v1.20.0

Minor Changes

• 2f30e74: Add --skip-manifest flag and RESKILL_NO_MANIFEST env var to install command. When enabled, all skills.json and skills.lock writes are skipped during installation. Skill files are still installed normally to target agent directories. Intended for platform integration scenarios where the caller manages its own manifest.

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  为 install 命令新增 --skip-manifest 标志和 RESKILL_NO_MANIFEST 环境变量。启用后跳过所有 skills.json 和 skills.lock 写入，skill 文件仍正常安装到目标 agent 目录。用于平台集成场景，由调用方自行管理 skill 清单。

• 629bfb6: Unify -t shorthand to always mean --token across all commands. Previously, publish used -t for --tag and had no shorthand for --token. Now -t consistently maps to --token in all commands, and --tag is long-only.

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  统一 -t 短选项在所有命令中均表示 --token。此前 publish 命令中 -t 表示 --tag，--token 无短选项。现在 -t 在所有命令中一致映射到 --token，--tag 仅支持长选项。