feat(llama.cpp): consolidate options and respect tokenizer template when enabled (#7120)

* feat(llama.cpp): expose env vars as options for consistency

This allows to configure everything in the YAML file of the model rather
than have global configurations

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* feat(llama.cpp): respect usetokenizertemplate and use llama.cpp templating system to process messages

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* WIP

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Detect template exists if use tokenizer template is enabled

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Better recognization of chat

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Fixes to support tool calls while using templates from tokenizer

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Fixups

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Drop template guessing, fix passing tools to tokenizer

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Extract grammar and other options from chat template, add schema struct

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* WIP

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* WIP

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Automatically set use_jinja

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Cleanups, identify by default gguf models for chat

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Update docs

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

---------

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

pkg/functions/parse.go

@@ -53,7 +53,7 @@ type GrammarConfig struct {
 
 type GrammarTrigger struct {
 	// Trigger is the string that triggers the grammar
-	Word    string `yaml:"word"`
+	Word string `yaml:"word"`
 }
 
 // FunctionsConfig is the configuration for the tool/function call.