feat(admin-v2): add LLM routing to accounts, upgrade Key Pool CRUD, extend agent template fields

- Add llm_routing field (relay/local) to AccountPublic type and Accounts page table + edit modal
- Upgrade Providers Key Pool from read-only to full CRUD with add/toggle/delete mutations
- Extend AgentTemplate type with soul_content, scenarios, welcome_message, quick_commands,
  personality, communication_style, emoji, version, source_id fields
- Add AgentTemplateAvailable lightweight interface
- Add emoji column and extended form fields (emoji, personality, soul_content, welcome_message,
  communication_style, source_id) to Agent Templates page
- Add getFull method to agent-templates service
- Fix misplaced useState import in Accounts.tsx

admin-v2/src/pages/AgentTemplates.tsx

@@ -51,6 +51,7 @@ export default function AgentTemplates() {
   })
 
   const columns: ProColumns<AgentTemplate>[] = [
+    { title: '图标', dataIndex: 'emoji', width: 60 },
     { title: '名称', dataIndex: 'name', width: 160 },
     { title: '分类', dataIndex: 'category', width: 100 },
     { title: '模型', dataIndex: 'model', width: 140, render: (_, r) => r.model || '-' },
@@ -152,6 +153,29 @@ export default function AgentTemplates() {
               { value: 'private', label: '私有' },
             ]} />
           </Form.Item>
+          <Form.Item name="emoji" label="图标">
+            <Input placeholder="如 🏥" />
+          </Form.Item>
+          <Form.Item name="personality" label="人格预设">
+            <Select options={[
+              { value: 'professional', label: '专业' },
+              { value: 'friendly', label: '友好' },
+              { value: 'creative', label: '创意' },
+              { value: 'concise', label: '简洁' },
+            ]} allowClear placeholder="选择人格预设" />
+          </Form.Item>
+          <Form.Item name="soul_content" label="SOUL.md 人格配置">
+            <TextArea rows={8} />
+          </Form.Item>
+          <Form.Item name="welcome_message" label="欢迎语">
+            <TextArea rows={2} />
+          </Form.Item>
+          <Form.Item name="communication_style" label="沟通风格">
+            <TextArea rows={2} />
+          </Form.Item>
+          <Form.Item name="source_id" label="模板标识">
+            <Input placeholder="如 medical-assistant-v1" />
+          </Form.Item>
         </Form>
       </Modal>