fix(mobile): simplify note detail metadata layout

apps/mobile/src/screens/WorkspaceMemoDetail.tsx

@@ -41,7 +41,7 @@ import { useMobileTheme } from "../lib/mobile-theme";
 import { useSession } from "../lib/session";
 import { beginEditorStartup } from "../lib/startup-performance";
 import type { MobileSyncQueueItem } from "../lib/sync-queue";
-import { formatMemoDetailDate, getTextSearchMatches, parseTags } from "./workspace-utils";
+import { getTextSearchMatches, parseTags } from "./workspace-utils";
 import { styles } from "./workspace-styles";
 import { NotebookPickerModal, SmartTagButton, TagPickerModal } from "./WorkspacePickers";
 
@@ -1170,17 +1170,11 @@ export const MemoDetailModal = ({
                     activeIndex={activeMatchIndex}
                     matchOffset={metadataSearchMatches.title.length}
                     matches={metadataSearchMatches.tags}
-                    numberOfLines={1}
                     style={[styles.detailTagsInline, memo.tags.length === 0 && styles.detailTagsPlaceholder]}
                     text={memoTagsText || "添加标签，用逗号分隔"}
                   />
                 </View>
               </View>
-              <Text selectable style={styles.detailTimestamps}>
-                {resolvedLocale !== "zh-CN" ? "Created" : "创建于"} {formatMemoDetailDate(memo.createdAt, resolvedLocale)}
-                {" · "}
-                {resolvedLocale !== "zh-CN" ? "Updated" : "更新于"} {formatMemoDetailDate(memo.updatedAt, resolvedLocale)}
-              </Text>
               {searchOpen ? (
                 <View style={styles.noteSearchPanel}>
                   <Search color="#64748b" size={16} />

apps/mobile/src/screens/workspace-styles.ts

@@ -1949,17 +1949,15 @@ const baseWorkspaceStyles = StyleSheet.create({
     fontWeight: "600",
   },
   detailMetaRow: {
-    alignItems: "center",
-    flexDirection: "row",
-    gap: 8,
+    alignItems: "stretch",
+    gap: 2,
     marginTop: 12,
   },
   detailNotebookButton: {
     alignItems: "center",
     flexDirection: "row",
     gap: 4,
-    height: 32,
-    maxWidth: "46%",
+    minHeight: 32,
     paddingHorizontal: 8,
   },
   detailNotebookName: {
@@ -1968,27 +1966,23 @@ const baseWorkspaceStyles = StyleSheet.create({
     fontSize: 14,
   },
   detailTagsGroup: {
-    alignItems: "center",
-    flex: 1,
+    alignItems: "flex-start",
     flexDirection: "row",
     gap: 8,
-    height: 32,
+    minHeight: 32,
     paddingHorizontal: 8,
+    paddingVertical: 6,
   },
   detailTagsInline: {
     color: "#64748b",
     flex: 1,
     fontSize: 14,
+    lineHeight: 20,
+    minWidth: 0,
   },
   detailTagsPlaceholder: {
     color: "#94a3b8",
   },
-  detailTimestamps: {
-    color: "#94a3b8",
-    fontSize: 12,
-    lineHeight: 18,
-    marginTop: 4,
-  },
   detailDivider: {
     backgroundColor: "#e2e8f0",
     height: 1,