fix(editor): filter RelationList to only show referencing memos

- Filter out COMMENT type relations, only show REFERENCE type
- When editing a memo, only show relations where current memo is the source
- Pass memoName through EditorMetadata to RelationList for filtering

web/src/components/MemoEditor/components/EditorMetadata.tsx

@@ -5,7 +5,7 @@ import AttachmentList from "./AttachmentList";
 import LocationDisplay from "./LocationDisplay";
 import RelationList from "./RelationList";
 
-export const EditorMetadata: FC<EditorMetadataProps> = () => {
+export const EditorMetadata: FC<EditorMetadataProps> = ({ memoName }) => {
   const { state, actions, dispatch } = useEditorContext();
 
   return (
@@ -17,7 +17,11 @@ export const EditorMetadata: FC<EditorMetadataProps> = () => {
         onRemoveLocalFile={(previewUrl) => dispatch(actions.removeLocalFile(previewUrl))}
       />
 
-      <RelationList relations={state.metadata.relations} onRelationsChange={(relations) => dispatch(actions.setMetadata({ relations }))} />
+      <RelationList
+        relations={state.metadata.relations}
+        onRelationsChange={(relations) => dispatch(actions.setMetadata({ relations }))}
+        memoName={memoName}
+      />
 
       {state.metadata.location && (
         <LocationDisplay location={state.metadata.location} onRemove={() => dispatch(actions.setMetadata({ location: undefined }))} />

web/src/components/MemoEditor/components/RelationList.tsx

@@ -5,12 +5,13 @@ import { useEffect, useState } from "react";
 import RelationCard from "@/components/MemoView/components/metadata/RelationCard";
 import { memoServiceClient } from "@/connect";
 import type { MemoRelation } from "@/types/proto/api/v1/memo_service_pb";
-import { MemoRelation_Memo, MemoRelation_MemoSchema } from "@/types/proto/api/v1/memo_service_pb";
+import { MemoRelation_Memo, MemoRelation_MemoSchema, MemoRelation_Type } from "@/types/proto/api/v1/memo_service_pb";
 
 interface RelationListProps {
   relations: MemoRelation[];
   onRelationsChange?: (relations: MemoRelation[]) => void;
   parentPage?: string;
+  memoName?: string;
 }
 
 const RelationItemCard: FC<{
@@ -37,12 +38,13 @@ const RelationItemCard: FC<{
   );
 };
 
-const RelationList: FC<RelationListProps> = ({ relations, onRelationsChange, parentPage }) => {
+const RelationList: FC<RelationListProps> = ({ relations, onRelationsChange, parentPage, memoName }) => {
+  const referenceRelations = relations.filter((r) => r.type === MemoRelation_Type.REFERENCE && (!memoName || r.memo?.name === memoName));
   const [fetchedMemos, setFetchedMemos] = useState<Record<string, MemoRelation_Memo>>({});
 
   useEffect(() => {
     (async () => {
-      const missingSnippetRelations = relations.filter((relation) => !relation.relatedMemo?.snippet && relation.relatedMemo?.name);
+      const missingSnippetRelations = referenceRelations.filter((relation) => !relation.relatedMemo?.snippet && relation.relatedMemo?.name);
       if (missingSnippetRelations.length > 0) {
         const requests = missingSnippetRelations.map(async (relation) => {
           const memo = await memoServiceClient.getMemo({ name: relation.relatedMemo!.name });
@@ -58,7 +60,7 @@ const RelationList: FC<RelationListProps> = ({ relations, onRelationsChange, par
         });
       }
     })();
-  }, [relations]);
+  }, [referenceRelations]);
 
   const handleDeleteRelation = (memoName: string) => {
     if (onRelationsChange) {
@@ -66,7 +68,7 @@ const RelationList: FC<RelationListProps> = ({ relations, onRelationsChange, par
     }
   };
 
-  if (relations.length === 0) {
+  if (referenceRelations.length === 0) {
     return null;
   }
 
@@ -74,11 +76,11 @@ const RelationList: FC<RelationListProps> = ({ relations, onRelationsChange, par
     <div className="w-full rounded-lg border border-border bg-muted/20 overflow-hidden">
       <div className="flex items-center gap-1.5 px-2 py-1.5 border-b border-border bg-muted/30">
         <LinkIcon className="w-3.5 h-3.5 text-muted-foreground" />
-        <span className="text-xs font-medium text-muted-foreground">Relations ({relations.length})</span>
+        <span className="text-xs font-medium text-muted-foreground">Relations ({referenceRelations.length})</span>
       </div>
 
       <div className="p-1 sm:p-1.5 flex flex-col gap-0.5">
-        {relations.map((relation) => {
+        {referenceRelations.map((relation) => {
           const relatedMemo = relation.relatedMemo!;
           const memo = relatedMemo.snippet ? relatedMemo : fetchedMemos[relatedMemo.name] || relatedMemo;
           return <RelationItemCard key={memo.name} memo={memo} onRemove={() => handleDeleteRelation(memo.name)} parentPage={parentPage} />;

web/src/components/MemoEditor/index.tsx

@@ -146,7 +146,7 @@ const MemoEditorImpl: React.FC<MemoEditorProps> = ({
 
         {/* Metadata and toolbar grouped together at bottom */}
         <div className="w-full flex flex-col gap-2">
-          <EditorMetadata />
+          <EditorMetadata memoName={memoName} />
           <EditorToolbar onSave={handleSave} onCancel={onCancel} memoName={memoName} />
         </div>
       </div>

web/src/components/MemoEditor/types/components.ts

@@ -26,7 +26,9 @@ export interface EditorToolbarProps {
   memoName?: string;
 }
 
-export interface EditorMetadataProps {}
+export interface EditorMetadataProps {
+  memoName?: string;
+}
 
 export interface FocusModeOverlayProps {
   isActive: boolean;