Initial commit: 国土空间规划课程智能体 v1.0

单容器 Docker 架构的国土空间规划课程智能问答系统，集成 FastAPI 后端与 Next.js 前端。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

web/src/app/(main)/knowledge/page.tsx

@@ -0,0 +1,318 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import { useRouter } from "next/navigation";
+import { useAuthStore } from "@/store/auth";
+import { Button } from "@/components/ui/button";
+import MobileNav from "@/components/layout/mobile-nav";
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+import { Alert, AlertDescription } from "@/components/ui/alert";
+import { Dialog, DialogContent, DialogDescription, DialogFooter, DialogHeader, DialogTitle, DialogTrigger } from "@/components/ui/dialog";
+import { 
+  Upload, 
+  FileText, 
+  Search, 
+  Plus, 
+  Trash2, 
+  Eye,
+  CheckCircle,
+  Clock,
+  Loader2,
+  BookOpen,
+  Settings,
+  FolderOpen
+} from "lucide-react";
+import { formatFileSize, formatDate } from "@/lib/utils";
+import { knowledgeBaseAPI } from "@/lib/api";
+import { KnowledgeBase } from "@/types";
+
+export default function KnowledgePage() {
+  const router = useRouter();
+  const { isAuthenticated, isLoading: authLoading } = useAuthStore();
+  const [knowledgeBases, setKnowledgeBases] = useState<KnowledgeBase[]>([]);
+  const [isLoading, setIsLoading] = useState(true);
+  const [searchQuery, setSearchQuery] = useState("");
+  const [error, setError] = useState<string | null>(null);
+  
+  // 创建知识库对话框状态
+  const [isCreateDialogOpen, setIsCreateDialogOpen] = useState(false);
+  const [createName, setCreateName] = useState("");
+  const [createDescription, setCreateDescription] = useState("");
+  const [isCreating, setIsCreating] = useState(false);
+
+  useEffect(() => {
+    if (!authLoading && !isAuthenticated) {
+      router.push("/login");
+      return;
+    }
+
+    if (isAuthenticated) {
+      loadKnowledgeBases();
+    }
+  }, [isAuthenticated, authLoading, router]);
+
+  const loadKnowledgeBases = async () => {
+    try {
+      setIsLoading(true);
+      setError(null);
+      const bases = await knowledgeBaseAPI.getKnowledgeBases();
+      // 过滤掉系统知识库，只显示用户创建的知识库
+      const userBases = bases.filter(kb => !kb.is_system);
+      setKnowledgeBases(userBases);
+    } catch (err) {
+      console.error("加载知识库失败:", err);
+      setError("加载知识库失败");
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  const handleCreateKnowledgeBase = async () => {
+    if (!createName.trim()) return;
+
+    try {
+      setIsCreating(true);
+      setError(null);
+
+      await knowledgeBaseAPI.createKnowledgeBase({
+        name: createName.trim(),
+        description: createDescription.trim() || undefined,
+      });
+      
+      // 重新加载知识库列表
+      await loadKnowledgeBases();
+      
+      // 重置表单并关闭对话框
+      setCreateName("");
+      setCreateDescription("");
+      setIsCreateDialogOpen(false);
+      
+    } catch (err) {
+      console.error("创建知识库失败:", err);
+      setError("创建知识库失败");
+    } finally {
+      setIsCreating(false);
+    }
+  };
+
+  const handleDeleteKnowledgeBase = async (knowledgeBaseId: number) => {
+    if (!confirm("确定要删除这个知识库吗？这将删除其中的所有文档。")) return;
+
+    try {
+      await knowledgeBaseAPI.deleteKnowledgeBase(knowledgeBaseId.toString());
+      await loadKnowledgeBases();
+    } catch (err) {
+      console.error("删除知识库失败:", err);
+      setError("删除知识库失败");
+    }
+  };
+
+  const filteredKnowledgeBases = knowledgeBases.filter(kb =>
+    kb.name.toLowerCase().includes(searchQuery.toLowerCase()) ||
+    (kb.description && kb.description.toLowerCase().includes(searchQuery.toLowerCase()))
+  );
+
+  if (authLoading || isLoading) {
+    return (
+      <div className="min-h-screen flex items-center justify-center">
+        <Loader2 className="w-8 h-8 animate-spin" />
+      </div>
+    );
+  }
+
+  if (!isAuthenticated) {
+    return null;
+  }
+
+  return (
+    <div className="min-h-screen bg-app pb-16 lg:pb-0">
+      <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
+        {/* 页面头部 */}
+        <div className="mb-8">
+          <h1 className="text-3xl font-bold mb-2">知识库管理</h1>
+          <p className="text-muted-foreground">创建和管理您的知识库，组织文档内容</p>
+        </div>
+
+        {/* 错误提示 */}
+        {error && (
+          <Alert variant="destructive" className="mb-6">
+            <AlertDescription>{error}</AlertDescription>
+          </Alert>
+        )}
+
+        {/* 操作栏 */}
+        <div className="flex flex-col sm:flex-row justify-between items-start sm:items-center mb-6">
+          <div className="flex items-center space-x-4 mb-4 sm:mb-0">
+            {/* 创建知识库按钮 */}
+            <Dialog open={isCreateDialogOpen} onOpenChange={setIsCreateDialogOpen}>
+              <DialogTrigger asChild>
+                <Button className="bg-gradient-to-r from-blue-600 to-purple-600 hover:from-blue-700 hover:to-purple-700">
+                  <Plus className="w-4 h-4 mr-2" />
+                  创建知识库
+                </Button>
+              </DialogTrigger>
+              <DialogContent>
+                <DialogHeader>
+                  <DialogTitle>创建新知识库</DialogTitle>
+                  <DialogDescription>
+                    创建一个新的知识库来组织您的文档
+                  </DialogDescription>
+                </DialogHeader>
+                <div className="space-y-4">
+                  <div>
+                    <Label htmlFor="kb-name">知识库名称</Label>
+                    <Input
+                      id="kb-name"
+                      value={createName}
+                      onChange={(e) => setCreateName(e.target.value)}
+                      placeholder="请输入知识库名称"
+                      disabled={isCreating}
+                    />
+                  </div>
+                  <div>
+                    <Label htmlFor="kb-description">描述（可选）</Label>
+                    <Input
+                      id="kb-description"
+                      value={createDescription}
+                      onChange={(e) => setCreateDescription(e.target.value)}
+                      placeholder="请输入知识库描述"
+                      disabled={isCreating}
+                    />
+                  </div>
+                </div>
+                <DialogFooter>
+                  <Button
+                    variant="outline"
+                    onClick={() => setIsCreateDialogOpen(false)}
+                    disabled={isCreating}
+                  >
+                    取消
+                  </Button>
+                  <Button
+                    onClick={handleCreateKnowledgeBase}
+                    disabled={!createName.trim() || isCreating}
+                  >
+                    {isCreating ? (
+                      <>
+                        <Loader2 className="w-4 h-4 mr-2 animate-spin" />
+                        创建中...
+                      </>
+                    ) : (
+                      "创建"
+                    )}
+                  </Button>
+                </DialogFooter>
+              </DialogContent>
+            </Dialog>
+          </div>
+          
+          <div className="flex items-center space-x-4">
+            <div className="relative">
+              <Search className="absolute left-3 top-1/2 transform -translate-y-1/2 text-gray-400 w-4 h-4" />
+              <Input
+                placeholder="搜索知识库..."
+                value={searchQuery}
+                onChange={(e) => setSearchQuery(e.target.value)}
+                className="pl-10 w-64"
+              />
+            </div>
+            <div className="text-sm text-muted-foreground">
+              共 {filteredKnowledgeBases.length} 个知识库
+            </div>
+          </div>
+        </div>
+
+        {/* 知识库列表 */}
+        {filteredKnowledgeBases.length === 0 ? (
+          <Card className="backdrop-blur-sm bg-card/80 border-border/50 shadow-xl">
+            <CardContent className="text-center py-12">
+              <BookOpen className="w-12 h-12 text-muted-foreground mx-auto mb-4" />
+              <h3 className="text-lg font-medium mb-2">
+                {searchQuery ? "没有找到匹配的知识库" : "还没有创建知识库"}
+              </h3>
+              <p className="text-muted-foreground mb-4">
+                {searchQuery ? "尝试使用其他关键词搜索" : "创建您的第一个知识库来组织文档"}
+              </p>
+              {!searchQuery && (
+                <Button onClick={() => setIsCreateDialogOpen(true)}>
+                  <Plus className="w-4 h-4 mr-2" />
+                  创建知识库
+                </Button>
+              )}
+            </CardContent>
+          </Card>
+        ) : (
+          <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
+            {filteredKnowledgeBases.map((kb) => (
+              <Card key={kb.id} className="hover:shadow-lg transition-shadow backdrop-blur-sm bg-card/80 border-border/50">
+                <CardHeader>
+                  <div className="flex items-start justify-between">
+                    <div className="flex items-center space-x-2">
+                      <BookOpen className="w-5 h-5 text-blue-600" />
+                      <div>
+                        <CardTitle className="text-lg">{kb.name}</CardTitle>
+                        <CardDescription className="text-sm">
+                          {kb.description || "暂无描述"}
+                        </CardDescription>
+                      </div>
+                    </div>
+                    <div className="flex items-center space-x-1">
+                      {kb.document_count > 0 ? (
+                        <CheckCircle className="w-4 h-4 text-green-600" />
+                      ) : (
+                        <Clock className="w-4 h-4 text-gray-400" />
+                      )}
+                    </div>
+                  </div>
+                </CardHeader>
+                <CardContent>
+                  <div className="space-y-2">
+                    <div className="flex justify-between text-sm text-muted-foreground">
+                      <span>文档数量</span>
+                      <span>{kb.document_count} 个文档</span>
+                    </div>
+                    <div className="flex justify-between text-sm text-muted-foreground">
+                      <span>创建时间</span>
+                      <span>{formatDate(kb.created_at)}</span>
+                    </div>
+                    <div className="flex justify-between text-sm">
+                      <span>状态</span>
+                      <span className={kb.document_count > 0 ? "text-green-600" : "text-gray-500"}>
+                        {kb.document_count > 0 ? "已就绪" : "空知识库"}
+                      </span>
+                    </div>
+                  </div>
+                  
+                  <div className="flex space-x-2 mt-4">
+                    <Button 
+                      variant="outline" 
+                      size="sm" 
+                      className="flex-1"
+                      onClick={() => router.push(`/knowledge/${kb.id}`)}
+                    >
+                      <Settings className="w-4 h-4 mr-1" />
+                      管理
+                    </Button>
+                    <Button 
+                      variant="outline" 
+                      size="sm"
+                      onClick={() => handleDeleteKnowledgeBase(kb.id)}
+                      className="text-red-600 hover:text-red-700"
+                    >
+                      <Trash2 className="w-4 h-4" />
+                    </Button>
+                  </div>
+                </CardContent>
+              </Card>
+            ))}
+          </div>
+        )}
+      </div>
+      
+      {/* 移动端导航 */}
+      <MobileNav />
+    </div>
+  );
+}