feat: update README and pyproject.toml to clarify browser dependency installation

README.md

@@ -53,7 +53,10 @@ Requires Python 3.10+.
 
 **Fragment cookies** — log in to [fragment.com](https://fragment.com) and connect your TON wallet. You can get cookies in two ways:
 
-- **Automatically** (recommended) — use `get_cookies_from_browser()`, which reads them directly from your browser's on-disk store. No extension needed:
+- **Automatically** (recommended) — install the optional browser extra and use `get_cookies_from_browser()`, which reads them directly from your browser's on-disk store. No extension needed:
+  ```bash
+  pip install "pyfragment[browser]"
+  ```
   ```python
   from pyfragment.utils import get_cookies_from_browser
   result = get_cookies_from_browser("chrome")  # or "firefox", "edge", "brave", ...

pyfragment/utils/cookies.py

@@ -3,8 +3,6 @@ from __future__ import annotations
 from datetime import datetime, timezone
 from typing import Any
 
-import rookiepy
-
 from pyfragment.types import CookieError
 from pyfragment.types import CookieResult as CookieResult
 from pyfragment.types.constants import FRAGMENT_BASE_URL, FRAGMENT_DOMAIN, REQUIRED_COOKIE_KEYS, SUPPORTED_BROWSERS
@@ -36,6 +34,8 @@ def get_cookies_from_browser(browser: str = "chrome") -> CookieResult:
         raise CookieError(CookieError.UNSUPPORTED_BROWSER.format(browser=browser, supported=supported))
 
     try:
+        import rookiepy
+
         jar: list[dict[str, Any]] = getattr(rookiepy, key)([FRAGMENT_DOMAIN])
     except Exception as exc:
         raise CookieError(CookieError.BROWSER_READ_FAILED.format(browser=browser, exc=exc, url=FRAGMENT_BASE_URL)) from exc

pyproject.toml

@@ -54,10 +54,11 @@ classifiers = [
     "Topic :: Office/Business :: Financial :: Investment",
     "Typing :: Typed",
 ]
-dependencies = ["httpx>=0.25", "rookiepy>=0.5.6", "tonutils>=2.0.1"]
+dependencies = ["httpx>=0.25", "tonutils>=2.0.1"]
 
 [project.optional-dependencies]
 dev = ["pytest", "pytest-asyncio", "pytest-mock", "mypy", "ruff"]
+browser = ["rookiepy>=0.5.6"]
 
 [project.urls]
 Homepage = "https://github.com/bohd4nx/pyfragment"