refactor, add modularity

app/entities/members.py

@@ -0,0 +1,41 @@
+import json
+from ..mcp import mcp
+from ..client import _get, _put
+
+
+@mcp.tool()
+def get_project_members(project_id: str) -> str:
+    """
+    Get members of a Redmine project (useful for finding user IDs for assignment).
+
+    Args:
+        project_id: Project ID or identifier (slug)
+    """
+    data = _get(f"/projects/{project_id}/memberships.json")
+    members = [
+        {
+            "id": m.get("user", {}).get("id"),
+            "name": m.get("user", {}).get("name"),
+            "roles": [r["name"] for r in m.get("roles", [])],
+        }
+        for m in data.get("memberships", [])
+        if "user" in m
+    ]
+    return json.dumps(members, ensure_ascii=False, indent=2)
+
+
+@mcp.tool()
+def assign_issue(issue_id: int, assigned_to_id: int, comment: str = "") -> str:
+    """
+    Assign a Redmine issue to a user.
+
+    Args:
+        issue_id:       Redmine issue ID
+        assigned_to_id: User ID to assign to (use get_project_members to find IDs)
+        comment:        Optional comment to add with the assignment
+    """
+    body: dict = {"issue": {"assigned_to_id": assigned_to_id}}
+    if comment:
+        body["issue"]["notes"] = comment
+    _put(f"/issues/{issue_id}.json", body)
+    return f"Issue #{issue_id} assigned to user_id={assigned_to_id}."