GRM-35: feat: fix 12 critical workflow gaps in release pipeline

Addresses all 12 critical gaps in the automated semantic versioning, tagging, and release workflow.

Closes GRM-35

src/gitea_runner_manager/api_clients.py

@@ -105,6 +105,14 @@ class GiteaClient:
                 return None
         return self.create_label(name, color, description)
 
+    def create_issue(self, title: str, body: str = "", labels: list[str] | None = None) -> dict[str, Any]:
+        """Create a new issue in the repository."""
+        payload: dict[str, Any] = {"title": title, "body": body}
+        if labels:
+            payload["labels"] = labels
+        r = self._request("POST", "/issues", json=payload)
+        return r.json()
+
     # -- pulls / releases --
 
     def get_pr_labels(self, pr_number: str | int) -> list[dict[str, Any]]:
@@ -136,6 +144,11 @@ class GiteaClient:
         r = self._request("GET", f"/pulls/{pr_number}/commits")
         return r.json()
 
+    def get_pr_reviews(self, pr_number: str | int) -> list[dict[str, Any]]:
+        """Fetch reviews posted on a pull request."""
+        r = self._request("GET", f"/pulls/{pr_number}/reviews")
+        return r.json()
+
     def create_review(
         self,
         pr_number: str | int,