play_state_sync: fix jq combine fallback + detect_hosts; load_config: fix word-split on paths with spaces

play_state_sync.sh:
- Add detect_hosts() call so TRANSCODE_SERVERS alias is populated
- Switch MEDIA_SERVERS → TRANSCODE_SERVERS (correct array name from host*.conf)
- Fix malformed jq fallback in combine step (was {"} now handled with if/else)
- Skip placeholder API keys in _add_server

load_config.sh:
- Replace 'for x in $(ls glob)' with 'while read < <(printf glob | sort)'
  so paths with spaces (e.g. dev workspace) don't get word-split

load_config.sh

@@ -70,14 +70,14 @@
 # At least one host conf must be present or the ecosystem has no identity to work with.
     _host_confs_loaded=0
 
-    for _conf in $(ls "$LOAD_CONFIG_DIR/Configurations"/host*.conf 2>/dev/null | sort); do
-        if [[ -f "$_conf" ]]; then
-            source "$_conf"
-            (( _host_confs_loaded++ ))
-            [[ "${ENABLE_LOGGING:-false}" == "true" ]] && \
-                echo "[LOG] Loaded host config: $(basename "$_conf")" >&2
-        fi
-    done
+    # Use a sorted array glob — avoids word-splitting on paths with spaces
+    while IFS= read -r _conf; do
+        [[ -f "$_conf" ]] || continue
+        source "$_conf"
+        (( _host_confs_loaded++ ))
+        [[ "${ENABLE_LOGGING:-false}" == "true" ]] && \
+            echo "[LOG] Loaded host config: $(basename "$_conf")" >&2
+    done < <(printf '%s\n' "$LOAD_CONFIG_DIR/Configurations"/host*.conf 2>/dev/null | sort)
 
     if [[ "$_host_confs_loaded" -eq 0 ]]; then
         echo "[FATAL] No host*.conf files found in $LOAD_CONFIG_DIR" >&2