重构项目结构，移除旧Java客户端，添加前后端目录

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/components/LogModal.vue

@@ -0,0 +1,67 @@
+<script setup>
+import { ref, watch } from 'vue'
+import { useProjectsStore } from '../stores/projects'
+import { useModalsStore } from '../stores/modals'
+import { svnApi } from '../api/client'
+
+const store = useProjectsStore()
+const modals = useModalsStore()
+const logs = ref([])
+const loading = ref(false)
+
+watch(() => modals.logOpen, async (open) => {
+  if (open && store.currentId) {
+    loading.value = true
+    try {
+      const id = store.currentId?.value ?? store.currentId
+      if (!id) return
+      const res = await svnApi.log(id, 50)
+      logs.value = res.data || []
+    } catch (e) {
+      logs.value = []
+    } finally {
+      loading.value = false
+    }
+  }
+})
+</script>
+
+<template>
+  <div v-if="modals.logOpen" class="modal-overlay" @click.self="modals.closeLog()">
+    <div class="modal modal-lg">
+      <div class="modal-header">
+        <h3>提交日志</h3>
+        <button class="modal-close" @click="modals.closeLog()">&times;</button>
+      </div>
+      <div class="modal-body">
+        <div v-if="loading" class="loading">加载中...</div>
+        <div v-else class="log-list">
+          <div v-for="log in logs" :key="log.revision" class="log-item">
+            <div class="log-meta">
+              <span class="log-rev">r{{ log.revision }}</span>
+              <span class="log-author">{{ log.author }}</span>
+              <span class="log-date">{{ log.date }}</span>
+            </div>
+            <div class="log-message">{{ log.message || '(无消息)' }}</div>
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; z-index: 1000; }
+.modal { background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 8px; min-width: 400px; max-height: 80vh; display: flex; flex-direction: column; }
+.modal-lg { width: 600px; }
+.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 1rem; border-bottom: 1px solid var(--border-color); }
+.modal-header h3 { margin: 0; font-size: 1rem; }
+.modal-close { background: none; border: none; color: var(--text-secondary); font-size: 1.5rem; cursor: pointer; }
+.modal-body { padding: 1rem; overflow-y: auto; }
+.loading { color: var(--text-secondary); }
+.log-list { display: flex; flex-direction: column; gap: 0.75rem; }
+.log-item { padding: 0.5rem; background: var(--bg-secondary); border-radius: 4px; }
+.log-meta { font-size: 0.75rem; color: var(--text-secondary); margin-bottom: 0.25rem; }
+.log-rev { font-weight: 600; margin-right: 0.5rem; }
+.log-message { font-size: 0.875rem; white-space: pre-wrap; word-break: break-word; }
+</style>