feat: add later marketing provider

keep/providers/later_provider/__init__.py

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+from .later_provider import LaterProvider

keep/providers/later_provider/later_provider.py

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+"""Later media library provider."""
+import dataclasses
+from typing import Dict, Any
+import pydantic
+import requests
+from keep.contextmanager.contextmanager import ContextManager
+from keep.exceptions.provider_exception import ProviderException
+from keep.providers.base.base_provider import BaseProvider
+from keep.providers.models.provider_config import ProviderConfig
+
+@pydantic.dataclasses.dataclass
+class LaterProviderAuthConfig:
+    api_key: str = dataclasses.field(
+        metadata={"required": True, "description": "Later API Key", "sensitive": True},
+        default=""
+    )
+
+class LaterProvider(BaseProvider):
+    PROVIDER_DISPLAY_NAME = "Later"
+    PROVIDER_CATEGORY = ["Marketing & Advertising"]
+    LATER_API = "https://api.getlater.com/v1"
+
+    def __init__(self, context_manager: ContextManager, provider_id: str, config: ProviderConfig):
+        super().__init__(context_manager, provider_id, config)
+
+    def validate_config(self):
+        self.authentication_config = LaterProviderAuthConfig(**self.config.authentication)
+
+    def dispose(self):
+        pass
+
+    def _notify(self, media_id: str = "", **kwargs: Dict[str, Any]):
+        if not media_id:
+            raise ProviderException("Media ID is required")
+
+        try:
+            response = requests.get(
+                f"{self.LATER_API}/media/{media_id}",
+                headers={"Authorization": f"Bearer {self.authentication_config.api_key}"},
+                timeout=30
+            )
+            response.raise_for_status()
+        except requests.exceptions.RequestException as e:
+            raise ProviderException(f"Later API error: {e}")
+
+        self.logger.info(f"Later media retrieved: {media_id}")
+        return {"status": "success", "media_id": media_id}