feat: implement Gitea notification polling and state persistence

gitea/client.py

@@ -1,7 +1,7 @@
 import httpx
 import json
 import base64
-from typing import Any
+from typing import Any, Optional
 from .config import GITEA_URL, GITEA_TOKEN
 from .models import (
     UserModel,
@@ -396,3 +396,36 @@ class GiteaClient(IssuesClient, PullRequestsClient, FilesClient, RefsClient, Rep
             if isinstance(data, list):
                 return [item.get("content", "") for item in data if item.get("type") == "file"]
             return base64.b64decode(data.get("content", "")).decode() if data.get("content") else ""
+
+    def list_unread_notifications(self, since: Optional[str] = None) -> list[dict[str, Any]]:
+        try:
+            with httpx.Client() as client:
+                url = f"{self.base_url}/api/v1/notifications?all=false"
+                if since:
+                    url += f"&since={since}"
+                response = client.get(url, headers=self.headers)
+                response.raise_for_status()
+                notifications: list[dict[str, Any]] = response.json()
+                
+                result: list[dict[str, Any]] = []
+                for n in notifications:
+                    repo_info = n.get("repository") or {}
+                    owner_info = repo_info.get("owner") or {}
+                    owner_login = owner_info.get("login", "")
+                    if owner_login == "meeks":
+                        result.append(n)
+                return result
+        except Exception as e:
+            print(f"Error listing unread notifications: {e}")
+            return []
+
+    def mark_notification_as_read(self, thread_id: int) -> bool:
+        try:
+            with httpx.Client() as client:
+                url = f"{self.base_url}/api/v1/notifications/threads/{thread_id}"
+                response = client.patch(url, headers=self.headers)
+                response.raise_for_status()
+                return True
+        except Exception as e:
+            print(f"Error marking notification thread {thread_id} as read: {e}")
+            return False