refactor: replace associative array with Bash 3.2 compatible key-value store for collected runner data

setup/configure_runners.sh

@@ -227,7 +227,7 @@ ensure_runner_section() {
 save_runner_field() {
   local section="$1" key="$2" value="$3"
   ini_set "$RUNNERS_CONF" "$section" "$key" "$value"
-  COLLECTED_DATA["${section}:${key}"]="$value"
+  _cdata_set "${section}:${key}" "$value"
 }
 
 # ===========================================================================
@@ -272,7 +272,32 @@ TOTAL_PROMPTS=$((runner_count * 11))
 # ---------------------------------------------------------------------------
 # Keep arrays for end-of-run summary; values are persisted immediately.
 COLLECTED_NAMES=()
-declare -A COLLECTED_DATA  # COLLECTED_DATA["name:key"] = value
+# Bash 3.2 compatible key-value store (no associative arrays)
+_CDATA_KEYS=()
+_CDATA_VALS=()
+
+_cdata_set() {
+  local k="$1" v="$2" i
+  for i in "${!_CDATA_KEYS[@]}"; do
+    if [[ "${_CDATA_KEYS[$i]}" == "$k" ]]; then
+      _CDATA_VALS[i]="$v"
+      return 0
+    fi
+  done
+  _CDATA_KEYS+=("$k")
+  _CDATA_VALS+=("$v")
+}
+
+_cdata_get() {
+  local k="$1" default="${2:-}" i
+  for i in "${!_CDATA_KEYS[@]}"; do
+    if [[ "${_CDATA_KEYS[$i]}" == "$k" ]]; then
+      printf '%s' "${_CDATA_VALS[$i]}"
+      return 0
+    fi
+  done
+  printf '%s' "$default"
+}
 
 init_runners_conf
 
@@ -495,13 +520,13 @@ printf '%-20s %-10s %-8s %-6s %-10s %-6s %-10s %-24s\n' "----" "----" "----" "--
 for r_name in "${COLLECTED_NAMES[@]}"; do
   printf '%-20s %-10s %-8s %-6s %-10s %-6s %-10s %-24s\n' \
     "$r_name" \
-    "${COLLECTED_DATA["${r_name}:host"]:-}" \
+    "$(_cdata_get "${r_name}:host")" \
-    "${COLLECTED_DATA["${r_name}:type"]:-}" \
+    "$(_cdata_get "${r_name}:type")" \
-    "${COLLECTED_DATA["${r_name}:boot"]:-—}" \
+    "$(_cdata_get "${r_name}:boot" "—")" \
-    "${COLLECTED_DATA["${r_name}:labels"]:-}" \
+    "$(_cdata_get "${r_name}:labels")" \
-    "${COLLECTED_DATA["${r_name}:capacity"]:-}" \
+    "$(_cdata_get "${r_name}:capacity")" \
-    "${COLLECTED_DATA["${r_name}:repos"]:-}" \
+    "$(_cdata_get "${r_name}:repos")" \
-    "${COLLECTED_DATA["${r_name}:data_path"]:-}"
+    "$(_cdata_get "${r_name}:data_path")"
 done
 
 printf '\n  Saved to: %s\n\n' "$RUNNERS_CONF"