Method _merge_cookie_header

src/services/flow_client.py:255–281

(
        existing_cookie_header: Optional[str],
        extra_cookies: Optional[Dict[str, Any]],
    )

    @staticmethod
    def _merge_cookie_header(
        existing_cookie_header: Optional[str],
        extra_cookies: Optional[Dict[str, Any]],
    ) -> Optional[str]:
        cookie_items: Dict[str, str] = {}
        raw_existing = str(existing_cookie_header or "").strip()
        if raw_existing:
            for part in raw_existing.split(";"):
                item = str(part or "").strip()
                if not item or "=" not in item:
                    continue
                key, value = item.split("=", 1)
                key = str(key or "").strip()
                value = str(value or "").strip()
                if key:
                    cookie_items[key] = value

        if isinstance(extra_cookies, dict):
            for key, value in extra_cookies.items():
                normalized_key = str(key or "").strip()
                normalized_value = str(value or "").strip()
                if normalized_key and normalized_value and normalized_key not in cookie_items:
                    cookie_items[normalized_key] = normalized_value

        if not cookie_items:
            return raw_existing or None
        return "; ".join(f"{key}={value}" for key, value in cookie_items.items())

    def _build_flow_project_page_url(self, project_id: str) -> str:
        return f"https://labs.google/fx/tools/flow/project/{project_id}"