auto-install jq + fix duplicated INSTALL_START_EPOCH

Author: y-coffee-dev

dream-server/installers/lib/constants.sh

@@ -8,8 +8,7 @@
 # Expects: (nothing — first file sourced)
 # Provides: VERSION, SCRIPT_DIR, INSTALL_DIR, LOG_FILE, color codes,
 #           SYSTEM_TZ, CAPABILITY_PROFILE_FILE, PREFLIGHT_REPORT_FILE,
-#           INSTALL_START_EPOCH, _sed_i(),
-#           INSTALL_START_EPOCH
+#           INSTALL_START_EPOCH, _sed_i()
 #
 # Modder notes:
 #   Change VERSION for custom builds. Add new color codes here.

dream-server/installers/phases/01-preflight.sh

@@ -43,12 +43,15 @@ fi
 log "curl: $(curl --version 2>/dev/null | sed -n '1p')"
 
 if ! command -v jq &> /dev/null; then
+    log "jq not found — attempting auto-install..."
     case "$PKG_MANAGER" in
-        dnf)    error "jq is required but not installed. Install with: sudo dnf install jq" ;;
-        pacman) error "jq is required but not installed. Install with: sudo pacman -S jq" ;;
-        zypper) error "jq is required but not installed. Install with: sudo zypper install jq" ;;
-        *)      error "jq is required but not installed. Install with: sudo apt install jq" ;;
+        dnf)    sudo dnf install -y jq ;;
+        pacman) sudo pacman -S --noconfirm jq ;;
+        zypper) sudo zypper install -y jq ;;
+        apk)    sudo apk add jq ;;
+        *)      sudo apt-get install -y jq ;;
     esac
+    command -v jq &> /dev/null || error "Failed to install jq automatically. Install it manually and re-run."
 fi
 log "jq: $(jq --version 2>/dev/null)"