feat(前端界面): 优化水印选中与批注显示，修复PDF多余边框，统一弹窗文案与布局

assets/webui/index.html

@@ -270,11 +270,11 @@
 			<form id="annotationCreateForm">
 				<label class="form-row" data-annotation="watermark"><span>类型</span><select id="annotationContent"><option value="text">文字</option><option value="image">图片</option></select></label>
 				<label class="form-row" data-annotation="replace"><span>原文</span><select id="annotationOld"></select></label>
-				<label class="form-row" data-annotation="replace"><span>字体</span><select id="annotationFont"><option value="keep">原字体</option><option value="current">当前字体</option></select></label>
+				<label class="form-row" data-annotation="replace"><span>字体</span><select id="annotationFont"><option value="keep">原有</option><option value="current">当前</option></select></label>
 				<label class="form-row" id="annotationTextRow"><span>内容</span><textarea id="annotationText" rows="2" required></textarea></label>
 				<label class="form-row" id="annotationImageRow" hidden><span>图片</span><input id="annotationImage" type="file" accept="image/png,image/jpeg,image/bmp,image/tiff,image/gif,image/webp"></label>
 				<label class="form-row" data-annotation="note watermark stamp link"><span>作者</span><input id="annotationAuthor" type="text"></label>
-				<label class="form-row" data-annotation="link"><span>目标</span><select id="annotationLinkKind"><option value="uri">网址</option><option value="page">页面</option><option value="keep" hidden>原链接</option></select></label>
+				<label class="form-row" data-annotation="link"><span>目标</span><select id="annotationLinkKind"><option value="uri">网址</option><option value="page">页面</option><option value="keep" hidden>原有</option></select></label>
 				<label class="form-row" data-annotation="link" id="annotationAddressRow"><span>网址</span><input id="annotationAddress" type="text"></label>
 				<label class="form-row" data-annotation="link" id="annotationTargetRow"><span>页码</span><input id="annotationTarget" type="number" min="1" value="1"></label>
 				<div class="form-pair" data-annotation="note watermark stamp link">

assets/webui/ofdgo.css

@@ -1316,6 +1316,7 @@ button.outline-link:hover {
 .navigation-tabs[hidden],
 .page-selection-tools[hidden],
 .form-row[hidden],
+.form-pair[hidden],
 .form-actions > [hidden],
 .annotation-detail[hidden],
 .tool-group[hidden],
@@ -1644,10 +1645,6 @@ button.outline-link:hover {
 	content: "";
 }
 
-.edit-object.selected {
-	background: rgba(15, 123, 104, 0.04);
-}
-
 .edit-object.erasing {
 	background: var(--accent-soft);
 	outline-style: dashed;
@@ -1849,6 +1846,19 @@ button.outline-link:hover {
 	--note-rotation: calc(-1 * var(--surface-rotation, 0deg));
 }
 
+.edit-note-icon {
+	position: absolute;
+	inset: 0;
+	display: grid;
+	place-items: center;
+	border: 1px solid var(--line-strong);
+	background: var(--panel);
+	color: var(--accent-strong);
+	font-size: 16px;
+	line-height: 1;
+	pointer-events: none;
+}
+
 .annotation-detail {
 	display: grid;
 	gap: 8px;

assets/webui/ofdgo_edit.js

@@ -303,14 +303,21 @@ export class CanvasEditor {
 			node.setAttribute("aria-label", { ImageObject: "图片对象", TextObject: "文字对象", PathObject: "图形对象", CompositeObject: "复合对象", CompositeGraphicUnit: "复合对象", Annotation: "注解对象" }[object.type]);
 			const item = { ...object, index, page: { width: page.width, height: page.height }, node, surface };
 			item.artwork = artwork.get(object.id)?.node;
-			if (object.type === "PathObject" && (object.shape || object.outline) || (object.scoped || object.type === "CompositeObject" || object.type === "CompositeGraphicUnit" || object.type === "Annotation") && object.contours?.length) {
+			if (object.note) {
+				const icon = document.createElement("span");
+				icon.className = "edit-note-icon";
+				icon.setAttribute("aria-hidden", "true");
+				icon.textContent = "\u24d8";
+				node.append(icon);
+			}
+			if (object.type === "PathObject" && (object.shape || object.outline || object.contours?.length)) {
 				node.classList.add("edit-contour");
 				const svg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
 				svg.classList.add("edit-outline");
 				svg.setAttribute("aria-hidden", "true");
 				svg.setAttribute("preserveAspectRatio", "none");
 				let contour;
-				if (object.type === "PathObject" && (object.shape || object.oriented || !object.contours?.length)) {
+				if (object.shape || object.oriented || !object.contours?.length) {
 					const shape = object.shape || object.oriented?.kind;
 					contour = document.createElementNS("http://www.w3.org/2000/svg", shape === "line" ? "line" : shape === "ellipse" ? "ellipse" : shape === "rectangle" ? "rect" : "path");
 					if (!shape) contour.setAttribute("d", object.outline);

internal/webui/wasm.go

@@ -898,9 +898,15 @@ func editorObjects(index int, text *ofdgo.PageText) ([]any, error) {
 				mixed = true
 			}
 		}
-		objects = append(objects, map[string]any{"id": "annotation:" + annotation.ID, "type": "Annotation", "annotationType": annotation.Type,
+		item := map[string]any{"id": "annotation:" + annotation.ID, "type": "Annotation", "annotationType": annotation.Type,
-			"x": box.X, "y": box.Y, "width": box.W, "height": box.H, "contours": paths, "remark": annotation.Remark, "creator": annotation.Creator,
+			"x": box.X, "y": box.Y, "width": box.W, "height": box.H, "remark": annotation.Remark, "creator": annotation.Creator,
-			"alpha": alpha, "alphaMixed": mixed, "capabilities": capabilities})
+			"alpha": alpha, "alphaMixed": mixed, "capabilities": capabilities}
+		if len(annotation.Appearance.Objects) == 0 && strings.TrimSpace(annotation.Remark) != "" {
+			item["note"] = true
+		} else {
+			item["contours"] = paths
+		}
+		objects = append(objects, item)
 	}
 	return objects, nil
 }
@@ -1066,13 +1072,6 @@ func writeAnnotation(args []js.Value) (any, error) {
 				switch options.Kind {
 				case "note":
 					annotation.Type, annotation.Remark = "Path", options.Text
-					shape, shapeErr := ofdgo.NewShape(ofdgo.ShapeRectangle, ofdgo.Box{W: box.W, H: box.H})
-					if shapeErr != nil {
-						return shapeErr
-					}
-					shape.LineWidth = 0.3
-					shape.StrokeColor = &ofdgo.StrokeColor{Value: "0 128 112"}
-					annotation.Appearance.Objects = []ofdgo.GraphicObject{{Type: "PathObject", PathObject: shape}}
 				case "watermark", "stamp":
 					annotation.Type = "Watermark"
 					if options.Kind == "stamp" {