Remove task import from jail_config_service and mark TASK-03 done

Docs/Tasks.md

@@ -87,7 +87,9 @@ Blocking I/O on the event loop is forbidden by the architecture's "Async Everyth
 
 ---
 
-### TASK-03 — Remove inverted dependency: service importing a task 🟠
+### TASK-03 — Remove inverted dependency: service importing a task ✅
+
+**Status:** Completed ✅
 
 **Where:**
 `backend/app/services/jail_config_service.py` — line 37:

backend/app/services/health_service.py

@@ -174,3 +174,5 @@ async def probe(socket_path: str, timeout: float = _SOCKET_TIMEOUT) -> ServerSta
     except ValueError as exc:
         log.error("fail2ban_probe_parse_error", error=str(exc))
         return ServerStatus(online=False)
+
+

backend/app/services/jail_config_service.py

@@ -34,7 +34,7 @@ from app.models.config import (
     JailValidationResult,
     RollbackResponse,
 )
-from app.tasks.health_check import run_probe
+from app.services import health_service
 from app.utils.async_utils import run_blocking
 from app.utils.fail2ban_client import Fail2BanClient
 from app.utils.runtime_state import (
@@ -61,6 +61,11 @@ _META_SECTIONS: frozenset[str] = frozenset({"INCLUDES", "DEFAULT"})
 # Seconds to wait between fail2ban liveness probes after a reload.
 _POST_RELOAD_PROBE_INTERVAL: float = 2.0
 
+
+async def run_probe(socket_path: str) -> "ServerStatus":
+    """Run a health probe against the fail2ban socket."""
+    return await health_service.probe(socket_path)
+
 # Maximum number of post-reload probe attempts (initial attempt + retries).
 _POST_RELOAD_MAX_ATTEMPTS: int = 4
 
@@ -292,7 +297,7 @@ async def activate_jail(
             activated_at=activation_time,
         )
 
-    await run_probe(app)
+    await run_probe(socket_path)
     return result
 
 
@@ -568,7 +573,7 @@ async def deactivate_jail(
     the current daemon state.
     """
     result = await _deactivate_jail(config_dir, socket_path, name)
-    await run_probe(app)
+    await run_probe(socket_path)
     return result