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/services/agent-templates.ts

@@ -8,11 +8,16 @@ export const agentTemplateService = {
   get: (id: string, signal?: AbortSignal) =>
     request.get<AgentTemplate>(`/agent-templates/${id}`, withSignal({}, signal)).then((r) => r.data),
 
+  getFull: (id: string, signal?: AbortSignal) =>
+    request.get<AgentTemplate>(`/agent-templates/${id}/full`, withSignal({}, signal)).then((r) => r.data),
+
   create: (data: {
     name: string; description?: string; category?: string; source?: string
     model?: string; system_prompt?: string; tools?: string[]
     capabilities?: string[]; temperature?: number; max_tokens?: number
-    visibility?: string
+    visibility?: string; emoji?: string; personality?: string
+    soul_content?: string; welcome_message?: string
+    communication_style?: string; source_id?: string
   }, signal?: AbortSignal) =>
     request.post<AgentTemplate>('/agent-templates', data, withSignal({}, signal)).then((r) => r.data),