feat(agent): Agent 工作台 - 计划插话记忆、统一模型选择器并修复摘要与视频入库

将计划清单、运行中插话和个人记忆接入云端 Agent；全站模型选择器统一为左右二级菜单。画布摘要按预算截断不再整轮拒绝，首页视频未知宽高可入库。README 补充贡献者 morrow。

Co-authored-by: Cursor <cursoragent@cursor.com>

web/src/services/api/admin-agent-lessons.ts

@@ -0,0 +1,25 @@
+import { compactApiParams, http } from "./request";
+import { agentMemoryCategoryLabel, AGENT_MEMORY_CATEGORIES, type AgentMemory, type AgentMemoryStep } from "./agent-memories";
+
+export type AdminAgentLesson = AgentMemory & {
+    authorUserId?: string;
+    authorUsername?: string;
+    authorDisplayName?: string;
+};
+
+export type { AgentMemoryStep };
+
+export function listAdminAgentLessons(params: { status?: string; userId?: string; keyword?: string; limit?: number } = {}) {
+    const { status, userId, keyword, limit = 100 } = params;
+    return http.get<{ lessons: AdminAgentLesson[] }>("/admin/agent-lessons", {
+        params: compactApiParams({ status, userId, keyword, limit }),
+        timeout: 15_000,
+    });
+}
+
+export function deleteAdminAgentLesson(id: string) {
+    return http.delete<{ id: string }>(`/admin/agent-lessons/${encodeURIComponent(id)}`, { timeout: 15_000 });
+}
+
+export const AGENT_LESSON_CATEGORIES = AGENT_MEMORY_CATEGORIES;
+export const agentLessonCategoryLabel = agentMemoryCategoryLabel;