Fix .env loading for standalone repo structure

backend/src/main.rs

@@ -2344,11 +2344,7 @@ fn load_root_env() {
         env::current_dir()
             .ok()
             .and_then(|path| path.parent().map(|parent| parent.join(".env"))),
-        Some(
+        Some(PathBuf::from(env!("CARGO_MANIFEST_DIR")).join(".env")),
-            PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-                .join("..")
-                .join(".env"),
-        ),
     ];
 
     for candidate in candidates.into_iter().flatten() {

scripts/install-systemd-services.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+# Installs/updates the tssbot-backend systemd --user unit and (re)starts it.
+set -euo pipefail
+
+repo_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+unit_dir="${HOME}/.config/systemd/user"
+mkdir -p "${unit_dir}"
+
+ln -sf "${repo_dir}/systemd/tssbot-backend.service" "${unit_dir}/tssbot-backend.service"
+
+systemctl --user daemon-reload
+systemctl --user enable --now tssbot-backend.service
+
+if [ "$(loginctl show-user "$(whoami)" -p Linger --value 2>/dev/null)" != "yes" ]; then
+  echo "Linger is not enabled for $(whoami) — user services will stop when you log out."
+  echo "Enable it with: sudo loginctl enable-linger $(whoami)"
+fi
+
+systemctl --user status --no-pager tssbot-backend.service

systemd/tssbot-backend.service

@@ -0,0 +1,19 @@
+[Unit]
+Description=tssbot backend API service
+After=network-online.target
+Wants=network-online.target
+StartLimitIntervalSec=100
+StartLimitBurst=10
+
+[Service]
+Type=simple
+WorkingDirectory=%h/tssbot.web-backend
+ExecStart=%h/tssbot.web-backend/backend/target/release/tssbot-backend
+Restart=on-failure
+RestartSec=200ms
+RestartSteps=10
+RestartMaxDelaySec=10s
+TimeoutStopSec=10
+
+[Install]
+WantedBy=default.target