Finish Schoolhouse programming submission flow

home/doris-schoolhouse/bin/test-assignment-handoff.sh

@@ -1,21 +1,36 @@
 #!/usr/bin/env bash
 set -euo pipefail
 if [ "$#" -lt 2 ]; then
-  echo "usage: $0 <file> <class_name> [assignment_name]" >&2
+  echo "usage: $0 <file> [more_files ...] <class_name> [assignment_name]" >&2
   exit 1
 fi
-FILE="$1"
-CLASS_NAME="$2"
-ASSIGNMENT_NAME="${3:-Sample Assignment}"
+
+ARGS=("$@")
+COUNT=$#
+if [ "$COUNT" -eq 2 ]; then
+  FILES=("${ARGS[0]}")
+  CLASS_NAME="${ARGS[1]}"
+  ASSIGNMENT_NAME="Sample Assignment"
+elif [ "$COUNT" -eq 3 ]; then
+  FILES=("${ARGS[0]}")
+  CLASS_NAME="${ARGS[1]}"
+  ASSIGNMENT_NAME="${ARGS[2]}"
+else
+  FILES=("${ARGS[@]:0:$COUNT-2}")
+  CLASS_NAME="${ARGS[$COUNT-2]}"
+  ASSIGNMENT_NAME="${ARGS[$COUNT-1]}"
+fi
+
 TARGET="${N8N_BASE_URL:-https://n8n.example.com}${SCHOOLHOUSE_N8N_ASSIGNMENT_WEBHOOK:-/webhook/school/intake/upload}"
-cat <<MSG
-Dry-run assignment handoff preview
-Target: $TARGET
-Command:
-curl -X POST "$TARGET" \\
-  -F "document=@$FILE" \\
-  -F "class_name=$CLASS_NAME" \\
-  -F "assignment_name=$ASSIGNMENT_NAME" \\
-  -F "submission_kind=assignment_turn_in" \\
-  -F "source=doris-schoolhouse"
-MSG
+
+echo "Dry-run assignment handoff preview"
+echo "Target: $TARGET"
+echo "Command:"
+echo "curl -X POST \"$TARGET\" \\"
+for file in "${FILES[@]}"; do
+  echo "  -F \"document=@$file\" \\"
+done
+echo "  -F \"class_name=$CLASS_NAME\" \\"
+echo "  -F \"assignment_name=$ASSIGNMENT_NAME\" \\"
+echo "  -F \"submission_kind=assignment_turn_in\" \\"
+echo "  -F \"source=doris-schoolhouse\""