ai-agent-book 精选快照（<2MB 代码与文档，来自 github.com/bojieli/ai-agent-book）

chapter9/browser-use-rpa/learning_agent/__init__.py

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+"""
+Learning Agent for Browser-Use RPA
+
+A wrapper system that adds learning and experience-replay capabilities to browser-use.
+This agent can learn from successful task executions and replay learned workflows efficiently.
+"""
+
+from .knowledge_base import KnowledgeBase
+from .workflow import Workflow, WorkflowStep, StatePredicate, PredicateType, WorkflowStatus
+
+__all__ = [
+    'LearningAgent', 'KnowledgeBase', 'Workflow', 'WorkflowStep',
+    'StatePredicate', 'PredicateType', 'WorkflowStatus'
+]
+
+
+def __getattr__(name):
+    """Keep the data model usable in offline tests without browser-use."""
+    if name == 'LearningAgent':
+        from .agent import LearningAgent
+        return LearningAgent
+    raise AttributeError(name)