backup worked

backend/src/models/task.py

@@ -0,0 +1,34 @@
+# [DEF:backend.src.models.task:Module]
+#
+# @SEMANTICS: database, task, record, sqlalchemy, sqlite
+# @PURPOSE:   Defines the database schema for task execution records.
+# @LAYER:     Domain
+# @RELATION:  DEPENDS_ON -> sqlalchemy
+#
+# @INVARIANT: All primary keys are UUID strings.
+
+# [SECTION: IMPORTS]
+from sqlalchemy import Column, String, DateTime, JSON, ForeignKey
+from sqlalchemy.sql import func
+from .mapping import Base
+import uuid
+# [/SECTION]
+
+# [DEF:TaskRecord:Class]
+# @PURPOSE: Represents a persistent record of a task execution.
+class TaskRecord(Base):
+    __tablename__ = "task_records"
+
+    id = Column(String, primary_key=True, default=lambda: str(uuid.uuid4()))
+    type = Column(String, nullable=False)  # e.g., "backup", "migration"
+    status = Column(String, nullable=False)  # Enum: "PENDING", "RUNNING", "SUCCESS", "FAILED"
+    environment_id = Column(String, ForeignKey("environments.id"), nullable=True)
+    started_at = Column(DateTime(timezone=True), nullable=True)
+    finished_at = Column(DateTime(timezone=True), nullable=True)
+    logs = Column(JSON, nullable=True)  # Store structured logs as JSON
+    error = Column(String, nullable=True)
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+    params = Column(JSON, nullable=True)
+# [/DEF:TaskRecord]
+
+# [/DEF:backend.src.models.task]