feat(log): 落地统一日志底座与系统日志运维能力

backend/migrations/054_ops_system_logs.sql

@@ -0,0 +1,55 @@
+-- 054_ops_system_logs.sql
+-- 统一日志索引表与清理审计表
+
+CREATE TABLE IF NOT EXISTS ops_system_logs (
+  id BIGSERIAL PRIMARY KEY,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  level VARCHAR(16) NOT NULL,
+  component VARCHAR(128) NOT NULL DEFAULT '',
+  message TEXT NOT NULL,
+  request_id VARCHAR(128),
+  client_request_id VARCHAR(128),
+  user_id BIGINT,
+  account_id BIGINT,
+  platform VARCHAR(32),
+  model VARCHAR(128),
+  extra JSONB NOT NULL DEFAULT '{}'::jsonb
+);
+
+CREATE INDEX IF NOT EXISTS idx_ops_system_logs_created_at_id
+  ON ops_system_logs (created_at DESC, id DESC);
+
+CREATE INDEX IF NOT EXISTS idx_ops_system_logs_level_created_at
+  ON ops_system_logs (level, created_at DESC);
+
+CREATE INDEX IF NOT EXISTS idx_ops_system_logs_component_created_at
+  ON ops_system_logs (component, created_at DESC);
+
+CREATE INDEX IF NOT EXISTS idx_ops_system_logs_request_id
+  ON ops_system_logs (request_id);
+
+CREATE INDEX IF NOT EXISTS idx_ops_system_logs_client_request_id
+  ON ops_system_logs (client_request_id);
+
+CREATE INDEX IF NOT EXISTS idx_ops_system_logs_user_id_created_at
+  ON ops_system_logs (user_id, created_at DESC);
+
+CREATE INDEX IF NOT EXISTS idx_ops_system_logs_account_id_created_at
+  ON ops_system_logs (account_id, created_at DESC);
+
+CREATE INDEX IF NOT EXISTS idx_ops_system_logs_platform_model_created_at
+  ON ops_system_logs (platform, model, created_at DESC);
+
+CREATE INDEX IF NOT EXISTS idx_ops_system_logs_message_search
+  ON ops_system_logs USING GIN (to_tsvector('simple', COALESCE(message, '')));
+
+CREATE TABLE IF NOT EXISTS ops_system_log_cleanup_audits (
+  id BIGSERIAL PRIMARY KEY,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  operator_id BIGINT NOT NULL,
+  conditions JSONB NOT NULL DEFAULT '{}'::jsonb,
+  deleted_rows BIGINT NOT NULL DEFAULT 0
+);
+
+CREATE INDEX IF NOT EXISTS idx_ops_system_log_cleanup_audits_created_at
+  ON ops_system_log_cleanup_audits (created_at DESC, id DESC);