chore(web): unify metadata badge styling and fix event handling

- Remove MetadataBadge component and inline styles consistently
- Add pointer/mouse event handlers to prevent drag interference
- Fix LocationDisplay mode handling and popover interaction
- Clean up RelationList empty state logic

web/src/components/memo-metadata/AttachmentCard.tsx

@@ -28,7 +28,7 @@ const AttachmentCard = ({ attachment, mode, onRemove, onClick, className, showTh
     return (
       <div
         className={cn(
-          "group relative inline-flex items-center gap-1.5 px-2 h-7 rounded-md border border-border bg-background text-secondary-foreground text-xs transition-colors hover:bg-accent",
+          "relative inline-flex items-center gap-1.5 px-2 h-7 rounded-md border border-border bg-background text-secondary-foreground text-xs transition-colors hover:bg-accent",
           className,
         )}
       >
@@ -41,6 +41,12 @@ const AttachmentCard = ({ attachment, mode, onRemove, onClick, className, showTh
         {onRemove && (
           <button
             className="shrink-0 rounded hover:bg-accent transition-colors p-0.5"
+            onPointerDown={(e) => {
+              e.stopPropagation();
+            }}
+            onMouseDown={(e) => {
+              e.stopPropagation();
+            }}
             onClick={(e) => {
               e.preventDefault();
               e.stopPropagation();

web/src/components/memo-metadata/LocationDisplay.tsx

@@ -1,53 +1,60 @@
 import { LatLng } from "leaflet";
-import { ExternalLinkIcon, MapPinIcon } from "lucide-react";
+import { MapPinIcon, XIcon } from "lucide-react";
 import { useState } from "react";
+import { cn } from "@/lib/utils";
 import { Location } from "@/types/proto/api/v1/memo_service";
 import LeafletMap from "../LeafletMap";
 import { Popover, PopoverContent, PopoverTrigger } from "../ui/popover";
-import MetadataBadge from "./MetadataBadge";
 import { BaseMetadataProps } from "./types";
 
 interface LocationDisplayProps extends BaseMetadataProps {
   location?: Location;
   onRemove?: () => void;
-  onClick?: () => void;
 }
 
-/**
- * Unified Location component for both editor and view modes
- *
- * Editor mode: Shows badge with remove button
- * View mode: Shows badge with popover map on click
- */
-const LocationDisplay = ({ location, mode, onRemove, onClick, className }: LocationDisplayProps) => {
+const LocationDisplay = ({ location, mode, onRemove, className }: LocationDisplayProps) => {
   const [popoverOpen, setPopoverOpen] = useState<boolean>(false);
 
   if (!location) {
     return null;
   }
 
-  const displayText = location.placeholder || `[${location.latitude}, ${location.longitude}]`;
+  const displayText = location.placeholder || `Position: [${location.latitude}, ${location.longitude}]`;
 
-  // Editor mode: Simple badge with remove button
-  if (mode === "edit") {
-    return (
-      <div className="w-full flex flex-row flex-wrap gap-2 mt-2">
-        <MetadataBadge icon={<MapPinIcon className="w-3.5 h-3.5" />} onRemove={onRemove} onClick={onClick} className={className}>
-          {displayText}
-        </MetadataBadge>
-      </div>
-    );
-  }
-
-  // View mode: Badge with popover map
   return (
     <Popover open={popoverOpen} onOpenChange={setPopoverOpen}>
       <PopoverTrigger asChild>
-        <div className="w-full flex flex-row flex-wrap gap-2">
-          <MetadataBadge icon={<MapPinIcon className="w-3.5 h-3.5" />} onClick={() => setPopoverOpen(true)} className={className}>
-            <span>{displayText}</span>
-            <ExternalLinkIcon className="w-2.5 h-2.5 ml-1 opacity-50" />
-          </MetadataBadge>
+        <div
+          className={cn(
+            "w-full max-w-full flex flex-row gap-2",
+            "relative inline-flex items-center gap-1.5 px-2 h-7 rounded-md border border-border bg-background hover:bg-accent text-secondary-foreground text-xs transition-colors",
+            mode === "view" && "cursor-pointer",
+            className,
+          )}
+          onClick={mode === "view" ? () => setPopoverOpen(true) : undefined}
+        >
+          <span className="shrink-0 text-muted-foreground">
+            <MapPinIcon className="w-3.5 h-3.5" />
+          </span>
+          <span className="text-nowrap truncate">{displayText}</span>
+          {onRemove && (
+            <button
+              className="shrink-0 rounded hover:bg-accent transition-colors p-0.5"
+              onPointerDown={(e) => {
+                e.stopPropagation();
+              }}
+              onMouseDown={(e) => {
+                e.stopPropagation();
+              }}
+              onClick={(e) => {
+                e.preventDefault();
+                e.stopPropagation();
+                onRemove();
+              }}
+            >
+              <XIcon className="w-3 h-3 text-muted-foreground hover:text-foreground" />
+            </button>
+          )}
         </div>
       </PopoverTrigger>
       <PopoverContent align="start">

web/src/components/memo-metadata/MetadataBadge.tsx

@@ -1,46 +0,0 @@
-import { XIcon } from "lucide-react";
-import { ReactNode } from "react";
-import { cn } from "@/lib/utils";
-
-interface MetadataBadgeProps {
-  icon: ReactNode;
-  children: ReactNode;
-  onRemove?: () => void;
-  onClick?: () => void;
-  className?: string;
-  maxWidth?: string;
-}
-
-/**
- * Shared badge component for metadata display (Location, Tags, etc.)
- * Provides consistent styling across editor and view modes
- */
-const MetadataBadge = ({ icon, children, onRemove, onClick, className, maxWidth = "max-w-[160px]" }: MetadataBadgeProps) => {
-  return (
-    <div
-      className={cn(
-        "group relative inline-flex items-center gap-1.5 px-2 h-7 rounded-md border border-border bg-background text-secondary-foreground text-xs transition-colors",
-        onClick && "cursor-pointer hover:bg-accent",
-        className,
-      )}
-      onClick={onClick}
-    >
-      <span className="shrink-0 text-muted-foreground">{icon}</span>
-      <span className={cn("truncate", maxWidth)}>{children}</span>
-      {onRemove && (
-        <button
-          className="shrink-0 rounded hover:bg-accent transition-colors p-0.5"
-          onClick={(e) => {
-            e.preventDefault();
-            e.stopPropagation();
-            onRemove();
-          }}
-        >
-          <XIcon className="w-3 h-3 text-muted-foreground hover:text-foreground" />
-        </button>
-      )}
-    </div>
-  );
-};
-
-export default MetadataBadge;

web/src/components/memo-metadata/RelationCard.tsx

@@ -27,14 +27,30 @@ const RelationCard = ({ memo, mode, onRemove, parentPage, className }: RelationC
     return (
       <div
         className={cn(
-          "group relative inline-flex items-center gap-1.5 px-2 h-7 rounded-md border border-border bg-background text-secondary-foreground text-xs transition-colors hover:bg-accent cursor-pointer",
+          "relative inline-flex items-center gap-1.5 px-2 h-7 rounded-md border border-border bg-background text-secondary-foreground text-xs transition-colors hover:bg-accent",
           className,
         )}
-        onClick={onRemove}
       >
         <LinkIcon className="w-3.5 h-3.5 shrink-0 text-muted-foreground" />
         <span className="truncate max-w-[160px]">{memo.snippet}</span>
-        <XIcon className="w-3 h-3 shrink-0 text-muted-foreground" />
+        {onRemove && (
+          <button
+            className="shrink-0 rounded hover:bg-accent transition-colors p-0.5"
+            onPointerDown={(e) => {
+              e.stopPropagation();
+            }}
+            onMouseDown={(e) => {
+              e.stopPropagation();
+            }}
+            onClick={(e) => {
+              e.preventDefault();
+              e.stopPropagation();
+              onRemove();
+            }}
+          >
+            <XIcon className="w-3 h-3 text-muted-foreground hover:text-foreground" />
+          </button>
+        )}
       </div>
     );
   }
@@ -43,7 +59,7 @@ const RelationCard = ({ memo, mode, onRemove, parentPage, className }: RelationC
   return (
     <Link
       className={cn(
-        "w-full flex flex-row justify-start items-center text-sm leading-5 text-muted-foreground hover:text-foreground hover:bg-accent rounded px-2 py-1 transition-colors",
+        "w-full flex flex-row justify-start items-center text-sm leading-5 text-muted-foreground hover:text-foreground hover:bg-accent rounded px-1 py-1 transition-colors",
         className,
       )}
       to={`/${memo.name}`}
@@ -52,7 +68,7 @@ const RelationCard = ({ memo, mode, onRemove, parentPage, className }: RelationC
         from: parentPage,
       }}
     >
-      <span className="text-xs opacity-60 leading-4 border border-border font-mono px-1 rounded-full mr-1">{memoId.slice(0, 6)}</span>
+      <span className="text-[10px] opacity-60 leading-4 border border-border font-mono px-1 rounded-full mr-1">{memoId.slice(0, 6)}</span>
       <span className="truncate">{memo.snippet}</span>
     </Link>
   );

web/src/components/memo-metadata/RelationList.tsx

@@ -52,13 +52,17 @@ const RelationList = observer(({ relations, currentMemoName, mode, onRelationsCh
 
   // Fetch full memo details for editor mode
   useEffect(() => {
-    if (mode === "edit" && referencingRelations.length > 0) {
+    if (mode === "edit") {
       (async () => {
+        if (referencingRelations.length > 0) {
           const requests = referencingRelations.map(async (relation) => {
             return await memoStore.getOrFetchMemoByName(relation.relatedMemo!.name, { skipStore: true });
           });
           const list = await Promise.all(requests);
           setReferencingMemos(list);
+        } else {
+          setReferencingMemos([]);
+        }
       })();
     }
   }, [mode, relations]);

web/src/components/memo-metadata/index.ts

@@ -8,7 +8,6 @@ export { default as AttachmentList } from "./AttachmentList";
 export { default as RelationList } from "./RelationList";
 
 // Base components (can be used for other metadata types)
-export { default as MetadataBadge } from "./MetadataBadge";
 export { default as MetadataCard } from "./MetadataCard";
 export { default as AttachmentCard } from "./AttachmentCard";
 export { default as RelationCard } from "./RelationCard";