cy, state.keypointRadius * iz, 0, 2 * Math.PI);\n            ctx.fillStyle = ann.color;\n            ctx.fill();\n        }\n    }\n\n    // \u2500\u2500 RLE Decode \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    function createMaskCanvas(rle, colorHex) {\n        var counts = rle.counts;\n        var h = rle.size[0], w = rle.size[1];\n        var r = parseInt(colorHex.slice(1, 3), 16);\n        var g = parseInt(colorHex.slice(3, 5), 16);\n        var b = parseInt(colorHex.slice(5, 7), 16);\n        var offscreen = document.createElement(\"canvas\");\n        offscreen.width = w;\n        offscreen.height = h;\n        var offCtx = offscreen.getContext(\"2d\");\n        var imageData = offCtx.createImageData(w, h);\n        var data = imageData.data;\n        // RLE is column-major (COCO format), convert to row-major ImageData\n        var pos = 0;\n        for (var i = 0; i < counts.length; i++) {\n            var c = counts[i];\n            if (i % 2 === 1) {\n                var end = pos + c;\n                for (var j = pos; j < end; j++) {\n                    var row = j % h;\n                    var col = (j / h) | 0;\n                    var idx = (row * w + col) * 4;\n                    data[idx] = r;\n                    data[idx + 1] = g;\n                    data[idx + 2] = b;\n                    data[idx + 3] = 255;\n                }\n            }\n            pos += c;\n        }\n        offCtx.putImageData(imageData, 0, 0);\n        return offscreen;\n    }\n\n    // \u2500\u2500 Helpers \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    function buildAnnotationSummary(ann) {\n        var parts = [];\n        if (ann.mask) {\n            parts.push(\"mask\");\n        }\n        if (ann.bbox) {\n            parts.push(\"bbox\");\n        }\n        var kps = ann.keypoints || [];\n        if (kps.length > 0) {\n            var validCount = 0;\n            for (var j = 0; j < kps.length; j++) {\n                if (isKeypointVisible(kps[j])) validCount++;\n            }\n            parts.push(validCount + \" pts\");\n        }\n        if (ann.score != null) {\n            parts.push((ann.score * 100).toFixed(1) + \"%\");\n        }\n        return parts.join(\", \") || \"empty\";\n    }\n\n    function escapeHtml(text) {\n        var div = document.createElement(\"div\");\n        div.textContent = text;\n        return div.innerHTML;\n    }\n\n    function getLabelColor(label) {\n        // Return the color of the first annotation with this label\n        for (var i = 0; i < state.annotations.length; i++) {\n            if (state.annotations[i].label === label) {\n                return state.annotations[i].color;\n            }\n        }\n        return \"#888\";\n    }\n\n    function getDefaultSortMode() {\n        var hasScores = false;\n        var hasBboxes = false;\n        for (var i = 0; i < state.annotations.length; i++) {\n            if (state.annotations[i].score != null) hasScores = true;\n            if (state.annotations[i].bbox) hasBboxes = true;\n            if (hasScores && hasBboxes) break;\n        }\n        if (hasScores) return \"score-desc\";\n        if (hasBboxes) return \"size-desc\";\n        return \"none\";\n    }\n\n    function bboxArea(ann) {\n        if (!ann.bbox) return null;\n        return ann.bbox.width * ann.bbox.height;\n    }\n\n    function computeSortedIndices() {\n        var n = state.annotations.length;\n        var indices = [];\n        for (var i = 0; i < n; i++) indices.push(i);\n\n        var mode = state.sortMode;\n        if (mode === \"score-desc\" || mode === \"score-asc\") {\n            var dir = mode === \"score-desc\" ? -1 : 1;\n            indices.sort(function (a, b) {\n                var sa = state.annotations[a].score;\n                var sb = state.annotations[b].score;\n                var hasA = sa != null;\n                var hasB = sb != null;\n                if (hasA && hasB) return (sa - sb) * dir || a - b;\n                if (hasA) return -1;\n                if (hasB) return 1;\n                return a - b;\n            });\n        } else if (mode === \"size-desc\" || mode === \"size-asc\") {\n            var dir = mode === \"size-desc\" ? -1 : 1;\n            indices.sort(function (a, b) {\n                var aa = bboxArea(state.annotations[a]);\n                var ab = bboxArea(state.annotations[b]);\n                var hasA = aa != null;\n                var hasB = ab != null;\n                if (hasA && hasB) return (aa - ab) * dir || a - b;\n                if (hasA) return -1;\n                if (hasB) return 1;\n                return a - b;\n            });\n        }\n\n        // Stable partition: visible first, hidden last (only when some label filter is OFF)\n        var anyLabelFiltered = false;\n        var labels = Object.keys(state.labelVisibility);\n        for (var li = 0; li < labels.length; li++) {\n            if (!state.labelVisibility[labels[li]]) { anyLabelFiltered = true; break; }\n        }\n        if (anyLabelFiltered) {\n            var visible = [];\n            var hidden = [];\n            for (var j = 0; j < indices.length; j++) {\n                var idx = indices[j];\n                var ann = state.annotations[idx];\n                var labelHidden = ann.label && state.labelVisibility.hasOwnProperty(ann.label) && !state.labelVisibility[ann.label];\n                if (labelHidden) hidden.push(idx);\n                else visible.push(idx);\n            }\n            indices = visible.concat(hidden);\n        }\n\n        state.sortedIndices = indices;\n    }\n\n    function handleSortToggle(e) {\n        var key = e.currentTarget.getAttribute(\"data-sort-key\");\n        if (!key) return;\n        // Toggle direction if same key is already active\n        if (state.sortMode === key + \"-desc\") {\n            state.sortMode = key + \"-asc\";\n        } else if (state.sortMode === key + \"-asc\") {\n            state.sortMode = key + \"-desc\";\n        } else {\n            state.sortMode = key + \"-desc\";\n        }\n        computeSortedIndices();\n        renderControlPanel();\n    }\n\n    function updateHeaderStats() {\n        if (!countEl) return;\n\n        var total = state.annotations.length;\n        var visibleCount = 0;\n        var minScore = Infinity;\n        var maxScore = -Infinity;\n        var hasScores = false;\n\n        for (var i = 0; i < state.annotations.length; i++) {\n            if (!isAnnotationVisible(i)) continue;\n            visibleCount++;\n            var ann = state.annotations[i];\n            if (ann.score != null) {\n                hasScores = true;\n                if (ann.score < minScore) minScore = ann.score;\n                if (ann.score > maxScore) maxScore = ann.score;\n            }\n        }\n\n        var text = visibleCount + \" / \" + total;\n        if (hasScores && visibleCount > 0) {\n            text += \" \\u00B7 \" + (minScore * 100).toFixed(0) + \"\\u2013\" + (maxScore * 100).toFixed(0) + \"%\";\n        }\n        countEl.textContent = text;\n    }\n\n    // \u2500\u2500 Control Panel \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    function renderControlPanel() {\n        if (state.annotations.length === 0) {\n            controlPanel.classList.remove(\"visible\");\n            annotationList.innerHTML = \"\";\n            return;\n        }\n\n        computeSortedIndices();\n\n        var html = \"\";\n\n        // Detect which layer types are present in annotations\n        var availableLayers = [];\n        var hasMasks = false, hasBoxes = false, hasSkeleton = false, hasKeypoints = false;\n        for (var i = 0; i < state.annotations.length; i++) {\n            var ann = state.annotations[i];\n            if (ann.mask) hasMasks = true;\n            if (ann.bbox) hasBoxes = true;\n            if (ann.connections && ann.connections.length > 0) hasSkeleton = true;\n            if (ann.keypoints && ann.keypoints.length > 0) hasKeypoints = true;\n        }\n        if (hasMasks) availableLayers.push(\"masks\");\n        if (hasBoxes) availableLayers.push(\"boxes\");\n        if (hasSkeleton) availableLayers.push(\"skeleton\");\n        if (hasKeypoints) availableLayers.push(\"keypoints\");\n\n        var layerLabels = { masks: \"Masks\", boxes: \"Boxes\", skeleton: \"Skeleton\", keypoints: \"Keypoints\" };\n\n        // Only show layer toggles when 2+ types are present\n        if (availableLayers.length >= 2) {\n            html += '<div class=\"layer-toggles\">';\n            for (var i = 0; i < availableLayers.length; i++) {\n                var layer = availableLayers[i];\n                html += '<button class=\"layer-btn' + (state.layers[layer] ? ' active' : '') + '\" data-layer=\"' + layer + '\">' + layerLabels[layer] + '</button>';\n            }\n            html += '</div>';\n        }\n\n        // Label filters with counts\n        var labels = Object.keys(state.labelVisibility);\n        if (labels.length > 0) {\n            var labelTotalCounts = {};\n            for (var i = 0; i < state.annotations.length; i++) {\n                var lbl = state.annotations[i].label;\n                if (lbl) labelTotalCounts[lbl] = (labelTotalCounts[lbl] || 0) + 1;\n            }\n            html += '<div class=\"label-filters\">';\n            html += '<span class=\"label-filters-title\">Labels</span>';\n            for (var li = 0; li < labels.length; li++) {\n                var lbl = labels[li];\n                var lblActive = state.labelVisibility[lbl];\n                var lblColor = getLabelColor(lbl);\n                html += '<button class=\"label-filter-btn' + (lblActive ? ' active' : '') + '\" data-label=\"' + escapeHtml(lbl) + '\">';\n                html += '<span class=\"label-color-dot\" style=\"background:' + lblColor + '\"></span>';\n                html += escapeHtml(lbl) + ' <span class=\"label-count\">' + (labelTotalCounts[lbl] || 0) + '</span>';\n                html += '</button>';\n            }\n            html += '</div>';\n        }\n\n        // Sort controls\n        var hasScoresForSort = false;\n        var hasBboxesForSort = false;\n        for (var si = 0; si < state.annotations.length; si++) {\n            if (state.annotations[si].score != null) hasScoresForSort = true;\n            if (state.annotations[si].bbox) hasBboxesForSort = true;\n        }\n        if (hasScoresForSort || hasBboxesForSort) {\n            var sortButtons = [];\n            if (hasScoresForSort) sortButtons.push(\"score\");\n            if (hasBboxesForSort) sortButtons.push(\"size\");\n            // Only show controls when 2+ sort options exist\n            if (sortButtons.length >= 2) {\n                var sortLabels = { score: \"Score\", size: \"Size\" };\n                html += '<div class=\"sort-controls\">';\n                html += '<span class=\"sort-controls-title\">Sort</span>';\n                for (var sbi = 0; sbi < sortButtons.length; sbi++) {\n                    var sk = sortButtons[sbi];\n                    var isDesc = state.sortMode === sk + \"-desc\";\n                    var isAsc = state.sortMode === sk + \"-asc\";\n                    var isActive = isDesc || isAsc;\n                    var arrow = isActive ? (isDesc ? \" \\u25BC\" : \" \\u25B2\") : \"\";\n                    html += '<button class=\"sort-btn' + (isActive ? ' active' : '') + '\" data-sort-key=\"' + sk + '\">' + sortLabels[sk] + arrow + '</button>';\n                }\n                html += '</div>';\n            }\n        }\n\n        // Dual-thumb score threshold slider\n        html += '<div class=\"threshold-row\">';\n        html += '<span>Score</span>';\n        html += '<div class=\"dual-range-wrapper\">';\n        html += '<input type=\"range\" class=\"threshold-slider-min\" min=\"0\" max=\"100\" value=\"' + Math.round(state.thresholdMin * 100) + '\">';\n        html += '<input type=\"range\" class=\"threshold-slider-max\" min=\"0\" max=\"100\" value=\"' + Math.round(state.thresholdMax * 100) + '\">';\n        html += '</div>';\n        html += '<span class=\"threshold-value\">' + Math.round(state.thresholdMin * 100) + '%\\u2013' + Math.round(state.thresholdMax * 100) + '%</span>';\n        html += '</div>';\n\n        // Keypoint threshold slider (only when annotations have keypoints)\n        if (hasKeypoints) {\n            html += '<div class=\"threshold-row\">';\n            html += '<span>Keypoint &ge;</span>';\n            html += '<input type=\"range\" class=\"keypoint-threshold-slider\" min=\"0\" max=\"100\" value=\"' + Math.round(state.keypointThreshold * 100) + '\">';\n            html += '<span class=\"keypoint-threshold-value\">' + Math.round(state.keypointThreshold * 100) + '%</span>';\n            html += '</div>';\n        }\n\n        // Collapsible draw options section\n        var drawOptionsHtml = '';\n        if (hasMasks) {\n            drawOptionsHtml += '<div class=\"threshold-row\">';\n            drawOptionsHtml += '<span>Mask Opacity</span>';\n            drawOptionsHtml += '<input type=\"range\" class=\"mask-alpha-slider\" min=\"0\" max=\"100\" step=\"5\" value=\"' + Math.round(state.maskAlpha * 100) + '\">';\n            drawOptionsHtml += '<span class=\"slider-value mask-alpha-value\">' + Math.round(state.maskAlpha * 100) + '%</span>';\n            drawOptionsHtml += '</div>';\n        }\n        if (hasKeypoints) {\n            drawOptionsHtml += '<div class=\"threshold-row\">';\n            drawOptionsHtml += '<span>Keypoint Size</span>';\n            drawOptionsHtml += '<input type=\"range\" class=\"keypoint-radius-slider\" min=\"1\" max=\"20\" step=\"1\" value=\"' + state.keypointRadius + '\">';\n            drawOptionsHtml += '<span class=\"slider-value keypoint-radius-value\">' + state.keypointRadius + '</span>';\n            drawOptionsHtml += '</div>';\n        }\n        if (hasSkeleton) {\n            drawOptionsHtml += '<div class=\"threshold-row\">';\n            drawOptionsHtml += '<span>Line Width</span>';\n            drawOptionsHtml += '<input type=\"range\" class=\"connection-width-slider\" min=\"1\" max=\"10\" step=\"1\" value=\"' + state.connectionWidth + '\">';\n            drawOptionsHtml += '<span class=\"slider-value connection-width-value\">' + state.connectionWidth + '</span>';\n            drawOptionsHtml += '</div>';\n            drawOptionsHtml += '<div class=\"threshold-row\">';\n            drawOptionsHtml += '<span>Line Opacity</span>';\n            drawOptionsHtml += '<input type=\"range\" class=\"connection-alpha-slider\" min=\"0\" max=\"100\" step=\"5\" value=\"' + Math.round(state.connectionAlpha * 100) + '\">';\n            drawOptionsHtml += '<span class=\"slider-value connection-alpha-value\">' + Math.round(state.connectionAlpha * 100) + '%</span>';\n            drawOptionsHtml += '</div>';\n        }\n        if (hasBoxes) {\n            drawOptionsHtml += '<div class=\"threshold-row\">';\n            drawOptionsHtml += '<span>Box Width</span>';\n            drawOptionsHtml += '<input type=\"range\" class=\"bbox-line-width-slider\" min=\"1\" max=\"10\" step=\"1\" value=\"' + state.bboxLineWidth + '\">';\n            drawOptionsHtml += '<span class=\"slider-value bbox-line-width-value\">' + state.bboxLineWidth + '</span>';\n            drawOptionsHtml += '</div>';\n        }\n        if (drawOptionsHtml) {\n            html += '<div class=\"draw-options' + (state.drawOptionsOpen ? ' open' : '') + '\">';\n            html += '<button class=\"draw-options-toggle\">Draw Options <span class=\"draw-options-arrow\">&#9654;</span></button>';\n            html += '<div class=\"draw-options-body\">' + drawOptionsHtml + '</div>';\n            html += '</div>';\n        }\n\n        // Select-all row + scrollable annotation rows container\n        html += '<div class=\"annotation-rows\">';\n\n        var allChecked = true;\n        var anyChecked = false;\n        for (var i = 0; i < state.visibility.length; i++) {\n            if (state.visibility[i]) anyChecked = true;\n            else allChecked = false;\n        }\n        html += '<div class=\"select-all-row\">';\n        html += '<input type=\"checkbox\" class=\"select-all-checkbox\"' + (anyChecked ? ' checked' : '') + '>';\n        html += '<span class=\"select-all-label\">All</span>';\n        html += '</div>';\n\n        // Annotation rows (iterate in sorted/grouped order)\n        var anyLabelFiltered = false;\n        var labelKeys = Object.keys(state.labelVisibility);\n        for (var li = 0; li < labelKeys.length; li++) {\n            if (!state.labelVisibility[labelKeys[li]]) { anyLabelFiltered = true; break; }\n        }\n        var separatorInserted = false;\n\n        for (var si = 0; si < state.sortedIndices.length; si++) {\n            var i = state.sortedIndices[si];\n            var ann = state.annotations[i];\n            var visible = state.visibility[i];\n            var selected = state.selectedIndex === i;\n            var summary = buildAnnotationSummary(ann);\n            var outsideRange = ann.score != null && (ann.score < state.thresholdMin || ann.score > state.thresholdMax);\n            var labelHidden = ann.label && state.labelVisibility.hasOwnProperty(ann.label) && !state.labelVisibility[ann.label];\n\n            // Insert separator before the first label-hidden item\n            if (anyLabelFiltered && labelHidden && !separatorInserted) {\n                html += '<div class=\"annotation-group-separator\"><span>Hidden</span></div>';\n                separatorInserted = true;\n            }\n\n            var expanded = state.expandedIndex === i;\n\n            html += '<div class=\"annotation-row' + (selected ? ' selected' : '') + (outsideRange ? ' below-threshold' : '') + (labelHidden ? ' filtered-out' : '') + '\" data-index=\"' + i + '\">';\n            html += '<span class=\"ann-dot\" style=\"background:' + ann.color + '\"></span>';\n            html += '<input type=\"checkbox\" class=\"ann-checkbox\" data-index=\"' + i + '\"' + (visible ? ' checked' : '') + '>';\n            html += '<span class=\"ann-label\">' + escapeHtml(ann.label) + '</span>';\n            html += '<span class=\"ann-summary\">' + escapeHtml(summary) + '</span>';\n            html += '<button class=\"ann-expand' + (expanded ? ' expanded' : '') + '\" data-index=\"' + i + '\">&#9654;</button>';\n            html += '</div>';\n\n            // Detail panel (shown when expand button is clicked)\n            html += '<div class=\"annotation-detail' + (expanded ? ' visible' : '') + '\" data-index=\"' + i + '\">';\n            html += buildDetailHtml(ann);\n            html += '</div>';\n        }\n\n        html += '</div>'; // close .annotation-rows\n\n        annotationList.innerHTML = html;\n        controlPanel.classList.add(\"visible\");\n        updateHeaderStats();\n\n        // Initialize dual-range track highlight\n        var dualWrapper = annotationList.querySelector(\".dual-range-wrapper\");\n        if (dualWrapper) updateDualRangeTrack(dualWrapper);\n\n        // Bind layer toggle events\n        var layerBtns = annotationList.querySelectorAll(\".layer-btn\");\n        for (var i = 0; i < layerBtns.length; i++) {\n            layerBtns[i].addEventListener(\"click\", handleLayerToggle);\n        }\n\n        // Bind label filter events (single-click: toggle, double-click: solo)\n        var labelBtns = annotationList.querySelectorAll(\".label-filter-btn\");\n        for (var i = 0; i < labelBtns.length; i++) {\n            labelBtns[i].addEventListener(\"click\", handleLabelFilterClick);\n            labelBtns[i].addEventListener(\"dblclick\", handleLabelFilterDblClick);\n        }\n\n        // Bind sort button events\n        var sortBtns = annotationList.querySelectorAll(\".sort-btn\");\n        for (var i = 0; i < sortBtns.length; i++) {\n            sortBtns[i].addEventListener(\"click\", handleSortToggle);\n        }\n\n        // Bind dual threshold sliders\n        var sliderMin = annotationList.querySelector(\".threshold-slider-min\");\n        var sliderMax = annotationList.querySelector(\".threshold-slider-max\");\n        if (sliderMin) sliderMin.addEventListener(\"input\", handleThresholdMinChange);\n        if (sliderMax) sliderMax.addEventListener(\"input\", handleThresholdMaxChange);\n\n        // Bind keypoint threshold slider\n        var kpSlider = annotationList.querySelector(\".keypoint-threshold-slider\");\n        if (kpSlider) {\n            kpSlider.addEventListener(\"input\", handleKeypointThresholdChange);\n        }\n\n        // Bind draw options toggle\n        var drawToggle = annotationList.querySelector(\".draw-options-toggle\");\n        if (drawToggle) {\n            drawToggle.addEventListener(\"click\", function () {\n                var section = drawToggle.closest(\".draw-options\");\n                section.classList.toggle(\"open\");\n                state.drawOptionsOpen = section.classList.contains(\"open\");\n            });\n        }\n\n        // Bind visual parameter sliders\n        var maSlider = annotationList.querySelector(\".mask-alpha-slider\");\n        if (maSlider) {\n            maSlider.addEventListener(\"input\", handleMaskAlphaChange);\n        }\n        var krSlider = annotationList.querySelector(\".keypoint-radius-slider\");\n        if (krSlider) {\n            krSlider.addEventListener(\"input\", handleKeypointRadiusChange);\n        }\n        var cwSlider = annotationList.querySelector(\".connection-width-slider\");\n        if (cwSlider) {\n            cwSlider.addEventListener(\"input\", handleConnectionWidthChange);\n        }\n        var caSlider = annotationList.querySelector(\".connection-alpha-slider\");\n        if (caSlider) {\n            caSlider.addEventListener(\"input\", handleConnectionAlphaChange);\n        }\n        var blwSlider = annotationList.querySelector(\".bbox-line-width-slider\");\n        if (blwSlider) {\n            blwSlider.addEventListener(\"input\", handleBboxLineWidthChange);\n        }\n\n        // Initialize single slider track fills\n        var singleSliders = annotationList.querySelectorAll('.threshold-row input[type=\"range\"]:not(.threshold-slider-min):not(.threshold-slider-max)');\n        for (var i = 0; i < singleSliders.length; i++) {\n            updateSliderTrack(singleSliders[i]);\n        }\n\n        // Bind select-all checkbox\n        var selectAllCb = annotationList.querySelector(\".select-all-checkbox\");\n        if (selectAllCb) {\n            // Set indeterminate state: some checked but not all\n            if (anyChecked && !allChecked) {\n                selectAllCb.indeterminate = true;\n            }\n            selectAllCb.addEventListener(\"change\", function (e) {\n                var newVal = e.target.checked;\n                for (var i = 0; i < state.visibility.length; i++) {\n                    state.visibility[i] = newVal;\n                }\n                render();\n                renderControlPanel();\n            });\n        }\n\n        // Bind checkbox events\n        var checkboxes = annotationList.querySelectorAll(\".ann-checkbox\");\n        for (var i = 0; i < checkboxes.length; i++) {\n            checkboxes[i].addEventListener(\"change\", handleCheckboxChange);\n            checkboxes[i].addEventListener(\"click\", function (e) { e.stopPropagation(); });\n        }\n\n        // Bind expand button events\n        var expandBtns = annotationList.querySelectorAll(\".ann-expand\");\n        for (var i = 0; i < expandBtns.length; i++) {\n            expandBtns[i].addEventListener(\"click\", handleExpandClick);\n        }\n\n        // Bind row click events\n        var rows = annotationList.querySelectorAll(\".annotation-row\");\n        for (var i = 0; i < rows.length; i++) {\n            rows[i].addEventListener(\"click\", handleRowClick);\n        }\n    }\n\n    function buildDetailHtml(ann) {\n        var html = \"\";\n        if (ann.bbox) {\n            html += '<div class=\"detail-section-title\">Bounding Box</div>';\n            html += '<table>';\n            html += '<tr><td>Position:</td><td>' + ann.bbox.x.toFixed(1) + ', ' + ann.bbox.y.toFixed(1) + '</td></tr>';\n            html += '<tr><td>Size:</td><td>' + ann.bbox.width.toFixed(1) + ' &times; ' + ann.bbox.height.toFixed(1) + '</td></tr>';\n            if (ann.score != null) {\n                html += '<tr><td>Score:</td><td>' + (ann.score * 100).toFixed(1) + '%</td></tr>';\n            }\n            html += '</table>';\n        }\n        var kps = ann.keypoints || [];\n        if (kps.length > 0) {\n            html += '<div class=\"detail-section-title\">Keypoints</div>';\n            html += '<table>';\n            for (var j = 0; j < kps.length; j++) {\n                var kp = kps[j];\n                var name = kp.name || (\"kp\" + j);\n                var coords = (kp.x != null && kp.y != null) ? kp.x.toFixed(1) + ', ' + kp.y.toFixed(1) : \"missing\";\n                var conf = kp.confidence != null ? (kp.confidence * 100).toFixed(1) + '%' : \"\";\n                html += '<tr><td>' + escapeHtml(name) + '</td><td>' + coords + '</td><td>' + conf + '</td></tr>';\n            }\n            html += '</table>';\n        }\n        return html || '<span>No details available</span>';\n    }\n\n    // \u2500\u2500 Event Handlers \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    function handleLayerToggle(e) {\n        var layer = e.target.getAttribute(\"data-layer\");\n        if (layer && state.layers.hasOwnProperty(layer)) {\n            state.layers[layer] = !state.layers[layer];\n            render();\n            renderControlPanel();\n        }\n    }\n\n    var labelClickTimer = null;\n\n    function handleLabelFilterClick(e) {\n        var label = e.currentTarget.getAttribute(\"data-label\");\n        if (!label || !state.labelVisibility.hasOwnProperty(label)) return;\n        if (labelClickTimer) clearTimeout(labelClickTimer);\n        labelClickTimer = setTimeout(function () {\n            labelClickTimer = null;\n            var newVal = !state.labelVisibility[label];\n            state.labelVisibility[label] = newVal;\n            for (var i = 0; i < state.annotations.length; i++) {\n                if (state.annotations[i].label === label) {\n                    state.visibility[i] = newVal;\n                }\n            }\n            render();\n            renderControlPanel();\n        }, 200);\n    }\n\n    function handleLabelFilterDblClick(e) {\n        e.preventDefault();\n        if (labelClickTimer) {\n            clearTimeout(labelClickTimer);\n            labelClickTimer = null;\n        }\n        var label = e.currentTarget.getAttribute(\"data-label\");\n        if (!label || !state.labelVisibility.hasOwnProperty(label)) return;\n\n        // Check if this label is already solo (only this one is ON)\n        var labels = Object.keys(state.labelVisibility);\n        var onlyThisOn = labels.every(function (l) {\n            return l === label ? state.labelVisibility[l] : !state.labelVisibility[l];\n        });\n\n        if (onlyThisOn) {\n            // Unsolo: turn all labels ON\n            for (var li = 0; li < labels.length; li++) {\n                state.labelVisibility[labels[li]] = true;\n            }\n            for (var i = 0; i < state.annotations.length; i++) {\n                state.visibility[i] = true;\n            }\n        } else {\n            // Solo: turn only this label ON\n            for (var li = 0; li < labels.length; li++) {\n                state.labelVisibility[labels[li]] = (labels[li] === label);\n            }\n            for (var i = 0; i < state.annotations.length; i++) {\n                state.visibility[i] = (state.annotations[i].label === label);\n            }\n        }\n        render();\n        renderControlPanel();\n    }\n\n    function updateThresholdUI() {\n        render();\n        var label = annotationList.querySelector(\".threshold-value\");\n        if (label) label.textContent = Math.round(state.thresholdMin * 100) + '%\\u2013' + Math.round(state.thresholdMax * 100) + '%';\n        // Update row opacity for outside-range items\n        var rows = annotationList.querySelectorAll(\".annotation-row\");\n        for (var i = 0; i < rows.length; i++) {\n            var idx = parseInt(rows[i].getAttribute(\"data-index\"), 10);\n            var ann = state.annotations[idx];\n            var outsideRange = ann.score != null && (ann.score < state.thresholdMin || ann.score > state.thresholdMax);\n            if (outsideRange) {\n                rows[i].classList.add(\"below-threshold\");\n            } else {\n                rows[i].classList.remove(\"below-threshold\");\n            }\n        }\n        // Update track highlight\n        var wrapper = annotationList.querySelector(\".dual-range-wrapper\");\n        if (wrapper) updateDualRangeTrack(wrapper);\n        updateHeaderStats();\n    }\n\n    function handleThresholdMinChange(e) {\n        var val = parseInt(e.target.value, 10) / 100;\n        state.thresholdMin = Math.min(val, state.thresholdMax);\n        e.target.value = Math.round(state.thresholdMin * 100);\n        updateThresholdUI();\n    }\n\n    function handleThresholdMaxChange(e) {\n        var val = parseInt(e.target.value, 10) / 100;\n        state.thresholdMax = Math.max(val, state.thresholdMin);\n        e.target.value = Math.round(state.thresholdMax * 100);\n        updateThresholdUI();\n    }\n\n    function updateSliderTrack(slider) {\n        var min = parseFloat(slider.min) || 0;\n        var max = parseFloat(slider.max) || 100;\n        var val = parseFloat(slider.value) || 0;\n        var pct = ((val - min) / (max - min)) * 100;\n        var t = 'calc(50% - 2px)';\n        var b = 'calc(50% + 2px)';\n        slider.style.background =\n            'linear-gradient(to bottom, transparent ' + t + ', var(--color-accent, #2196F3) ' + t + ', var(--color-accent, #2196F3) ' + b + ', transparent ' + b + ') 0 0 / ' + pct + '% 100% no-repeat, ' +\n            'linear-gradient(to bottom, transparent ' + t + ', var(--border-color-primary, #d0d0d0) ' + t + ', var(--border-color-primary, #d0d0d0) ' + b + ', transparent ' + b + ')';\n    }\n\n    function updateDualRangeTrack(wrapper) {\n        var minVal = Math.round(state.thresholdMin * 100);\n        var maxVal = Math.round(state.thresholdMax * 100);\n        wrapper.style.background = 'linear-gradient(to right, var(--border-color-primary, #d0d0d0) ' + minVal + '%, var(--color-accent, #2196F3) ' + minVal + '%, var(--color-accent, #2196F3) ' + maxVal + '%, var(--border-color-primary, #d0d0d0) ' + maxVal + '%)';\n    }\n\n    function handleKeypointThresholdChange(e) {\n        state.keypointThreshold = parseInt(e.target.value, 10) / 100;\n        render();\n        updateSliderTrack(e.target);\n        // Update keypoint threshold label\n        var label = annotationList.querySelector(\".keypoint-threshold-value\");\n        if (label) label.textContent = Math.round(state.keypointThreshold * 100) + '%';\n        updateHeaderStats();\n        // Update annotation summaries\n        var summaryEls = annotationList.querySelectorAll(\".ann-summary\");\n        for (var i = 0; i < summaryEls.length; i++) {\n            var row = summaryEls[i].closest(\".annotation-row\");\n            if (row) {\n                var idx = parseInt(row.getAttribute(\"data-index\"), 10);\n                summaryEls[i].textContent = buildAnnotationSummary(state.annotations[idx]);\n            }\n        }\n    }\n\n    function handleKeypointRadiusChange(e) {\n        state.keypointRadius = parseInt(e.target.value, 10);\n        render();\n        updateSliderTrack(e.target);\n        var label = annotationList.querySelector(\".keypoint-radius-value\");\n        if (label) label.textContent = state.keypointRadius;\n    }\n\n    function handleConnectionWidthChange(e) {\n        state.connectionWidth = parseInt(e.target.value, 10);\n        render();\n        updateSliderTrack(e.target);\n        var label = annotationList.querySelector(\".connection-width-value\");\n        if (label) label.textContent = state.connectionWidth;\n    }\n\n    function handleMaskAlphaChange(e) {\n        state.maskAlpha = parseInt(e.target.value, 10) / 100;\n        render();\n        updateSliderTrack(e.target);\n        var label = annotationList.querySelector(\".mask-alpha-value\");\n        if (label) label.textContent = Math.round(state.maskAlpha * 100) + '%';\n    }\n\n    function handleConnectionAlphaChange(e) {\n        state.connectionAlpha = parseInt(e.target.value, 10) / 100;\n        render();\n        updateSliderTrack(e.target);\n        var label = annotationList.querySelector(\".connection-alpha-value\");\n        if (label) label.textContent = Math.round(state.connectionAlpha * 100) + '%';\n    }\n\n    function handleBboxLineWidthChange(e) {\n        state.bboxLineWidth = parseInt(e.target.value, 10);\n        render();\n        updateSliderTrack(e.target);\n        var label = annotationList.querySelector(\".bbox-line-width-value\");\n        if (label) label.textContent = state.bboxLineWidth;\n    }\n\n    function handleExpandClick(e) {\n        e.stopPropagation();\n        var idx = parseInt(e.currentTarget.getAttribute(\"data-index\"), 10);\n        if (state.expandedIndex === idx) {\n            state.expandedIndex = -1;\n        } else {\n            state.expandedIndex = idx;\n        }\n        renderControlPanel();\n    }\n\n    function handleCheckboxChange(e) {\n        var idx = parseInt(e.target.getAttribute(\"data-index\"), 10);\n        state.visibility[idx] = e.target.checked;\n        render();\n        updateHeaderStats();\n    }\n\n    function handleRowClick(e) {\n        var idx = parseInt(e.currentTarget.getAttribute(\"data-index\"), 10);\n        if (state.selectedIndex === idx) {\n            state.selectedIndex = -1;\n        } else {\n            state.selectedIndex = idx;\n        }\n        render();\n        renderControlPanel();\n    }\n\n    // Toggle base image\n    toggleImageBtn.addEventListener(\"click\", function () {\n        state.showImage = !state.showImage;\n        toggleImageBtn.classList.toggle(\"active\", state.showImage);\n        render();\n    });\n\n    // Reset to defaults\n    resetBtn.addEventListener(\"click\", resetToDefaults);\n\n    // Maximize / minimize\n    function toggleMaximize() {\n        state.maximized = !state.maximized;\n        container.classList.toggle(\"maximized\", state.maximized);\n\n        if (state.maximized) {\n            document.body.style.overflow = \"hidden\";\n        } else {\n            document.body.style.overflow = \"\";\n        }\n\n        if (state.image) {\n            requestAnimationFrame(function () {\n                fitCanvas();\n                resetZoom();\n            });\n        }\n    }\n\n    maximizeBtn.addEventListener(\"click\", toggleMaximize);\n\n    // Help dialog\n    function toggleHelp() {\n        helpOverlay.classList.toggle(\"visible\");\n    }\n\n    helpBtn.addEventListener(\"click\", toggleHelp);\n    helpCloseBtn.addEventListener(\"click\", toggleHelp);\n    helpOverlay.addEventListener(\"click\", function (e) {\n        if (e.target === helpOverlay) toggleHelp();\n    });\n\n    // \u2500\u2500 Canvas Mouse Interaction (Pan + Selection) \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    canvas.addEventListener(\"mousedown\", function (e) {\n        if (e.button !== 0) return;\n        if (!state.image) return;\n\n        state.isPanning = true;\n        state.didDrag = false;\n        state.panStartX = e.clientX;\n        state.panStartY = e.clientY;\n        state.panStartPanX = state.panX;\n        state.panStartPanY = state.panY;\n\n        if (state.zoom > 1) {\n            canvas.style.cursor = \"grabbing\";\n        }\n    });\n\n    window.addEventListener(\"mousemove\", function (e) {\n        if (!state.image) return;\n\n        if (state.isPanning) {\n            var dx = e.clientX - state.panStartX;\n            var dy = e.clientY - state.panStartY;\n\n            if (!state.didDrag && (Math.abs(dx) > DRAG_THRESHOLD || Math.abs(dy) > DRAG_THRESHOLD)) {\n                state.didDrag = true;\n            }\n\n            if (state.didDrag && state.zoom > 1) {\n                var rect = canvas.getBoundingClientRect();\n                var cssToCanvasX = canvas.width / rect.width;\n                var cssToCanvasY = canvas.height / rect.height;\n                state.panX = state.panStartPanX + dx * cssToCanvasX;\n                state.panY = state.panStartPanY + dy * cssToCanvasY;\n                clampPan();\n                render();\n            }\n            return;\n        }\n\n        // Tooltip logic (only when not dragging)\n        var rect = canvas.getBoundingClientRect();\n        if (e.clientX < rect.left || e.clientX > rect.right || e.clientY < rect.top || e.clientY > rect.bottom) return;\n        if (state.annotations.length === 0) return;\n\n        var pt = clientToCanvas(e.clientX, e.clientY);\n        var cx = pt.x;\n        var cy = pt.y;\n\n        // Update cursor\n        var hitIndex = findHitAnnotationIndex(cx, cy);\n        if (state.zoom > 1) {\n            canvas.style.cursor = hitIndex >= 0 ? \"pointer\" : \"grab\";\n        } else {\n            canvas.style.cursor = hitIndex >= 0 ? \"pointer\" : \"default\";\n        }\n\n        var nearest = findNearestKeypoint(cx, cy);\n        var tooltipText = \"\";\n        if (nearest) {\n            tooltipText = nearest.kp.name;\n            if (nearest.kp.confidence != null) {\n                tooltipText += \" (\" + (nearest.kp.confidence * 100).toFixed(1) + \"%)\";\n            }\n        } else {\n            var bboxHit = findBboxAt(cx, cy);\n            if (bboxHit) {\n                tooltipText = bboxHit.label || \"\";\n                if (bboxHit.score != null) {\n                    tooltipText += (tooltipText ? \" \" : \"\") + (bboxHit.score * 100).toFixed(1) + \"%\";\n                }\n            }\n        }\n\n        if (tooltipText) {\n            tooltip.textContent = tooltipText;\n            tooltip.classList.add(\"visible\");\n\n            var containerRect = container.getBoundingClientRect();\n            var tooltipX = e.clientX - containerRect.left + 12;\n            var tooltipY = e.clientY - containerRect.top - 8;\n            tooltip.style.left = tooltipX + \"px\";\n            tooltip.style.top = tooltipY + \"px\";\n        } else {\n            tooltip.classList.remove(\"visible\");\n        }\n    });\n\n    window.addEventListener(\"mouseup\", function (e) {\n        if (!state.isPanning) return;\n        state.isPanning = false;\n\n        if (state.zoom > 1) {\n            canvas.style.cursor = \"grab\";\n        }\n\n        if (!state.didDrag && state.image && state.annotations.length > 0) {\n            var pt = clientToCanvas(e.clientX, e.clientY);\n            var hits = findAllHitAnnotationIndices(pt.x, pt.y);\n            if (e.shiftKey && hits.length > 0) {\n                // Shift+click: hide the topmost hit\n                var target = hits[0];\n                state.visibility[target] = false;\n                if (state.selectedIndex === target) state.selectedIndex = -1;\n            } else if (hits.length === 0) {\n                state.selectedIndex = -1;\n            } else if (hits.length === 1) {\n                // Single hit: toggle as before\n                state.selectedIndex = state.selectedIndex === hits[0] ? -1 : hits[0];\n            } else {\n                // Multiple overlapping hits: cycle through them\n                var curPos = hits.indexOf(state.selectedIndex);\n                if (curPos < 0) {\n                    state.selectedIndex = hits[0];\n                } else {\n                    state.selectedIndex = hits[(curPos + 1) % hits.length];\n                }\n            }\n            render();\n            renderControlPanel();\n        }\n    });\n\n    function findHitAnnotationIndex(cx, cy) {\n        var hits = findAllHitAnnotationIndices(cx, cy);\n        return hits.length > 0 ? hits[0] : -1;\n    }\n\n    function findAllHitAnnotationIndices(cx, cy) {\n        var hitR = HIT_RADIUS / state.zoom;\n        var hitR2 = hitR * hitR;\n        var result = [];\n        var keypointHitSet = {};\n        // Check keypoints first (more precise)\n        for (var i = 0; i < state.annotations.length; i++) {\n            if (!isAnnotationVisible(i)) continue;\n            var kps = state.annotations[i].keypoints || [];\n            for (var j = 0; j < kps.length; j++) {\n                var kp = kps[j];\n                if (!isKeypointVisible(kp)) continue;\n                var dx = cx - kp.x * state.scale;\n                var dy = cy - kp.y * state.scale;\n                if (dx * dx + dy * dy < hitR2) {\n                    result.push(i);\n                    keypointHitSet[i] = true;\n                    break;\n                }\n            }\n        }\n        // Then check bboxes (topmost first)\n        for (var i = state.annotations.length - 1; i >= 0; i--) {\n            if (keypointHitSet[i]) continue;\n            if (!isAnnotationVisible(i)) continue;\n            var bbox = state.annotations[i].bbox;\n            if (!bbox) continue;\n            var bx = bbox.x * state.scale;\n            var by = bbox.y * state.scale;\n            if (cx >= bx && cx <= bx + bbox.width * state.scale && cy >= by && cy <= by + bbox.height * state.scale) {\n                result.push(i);\n            }\n        }\n        return result;\n    }\n\n    // \u2500\u2500 Tooltip (mouseleave) \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    canvas.addEventListener(\"mouseleave\", function () {\n        tooltip.classList.remove(\"visible\");\n        if (!state.isPanning) {\n            canvas.style.cursor = state.zoom > 1 ? \"grab\" : \"default\";\n        }\n    });\n\n    function findNearestKeypoint(cx, cy) {\n        var best = null;\n        var hitR = HIT_RADIUS / state.zoom;\n        var bestDist = hitR * hitR;\n\n        for (var i = 0; i < state.annotations.length; i++) {\n            if (!isAnnotationVisible(i)) continue;\n            var ann = state.annotations[i];\n            var kps = ann.keypoints || [];\n            for (var j = 0; j < kps.length; j++) {\n                var kp = kps[j];\n                if (!isKeypointVisible(kp)) continue;\n\n                var kx = kp.x * state.scale;\n                var ky = kp.y * state.scale;\n                var dx = cx - kx;\n                var dy = cy - ky;\n                var dist = dx * dx + dy * dy;\n\n                if (dist < bestDist) {\n                    bestDist = dist;\n                    best = { kp: kp, ann: ann };\n                }\n            }\n        }\n        return best;\n    }\n\n    function findBboxAt(cx, cy) {\n        for (var i = state.annotations.length - 1; i >= 0; i--) {\n            if (!isAnnotationVisible(i)) continue;\n            var ann = state.annotations[i];\n            var bbox = ann.bbox;\n            if (!bbox) continue;\n\n            var bx = bbox.x * state.scale;\n            var by = bbox.y * state.scale;\n            var bw = bbox.width * state.scale;\n            var bh = bbox.height * state.scale;\n\n            if (cx >= bx && cx <= bx + bw && cy >= by && cy <= by + bh) {\n                return ann;\n            }\n        }\n        return null;\n    }\n\n    // \u2500\u2500 Wheel Zoom \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    canvas.addEventListener(\"wheel\", function (e) {\n        if (!state.image) return;\n        e.preventDefault();\n\n        var delta = e.deltaY;\n        if (e.deltaMode === 1) delta *= 16;\n        else if (e.deltaMode === 2) delta *= 100;\n\n        var newZoom = state.zoom * (1 - delta * ZOOM_SENSITIVITY);\n        newZoom = Math.max(MIN_ZOOM, Math.min(MAX_ZOOM, newZoom));\n\n        // Zoom toward cursor position\n        var rect = canvas.getBoundingClientRect();\n        var mx = (e.clientX - rect.left) * (canvas.width / rect.width);\n        var my = (e.clientY - rect.top) * (canvas.height / rect.height);\n\n        state.panX = mx - (mx - state.panX) * (newZoom / state.zoom);\n        state.panY = my - (my - state.panY) * (newZoom / state.zoom);\n        state.zoom = newZoom;\n        clampPan();\n        render();\n    }, { passive: false });\n\n    // \u2500\u2500 Double-click to Reset Zoom \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    canvas.addEventListener(\"dblclick\", function (e) {\n        if (!state.image) return;\n        e.preventDefault();\n        resetZoom();\n        canvas.style.cursor = \"default\";\n    });\n\n    // \u2500\u2500 Touch Support (Pinch-Zoom + Pan) \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    var touchState = { lastDist: 0, lastCenterX: 0, lastCenterY: 0, touchCount: 0 };\n\n    function getTouchDistance(t1, t2) {\n        var dx = t1.clientX - t2.clientX;\n        var dy = t1.clientY - t2.clientY;\n        return Math.sqrt(dx * dx + dy * dy);\n    }\n\n    function getTouchCenter(t1, t2) {\n        return { x: (t1.clientX + t2.clientX) / 2, y: (t1.clientY + t2.clientY) / 2 };\n    }\n\n    canvas.addEventListener(\"touchstart\", function (e) {\n        if (!state.image) return;\n        e.preventDefault();\n\n        touchState.touchCount = e.touches.length;\n\n        if (e.touches.length === 1) {\n            state.isPanning = true;\n            state.didDrag = false;\n            state.panStartX = e.touches[0].clientX;\n            state.panStartY = e.touches[0].clientY;\n            state.panStartPanX = state.panX;\n            state.panStartPanY = state.panY;\n        } else if (e.touches.length === 2) {\n            state.isPanning = false;\n            touchState.lastDist = getTouchDistance(e.touches[0], e.touches[1]);\n            var center = getTouchCenter(e.touches[0], e.touches[1]);\n            touchState.lastCenterX = center.x;\n            touchState.lastCenterY = center.y;\n        }\n    }, { passive: false });\n\n    canvas.addEventListener(\"touchmove\", function (e) {\n        if (!state.image) return;\n        e.preventDefault();\n\n        if (e.touches.length === 1 && state.isPanning) {\n            var dx = e.touches[0].clientX - state.panStartX;\n            var dy = e.touches[0].clientY - state.panStartY;\n\n            if (!state.didDrag && (Math.abs(dx) > DRAG_THRESHOLD || Math.abs(dy) > DRAG_THRESHOLD)) {\n                state.didDrag = true;\n            }\n\n            if (state.didDrag && state.zoom > 1) {\n                var rect = canvas.getBoundingClientRect();\n                state.panX = state.panStartPanX + dx * (canvas.width / rect.width);\n                state.panY = state.panStartPanY + dy * (canvas.height / rect.height);\n                clampPan();\n                render();\n            }\n        } else if (e.touches.length === 2) {\n            var dist = getTouchDistance(e.touches[0], e.touches[1]);\n            var center = getTouchCenter(e.touches[0], e.touches[1]);\n\n            if (touchState.lastDist > 0) {\n                var scale = dist / touchState.lastDist;\n                var newZoom = Math.max(MIN_ZOOM, Math.min(MAX_ZOOM, state.zoom * scale));\n\n                var rect = canvas.getBoundingClientRect();\n                var mx = (center.x - rect.left) * (canvas.width / rect.width);\n                var my = (center.y - rect.top) * (canvas.height / rect.height);\n\n                state.panX = mx - (mx - state.panX) * (newZoom / state.zoom);\n                state.panY = my - (my - state.panY) * (newZoom / state.zoom);\n\n                // Simultaneous pan\n                var panDx = (center.x - touchState.lastCenterX) * (canvas.width / rect.width);\n                var panDy = (center.y - touchState.lastCenterY) * (canvas.height / rect.height);\n                state.panX += panDx;\n                state.panY += panDy;\n\n                state.zoom = newZoom;\n                clampPan();\n                render();\n            }\n\n            touchState.lastDist = dist;\n            touchState.lastCenterX = center.x;\n            touchState.lastCenterY = center.y;\n        }\n    }, { passive: false });\n\n    canvas.addEventListener(\"touchend\", function (e) {\n        if (!state.image) return;\n        e.preventDefault();\n\n        if (e.touches.length === 0) {\n            if (!state.didDrag && touchState.touchCount === 1 && state.annotations.length > 0) {\n                var touch = e.changedTouches[0];\n                var pt = clientToCanvas(touch.clientX, touch.clientY);\n                var hits = findAllHitAnnotationIndices(pt.x, pt.y);\n                if (hits.length === 0) {\n                    state.selectedIndex = -1;\n                } else if (hits.length === 1) {\n                    state.selectedIndex = state.selectedIndex === hits[0] ? -1 : hits[0];\n                } else {\n                    var curPos = hits.indexOf(state.selectedIndex);\n                    if (curPos < 0) {\n                        state.selectedIndex = hits[0];\n                    } else {\n                        state.selectedIndex = hits[(curPos + 1) % hits.length];\n                    }\n                }\n                render();\n                renderControlPanel();\n            }\n            state.isPanning = false;\n            touchState.lastDist = 0;\n            touchState.touchCount = 0;\n        } else if (e.touches.length === 1) {\n            // Transitioned from two fingers to one \u2014 restart single-finger pan\n            state.isPanning = true;\n            state.didDrag = false;\n            state.panStartX = e.touches[0].clientX;\n            state.panStartY = e.touches[0].clientY;\n            state.panStartPanX = state.panX;\n            state.panStartPanY = state.panY;\n            touchState.lastDist = 0;\n        }\n    }, { passive: false });\n\n    // \u2500\u2500 Keyboard Shortcuts \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    element.setAttribute(\"tabindex\", \"0\");\n    element.style.outline = \"none\";\n\n    element.addEventListener(\"keydown\", function (e) {\n        // Help dialog shortcuts (work even without image data)\n        if (e.key === \"?\" && e.target.tagName !== \"INPUT\") {\n            toggleHelp();\n            e.preventDefault();\n            return;\n        }\n        if (e.key === \"Escape\" && helpOverlay.classList.contains(\"visible\")) {\n            toggleHelp();\n            e.preventDefault();\n            return;\n        }\n\n        if (!state.image) return;\n\n        if (e.key === \"Escape\") {\n            if (state.maximized) {\n                toggleMaximize();\n                e.preventDefault();\n            } else if (state.selectedIndex >= 0) {\n                state.selectedIndex = -1;\n                render();\n                renderControlPanel();\n                e.preventDefault();\n            }\n        } else if (e.key === \"f\" || e.key === \"F\") {\n            if (e.target.tagName === \"INPUT\") return;\n            toggleMaximize();\n            e.preventDefault();\n        } else if (e.key === \"i\" || e.key === \"I\") {\n            if (e.target.tagName === \"INPUT\") return;\n            state.showImage = !state.showImage;\n            toggleImageBtn.classList.toggle(\"active\", state.showImage);\n            render();\n            e.preventDefault();\n        } else if (e.key === \"a\" || e.key === \"A\") {\n            if (e.target.tagName === \"INPUT\") return;\n            var anyVisible = false;\n            for (var i = 0; i < state.visibility.length; i++) {\n                if (state.visibility[i]) { anyVisible = true; break; }\n            }\n            var newVal = !anyVisible;\n            for (var i = 0; i < state.visibility.length; i++) {\n                state.visibility[i] = newVal;\n            }\n            render();\n            renderControlPanel();\n            e.preventDefault();\n        } else if (e.key === \"h\" || e.key === \"H\") {\n            if (e.target.tagName === \"INPUT\") return;\n            if (state.selectedIndex >= 0) {\n                var idx = state.selectedIndex;\n                state.visibility[idx] = false;\n                state.selectedIndex = -1;\n                render();\n                renderControlPanel();\n            }\n            e.preventDefault();\n        } else if (e.key === \"r\" || e.key === \"R\") {\n            if (e.target.tagName === \"INPUT\") return;\n            resetToDefaults();\n            e.preventDefault();\n        } else if (e.key === \"+\" || e.key === \"=\") {\n            if (e.target.tagName === \"INPUT\") return;\n            zoomToCenter(state.zoom * 1.25);\n            e.preventDefault();\n        } else if (e.key === \"-\" || e.key === \"_\") {\n            if (e.target.tagName === \"INPUT\") return;\n            zoomToCenter(state.zoom / 1.25);\n            e.preventDefault();\n        } else if (e.key === \"0\") {\n            if (e.target.tagName === \"INPUT\") return;\n            resetZoom();\n            canvas.style.cursor = \"default\";\n            e.preventDefault();\n        }\n    });\n\n    // \u2500\u2500 Window Resize \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n    var resizeTimer = null;\n    window.addEventListener(\"resize\", function () {\n        if (resizeTimer) clearTimeout(resizeTimer);\n        resizeTimer = setTimeout(function () {\n            if (state.image) {\n                fitCanvas();\n                if (!state.maximized) resetZoom();\n                else render();\n            }\n        }, 150);\n    });\n})();\n",
  "default_props": {
    "value": "{\"image\": \"https://huggingface.co/datasets/gradio/custom-html-gallery/resolve/main/assets/hyst_image.webp\", \"annotations\": [{\"keypoints\": [], \"connections\": [], \"color\": \"#FF0000\", \"label\": \"microwave\", \"bbox\": {\"x\": 1254.9686279296875, \"y\": 732.0140991210938, \"width\": 731.1876220703125, \"height\": 576.3329467773438}, \"score\": 0.941}, {\"keypoints\": [], \"connections\": [], \"color\": \"#2196F3\", \"label\": \"refrigerator\", \"bbox\": {\"x\": 339.1869812011719, \"y\": 990.19970703125, \"width\": 876.6739807128906, \"height\": 2429.93701171875}, \"score\": 0.933}, {\"keypoints\": [], \"connections\": [], \"color\": \"#4CAF50\", \"label\": \"bowl\", \"bbox\": {\"x\": 2060.535888671875, \"y\": 2244.39990234375, \"width\": 336.198486328125, \"height\": 167.25927734375}, \"score\": 0.876}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF9800\", \"label\": \"bottle\", \"bbox\": {\"x\": 4423.5615234375, \"y\": 2121.12939453125, \"width\": 234.41064453125, \"height\": 441.45458984375}, \"score\": 0.835}, {\"keypoints\": [], \"connections\": [], \"color\": \"#9C27B0\", \"label\": \"bowl\", \"bbox\": {\"x\": 2043.2069091796875, \"y\": 2370.33642578125, \"width\": 329.2586669921875, \"height\": 146.4755859375}, \"score\": 0.752}, {\"keypoints\": [], \"connections\": [], \"color\": \"#00BCD4\", \"label\": \"bottle\", \"bbox\": {\"x\": 3447.89111328125, \"y\": 1566.84814453125, \"width\": 134.972412109375, \"height\": 196.5047607421875}, \"score\": 0.74}, {\"keypoints\": [], \"connections\": [], \"color\": \"#E91E63\", \"label\": \"spoon\", \"bbox\": {\"x\": 2970.81494140625, \"y\": 1495.561767578125, \"width\": 140.395263671875, \"height\": 229.298095703125}, \"score\": 0.73}, {\"keypoints\": [], \"connections\": [], \"color\": \"#8BC34A\", \"label\": \"bowl\", \"bbox\": {\"x\": 2439.3310546875, \"y\": 2352.2724609375, \"width\": 310.017578125, \"height\": 198.46630859375}, \"score\": 0.663}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF0000\", \"label\": \"sink\", \"bbox\": {\"x\": 3237.94775390625, \"y\": 2000.548828125, \"width\": 1229.5615234375, \"height\": 525.7890625}, \"score\": 0.651}, {\"keypoints\": [], \"connections\": [], \"color\": \"#2196F3\", \"label\": \"spoon\", \"bbox\": {\"x\": 2434.916748046875, \"y\": 958.53125, \"width\": 90.868896484375, \"height\": 397.71923828125}, \"score\": 0.624}, {\"keypoints\": [], \"connections\": [], \"color\": \"#4CAF50\", \"label\": \"spoon\", \"bbox\": {\"x\": 2713.24267578125, \"y\": 938.8221435546875, \"width\": 59.1435546875, \"height\": 356.3812255859375}, \"score\": 0.595}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF9800\", \"label\": \"vase\", \"bbox\": {\"x\": 3051.519775390625, \"y\": 1703.9114990234375, \"width\": 163.010498046875, \"height\": 211.6363525390625}, \"score\": 0.534}, {\"keypoints\": [], \"connections\": [], \"color\": \"#9C27B0\", \"label\": \"spoon\", \"bbox\": {\"x\": 3219.201171875, \"y\": 1489.04345703125, \"width\": 131.72900390625, \"height\": 113.6300048828125}, \"score\": 0.529}, {\"keypoints\": [], \"connections\": [], \"color\": \"#00BCD4\", \"label\": \"cup\", \"bbox\": {\"x\": 1710.7325439453125, \"y\": 206.48187255859375, \"width\": 113.3707275390625, \"height\": 66.7637939453125}, \"score\": 0.519}, {\"keypoints\": [], \"connections\": [], \"color\": \"#E91E63\", \"label\": \"cup\", \"bbox\": {\"x\": 1905.1246337890625, \"y\": 1348.912841796875, \"width\": 162.7110595703125, \"height\": 180.4144287109375}, \"score\": 0.51}, {\"keypoints\": [], \"connections\": [], \"color\": \"#8BC34A\", \"label\": \"spoon\", \"bbox\": {\"x\": 2532.578857421875, \"y\": 956.0765380859375, \"width\": 110.283203125, \"height\": 391.587890625}, \"score\": 0.505}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF0000\", \"label\": \"cup\", \"bbox\": {\"x\": 1513.127685546875, \"y\": 233.4671173095703, \"width\": 121.0208740234375, \"height\": 74.86408996582031}, \"score\": 0.498}, {\"keypoints\": [], \"connections\": [], \"color\": \"#2196F3\", \"label\": \"cup\", \"bbox\": {\"x\": 3601.44775390625, \"y\": 1676.3946533203125, \"width\": 86.130126953125, \"height\": 83.6402587890625}, \"score\": 0.489}, {\"keypoints\": [], \"connections\": [], \"color\": \"#4CAF50\", \"label\": \"sink\", \"bbox\": {\"x\": 2045.0098876953125, \"y\": 1902.2047119140625, \"width\": 992.6627197265625, \"height\": 138.331298828125}, \"score\": 0.48}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF9800\", \"label\": \"spoon\", \"bbox\": {\"x\": 2750.8525390625, \"y\": 914.2452392578125, \"width\": 138.5458984375, \"height\": 454.1220703125}, \"score\": 0.479}, {\"keypoints\": [], \"connections\": [], \"color\": \"#9C27B0\", \"label\": \"cup\", \"bbox\": {\"x\": 1292.629150390625, \"y\": 249.5679168701172, \"width\": 106.822021484375, \"height\": 69.71885681152344}, \"score\": 0.475}, {\"keypoints\": [], \"connections\": [], \"color\": \"#00BCD4\", \"label\": \"knife\", \"bbox\": {\"x\": 2167.822021484375, \"y\": 960.3970947265625, \"width\": 43.119140625, \"height\": 483.4991455078125}, \"score\": 0.465}, {\"keypoints\": [], \"connections\": [], \"color\": \"#E91E63\", \"label\": \"bottle\", \"bbox\": {\"x\": 4585.04150390625, \"y\": 2098.5009765625, \"width\": 116.8916015625, \"height\": 316.954345703125}, \"score\": 0.459}, {\"keypoints\": [], \"connections\": [], \"color\": \"#8BC34A\", \"label\": \"cup\", \"bbox\": {\"x\": 1712.269775390625, \"y\": 1363.4146728515625, \"width\": 168.132568359375, \"height\": 171.383056640625}, \"score\": 0.45}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF0000\", \"label\": \"cup\", \"bbox\": {\"x\": 1754.1475830078125, \"y\": 1726.2864990234375, \"width\": 132.280517578125, \"height\": 180.217529296875}, \"score\": 0.443}, {\"keypoints\": [], \"connections\": [], \"color\": \"#2196F3\", \"label\": \"spoon\", \"bbox\": {\"x\": 2464.33349609375, \"y\": 962.2620239257812, \"width\": 98.230712890625, \"height\": 395.64776611328125}, \"score\": 0.432}, {\"keypoints\": [], \"connections\": [], \"color\": \"#4CAF50\", \"label\": \"oven\", \"bbox\": {\"x\": 2045.0098876953125, \"y\": 1902.2047119140625, \"width\": 992.6627197265625, \"height\": 138.331298828125}, \"score\": 0.43}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF9800\", \"label\": \"spoon\", \"bbox\": {\"x\": 2338.453369140625, \"y\": 970.2446899414062, \"width\": 88.694091796875, \"height\": 284.50689697265625}, \"score\": 0.415}, {\"keypoints\": [], \"connections\": [], \"color\": \"#9C27B0\", \"label\": \"cup\", \"bbox\": {\"x\": 1600.4539794921875, \"y\": 1722.7650146484375, \"width\": 126.56103515625, \"height\": 181.688720703125}, \"score\": 0.409}, {\"keypoints\": [], \"connections\": [], \"color\": \"#00BCD4\", \"label\": \"cup\", \"bbox\": {\"x\": 1915.982421875, \"y\": 1727.005859375, \"width\": 161.400634765625, \"height\": 180.8668212890625}, \"score\": 0.407}, {\"keypoints\": [], \"connections\": [], \"color\": \"#E91E63\", \"label\": \"knife\", \"bbox\": {\"x\": 2122.896240234375, \"y\": 973.0816040039062, \"width\": 45.917724609375, \"height\": 480.61651611328125}, \"score\": 0.402}, {\"keypoints\": [], \"connections\": [], \"color\": \"#8BC34A\", \"label\": \"knife\", \"bbox\": {\"x\": 2050.469970703125, \"y\": 1032.178955078125, \"width\": 48.721923828125, \"height\": 364.73681640625}, \"score\": 0.391}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF0000\", \"label\": \"knife\", \"bbox\": {\"x\": 2204.854736328125, \"y\": 1075.57177734375, \"width\": 37.0556640625, \"height\": 365.2413330078125}, \"score\": 0.388}, {\"keypoints\": [], \"connections\": [], \"color\": \"#2196F3\", \"label\": \"knife\", \"bbox\": {\"x\": 2137.04345703125, \"y\": 967.40380859375, \"width\": 46.23291015625, \"height\": 482.9554443359375}, \"score\": 0.382}, {\"keypoints\": [], \"connections\": [], \"color\": \"#4CAF50\", \"label\": \"cup\", \"bbox\": {\"x\": 1938.565185546875, \"y\": 184.62074279785156, \"width\": 144.8037109375, \"height\": 72.32969665527344}, \"score\": 0.379}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF9800\", \"label\": \"vase\", \"bbox\": {\"x\": 4364.35546875, \"y\": 1642.5433349609375, \"width\": 325.09130859375, \"height\": 552.6705322265625}, \"score\": 0.359}, {\"keypoints\": [], \"connections\": [], \"color\": \"#9C27B0\", \"label\": \"spoon\", \"bbox\": {\"x\": 3148.77392578125, \"y\": 1489.83251953125, \"width\": 200.311279296875, \"height\": 217.281494140625}, \"score\": 0.358}, {\"keypoints\": [], \"connections\": [], \"color\": \"#00BCD4\", \"label\": \"spoon\", \"bbox\": {\"x\": 2325.773193359375, \"y\": 966.5449829101562, \"width\": 126.0576171875, \"height\": 382.44464111328125}, \"score\": 0.351}, {\"keypoints\": [], \"connections\": [], \"color\": \"#E91E63\", \"label\": \"handbag\", \"bbox\": {\"x\": 342.6567077636719, \"y\": 832.3612060546875, \"width\": 408.2694396972656, \"height\": 182.2032470703125}, \"score\": 0.347}, {\"keypoints\": [], \"connections\": [], \"color\": \"#8BC34A\", \"label\": \"sink\", \"bbox\": {\"x\": 3422.76611328125, \"y\": 2016.8096923828125, \"width\": 776.34912109375, \"height\": 293.2298583984375}, \"score\": 0.346}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF0000\", \"label\": \"oven\", \"bbox\": {\"x\": 2040.9306640625, \"y\": 1891.8070068359375, \"width\": 998.08642578125, \"height\": 601.4830322265625}, \"score\": 0.34}, {\"keypoints\": [], \"connections\": [], \"color\": \"#2196F3\", \"label\": \"spoon\", \"bbox\": {\"x\": 2578.92724609375, \"y\": 950.519287109375, \"width\": 68.382080078125, \"height\": 385.21142578125}, \"score\": 0.339}, {\"keypoints\": [], \"connections\": [], \"color\": \"#4CAF50\", \"label\": \"bowl\", \"bbox\": {\"x\": 1938.565185546875, \"y\": 184.62074279785156, \"width\": 144.8037109375, \"height\": 72.32969665527344}, \"score\": 0.337}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF9800\", \"label\": \"knife\", \"bbox\": {\"x\": 2118.98876953125, \"y\": 976.58642578125, \"width\": 37.457763671875, \"height\": 448.0491943359375}, \"score\": 0.326}, {\"keypoints\": [], \"connections\": [], \"color\": \"#9C27B0\", \"label\": \"knife\", \"bbox\": {\"x\": 2080.163818359375, \"y\": 1028.6563720703125, \"width\": 46.5048828125, \"height\": 370.2650146484375}, \"score\": 0.318}, {\"keypoints\": [], \"connections\": [], \"color\": \"#00BCD4\", \"label\": \"spoon\", \"bbox\": {\"x\": 2581.24658203125, \"y\": 950.1279296875, \"width\": 67.4453125, \"height\": 384.987548828125}, \"score\": 0.318}, {\"keypoints\": [], \"connections\": [], \"color\": \"#E91E63\", \"label\": \"knife\", \"bbox\": {\"x\": 2095.49951171875, \"y\": 1014.590087890625, \"width\": 48.67724609375, \"height\": 420.140869140625}, \"score\": 0.317}, {\"keypoints\": [], \"connections\": [], \"color\": \"#8BC34A\", \"label\": \"knife\", \"bbox\": {\"x\": 2113.23095703125, \"y\": 977.2379760742188, \"width\": 38.787841796875, \"height\": 431.59820556640625}, \"score\": 0.312}, {\"keypoints\": [], \"connections\": [], \"color\": \"#FF0000\", \"label\": \"spoon\", \"bbox\": {\"x\": 3144.85888671875, \"y\": 1568.898681640625, \"width\": 87.18017578125, \"height\": 141.762939453125}, \"score\": 0.305}, {\"keypoints\": [], \"connections\": [], \"color\": \"#2196F3\", \"label\": \"knife\", \"bbox\": {\"x\": 2124.10546875, \"y\": 978.140380859375, \"width\": 38.487060546875, \"height\": 460.7664794921875}, \"score\": 0.302}], \"scoreThresholdMin\": 0.3, \"scoreThresholdMax\": 1.0}"
  },
  "python_code": "class DetectionViewer(gr.HTML):\n    def __init__(\n        self,\n        value: tuple[str | Path | Image.Image | np.ndarray, list[dict[str, Any]]]\n        | tuple[str | Path | Image.Image | np.ndarray, list[dict[str, Any]], dict[str, Any]]\n        | None = None,\n        *,\n        label: str | None = None,\n        panel_title: str = \"Detections\",\n        list_height: int = 300,\n        score_threshold: tuple[float, float] = (0.0, 1.0),\n        keypoint_threshold: float = 0.0,\n        keypoint_radius: int = 3,\n        **kwargs: object,\n    ) -> None:\n        html_template = (_STATIC_DIR / \"template.html\").read_text(encoding=\"utf-8\")\n        html_template = html_template.replace(\"${panel_title}\", panel_title)\n        html_template = html_template.replace(\"${list_height}\", str(list_height))\n        html_template = html_template.replace(\"${score_threshold_min}\", str(score_threshold[0]))\n        html_template = html_template.replace(\"${score_threshold_max}\", str(score_threshold[1]))\n        html_template = html_template.replace(\"${keypoint_threshold}\", str(keypoint_threshold))\n        html_template = html_template.replace(\"${keypoint_radius}\", str(keypoint_radius))\n        css_template = (_STATIC_DIR / \"style.css\").read_text(encoding=\"utf-8\")\n        css_template = css_template.replace(\"${list_height}\", str(list_height))\n        js_on_load = (_STATIC_DIR / \"script.js\").read_text(encoding=\"utf-8\")\n\n        has_label = label is not None\n        super().__init__(\n            value=value,\n            label=label,\n            show_label=has_label,\n            container=has_label,\n            html_template=html_template,\n            css_template=css_template,\n            js_on_load=js_on_load,\n            **kwargs,\n        )\n\n    def postprocess(self, value: Any) -> str | None:  # noqa: ANN401\n        if isinstance(value, str):\n            return value\n        return self._process(value)\n\n    def _process(\n        self,\n        value: tuple[str | Path | Image.Image | np.ndarray, list[dict[str, Any]]]\n        | tuple[str | Path | Image.Image | np.ndarray, list[dict[str, Any]], dict[str, Any]]\n        | None,\n    ) -> str | None:\n        if value is None:\n            return None\n\n        if len(value) == 3:  # noqa: PLR2004 - tuple length check\n            image_src, annotations, config = value\n        else:\n            image_src, annotations = value\n            config = {}\n\n        img = _load_image(image_src)\n        image_url = _save_image_to_cache(img, self.GRADIO_CACHE)\n\n        processed: list[dict[str, Any]] = []\n        for i, ann in enumerate(annotations):\n            has_kps = \"keypoints\" in ann and len(ann[\"keypoints\"]) > 0\n            default_label = f\"Person {i + 1}\" if has_kps else f\"Detection {i + 1}\"\n\n            entry: dict[str, Any] = {\n                \"keypoints\": ann.get(\"keypoints\", []),\n                \"connections\": ann.get(\"connections\", []),\n                \"color\": ann.get(\"color\", _COLOR_PALETTE[i % len(_COLOR_PALETTE)]),\n                \"label\": ann.get(\"label\", default_label),\n            }\n            if \"bbox\" in ann:\n                entry[\"bbox\"] = ann[\"bbox\"]\n            if \"score\" in ann:\n                entry[\"score\"] = ann[\"score\"]\n            if \"mask\" in ann:\n                entry[\"mask\"] = ann[\"mask\"]\n            processed.append(entry)\n\n        result: dict[str, Any] = {\"image\": image_url, \"annotations\": processed}\n        if \"score_threshold\" in config:\n            result[\"scoreThresholdMin\"] = config[\"score_threshold\"][0]\n            result[\"scoreThresholdMax\"] = config[\"score_threshold\"][1]\n\n        return json.dumps(result)\n\n    def api_info(self) -> dict[str, Any]:\n        return {\n            \"type\": \"string\",\n            \"description\": (\n                \"JSON string containing detection visualization data. \"\n                \"Structure: {image: string (URL), annotations: [\"\n                \"{color: string, label: string, \"\n                \"bbox?: {x: float, y: float, width: float, height: float}, \"\n                \"score?: float, \"\n                \"mask?: {counts: [int], size: [int, int]}, \"\n                \"keypoints?: [{x: float, y: float, name: string, confidence?: float}], \"\n                \"connections?: [[int, int]]}], \"\n                \"scoreThresholdMin?: float, scoreThresholdMax?: float}\"\n            ),\n        }\n",
  "repo_url": "https://github.com/hysts/gradio-detection-viewer/"
}