ci: pre-push hook + check suite + 35-assertion integration tests + deploy smoke script + Gitea Actions workflow

.githooks/pre-push

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+# 防两类事故：改动没进版本库（pathspec 漏提交）+ 红了还推
+set -euo pipefail
+cd "$(git rev-parse --show-toplevel)"
+if [ -n "$(git status --porcelain)" ]; then
+  echo "✗ 工作区有未提交变更，push 已阻止（改动必须先进版本库）：" >&2
+  git status --porcelain >&2
+  exit 1
+fi
+node scripts/check.mjs
+node scripts/test-integration.mjs
+echo "✓ pre-push 检查全部通过"