Add a special header when generating titles

Signed-off-by: David Gageot <david.gageot@docker.com>

Author: dgageot

pkg/model/provider/anthropic/client.go

@@ -121,6 +121,9 @@ func NewClient(ctx context.Context, cfg *latest.ModelConfig, env environment.Pro
 				httpclient.WithModel(cfg.Model),
 				httpclient.WithQuery(url.Query()),
 			}
+			if globalOptions.GeneratingTitle() {
+				httpOptions = append(httpOptions, httpclient.WithHeader("X-Cagent-GeneratingTitle", "1"))
+			}
 
 			client := anthropic.NewClient(
 				option.WithAuthToken(authToken),

pkg/model/provider/gemini/client.go

@@ -93,6 +93,9 @@ func NewClient(ctx context.Context, cfg *latest.ModelConfig, env environment.Pro
 				httpclient.WithModel(cfg.Model),
 				httpclient.WithQuery(url.Query()),
 			}
+			if globalOptions.GeneratingTitle() {
+				httpOptions = append(httpOptions, httpclient.WithHeader("X-Cagent-GeneratingTitle", "1"))
+			}
 
 			return genai.NewClient(ctx, &genai.ClientConfig{
 				APIKey:     authToken,

pkg/model/provider/openai/client.go

@@ -112,6 +112,9 @@ func NewClient(ctx context.Context, cfg *latest.ModelConfig, env environment.Pro
 				httpclient.WithModel(cfg.Model),
 				httpclient.WithQuery(url.Query()),
 			}
+			if globalOptions.GeneratingTitle() {
+				httpOptions = append(httpOptions, httpclient.WithHeader("X-Cagent-GeneratingTitle", "1"))
+			}
 
 			client := openai.NewClient(
 				option.WithAPIKey(authToken),