feat: redesign issue processing to planning and question board with WIP PR workflow (#3)

Co-authored-by: Michael <michael@example.com>
Reviewed-on: #3

gitea/tools/gitea_tools.py

@@ -86,6 +86,18 @@ class GiteaTools:
         """Create a new pull request. Args: owner, repo, head (source branch), base (target branch), title, description."""
         return self.pr_tools.create_pull_request(owner, repo, head, base, title, description)
 
+    def update_pull_request(
+        self,
+        owner: str,
+        repo: str,
+        pull_number: int,
+        title: str | None = None,
+        body: str | None = None,
+        state: str | None = None,
+    ) -> str:
+        """Update an existing pull request. Args: owner, repo, pull_number, title (optional), body (optional), state (optional)."""
+        return self.pr_tools.update_pull_request(owner, repo, pull_number, title, body, state)
+
     def create_issue(self, owner: str, repo: str, title: str, body: str, labels: list[str] | None = None, assignees: list[str] | None = None) -> str:
         """Create a new issue. Args: owner, repo, title, body, labels (optional), assignees (optional)."""
         return self.issue_tools.create_issue(owner, repo, title, body, labels, assignees)