modules/lsp: rename server settings → config

See RFC: https://github.com/nix-community/nixvim/issues/3745

This effectively reverts 21688b1d2a

modules/lsp/servers/default.nix

@@ -103,7 +103,7 @@ in
       '';
       default = { };
       example = {
-        "*".settings = {
+        "*".config = {
           root_markers = [ ".git" ];
           capabilities.textDocument.semanticTokens = {
             multilineTokenSupport = true;
@@ -112,7 +112,7 @@ in
         lua_ls.enable = true;
         clangd = {
           enable = true;
-          settings = {
+          config = {
             cmd = [
               "clangd"
               "--background-index"
@@ -161,11 +161,11 @@ in
             server:
             let
               luaName = toLuaObject server.name;
-              luaSettings = toLuaObject server.settings;
-              wrap = server.__settingsWrapper or lib.id;
+              luaConfig = toLuaObject server.config;
+              wrap = server.__configWrapper or lib.id;
             in
             [
-              (lib.mkIf (server.settings != { }) "vim.lsp.config(${luaName}, ${wrap luaSettings})")
+              (lib.mkIf (server.config != { }) "vim.lsp.config(${luaName}, ${wrap luaConfig})")
               (lib.mkIf (server.activate or false) "vim.lsp.enable(${luaName})")
             ];
         in
@@ -182,13 +182,13 @@ in
 
             local __setup = ${lib.foldr lib.id "{ capabilities = __lspCapabilities() }" oldCfg.setupWrappers}
 
-            local __wrapSettings = function(settings)
-              if settings == nil then
-                settings = __setup
+            local __wrapConfig = function(cfg)
+              if cfg == nil then
+                cfg = __setup
               else
-                settings = vim.tbl_extend("keep", settings, __setup)
+                cfg = vim.tbl_extend("keep", cfg, __setup)
               end
-              return settings
+              return cfg
             end
           ''
           ++ builtins.concatMap mkServerConfig enabledServers

modules/lsp/servers/global-server.nix

@@ -23,7 +23,7 @@ in
       readOnly = true;
     };
 
-    settings = lib.mkOption {
+    config = lib.mkOption {
       type = with types; attrsOf anything;
       description = ''
         Default configuration shared by all servers.

modules/lsp/servers/server-renames.nix

@@ -11,11 +11,12 @@
   };
 
   imports = [
-    # TODO: rename added 2025-04-30 (during the 25.05 cycle)
-    # The previous name `config` was introduced 2025-04-28 (during the 25.05 cycle)
-    # Because the previous name `config` never made it into a stable release,
-    # we could consider dropping this alias sooner than normal.
-    (lib.mkRenamedOptionModule [ "config" ] [ "settings" ])
+    # 2025-05-28: Introduced the option, named `config`
+    # 2025-04-30: Renamed `config` → `settings`
+    # 25.05 released 🚀
+    # 2025-10-03: Renamed `settings` → `config` 🙈
+    # See RFC: https://github.com/nix-community/nixvim/issues/3745
+    (lib.mkRenamedOptionModule [ "settings" ] [ "config" ])
   ];
 
 }

modules/lsp/servers/server.nix

@@ -2,7 +2,7 @@
 {
   name ? "the language server",
   package ? null,
-  settings ? null,
+  config ? null,
   pkgs ? { },
 }@args:
 {
@@ -64,14 +64,14 @@ in
       '';
     };
 
-    settings = lib.mkOption {
+    config = lib.mkOption {
       type = with types; attrsOf anything;
       description = ''
-        Configurations for ${displayName}. ${settings.extraDescription or ""}
+        Configurations for ${displayName}. ${args.config.extraDescription or ""}
       '';
       default = { };
       example =
-        settings.example or {
+        args.config.example or {
           cmd = [
             "clangd"
             "--background-index"