diff --git a/scripts/ui-assets.cmake b/scripts/ui-assets.cmake
index ae7a1cc26d..f85c562bd0 100644
--- a/scripts/ui-assets.cmake
+++ b/scripts/ui-assets.cmake
@@ -126,8 +126,22 @@ function(npm_build out_var)
         return()
     endif()
 
-    if(NOT EXISTS "${UI_SOURCE_DIR}/node_modules")
-        message(STATUS "UI: running npm install (first time)")
+    # npm writes node_modules/.package-lock.json on every successful install,
+    # so a package-lock.json newer than this marker means node_modules is stale
+    set(NPM_MARKER "${UI_SOURCE_DIR}/node_modules/.package-lock.json")
+    set(need_install FALSE)
+    if(NOT EXISTS "${NPM_MARKER}")
+        set(need_install TRUE)
+    else()
+        file(TIMESTAMP "${UI_SOURCE_DIR}/package-lock.json" lock_ts)
+        file(TIMESTAMP "${NPM_MARKER}" marker_ts)
+        if(lock_ts STRGREATER marker_ts)
+            set(need_install TRUE)
+        endif()
+    endif()
+
+    if(need_install)
+        message(STATUS "UI: running npm install")
         execute_process(
             COMMAND ${NPM_EXECUTABLE} install
             WORKING_DIRECTORY "${UI_SOURCE_DIR}"
diff --git a/src/llama-model.cpp b/src/llama-model.cpp
index fe64c70d35..db3219f18f 100644
--- a/src/llama-model.cpp
+++ b/src/llama-model.cpp
@@ -1638,7 +1638,8 @@ const float * llama_model::tensor_split() const {
 }
 
 uint32_t llama_model::n_gpu_layers() const {
-    return params.n_gpu_layers >= 0 ? params.n_gpu_layers : hparams.n_layer() + 1;
+    // note: plus 1 for the "output" layer
+    return params.n_gpu_layers >= 0 ? params.n_gpu_layers : hparams.n_layer_all + 1;
 }
 
 llama_split_mode llama_model::split_mode() const {
diff --git a/tools/server/README.md b/tools/server/README.md
index f1eeec36aa..3e14f5e6a2 100644
--- a/tools/server/README.md
+++ b/tools/server/README.md
@@ -1870,4 +1870,4 @@ You can specify default preferences for the web UI using `--ui-config <JSON conf
 
 > **Note:** The old flags `--webui-config` and `--webui-config-file` are deprecated but still work as aliases.
 
-You may find available preferences in [settings-config.ts](../ui/src/lib/constants/settings-config.ts).
+You may find available preferences in [settings-keys.ts](../ui/src/lib/constants/settings-keys.ts).
diff --git a/tools/ui/.npmrc b/tools/ui/.npmrc
index b6f27f1359..32e6012709 100644
--- a/tools/ui/.npmrc
+++ b/tools/ui/.npmrc
@@ -1 +1,2 @@
 engine-strict=true
+ignore-scripts=true