chore: add ansible deploy simple logic, upgrade admin auth logic and docs

backend/cmd/main.go

@@ -74,6 +74,7 @@ func main() {
 				PermissionView:   true,
 				PermissionManage: true,
 				PermissionAdmin:  true,
+				IsActive:         true, // Admin user is active by default
 			})
 			if err != nil {
 				log.Printf("Warning: failed to create admin user: %v", err)
@@ -108,6 +109,17 @@ func main() {
 			authTokenGroup.GET("/tokens", handlers.RequireAdmin(), auth.ListTokens)
 			authTokenGroup.DELETE("/token", auth.DeleteMyToken)
 			authTokenGroup.DELETE("/tokens/:login", handlers.RequireAdmin(), auth.DeleteToken)
+			
+			// User management (admin only) - Full CRUD
+			authTokenGroup.GET("/users/:login", handlers.RequireAdmin(), auth.GetUser)
+			authTokenGroup.PUT("/users/:login", handlers.RequireAdmin(), auth.UpdateUser)
+			authTokenGroup.PUT("/users/:login/permissions", handlers.RequireAdmin(), auth.UpdateUserPermissions)
+			authTokenGroup.PUT("/users/:login/password", handlers.RequireAdmin(), auth.ResetUserPassword)
+			
+			// User activation management (admin only)
+			authTokenGroup.POST("/users/:login/activate", handlers.RequireAdmin(), auth.ActivateUser)
+			authTokenGroup.POST("/users/:login/deactivate", handlers.RequireAdmin(), auth.DeactivateUser)
+			authTokenGroup.GET("/users/inactive", handlers.RequireAdmin(), auth.ListInactiveUsers)
 		}
 
 		// Agents (requires manage_agent permission)
@@ -126,12 +138,17 @@ func main() {
 		agentRegTokenGroup.Use(auth.AuthMiddleware(), handlers.RequireManageAgent())
 		{
 			agentRegTokenGroup.POST("/register-token", agentReg.CreateRegistrationToken)
+			agentRegTokenGroup.POST("/deploy", agentDeploy.DeployAgents)
 		}
 
 		// Logs (requires view permission)
 		logsGroup := v1.Group("/logs")
 		logsGroup.Use(auth.AuthMiddleware(), handlers.RequireView())
 		{
+			// Mock logs endpoint (always available, no ClickHouse required)
+			mockLogHandlers := handlers.NewLogHandlers(nil)
+			logsGroup.GET("/mock", mockLogHandlers.GetMockLogs)
+
 			if cfg.Database.Clickhouse_host != "" {
 				chConn, err := storage.OpenClickHouse(storage.ClickHouseConfig{
 					Host:     cfg.Database.Clickhouse_host,