Fixed Issues with Log Management System

Data/Engine/services/API/__init__.py

@@ -120,6 +120,8 @@ _QUIET_SERVICE_LOGS = {"scheduled_jobs"}
 
 
 def _make_service_logger(base: Path, logger: logging.Logger) -> Callable[[str, str, Optional[str]], None]:
+    quiet_services = {name.strip().lower().replace("-", "_") for name in _QUIET_SERVICE_LOGS if name}
+
     def _log(service: str, msg: str, scope: Optional[str] = None, *, level: str = "INFO") -> None:
         level_upper = level.upper()
         service_key = (service or "").strip().lower()
@@ -134,12 +136,13 @@ def _make_service_logger(base: Path, logger: logging.Logger) -> Callable[[str, s
                 prefix_parts.append(f"[CONTEXT-{resolved_scope}]")
             prefix = "".join(prefix_parts)
             with path.open("a", encoding="utf-8") as handle:
-                handle.write(f"[{timestamp}] {prefix} {msg}\\n")
+                handle.write(f"[{timestamp}] {prefix} {msg}\n")
         except Exception:
             logger.debug("Failed to write service log entry", exc_info=True)
 
         numeric_level = getattr(logging, level_upper, logging.INFO)
-        if service_key not in _QUIET_SERVICE_LOGS:
+        suppress_engine_log = service_key in quiet_services or service_key.replace("-", "_") in quiet_services
+        if not suppress_engine_log:
             logger.log(numeric_level, "[service:%s] %s", service, msg)
 
     return _log

Data/Engine/services/API/server/log_management.py

@@ -203,6 +203,46 @@ class EngineLogManager:
                 files.append(entry)
         return files
 
+    def _truncate_active_log(self, path: Path) -> bool:
+        """Best-effort truncate for logs held open by logging handlers (Windows-safe)."""
+
+        resolved = path.resolve()
+        truncated = False
+        for logger_name in list(logging.root.manager.loggerDict.keys()) + [self.logger.name]:
+            try:
+                logger_obj = logging.getLogger(logger_name)
+            except Exception:
+                continue
+            handlers = list(getattr(logger_obj, "handlers", []))
+            for handler in handlers:
+                base = getattr(handler, "baseFilename", None)
+                if not base:
+                    continue
+                try:
+                    if Path(base).resolve() != resolved:
+                        continue
+                except Exception:
+                    continue
+                try:
+                    handler.acquire()
+                    stream = getattr(handler, "stream", None)
+                    if stream:
+                        stream.seek(0)
+                        stream.truncate()
+                        stream.flush()
+                    else:
+                        with resolved.open("w", encoding="utf-8"):
+                            pass
+                    truncated = True
+                except Exception:
+                    self.logger.debug("Failed to truncate active log file: %s", path, exc_info=True)
+                finally:
+                    try:
+                        handler.release()
+                    except Exception:
+                        pass
+        return truncated
+
     def apply_retention(self, retention: Mapping[str, int], default_days: int) -> List[str]:
         deleted: List[str] = []
         now = datetime.now(tz=timezone.utc)
@@ -306,7 +346,11 @@ class EngineLogManager:
 
     def delete_file(self, filename: str) -> str:
         path = self._resolve(filename)
-        path.unlink()
+        try:
+            path.unlink()
+        except PermissionError:
+            if not self._truncate_active_log(path):
+                raise
         return filename
 
     def delete_family(self, filename: str) -> List[str]:
@@ -320,6 +364,12 @@ class EngineLogManager:
                 entry.unlink()
             except FileNotFoundError:
                 continue
+            except PermissionError:
+                handled = self._truncate_active_log(entry)
+                if handled:
+                    deleted.append(entry.name)
+                else:
+                    self.logger.debug("Failed to delete family log file (in use): %s", entry, exc_info=True)
             except Exception:
                 self.logger.debug("Failed to delete family log file: %s", entry, exc_info=True)
             else:

Data/Engine/web-interface/src/Admin/Log_Management.jsx

@@ -322,7 +322,6 @@ const defaultColDef = useMemo(
         setLogs(Array.isArray(data?.logs) ? data.logs : logs);
         setEntries([]);
         setEntriesMeta(null);
-        setActionMessage("Log files deleted.");
         if (target) {
           sendNotification(`Log "${target}" Deleted Successfully`);
         }