add: some user api and all api desc

desc/sql/order/order_state_log.sql

@@ -0,0 +1,15 @@
+CREATE TABLE order_state_logs (
+                                  id BIGINT PRIMARY KEY,
+                                  order_id BIGINT NOT NULL REFERENCES orders(id),
+                                  from_status VARCHAR(30),
+                                  to_status VARCHAR(30) NOT NULL,
+                                  action VARCHAR(50) NOT NULL,
+                                  actor_id BIGINT NOT NULL,
+                                  actor_role VARCHAR(20) NOT NULL,
+                                  metadata JSONB,
+                                  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX idx_state_logs_order ON order_state_logs(order_id, created_at);
+CREATE INDEX idx_state_logs_order_created ON order_state_logs(order_id, created_at DESC);
+CREATE INDEX idx_state_logs_actor ON order_state_logs(actor_id, created_at DESC);