feat: add ordered agent runtime
This commit is contained in:
hailin
212
backend/apps/agents/models.py
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212
backend/apps/agents/models.py
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import uuid
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from django.conf import settings
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from django.db import models
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from django.db.models import Q
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from apps.modelhub.models import ModelDeployment, ModelInvocation
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from apps.skills.models import SkillVersion
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class AgentDefinition(models.Model):
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code = models.SlugField(max_length=80, unique=True)
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name = models.CharField(max_length=120)
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description = models.TextField(blank=True)
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active_version = models.ForeignKey(
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"AgentVersion",
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null=True,
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blank=True,
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on_delete=models.SET_NULL,
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related_name="active_for_definitions",
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)
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created_by = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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null=True,
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blank=True,
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on_delete=models.SET_NULL,
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related_name="created_agents",
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)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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ordering = ["name"]
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class AgentVersion(models.Model):
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definition = models.ForeignKey(
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AgentDefinition,
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on_delete=models.CASCADE,
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related_name="versions",
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)
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version = models.PositiveIntegerField()
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status = models.CharField(max_length=24, default="draft")
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model_deployment = models.ForeignKey(
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ModelDeployment,
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on_delete=models.PROTECT,
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related_name="agent_versions",
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)
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system_prompt = models.TextField(blank=True)
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input_schema = models.JSONField(default=dict)
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example_input = models.JSONField(default=dict, blank=True)
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temperature_override = models.FloatField(null=True, blank=True)
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max_output_tokens_override = models.PositiveIntegerField(null=True, blank=True)
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created_by = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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null=True,
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blank=True,
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on_delete=models.SET_NULL,
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related_name="created_agent_versions",
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)
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published_by = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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null=True,
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blank=True,
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on_delete=models.SET_NULL,
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related_name="published_agent_versions",
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)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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published_at = models.DateTimeField(null=True, blank=True)
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class Meta:
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ordering = ["-version"]
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constraints = [
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models.UniqueConstraint(
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fields=["definition", "version"],
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name="unique_agent_version",
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),
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models.UniqueConstraint(
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fields=["definition"],
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condition=Q(status="draft"),
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name="unique_agent_draft",
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),
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]
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class AgentStepBinding(models.Model):
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agent_version = models.ForeignKey(
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AgentVersion,
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on_delete=models.CASCADE,
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related_name="steps",
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)
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code = models.SlugField(max_length=80)
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order = models.PositiveIntegerField()
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skill_version = models.ForeignKey(
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SkillVersion,
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on_delete=models.PROTECT,
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related_name="agent_bindings",
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)
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input_mapping = models.JSONField(default=dict)
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class Meta:
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ordering = ["order"]
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constraints = [
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models.UniqueConstraint(
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fields=["agent_version", "code"],
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name="unique_agent_step_code",
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),
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models.UniqueConstraint(
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fields=["agent_version", "order"],
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name="unique_agent_step_order",
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),
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]
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class AgentRun(models.Model):
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public_id = models.UUIDField(default=uuid.uuid4, unique=True, editable=False)
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definition = models.ForeignKey(
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AgentDefinition,
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on_delete=models.PROTECT,
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related_name="runs",
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)
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agent_version = models.ForeignKey(
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AgentVersion,
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on_delete=models.PROTECT,
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related_name="runs",
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)
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sandbox = models.BooleanField(default=False)
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status = models.CharField(max_length=24, default="queued")
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input_payload = models.JSONField(default=dict)
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final_output = models.JSONField(null=True, blank=True)
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config_snapshot = models.JSONField(default=dict)
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current_step = models.CharField(max_length=80, blank=True)
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total_steps = models.PositiveIntegerField(default=0)
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input_tokens = models.PositiveIntegerField(default=0)
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output_tokens = models.PositiveIntegerField(default=0)
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duration_ms = models.PositiveIntegerField(default=0)
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task_id = models.CharField(max_length=120, blank=True)
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cancellation_requested_at = models.DateTimeField(null=True, blank=True)
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error_code = models.CharField(max_length=80, blank=True)
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error_message = models.TextField(blank=True)
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created_by = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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null=True,
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blank=True,
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on_delete=models.SET_NULL,
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related_name="agent_runs",
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)
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created_at = models.DateTimeField(auto_now_add=True)
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started_at = models.DateTimeField(null=True, blank=True)
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finished_at = models.DateTimeField(null=True, blank=True)
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class Meta:
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ordering = ["-created_at"]
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indexes = [
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models.Index(fields=["status", "created_at"]),
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models.Index(fields=["definition", "created_at"]),
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]
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class AgentRunStep(models.Model):
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run = models.ForeignKey(AgentRun, on_delete=models.CASCADE, related_name="steps")
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code = models.CharField(max_length=80)
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name = models.CharField(max_length=120)
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order = models.PositiveIntegerField()
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skill_version = models.ForeignKey(
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SkillVersion,
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on_delete=models.PROTECT,
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related_name="run_steps",
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)
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status = models.CharField(max_length=24, default="queued")
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input_payload = models.JSONField(default=dict)
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output_payload = models.JSONField(null=True, blank=True)
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input_tokens = models.PositiveIntegerField(default=0)
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output_tokens = models.PositiveIntegerField(default=0)
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duration_ms = models.PositiveIntegerField(default=0)
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error_code = models.CharField(max_length=80, blank=True)
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error_message = models.TextField(blank=True)
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started_at = models.DateTimeField(null=True, blank=True)
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finished_at = models.DateTimeField(null=True, blank=True)
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class Meta:
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ordering = ["order"]
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constraints = [
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models.UniqueConstraint(fields=["run", "order"], name="unique_run_step_order")
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]
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class AgentRunAttempt(models.Model):
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step = models.ForeignKey(
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AgentRunStep,
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on_delete=models.CASCADE,
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related_name="attempts",
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)
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model_invocation = models.ForeignKey(
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ModelInvocation,
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null=True,
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blank=True,
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on_delete=models.SET_NULL,
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related_name="agent_attempts",
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)
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attempt_type = models.CharField(max_length=32, default="initial")
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status = models.CharField(max_length=24)
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raw_output = models.TextField(blank=True)
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validation_error = models.TextField(blank=True)
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input_tokens = models.PositiveIntegerField(default=0)
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output_tokens = models.PositiveIntegerField(default=0)
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duration_ms = models.PositiveIntegerField(default=0)
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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ordering = ["created_at"]
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