refactor: migrate from raw pgx to GORM, unify ErrNoRows, cleanup auth

internal/org/handler.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 	"log"
 	"net/http"
+	"strconv"
 
 	"github.com/gin-gonic/gin"
 )
@@ -76,16 +77,21 @@ func (h *Handler) GetByID(c *gin.Context) {
 }
 
 // @Summary      List organizations
-// @Description  Get all organizations
+// @Description  Get all organizations with pagination
 // @Tags         organizations
 // @Accept       json
 // @Produce      json
 // @Security     Bearer
+// @Param        limit   query  int  false  "Page size (default 20)"
+// @Param        offset  query  int  false  "Offset (default 0)"
 // @Success      200  {object}  OrgListResponse
 // @Failure      500  {object}  ErrorResponse
 // @Router       /api/organizations [get]
 func (h *Handler) List(c *gin.Context) {
-	resp, err := h.service.List(c.Request.Context())
+	limit, _ := strconv.Atoi(c.DefaultQuery("limit", "20"))
+	offset, _ := strconv.Atoi(c.DefaultQuery("offset", "0"))
+
+	resp, err := h.service.List(c.Request.Context(), limit, offset)
 	if err != nil {
 		log.Printf("list orgs error: %v", err)
 		c.JSON(http.StatusInternalServerError, ErrorResponse{Error: "internal server error"})