f

SYS/worker_manager.py

@@ -47,8 +47,8 @@ class Worker:
         self.details = ""
         self.error_message = ""
         self.result = "pending"
-        self._stdout_buffer = []
-        self._steps_buffer = []
+        self._stdout_buffer: list[str] = []
+        self._steps_buffer: list[str] = []
 
     def log_step(self, step_text: str) -> None:
         """Log a step for this worker.
@@ -108,18 +108,26 @@ class Worker:
             logger.error(f"Error getting steps for worker {self.id}: {e}")
             return ""
 
-    def update_progress(self, progress: str = "", details: str = "") -> None:
+    def update_progress(self, progress: float | str = 0.0, details: str = "") -> None:
         """Update worker progress.
 
         Args:
-            progress: Progress string (e.g., "50%")
+            progress: Progress value (float) or textual like "50%"; will be coerced to float
             details: Additional details
         """
-        self.progress = progress
+        self.progress = str(progress)
         self.details = details
         try:
             if self.manager:
-                self.manager.update_worker(self.id, progress, details)
+                # Normalize to a float value for the manager API (0-100)
+                try:
+                    if isinstance(progress, str) and progress.endswith('%'):
+                        progress_value = float(progress.rstrip('%'))
+                    else:
+                        progress_value = float(progress)
+                except Exception:
+                    progress_value = 0.0
+                self.manager.update_worker(self.id, progress_value, details)
         except Exception as e:
             logger.error(f"Error updating worker {self.id}: {e}")
 
@@ -165,7 +173,7 @@ class WorkerLoggingHandler(logging.StreamHandler):
         self.db = db
         self.manager = manager
         self.buffer_size = buffer_size
-        self.buffer = []
+        self.buffer: list[str] = []
         self._lock = Lock()
 
         # Set a format that includes timestamp and level
@@ -278,14 +286,6 @@ class WorkerManager:
         self._stdout_flush_bytes = 4096
         self._stdout_flush_interval = 0.75
 
-    def close(self) -> None:
-        """Close the database connection."""
-        if self.db:
-            try:
-                with self._db_lock:
-                    self.db.close()
-            except Exception:
-                pass
 
     def __enter__(self):
         """Context manager entry."""
@@ -478,7 +478,7 @@ class WorkerManager:
             True if update was successful
         """
         try:
-            kwargs = {}
+            kwargs: dict[str, Any] = {}
             if progress > 0:
                 kwargs["progress"] = progress
             if current_step: