feat: add backend base URL field in setup config

src/pages/SetupWizardPage.tsx

@@ -16,6 +16,7 @@ interface SetupForm {
   db_user: string
   db_password: string
   db_database: string
+  backend_base_url: string
   project_name: string
   project_description: string
 }
@@ -37,6 +38,7 @@ export default function SetupWizardPage({ wizardBase, onComplete }: Props) {
     db_user: 'harborforge',
     db_password: 'harborforge_pass',
     db_database: 'harborforge',
+    backend_base_url: 'http://127.0.0.1:8000',
     project_name: 'Default',
     project_description: '默认项目',
   })
@@ -80,6 +82,7 @@ export default function SetupWizardPage({ wizardBase, onComplete }: Props) {
           password: form.db_password,
           database: form.db_database,
         },
+        backend_url: form.backend_base_url || undefined,
         default_project: form.project_name
           ? { name: form.project_name, description: form.project_description }
           : undefined,
@@ -178,6 +181,7 @@ export default function SetupWizardPage({ wizardBase, onComplete }: Props) {
             <h2>默认项目（可选）</h2>
             <p className="text-dim">创建一个初始项目，也可以跳过</p>
             <div className="setup-form">
+              <label>后端 Base URL <input value={form.backend_base_url} onChange={(e) => set('backend_base_url', e.target.value)} placeholder="http://127.0.0.1:8000" /></label>
               <label>项目名称 <input value={form.project_name} onChange={(e) => set('project_name', e.target.value)} placeholder="留空则跳过" /></label>
               <label>项目描述 <input value={form.project_description} onChange={(e) => set('project_description', e.target.value)} /></label>
             </div>