tool-call: refactor common chat / tool-call api (+ tests / fixes)

Makefile

@@ -1364,7 +1364,7 @@ llama-server: \
 	examples/server/index.html.hpp \
 	examples/server/loading.html.hpp \
 	common/chat.cpp \
-	common/chat.hpp \
+	common/chat.h \
 	common/chat-template.hpp \
 	common/json.hpp \
 	common/minja.hpp \

common/CMakeLists.txt

@@ -57,8 +57,7 @@ add_library(${TARGET} STATIC
     arg.h
     base64.hpp
     chat.cpp
-    chat.hpp
-    chat-template.hpp
+    chat.h
     common.cpp
     common.h
     console.cpp
@@ -68,7 +67,8 @@ add_library(${TARGET} STATIC
     llguidance.cpp
     log.cpp
     log.h
-    minja.hpp
+    minja/chat-template.hpp
+    minja/minja.hpp
     ngram-cache.cpp
     ngram-cache.h
     sampling.cpp

common/arg.cpp

@@ -2,6 +2,7 @@
 
 #include "log.h"
 #include "sampling.h"
+#include "chat.h"
 
 #include <algorithm>
 #include <climits>