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>

backend/internal/service/aliases_types.go

@@ -8,6 +8,15 @@ type (
 	CloudAgentCapabilitySet                = app.CloudAgentCapabilitySet
 	AgentProfileRequest                    = app.AgentProfileRequest
 	AgentProfileView                       = app.AgentProfileView
+	AgentLessonView                        = app.AgentLessonView
+	AgentLessonAdminView                   = app.AgentLessonAdminView
+	AgentMemoryRequest                     = app.AgentMemoryRequest
+	AgentMemoryBundle                      = app.AgentMemoryBundle
+	AgentMemoryImportResult                = app.AgentMemoryImportResult
+	AgentMemoryCompactRequest              = app.AgentMemoryCompactRequest
+	AgentMemorySettingRequest              = app.AgentMemorySettingRequest
+	AgentMemoryCompactView                 = app.AgentMemoryCompactView
+	AgentMemoryCompactSummary              = app.AgentMemoryCompactSummary
 	APICallLogPage                         = app.APICallLogPage
 	APICallLogQuery                        = app.APICallLogQuery
 	AccountFileStorageUsage                = app.AccountFileStorageUsage