feat: add darkMode and hideSelectors to Node.js and Python SDKs

sdk/python/src/snapapi/client.py

@@ -32,6 +32,8 @@ class ScreenshotOptions:
     device_scale: Optional[float] = None
     delay: Optional[int] = None
     wait_until: Optional[str] = None
+    dark_mode: Optional[bool] = None
+    hide_selectors: Optional[list] = None
 
     def to_dict(self) -> dict:
         """Convert to API request body (camelCase keys)."""
@@ -46,6 +48,8 @@ class ScreenshotOptions:
             "device_scale": "deviceScale",
             "delay": "delay",
             "wait_until": "waitUntil",
+            "dark_mode": "darkMode",
+            "hide_selectors": "hideSelectors",
         }
         return {
             mapping[k]: v
@@ -98,6 +102,8 @@ class SnapAPI:
         device_scale: Optional[float] = None,
         delay: Optional[int] = None,
         wait_until: Optional[str] = None,
+        dark_mode: Optional[bool] = None,
+        hide_selectors: Optional[list] = None,
         options: Optional[ScreenshotOptions] = None,
     ) -> bytes:
         """Capture a screenshot.
@@ -113,6 +119,8 @@ class SnapAPI:
             device_scale: Device pixel ratio (1-3).
             delay: Extra delay in ms (0-5000).
             wait_until: Load event (domcontentloaded, load, networkidle0, networkidle2).
+            dark_mode: Emulate dark mode (prefers-color-scheme: dark).
+            hide_selectors: CSS selectors to hide before capture (max 10, each max 200 chars).
             options: ScreenshotOptions object (alternative to keyword args).
 
         Returns:
@@ -141,6 +149,13 @@ class SnapAPI:
                 full_page=True,
                 device_scale=2,
             )
+
+            # Dark mode with hidden elements
+            dark_screenshot = snap.capture(
+                "https://example.com",
+                dark_mode=True,
+                hide_selectors=['.ads', '.popup', '.cookie-banner']
+            )
         """
         if options:
             body = options.to_dict()
@@ -160,6 +175,8 @@ class SnapAPI:
                 device_scale=device_scale,
                 delay=delay,
                 wait_until=wait_until,
+                dark_mode=dark_mode,
+                hide_selectors=hide_selectors,
             )
             body = opts.to_dict()