Load inbounds from 3x-ui and use panel share links only.

Restore inbound selection from the panel API and send a minimal addClient payload so locally invented fields do not break configs.

Co-authored-by: Cursor <cursoragent@cursor.com>

translations/en.json

@@ -220,11 +220,11 @@
   "invite_duration_short": "Lifetime",
   "invite_duration_starts_hint": "After you get a config it will work for {} day(s)",
   "invite_config_expires_at": "Config valid until: {}",
-  "invite_inbound_hint": "Choose the VLESS inbound once — all configs from this link use it",
-  "invite_inbound_loading": "Loading inbounds…",
-  "invite_inbound_empty": "No VLESS inbounds found",
+  "invite_inbound_hint": "Inbounds are loaded from the selected 3x-ui panel. Only 3x-ui returns the config/share link.",
+  "invite_inbound_loading": "Loading inbounds from 3x-ui…",
+  "invite_inbound_empty": "No VLESS inbounds on this 3x-ui panel",
   "invite_inbound_need_xui": "Configure 3x-ui in Settings first",
-  "invite_inbound_required": "Select a VLESS inbound",
+  "invite_inbound_required": "Select a VLESS inbound from 3x-ui",
   "invite_sub_url_missing_title": "Subscription URL is not set",
   "invite_sub_url_missing_hint": "In Settings → 3x-ui set Subscription URL base so invite links issue /sub/… configs.",
   "invite_sub_tab": "Subscription",
@@ -301,16 +301,16 @@
   "xui_sync_hint": "Clients from 3x-ui inbounds will be created, disabled, and deleted as panel users (matched by email)",
   "xui_inbound_label": "VLESS inbound",
   "xui_inbound_auto": "Auto (first VLESS inbound)",
-  "xui_inbound_hint": "The 3x-ui panel assigns the inbound when creating a client. This site only sends the API request.",
+  "xui_inbound_hint": "Inbounds are loaded from 3x-ui. This site only creates the client and takes the ready share link — no local config generation.",
   "xui_servers_title": "3x-ui servers",
-  "xui_servers_hint": "Add 3x-ui panels. When creating invites/configs, pick a server — the panel assigns the inbound and returns the share link.",
+  "xui_servers_hint": "Add 3x-ui panels. When creating, pick a server and an inbound from the 3x-ui list — the panel returns the share link.",
   "xui_servers_empty": "No 3x-ui servers yet. Click Add server.",
   "xui_servers_manage_hint": "Panel URLs and subscription bases are managed in the “3x-ui servers” section below.",
   "xui_server_add": "Add server",
   "xui_server_name_label": "Name / description",
   "xui_server_name_hint": "Shown in invites and user forms (e.g. US, NL, Home).",
   "xui_server_select_label": "3x-ui server",
-  "xui_server_select_hint": "Pick a 3x-ui panel — it assigns the inbound and returns the subscription link.",
+  "xui_server_select_hint": "Pick a 3x-ui panel, then an inbound from the list that panel returns via API.",
   "xui_server_delete_confirm": "Delete this 3x-ui server from the panel?",
   "sync_now_btn": "🔄 Sync now",
   "delete_sync_btn": "🗑 Delete synchronization",