feat: add server log endpoint and streaming

local/controller/controller.go

@@ -69,4 +69,9 @@ func InitializeControllers(c *dig.Container) {
 	if err != nil {
 		logging.Panic("unable to initialize steam controller")
 	}
+
+	err = c.Invoke(NewLogController)
+	if err != nil {
+		logging.Panic("unable to initialize log controller")
+	}
 }

local/controller/log.go

@@ -0,0 +1,62 @@
+package controller
+
+import (
+	"acc-server-manager/local/middleware"
+	"acc-server-manager/local/model"
+	"acc-server-manager/local/service"
+	"acc-server-manager/local/utl/common"
+	"acc-server-manager/local/utl/error_handler"
+	"strconv"
+
+	"github.com/gofiber/fiber/v2"
+	"github.com/google/uuid"
+)
+
+type LogController struct {
+	service      *service.ServerService
+	errorHandler *error_handler.ControllerErrorHandler
+}
+
+func NewLogController(ss *service.ServerService, routeGroups *common.RouteGroups, auth *middleware.AuthMiddleware) *LogController {
+	lc := &LogController{
+		service:      ss,
+		errorHandler: error_handler.NewControllerErrorHandler(),
+	}
+
+	logRoutes := routeGroups.Log
+	logRoutes.Use(auth.Authenticate)
+	logRoutes.Get("/", auth.HasPermission(model.ServerView), lc.GetLogLines)
+
+	return lc
+}
+
+// GetLogLines godoc
+// @Summary Get last N lines of server log
+// @Tags Server
+// @Param id path string true "Server ID"
+// @Param lines query int false "Number of lines to return (default 100)"
+// @Success 200 {object} object{lines=[]string}
+// @Security BearerAuth
+// @Router /server/{id}/log [get]
+func (lc *LogController) GetLogLines(c *fiber.Ctx) error {
+	serverIDStr := c.Params("id")
+	serverID, err := uuid.Parse(serverIDStr)
+	if err != nil {
+		return lc.errorHandler.HandleUUIDError(c, "server ID")
+	}
+
+	n, _ := strconv.Atoi(c.Query("lines", "100"))
+	if n <= 0 {
+		n = 100
+	}
+	if n > 10000 {
+		n = 10000
+	}
+
+	lines, err := lc.service.GetLastLogLines(c, serverID, n)
+	if err != nil {
+		return lc.errorHandler.HandleServiceError(c, err)
+	}
+
+	return c.JSON(fiber.Map{"lines": lines})
+}