Fix blocklist-import bantime, unify filter bar, and improve config navigation

backend/app/services/config_service.py

@@ -368,8 +368,9 @@ async def update_jail_config(
         await _set("datepattern", update.date_pattern)
     if update.dns_mode is not None:
         await _set("usedns", update.dns_mode)
-    if update.backend is not None:
-        await _set("backend", update.backend)
+    # Fail2ban does not support changing the log monitoring backend at runtime.
+    # The configuration value is retained for read/display purposes but must not
+    # be applied via the socket API.
     if update.log_encoding is not None:
         await _set("logencoding", update.log_encoding)
     if update.prefregex is not None:

backend/app/services/history_service.py

@@ -16,7 +16,7 @@ from typing import Any
 import aiosqlite
 import structlog
 
-from app.models.ban import TIME_RANGE_SECONDS, TimeRange
+from app.models.ban import BLOCKLIST_JAIL, BanOrigin, TIME_RANGE_SECONDS, TimeRange
 from app.models.history import (
     HistoryBanItem,
     HistoryListResponse,
@@ -58,6 +58,7 @@ async def list_history(
     *,
     range_: TimeRange | None = None,
     jail: str | None = None,
+    origin: BanOrigin | None = None,
     ip_filter: str | None = None,
     page: int = 1,
     page_size: int = _DEFAULT_PAGE_SIZE,
@@ -73,6 +74,8 @@ async def list_history(
         socket_path: Path to the fail2ban Unix domain socket.
         range_: Time-range preset.  ``None`` means all-time (no time filter).
         jail: If given, restrict results to bans from this jail.
+        origin: Optional origin filter — ``"blocklist"`` restricts results to
+            the ``blocklist-import`` jail, ``"selfblock"`` excludes it.
         ip_filter: If given, restrict results to bans for this exact IP
             (or a prefix — the query uses ``LIKE ip_filter%``).
         page: 1-based page number (default: ``1``).
@@ -99,6 +102,14 @@ async def list_history(
         wheres.append("jail = ?")
         params.append(jail)
 
+    if origin is not None:
+        if origin == "blocklist":
+            wheres.append("jail = ?")
+            params.append(BLOCKLIST_JAIL)
+        elif origin == "selfblock":
+            wheres.append("jail != ?")
+            params.append(BLOCKLIST_JAIL)
+
     if ip_filter is not None:
         wheres.append("ip LIKE ?")
         params.append(f"{ip_filter}%")