docs(cli): add completed to status flag help

Amolith created 

Assisted-by: GLM 4.7 via Claude Code

Change summary

cmd/task/add.go | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Detailed changes

cmd/task/add.go 🔗 

@@ -42,7 +42,7 @@ Use "-" as NAME to read the task name from stdin.`,
 func init() {
 	AddCmd.Flags().StringP("area", "a", "", "Area key (from config)")
 	AddCmd.Flags().StringP("goal", "g", "", "Goal key (from config)")
-	AddCmd.Flags().StringP("status", "s", "", "Status: later, next, in-progress, waiting")
+	AddCmd.Flags().StringP("status", "s", "", "Status: later, next, in-progress, waiting, completed")
 	AddCmd.Flags().StringP("note", "n", "", "Task note (use - for stdin)")
 	AddCmd.Flags().StringP("priority", "p", "", "Priority: lowest, low, normal, high, highest")
 	AddCmd.Flags().IntP("estimate", "e", 0, "Estimate in minutes (0-720)")