initial - add implementation for simple crowdsec app to list and delete non-CAPI decisions

app/crowdsec_api.py

@@ -0,0 +1,47 @@
+import httpx
+from typing import List, Dict
+import os
+
+API_URL = os.environ["CS_API_URL"]  # e.g http://127.0.0.1:8080/v1
+API_KEY = os.environ["CS_API_KEY"]  # cscli bouncers add <bouncer_name>
+MACHINE_ID = os.environ["CS_MACHINE_ID"]
+PASSWORD = os.environ["CS_MACHINE_PASSWORD"]
+
+
+async def list_decisions() -> List[Dict]:
+    """
+    Get all current decisions from CrowdSec API.
+    """
+    async with httpx.AsyncClient() as client:
+        resp = await client.get(
+            f"{API_URL}/decisions",
+            headers={
+                "X-Api-Key": API_KEY,
+                "Content-Type": "application/json",
+            },
+        )
+        resp.raise_for_status()
+        decisions = resp.json() or []
+    decisions = [d for d in decisions if d["origin"] != "CAPI"]
+    return decisions
+
+
+async def delete_decision(ip: str) -> None:
+    """
+    Delete a decision by IP.
+    """
+    async with httpx.AsyncClient() as client:
+        login = await client.post(
+            f"{API_URL}/watchers/login",
+            json={
+                "machine_id": MACHINE_ID,
+                "password": PASSWORD,
+            },
+            headers={"Content-Type": "application/json"},
+        )
+        response = login.json()
+        token = response["token"]
+        resp = await client.delete(
+            f"{API_URL}/decisions?ip={ip}", headers={"Authorization": f"Bearer {token}"}
+        )
+        resp.raise_for_status()