重构: tool_registry拆分及多批改进

src/views/Projects.vue

@@ -9,6 +9,12 @@
       </div>
     </header>
 
+    <!-- 错误条:消费 store.error(加载/创建/删除失败对用户可见,对齐 Knowledge error-banner) -->
+    <div v-if="store.error" class="error-banner">
+      <span class="error-text">{{ store.error }}</span>
+      <button class="error-dismiss" @click="store.clearError()">✕</button>
+    </div>
+
     <!-- 新建项目模态框 -->
     <div v-if="showCreateModal" class="modal-overlay" @click.self="showCreateModal = false">
       <div class="modal-box">
@@ -42,7 +48,7 @@
         </div>
         <div class="modal-actions">
           <button class="btn btn-ghost" @click="showCreateModal = false">{{ $t('common.cancel') }}</button>
-          <button class="btn btn-primary" @click="submitCreate" :disabled="!newName.trim()">{{ $t('projects.confirmCreate') }}</button>
+          <button class="btn btn-primary" @click="submitCreate" :disabled="submitting || !newName.trim()">{{ $t('projects.confirmCreate') }}</button>
         </div>
       </div>
     </div>
@@ -215,6 +221,8 @@ const pathWarning = ref('')
 const scanning = ref(false)
 const scanError = ref('')
 const scanProjectType = ref('')
+// 创建提交中(防双击重复提交,对齐 ProviderPanel.saving 模式)
+const submitting = ref(false)
 
 // 选择目录 → 探测技术栈 + 查重
 async function pickDir() {
@@ -267,13 +275,19 @@ async function aiScan() {
 async function submitCreate() {
   if (!newName.value.trim()) return
   if (pathWarning.value) return // 目录冲突,禁止创建
-  const stack = detectedStack.value.length ? JSON.stringify(detectedStack.value) : undefined
-  const r = await store.createProject(newName.value.trim(), newDesc.value.trim(), undefined, newPath.value || undefined, stack)
-  if (!r) return // 失败已 toast,保持弹窗不关
-  showCreateModal.value = false
-  newName.value = ''
-  newDesc.value = ''
-  clearDir()
+  if (submitting.value) return // 防双击重复提交
+  submitting.value = true
+  try {
+    const stack = detectedStack.value.length ? JSON.stringify(detectedStack.value) : undefined
+    const r = await store.createProject(newName.value.trim(), newDesc.value.trim(), undefined, newPath.value || undefined, stack)
+    if (!r) return // 失败已 toast,保持弹窗不关
+    showCreateModal.value = false
+    newName.value = ''
+    newDesc.value = ''
+    clearDir()
+  } finally {
+    submitting.value = false
+  }
 }
 
 // ── 删除 / 回收站 ──
@@ -603,6 +617,20 @@ async function runImport() {
   font-size: 14px; color: var(--df-text-dim);
 }
 
+/* ===== 错误条(消费 store.error,对齐 Knowledge error-banner) ===== */
+.error-banner {
+  display: flex; align-items: center; justify-content: space-between; gap: 12px;
+  padding: 8px 12px; margin-bottom: var(--df-gap-page);
+  background: rgba(255,107,107,0.12); border: 0.5px solid var(--df-danger);
+  border-radius: var(--df-radius-sm); color: var(--df-danger); font-size: 12px;
+}
+.error-text { word-break: break-word; }
+.error-dismiss {
+  flex-shrink: 0; background: transparent; border: none; color: var(--df-danger);
+  font-size: 14px; cursor: pointer; line-height: 1; padding: 0 2px;
+}
+.error-dismiss:hover { opacity: 0.7; }
+
 /* ===== 卡片删除按钮 + 回收站 ===== */
 .card-top-actions { display: flex; align-items: center; gap: 8px; }
 .card-del-btn {