refactor!(backend): remove check_cmd nonsense

backend/cmd/main.go

@@ -211,7 +211,6 @@ func main() {
 			jobsGroup.POST("", jobsHandlers.AddJob)
 			jobsGroup.POST("/:id/wait", jobsHandlers.WaitJob)
 			jobsGroup.GET("/metrics", jobsHandlers.GetJobMetrics)
-			jobsGroup.POST("/check_cmd", jobsHandlers.CheckCmd)
 		}
 
 		// Agent registration

backend/internal/handlers/jobs.go

@@ -4,7 +4,6 @@ import (
 	"errors"
 	"fmt"
 	"net/http"
-	"os/exec"
 	"strconv"
 	"time"
 
@@ -192,42 +191,6 @@ func resolveCommand(c *gin.Context, svc *service.ScriptService, interpID int64,
 	return command, nil
 }
 
-// @Summary Check command path
-// @Description Validates that a command binary exists on the system
-// @Tags jobs
-// @Accept json
-// @Param body body CheckCmdIn true "Command to check"
-// @Success 200 {object} CheckCmdOut
-// @Failure 404 {object} map[string]string
-// @Router /jobs/check_cmd [post]
-func (h *JobsHandlers) CheckCmd(c *gin.Context) {
-	var in struct {
-		Command string `json:"command" binding:"required"`
-	}
-	if err := c.Bind(&in); err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid request"})
-		return
-	}
-
-	if _, err := exec.LookPath(in.Command); err != nil {
-		if errors.Is(err, exec.ErrNotFound) {
-			c.JSON(http.StatusNotFound, gin.H{"error": "command not found"})
-			return
-		}
-		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
-		return
-	}
-
-	c.JSON(http.StatusOK, CheckCmdOut{Exists: true})
-}
-
-type CheckCmdIn struct {
-	Command string `json:"command" binding:"required" example:"bash"`
-}
-type CheckCmdOut struct {
-	Exists bool `json:"exists"`
-}
-
 // JobMetricsOut is the response body for the job metrics endpoint.
 type JobMetricsOut struct {
 	Total   int    `json:"total"`