feat: add/remove keys from UI, backend URL setting, user service, Docker fix

- Add POST /models/add-key and POST /models/remove-key API endpoints
- Add 'Add New Key' modal (page-level) with provider selection
- Add remove button per key in Model Status view
- Add configurable backend URL setting in Settings panel with localStorage persistence
- Convert systemd service from system to user service (systemctl --user)
- Fix Docker entrypoint to chown all nested node_modules dirs
- Update dispatch.toml credential paths to use -pro/-max naming
- Make API port configurable via PORT env var (default 3000, prod 18390)

1 files changed, 2 insertions, 2 deletions

diff --git a/packaging/dispatch.install b/packaging/dispatch.install
index e6db694..7d1439f 100644
--- a/packaging/dispatch.install
+++ b/packaging/dispatch.install
@@ -3,7 +3,7 @@ post_install() {
 	echo "==> Dispatch has been installed."
 	echo "    Edit /etc/dispatch/dispatch-api.conf to configure the API."
 	echo "    Then enable and start the service:"
-	echo "      systemctl enable --now dispatch-api"
+	echo "      systemctl --user enable --now dispatch-api"
 	echo ""
 }
 
@@ -11,6 +11,6 @@ post_upgrade() {
 	echo ""
 	echo "==> Dispatch has been upgraded."
 	echo "    You may need to restart the service:"
-	echo "      systemctl restart dispatch-api"
+	echo "      systemctl --user restart dispatch-api"
 	echo ""
 }