Prevent Hot Aisle min reservation period error

Force delete every Hot Aisle instance to prevent
the deletion error if the minimum reservation
period is not met and prevent orphaned instances.

Author: jvstme

docs/docs/concepts/backends.md

@@ -891,6 +891,18 @@ projects:
     * **Owner role for the user** - Required for creating and managing SSH keys
     * **Operator role for the team** - Required for managing virtual machines within the team
 
+??? info "Pricing"
+    `dstack` shows the hourly price for Hot Aisle instances. Some instances also require an upfront payment for a minimum reservation period, which is usually a few hours. You will be charged for the full minimum period even if you stop the instance early.
+
+    See the Hot Aisle API for the minimum reservation period for each instance type:
+
+    <div class="termy">
+
+    ```shell
+    $ curl -H "Authorization: Token $API_KEY" https://admin.hotaisle.app/api/teams/$TEAM_HANDLE/virtual_machines/available/ | jq ".[] | {gpus: .Specs.gpus, MinimumReservationMinutes}"
+    ```
+
+    </div>
 
 ### CloudRift
 

src/dstack/_internal/core/backends/hotaisle/api_client.py

@@ -76,14 +76,25 @@ def get_vm_state(self, vm_name: str) -> str:
 
     def terminate_virtual_machine(self, vm_name: str) -> None:
         url = f"{API_URL}/teams/{self.team_handle}/virtual_machines/{vm_name}/"
-        response = self._make_request("DELETE", url)
+        response = self._make_request(
+            "DELETE",
+            url,
+            params={
+                "force": "true",  # delete even if min reservation time not met
+            },
+        )
         if response.status_code == 404:
             logger.debug("Hot Aisle virtual machine %s not found", vm_name)
             return
         response.raise_for_status()
 
     def _make_request(
-        self, method: str, url: str, json: Optional[Dict[str, Any]] = None, timeout: int = 30
+        self,
+        method: str,
+        url: str,
+        json: Optional[dict[str, Any]] = None,
+        params: Optional[dict[str, str]] = None,
+        timeout: int = 30,
     ) -> requests.Response:
         headers = {
             "accept": "application/json",
@@ -97,5 +108,6 @@ def _make_request(
             url=url,
             headers=headers,
             json=json,
+            params=params,
             timeout=timeout,
         )