feat: add script generator, history manager, and workflow playback

cli_memory/history.py

@@ -0,0 +1,81 @@
+import logging
+from datetime import datetime, timedelta
+from typing import Optional, List, Dict, Any
+
+from .config import Config
+from .models import Command, Project, Workflow
+from .database import Database
+
+logger = logging.getLogger(__name__)
+
+
+class HistoryManager:
+    def __init__(self, config: Optional[Config] = None, db: Optional[Database] = None):
+        self.config = config or Config()
+        self.db = db or Database()
+
+    def get_recent_commands(
+        self, limit: int = 20, project_id: Optional[int] = None
+    ) -> List[Command]:
+        return self.db.get_commands(project_id=project_id, limit=limit)
+
+    def get_commands_by_time_range(
+        self,
+        start_time: datetime,
+        end_time: datetime,
+        project_id: Optional[int] = None,
+    ) -> List[Command]:
+        return self.db.search_commands(
+            "",
+            project_id=project_id,
+            start_time=start_time,
+            end_time=end_time,
+            limit=1000,
+        )
+
+    def get_statistics(self) -> Dict[str, Any]:
+        projects = self.db.get_all_projects()
+        workflows = self.db.get_all_workflows()
+        commands = self.db.get_commands(limit=10000)
+
+        return {
+            "total_projects": len(projects),
+            "total_workflows": len(workflows),
+            "total_commands": len(commands),
+            "recent_commands_24h": len(
+                [c for c in commands if c.timestamp >= datetime.utcnow() - timedelta(days=1)]
+            ),
+        }
+
+    def clear_history(
+        self, project_id: Optional[int] = None, before_date: Optional[datetime] = None
+    ) -> int:
+        if project_id:
+            self.db.delete_project(project_id)
+            return 1
+        logger.warning("Clearing all history is not implemented in demo")
+        return 0
+
+    def export_history(self, format: str = "json") -> str:
+        projects = self.db.get_all_projects()
+        workflows = self.db.get_all_workflows()
+        commands = self.db.get_commands(limit=10000)
+
+        data = {
+            "exported_at": datetime.utcnow().isoformat(),
+            "projects": [p.to_dict() for p in projects],
+            "workflows": [w.to_dict() for w in workflows],
+            "commands": [c.to_dict() for c in commands],
+        }
+
+        if format == "json":
+            import json
+            return json.dumps(data, indent=2, default=str)
+        elif format == "yaml":
+            import yaml
+            return yaml.dump(data, default_flow_style=False)
+
+        return str(data)
+
+    def close(self) -> None:
+        self.db.close()