Changeset 0.23.0 (#153)

server/providers/anthropic.go

@@ -235,6 +235,20 @@ func (p *AnthropicProvider) doRequest(ctx context.Context, cfg ProviderConfig, r
 
 		antMsg := anthropicMessage{Role: m.Role}
 
+		// ── Foreign persona rewrite (v0.23.0) ──
+		// Anthropic doesn't support the "name" field on messages.
+		// Rewrite named assistant messages (from other personas) to user
+		// role with attribution so Anthropic maintains alternation and
+		// the model understands it's a multi-participant conversation.
+		if m.Role == "assistant" && m.Name != "" {
+			antMsg.Role = "user"
+			antMsg.Content = []anthropicContentBlock{
+				{Type: "text", Text: fmt.Sprintf("[%s responded:]\n%s", m.Name, m.Content)},
+			}
+			messages = append(messages, antMsg)
+			continue
+		}
+
 		if m.Role == "assistant" && len(m.ToolCalls) > 0 {
 			// Assistant with tool calls → mixed content blocks
 			if m.Content != "" {
@@ -372,7 +386,7 @@ func (p *AnthropicProvider) doRequest(ctx context.Context, cfg ProviderConfig, r
 		}
 	}
 
-	resp, err := http.DefaultClient.Do(httpReq)
+	resp, err := cfg.Client().Do(httpReq)
 	if err != nil {
 		return nil, fmt.Errorf("provider request: %w", err)
 	}