Prevent Hot Aisle min reservation period error (#3633)

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,
         )