Initial vLLM agent strategy

app/scheduler/budget.py

@@ -0,0 +1,13 @@
+from app.storage.repositories import Repository
+
+
+class Budget:
+    def __init__(self, repo: Repository, max_tasks: int):
+        self.repo = repo
+        self.max_tasks = max_tasks
+
+    def remaining(self) -> int:
+        return max(0, self.max_tasks - self.repo.count_budgeted_tasks())
+
+    def can_create_task(self) -> bool:
+        return self.remaining() > 0