Fix ollamacloud api arguments object error

Author: radare

src/messages.c

@@ -308,7 +308,7 @@ R_API bool r2ai_msgs_from_json(RList *msgs, const RJson *json) {
 	return true;
 }
 
-R_API char *r2ai_msgs_to_json(const RList *msgs) {
+R_API char *r2ai_msgs_to_json(const RList *msgs, bool raw_tool_args) {
 	if (!msgs || r_list_empty (msgs)) {
 		return NULL;
 	}
@@ -372,8 +372,14 @@ R_API char *r2ai_msgs_to_json(const RList *msgs) {
 				// Add name
 				pj_ks (pj, "name", tc->name? tc->name: "");
 
-				// Add arguments (required by OpenAI API)
-				pj_ks (pj, "arguments", tc->arguments? tc->arguments: "{}");
+				// OpenAI wants arguments as a JSON-encoded string; Ollama wants a raw object.
+				const char *a = R_STR_ISEMPTY (tc->arguments)? "{}": tc->arguments;
+				pj_k (pj, "arguments");
+				if (raw_tool_args) {
+					pj_raw (pj, a);
+				} else {
+					pj_s (pj, a);
+				}
 
 				pj_end (pj); // End function object
 				pj_end (pj); // End tool call object

src/openai.c

@@ -93,7 +93,7 @@ R_IPI R2AI_ChatResponse *r2ai_openai(RCorePluginSession *cps, R2AIArgs args) {
 
 	if (temp_msgs && !r_list_empty (temp_msgs)) {
 		R_LOG_DEBUG ("Using input messages: %d messages", r_list_length (temp_msgs));
-		messages_json = r2ai_msgs_to_json (temp_msgs);
+		messages_json = r2ai_msgs_to_json (temp_msgs, provider_info && provider_info->api_type == R2AI_API_OLLAMA);
 		if (!messages_json) {
 			if (error) {
 				*error = strdup ("Failed to convert messages to JSON");

src/r2ai.c

@@ -626,7 +626,7 @@ R_IPI bool r2ai_init(RCorePluginSession *cps) {
 
 	r_config_set_i (core->config, "r2ai.http.timeout", 240);
 	r_config_desc (core->config, "r2ai.http.timeout", "HTTP client timeout (seconds) for provider API calls");
-	r_config_set_i (core->config, "r2ai.http.max_retries", 5);
+	r_config_set_i (core->config, "r2ai.http.max_retries", 3);
 	r_config_desc (core->config, "r2ai.http.max_retries", "Maximum number of HTTP retries for failed requests");
 	r_config_set_i (core->config, "r2ai.http.max_backoff", 30);
 	r_config_desc (core->config, "r2ai.http.max_backoff", "Maximum backoff time (seconds) between HTTP retries");

src/r2ai.h

@@ -219,9 +219,12 @@ R_API bool r2ai_msgs_from_json(RList *msgs, const RJson *json);
 
 /**
  * Convert messages array to JSON string
+ * When raw_tool_args is true, tool_call arguments are emitted as raw JSON
+ * objects (Ollama convention) instead of JSON-encoded strings (OpenAI
+ * convention).
  * Caller must free the returned string
  */
-R_API char *r2ai_msgs_to_json(const RList *msgs);
+R_API char *r2ai_msgs_to_json(const RList *msgs, bool raw_tool_args);
 
 /**
  * Convert messages array to Anthropic format JSON string