feat: 建立可靠通知、吊销与跨实例状态

server-go/migrations/000004_notifications_outbox.down.sql

@@ -0,0 +1,2 @@
+DROP TABLE IF EXISTS notifications CASCADE;
+DROP TABLE IF EXISTS outbox_events CASCADE;

server-go/migrations/000004_notifications_outbox.up.sql

@@ -0,0 +1,47 @@
+CREATE TABLE IF NOT EXISTS outbox_events (
+    id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+    event_id varchar(128) NOT NULL,
+    event_type varchar(64) NOT NULL,
+    aggregate_type varchar(64),
+    aggregate_id varchar(128),
+    payload jsonb NOT NULL DEFAULT '{}'::jsonb,
+    status varchar(16) NOT NULL DEFAULT 'pending',
+    attempts integer NOT NULL DEFAULT 0,
+    max_attempts integer NOT NULL DEFAULT 5,
+    next_attempt_at timestamptz NOT NULL DEFAULT now(),
+    last_error text,
+    created_at timestamptz NOT NULL DEFAULT now(),
+    updated_at timestamptz NOT NULL DEFAULT now()
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS idx_outbox_events_event_id ON outbox_events (event_id);
+CREATE INDEX IF NOT EXISTS idx_outbox_events_status_next
+    ON outbox_events (status, next_attempt_at);
+
+CREATE TABLE IF NOT EXISTS notifications (
+    id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+    user_id uuid,
+    channel varchar(32) NOT NULL,
+    target varchar(128) NOT NULL,
+    title varchar(128) NOT NULL,
+    body text NOT NULL,
+    status varchar(16) NOT NULL DEFAULT 'pending',
+    attempts integer NOT NULL DEFAULT 0,
+    next_attempt_at timestamptz NOT NULL DEFAULT now(),
+    last_error text,
+    template_id varchar(128),
+    open_id varchar(128),
+    authorized boolean NOT NULL DEFAULT false,
+    provider_response jsonb,
+    data jsonb,
+    business_type varchar(64),
+    business_id varchar(128),
+    event_id varchar(128),
+    created_at timestamptz NOT NULL DEFAULT now(),
+    updated_at timestamptz NOT NULL DEFAULT now()
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS idx_notifications_event_id ON notifications (event_id);
+CREATE INDEX IF NOT EXISTS idx_notifications_user_created ON notifications (user_id, created_at);
+CREATE INDEX IF NOT EXISTS idx_notifications_status_next
+    ON notifications (status, next_attempt_at);