Merge remote-tracking branch 'origin/main' into pr-104

# Conflicts:
#	config.example.yaml
#	internal/config/config.go
#	sdk/cliproxy/auth/model_name_mappings.go

internal/registry/model_registry.go

@@ -990,7 +990,8 @@ func (r *ModelRegistry) convertModelToMap(model *ModelInfo, handlerType string)
 		}
 		return result
 
-	case "claude":
+	case "claude", "kiro", "antigravity":
+		// Claude, Kiro, and Antigravity all use Claude-compatible format for Claude Code client
 		result := map[string]any{
 			"id":       model.ID,
 			"object":   "model",
@@ -1005,6 +1006,19 @@ func (r *ModelRegistry) convertModelToMap(model *ModelInfo, handlerType string)
 		if model.DisplayName != "" {
 			result["display_name"] = model.DisplayName
 		}
+		// Add thinking support for Claude Code client
+		// Claude Code checks for "thinking" field (simple boolean) to enable tab toggle
+		// Also add "extended_thinking" for detailed budget info
+		if model.Thinking != nil {
+			result["thinking"] = true
+			result["extended_thinking"] = map[string]any{
+				"supported":       true,
+				"min":             model.Thinking.Min,
+				"max":             model.Thinking.Max,
+				"zero_allowed":    model.Thinking.ZeroAllowed,
+				"dynamic_allowed": model.Thinking.DynamicAllowed,
+			}
+		}
 		return result
 
 	case "gemini":