Add dataset, slurm_id, and FAILED status to models

Enhanced the models with new fields: a dataset field for Experiment Parameters and a slurm_id for Jobs. Introduced a FAILED status for the JobStatus enum. Updated functionality to handle datasets and trigger job creation based on dataset status.

backend/app/models.py

@@ -273,6 +273,7 @@ class ExperimentParameters(Base):
     id = Column(Integer, primary_key=True, index=True, autoincrement=True)
     run_number = Column(Integer, nullable=False)
     beamline_parameters = Column(JSON, nullable=True)
+    dataset = Column(JSON, nullable=True)
     sample_id = Column(Integer, ForeignKey("samples.id"), nullable=False)
 
 
@@ -311,6 +312,7 @@ class JobStatus(str, enum.Enum):
     TODO = "todo"
     SUBMITTED = "submitted"
     DONE = "done"
+    FAILED = "failed"
 
 
 class Jobs(Base):
@@ -323,3 +325,4 @@ class Jobs(Base):
     experiment_parameters = relationship(ExperimentParameters)
     created_at = Column(DateTime, server_default=func.now())
     updated_at = Column(DateTime, onupdate=func.now())
+    slurm_id = Column(Integer, nullable=True)