合并最新 master 分支

带入 Gitea CI 依赖缓存镜像刷新（SpacetimeDB 2.7.0 锁）与 LLM 原文日志
并行测试污染修复。冲突仅 decision-log 双方条目并存；BgFilter 分支代码
零冲突，bgfilter 46 测试全过。

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

scripts/gitea-ci-job-image.sh

@@ -4,7 +4,7 @@ set -euo pipefail
 
 repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)"
 dockerfile_context_path="deploy/container/gitea-ci-job.Dockerfile"
-image_tag="${GENARRATIVE_GITEA_CI_IMAGE_TAG:-genarrative/gitea-project-ci:20260722.2}"
+image_tag="${GENARRATIVE_GITEA_CI_IMAGE_TAG:-genarrative/gitea-project-ci:20260723.1}"
 runner_container="${GENARRATIVE_GITEA_RUNNER_CONTAINER:-gitea-runner}"
 
 write_build_context_file_list() {