trellis finish frontend chinese ui

.trellis/workspace/Zzzz/index.md

@@ -8,8 +8,8 @@
 
 <!-- @@@auto:current-status -->
 - **Active File**: `journal-1.md`
-- **Total Sessions**: 8
-- **Last Active**: 2026-04-27
+- **Total Sessions**: 9
+- **Last Active**: 2026-04-28
 <!-- @@@/auto:current-status -->
 
 ---
@@ -19,7 +19,7 @@
 <!-- @@@auto:active-documents -->
 | File | Lines | Status |
 |------|-------|--------|
-| `journal-1.md` | ~342 | Active |
+| `journal-1.md` | ~375 | Active |
 <!-- @@@/auto:active-documents -->
 
 ---
@@ -29,6 +29,7 @@
 <!-- @@@auto:session-history -->
 | # | Date | Title | Commits | Branch |
 |---|------|-------|---------|--------|
+| 9 | 2026-04-28 | Frontend Chinese UI | `ff044e6` | `master` |
 | 8 | 2026-04-27 | Core Function Gap Check | `d917a62` | `master` |
 | 7 | 2026-04-27 | Admin user management and system logs | `934ea1f`, `f99002e` | `master` |
 | 6 | 2026-04-27 | 完成报表中心 | `f9a9c630c29e1aebd623a640411c0124c7c0b0db` | `master` |

.trellis/workspace/Zzzz/journal-1.md

@@ -340,3 +340,36 @@ Checked core library-management functionality, completed book category maintenan
 ### Next Steps
 
 - None - task complete
+
+
+## Session 9: Frontend Chinese UI
+
+**Date**: 2026-04-28
+**Task**: Frontend Chinese UI
+**Branch**: `master`
+
+### Summary
+
+Localized JSP frontend UI and displayed backend messages to Simplified Chinese, updated display helpers/tests, recorded the Chinese UI copy convention in Trellis specs, and verified the Maven build plus service checks.
+
+### Main Changes
+
+(Add details)
+
+### Git Commits
+
+| Hash | Message |
+|------|---------|
+| `ff044e6` | (see git log) |
+
+### Testing
+
+- [OK] (Add test results)
+
+### Status
+
+[OK] **Completed**
+
+### Next Steps
+
+- None - task complete