310 lines
12 KiB
Python
310 lines
12 KiB
Python
"""add AI decision feedback and workflow outcome ledger
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Revision ID: 20260714_0003
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Revises: 20260713_0002
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Create Date: 2026-07-14 10:30:00
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"""
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from collections.abc import Sequence
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import sqlalchemy as sa
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from alembic import op
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revision: str = "20260714_0003"
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down_revision: str | None = "20260713_0002"
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branch_labels: str | Sequence[str] | None = None
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depends_on: str | Sequence[str] | None = None
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def upgrade() -> None:
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# 为新账本的复合外键补充租户级唯一目标，阻止跨租户关联。
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op.create_unique_constraint(
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"uq_expense_cases_tenant_id",
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"expense_cases",
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["tenant_id", "id"],
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)
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op.create_unique_constraint(
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"uq_business_events_tenant_case_id",
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"business_events",
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["tenant_id", "expense_case_id", "id"],
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)
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op.create_table(
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"ai_decisions",
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sa.Column("id", sa.String(length=36), nullable=False),
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sa.Column("tenant_id", sa.String(length=64), nullable=False),
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sa.Column("expense_case_id", sa.String(length=36), nullable=False),
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sa.Column("business_event_id", sa.String(length=36), nullable=True),
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sa.Column("expense_claim_id", sa.String(length=36), nullable=False),
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sa.Column("agent_run_id", sa.String(length=120), nullable=True),
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sa.Column("correlation_id", sa.String(length=64), nullable=False),
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sa.Column("subject_type", sa.String(length=50), nullable=False),
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sa.Column("subject_id", sa.String(length=100), nullable=False),
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sa.Column("decision_type", sa.String(length=80), nullable=False),
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sa.Column("decision_source", sa.String(length=20), nullable=False),
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sa.Column("status", sa.String(length=20), nullable=False),
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sa.Column("automation_mode", sa.String(length=40), nullable=False),
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sa.Column("confidence", sa.Numeric(precision=5, scale=4), nullable=True),
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sa.Column("suggestion_json", sa.JSON(), nullable=False),
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sa.Column("evidence_json", sa.JSON(), nullable=False),
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sa.Column("version_json", sa.JSON(), nullable=False),
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sa.Column("schema_version", sa.Integer(), nullable=False),
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sa.Column(
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"training_eligible",
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sa.Boolean(),
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server_default=sa.false(),
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nullable=False,
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),
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sa.Column("idempotency_key", sa.String(length=120), nullable=False),
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sa.Column("content_fingerprint", sa.String(length=71), nullable=False),
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sa.Column(
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"created_at",
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sa.DateTime(timezone=True),
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server_default=sa.func.now(),
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nullable=False,
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),
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sa.CheckConstraint(
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"confidence IS NULL OR (confidence >= 0 AND confidence <= 1)",
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name="ck_ai_decisions_confidence",
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),
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sa.CheckConstraint(
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"status IN ('suggested', 'accepted', 'edited', 'rejected', "
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"'ignored', 'executed', 'rolled_back')",
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name="ck_ai_decisions_status",
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),
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sa.ForeignKeyConstraint(
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["tenant_id", "expense_case_id", "business_event_id"],
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[
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"business_events.tenant_id",
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"business_events.expense_case_id",
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"business_events.id",
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],
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name="fk_ai_decisions_tenant_event",
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ondelete="RESTRICT",
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),
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sa.ForeignKeyConstraint(
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["tenant_id", "expense_case_id"],
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["expense_cases.tenant_id", "expense_cases.id"],
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name="fk_ai_decisions_tenant_case",
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ondelete="RESTRICT",
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),
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sa.PrimaryKeyConstraint("id"),
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sa.UniqueConstraint("tenant_id", "id", name="uq_ai_decisions_tenant_id"),
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sa.UniqueConstraint(
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"tenant_id",
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"expense_case_id",
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"id",
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name="uq_ai_decisions_tenant_case_id",
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),
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sa.UniqueConstraint(
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"tenant_id",
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"idempotency_key",
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name="uq_ai_decisions_tenant_idempotency",
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),
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)
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op.create_index(
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"ix_ai_decisions_tenant_case_time",
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"ai_decisions",
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["tenant_id", "expense_case_id", "created_at"],
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)
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op.create_index(
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"ix_ai_decisions_tenant_subject",
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"ai_decisions",
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["tenant_id", "subject_type", "subject_id"],
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)
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op.create_index("ix_ai_decisions_expense_claim_id", "ai_decisions", ["expense_claim_id"])
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op.create_index("ix_ai_decisions_agent_run_id", "ai_decisions", ["agent_run_id"])
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op.create_index("ix_ai_decisions_correlation_id", "ai_decisions", ["correlation_id"])
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op.create_table(
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"ai_decision_feedback",
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sa.Column("id", sa.String(length=36), nullable=False),
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sa.Column("tenant_id", sa.String(length=64), nullable=False),
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sa.Column("decision_id", sa.String(length=36), nullable=False),
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sa.Column("expense_claim_id", sa.String(length=36), nullable=False),
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sa.Column("correlation_id", sa.String(length=64), nullable=False),
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sa.Column("feedback_type", sa.String(length=20), nullable=False),
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sa.Column("action_type", sa.String(length=30), nullable=False),
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sa.Column("actor_id", sa.String(length=120), nullable=False),
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sa.Column("actor_type", sa.String(length=30), nullable=False),
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sa.Column("evidence_source", sa.String(length=40), nullable=False),
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sa.Column("verification_status", sa.String(length=30), nullable=False),
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sa.Column(
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"training_eligible",
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sa.Boolean(),
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server_default=sa.false(),
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nullable=False,
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),
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sa.Column("final_value_json", sa.JSON(), nullable=False),
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sa.Column("changed_fields_json", sa.JSON(), nullable=False),
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sa.Column("idempotency_key", sa.String(length=120), nullable=False),
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sa.Column("content_fingerprint", sa.String(length=71), nullable=False),
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sa.Column(
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"created_at",
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sa.DateTime(timezone=True),
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server_default=sa.func.now(),
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nullable=False,
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),
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sa.CheckConstraint(
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"feedback_type IN ('accepted', 'edited', 'rejected', 'ignored')",
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name="ck_ai_decision_feedback_type",
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),
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sa.CheckConstraint(
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"verification_status IN ('client_observed', 'server_verified', "
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"'human_verified', 'invalidated')",
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name="ck_ai_decision_feedback_verification",
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),
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sa.CheckConstraint(
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"NOT training_eligible OR verification_status IN "
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"('server_verified', 'human_verified')",
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name="ck_ai_decision_feedback_training_eligibility",
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),
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sa.ForeignKeyConstraint(
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["tenant_id", "decision_id"],
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["ai_decisions.tenant_id", "ai_decisions.id"],
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name="fk_ai_decision_feedback_tenant_decision",
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ondelete="RESTRICT",
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),
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sa.PrimaryKeyConstraint("id"),
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sa.UniqueConstraint(
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"tenant_id",
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"idempotency_key",
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name="uq_ai_decision_feedback_tenant_idempotency",
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),
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)
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op.create_index(
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"ix_ai_decision_feedback_tenant_decision_time",
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"ai_decision_feedback",
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["tenant_id", "decision_id", "created_at"],
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)
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op.create_index(
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"ix_ai_decision_feedback_tenant_type_time",
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"ai_decision_feedback",
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["tenant_id", "feedback_type", "created_at"],
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)
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op.create_index(
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"ix_ai_decision_feedback_expense_claim_id",
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"ai_decision_feedback",
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["expense_claim_id"],
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)
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op.create_index(
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"ix_ai_decision_feedback_correlation_id",
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"ai_decision_feedback",
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["correlation_id"],
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)
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op.create_table(
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"workflow_outcomes",
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sa.Column("id", sa.String(length=36), nullable=False),
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sa.Column("tenant_id", sa.String(length=64), nullable=False),
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sa.Column("expense_case_id", sa.String(length=36), nullable=False),
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sa.Column("decision_id", sa.String(length=36), nullable=False),
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sa.Column("business_event_id", sa.String(length=36), nullable=True),
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sa.Column("expense_claim_id", sa.String(length=36), nullable=False),
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sa.Column("correlation_id", sa.String(length=64), nullable=False),
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sa.Column("outcome_type", sa.String(length=50), nullable=False),
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sa.Column("outcome_status", sa.String(length=20), nullable=False),
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sa.Column("actor_id", sa.String(length=120), nullable=False),
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sa.Column("actor_type", sa.String(length=30), nullable=False),
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sa.Column("result_json", sa.JSON(), nullable=False),
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sa.Column("idempotency_key", sa.String(length=120), nullable=False),
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sa.Column("content_fingerprint", sa.String(length=71), nullable=False),
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sa.Column(
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"effective_at",
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sa.DateTime(timezone=True),
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server_default=sa.func.now(),
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nullable=False,
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),
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sa.Column(
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"created_at",
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sa.DateTime(timezone=True),
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server_default=sa.func.now(),
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nullable=False,
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),
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sa.CheckConstraint(
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"outcome_status IN ('recorded', 'verified', 'reversed')",
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name="ck_workflow_outcomes_status",
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),
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sa.ForeignKeyConstraint(
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["tenant_id", "expense_case_id", "business_event_id"],
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[
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"business_events.tenant_id",
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"business_events.expense_case_id",
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"business_events.id",
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],
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name="fk_workflow_outcomes_tenant_event",
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ondelete="RESTRICT",
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),
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sa.ForeignKeyConstraint(
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["tenant_id", "expense_case_id", "decision_id"],
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[
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"ai_decisions.tenant_id",
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"ai_decisions.expense_case_id",
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"ai_decisions.id",
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],
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name="fk_workflow_outcomes_tenant_decision",
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ondelete="RESTRICT",
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),
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sa.ForeignKeyConstraint(
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["tenant_id", "expense_case_id"],
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["expense_cases.tenant_id", "expense_cases.id"],
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name="fk_workflow_outcomes_tenant_case",
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ondelete="RESTRICT",
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),
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sa.PrimaryKeyConstraint("id"),
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sa.UniqueConstraint(
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"tenant_id",
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"idempotency_key",
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name="uq_workflow_outcomes_tenant_idempotency",
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),
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)
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op.create_index(
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"ix_workflow_outcomes_tenant_case_time",
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"workflow_outcomes",
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["tenant_id", "expense_case_id", "effective_at"],
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)
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op.create_index(
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"ix_workflow_outcomes_tenant_type_time",
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"workflow_outcomes",
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["tenant_id", "outcome_type", "effective_at"],
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)
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op.create_index(
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"ix_workflow_outcomes_expense_claim_id",
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"workflow_outcomes",
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["expense_claim_id"],
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)
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op.create_index(
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"ix_workflow_outcomes_correlation_id",
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"workflow_outcomes",
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["correlation_id"],
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)
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def downgrade() -> None:
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op.drop_index("ix_workflow_outcomes_correlation_id", table_name="workflow_outcomes")
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op.drop_index("ix_workflow_outcomes_expense_claim_id", table_name="workflow_outcomes")
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op.drop_index("ix_workflow_outcomes_tenant_type_time", table_name="workflow_outcomes")
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op.drop_index("ix_workflow_outcomes_tenant_case_time", table_name="workflow_outcomes")
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op.drop_table("workflow_outcomes")
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op.drop_index("ix_ai_decision_feedback_correlation_id", table_name="ai_decision_feedback")
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op.drop_index("ix_ai_decision_feedback_expense_claim_id", table_name="ai_decision_feedback")
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op.drop_index("ix_ai_decision_feedback_tenant_type_time", table_name="ai_decision_feedback")
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op.drop_index("ix_ai_decision_feedback_tenant_decision_time", table_name="ai_decision_feedback")
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op.drop_table("ai_decision_feedback")
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op.drop_index("ix_ai_decisions_correlation_id", table_name="ai_decisions")
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op.drop_index("ix_ai_decisions_agent_run_id", table_name="ai_decisions")
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op.drop_index("ix_ai_decisions_expense_claim_id", table_name="ai_decisions")
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op.drop_index("ix_ai_decisions_tenant_subject", table_name="ai_decisions")
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op.drop_index("ix_ai_decisions_tenant_case_time", table_name="ai_decisions")
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op.drop_table("ai_decisions")
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op.drop_constraint(
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"uq_business_events_tenant_case_id",
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"business_events",
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type_="unique",
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)
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op.drop_constraint("uq_expense_cases_tenant_id", "expense_cases", type_="unique")
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