changes in sockets and terminal development

backend/internal/models/submission.go

@@ -0,0 +1,34 @@
+package models
+
+import "time"
+
+// CodeSubmission represents a code submission for execution
+type CodeSubmission struct {
+	ID          string    `json:"id"`
+	Code        string    `json:"code"`
+	Language    string    `json:"language"`
+	Input       string    `json:"input"`
+	Status      string    `json:"status"` // "pending", "queued", "running", "completed", "failed"
+	QueuedAt    time.Time `json:"queuedAt,omitempty"`
+	StartedAt   time.Time `json:"startedAt,omitempty"`
+	CompletedAt time.Time `json:"completedAt,omitempty"`
+	Output      string    `json:"output,omitempty"`
+	Error       string    `json:"error,omitempty"`
+}
+
+// ExecutionResult represents the result of code execution
+type ExecutionResult struct {
+	Output      string `json:"output"`
+	Error       string `json:"error"`
+	ExitCode    int    `json:"exitCode"`
+	ExecutionMS int64  `json:"executionMs"`
+}
+
+// QueueStats represents statistics about the job queue
+type QueueStats struct {
+	QueueLength    int `json:"queueLength"`
+	RunningJobs    int `json:"runningJobs"`
+	CompletedJobs  int `json:"completedJobs"`
+	FailedJobs     int `json:"failedJobs"`
+	TotalProcessed int `json:"totalProcessed"`
+}