tool call fixes

chat.go

@@ -365,6 +365,8 @@ func RunCompletion(ctx context.Context, response *Stream, request *openrouter.Ch
 
 	var (
 		id    string
+		open  int
+		close int
 		tool  *ToolCall
 	)
 
@@ -405,12 +407,25 @@ func RunCompletion(ctx context.Context, response *Stream, request *openrouter.Ch
 		if len(calls) > 0 {
 			call := calls[0]
 
+			if open > 0 && open == close {
+				continue
+			}
+
 			if tool == nil {
 				tool = &ToolCall{}
 			}
 
+			if call.ID != "" && !strings.HasSuffix(tool.ID, call.ID) {
 				tool.ID += call.ID
+			}
+
+			if call.Function.Name != "" && !strings.HasSuffix(tool.Name, call.Function.Name) {
 				tool.Name += call.Function.Name
+			}
+
+			open += strings.Count(call.Function.Arguments, "{")
+			close += strings.Count(call.Function.Arguments, "}")
+
 			tool.Args += call.Function.Arguments
 		} else if tool != nil {
 			break

internal/tools.txt

@@ -18,8 +18,9 @@ Use at most 1 tool call per turn. You have %d turns with tool calls total. Choos
 - ❌ "detailed analysis of current renewable energy pricing trends and cost comparisons across different technologies"
 
 **fetch_contents({urls})**
-- Get full page content from 1-5 specific URLs via Exa's contents endpoint
+- Get full page content from multiple specific URLs via Exa's contents endpoint
 - Use when you have exact URLs and need complete text, code, or detailed information
+- `urls` is a []string of URLs to return the content of
 - Provides cleaned, readable content from web pages
 - Good for: documentation pages, articles, blog posts you found in search results