v1.5.0: IRM — инциденты, задачи, эскалации

- docs/IRM.md; Alembic 002: incidents, tasks, escalation_policies
- Модули incidents/tasks/escalations: API, UI, register_events(bus, pool)
- Авто-инцидент из alert.received; тесты test_irm_modules.py

Made-with: Cursor

alembic/versions/002_irm_core_tables.py

@@ -0,0 +1,72 @@
+"""irm core: incidents, tasks, escalation_policies
+
+Revision ID: 002_irm_core
+Revises: 001_initial
+Create Date: 2026-04-03
+
+"""
+
+from typing import Sequence, Union
+
+from alembic import op
+
+revision: str = "002_irm_core"
+down_revision: Union[str, None] = "001_initial"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.execute(
+        """
+        CREATE TABLE IF NOT EXISTS incidents (
+            id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+            title text NOT NULL,
+            status text NOT NULL DEFAULT 'open',
+            severity text NOT NULL DEFAULT 'warning',
+            source text NOT NULL DEFAULT 'grafana',
+            ingress_event_id uuid REFERENCES ingress_events (id) ON DELETE SET NULL,
+            created_at timestamptz NOT NULL DEFAULT now(),
+            updated_at timestamptz NOT NULL DEFAULT now()
+        );
+        """
+    )
+    op.execute(
+        """
+        CREATE INDEX IF NOT EXISTS incidents_created_at_idx
+        ON incidents (created_at DESC);
+        """
+    )
+    op.execute(
+        """
+        CREATE TABLE IF NOT EXISTS tasks (
+            id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+            incident_id uuid REFERENCES incidents (id) ON DELETE CASCADE,
+            title text NOT NULL,
+            status text NOT NULL DEFAULT 'open',
+            created_at timestamptz NOT NULL DEFAULT now()
+        );
+        """
+    )
+    op.execute(
+        """
+        CREATE INDEX IF NOT EXISTS tasks_incident_id_idx ON tasks (incident_id);
+        """
+    )
+    op.execute(
+        """
+        CREATE TABLE IF NOT EXISTS escalation_policies (
+            id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+            name text NOT NULL,
+            enabled boolean NOT NULL DEFAULT true,
+            steps jsonb NOT NULL DEFAULT '[]'::jsonb,
+            created_at timestamptz NOT NULL DEFAULT now()
+        );
+        """
+    )
+
+
+def downgrade() -> None:
+    op.execute("DROP TABLE IF EXISTS tasks;")
+    op.execute("DROP TABLE IF EXISTS incidents;")
+    op.execute("DROP TABLE IF EXISTS escalation_policies;")