fix body encoding

test_api.sh

@@ -51,6 +51,13 @@ jq -c '.[]' "$TEST_FILE" | while read -r test; do
   retries=$(jq -r '.retries // 0' <<<"$test")
   follow_location=$(jq -r '.follow_location // false' <<<"$test")
 
+  encoded_body=""
+  if [[ -n "$body" ]]; then
+    if ! encoded_body=$(jq -r '@json' <<<"$body" 2>/dev/null); then
+      echo "[$idx/$TOTAL] $name -> ERROR: Invalid JSON body" >&2
+      continue
+    fi
+  fi
 
   CURL_HDR_ARGS=()
   if jq -e 'type=="object"' <<<"$headers_json" >/dev/null 2>&1; then
@@ -143,8 +150,6 @@ jq -c '.[]' "$TEST_FILE" | while read -r test; do
         cat "$temp_resp" >&2
       fi
     fi
-
-    if (( attempt <= retries )); then sleep 1; continue; else break; fi
   done
 
   result=$(jq -n \
@@ -162,6 +167,10 @@ jq -c '.[]' "$TEST_FILE" | while read -r test; do
     echo "[$idx/$TOTAL] $name -> OK (status $http_code, ${latency_ms}ms)"
   else
     echo "[$idx/$TOTAL] $name -> FAIL (status ${http_code:-n/a}, reason: $last_err)" >&2
+    if [[ -s "$temp_resp" ]]; then
+      echo "Response body:" >&2
+      cat "$temp_resp" >&2
+    fi
   fi
 
   rm -f "$temp_resp"