Update llama.cpp textgen settings

* Add min_keep, a llama.cpp-exclusive setting for constraining the effect of truncation samplers
* Enable nsigma for llama.cpp, and add llama.cpp alias top_n_sigma, add nsigma to the llama.cpp sampler order block
* Allow a negative value of nsigma as this represents 'disabled' in llama.cpp (while 0 is deterministic)
* Remove tfs and top_a as these are not supported by llama.cpp (tfs was removed, and top_a was never supported)
* Correct the identification string for typical_p in the llama.cpp sampler order block
* Add penalties to the llama.cpp sampler order block

public/scripts/textgen-settings.js

@@ -56,10 +56,11 @@ const {
 } = textgen_types;
 
 const LLAMACPP_DEFAULT_ORDER = [
+    'penalties',
     'dry',
+    'top_n_sigma',
     'top_k',
-    'tfs_z',
-    'typical_p',
+    'typ_p',
     'top_p',
     'min_p',
     'xtc',
@@ -212,6 +213,7 @@ const settings = {
     xtc_threshold: 0.1,
     xtc_probability: 0,
     nsigma: 0.0,
+    min_keep: 0,
     featherless_model: '',
     generic_model: '',
 };
@@ -294,6 +296,7 @@ export const setting_names = [
     'xtc_threshold',
     'xtc_probability',
     'nsigma',
+    'min_keep',
     'generic_model',
 ];
 
@@ -803,7 +806,8 @@ jQuery(function () {
             'dry_penalty_last_n_textgenerationwebui': 0,
             'xtc_threshold_textgenerationwebui': 0.1,
             'xtc_probability_textgenerationwebui': 0,
-            'nsigma_textgenerationwebui': 0,
+            'nsigma_textgenerationwebui': [LLAMACPP].includes(settings.type) ? -0.01 : 0,
+            'min_keep_textgenerationwebui': 0,
         };
 
         for (const [id, value] of Object.entries(inputs)) {
@@ -1332,6 +1336,8 @@ export async function getTextGenGenerationData(finalPrompt, maxTokens, isImperso
         'xtc_threshold': settings.xtc_threshold,
         'xtc_probability': settings.xtc_probability,
         'nsigma': settings.nsigma,
+        'top_n_sigma': settings.nsigma,
+        'min_keep': settings.min_keep,
     };
     const nonAphroditeParams = {
         'rep_pen': settings.rep_pen,