Agentlink integration

Agentlink support is beta.

tokenjuice install agentlink inserts a marker-delimited instruction block into the current git/project root AGENTS.md. Agentlink uses one source instruction file and symlinks downstream tool instruction files to it, so tokenjuice writes to that source instead of trying to manage each generated link.

tokenjuice install agentlink
tokenjuice doctor agentlink
tokenjuice uninstall agentlink

By default, tokenjuice resolves the nearest git root before writing AGENTS.md. Set AGENTLINK_PROJECT_DIR=/path/to/workspace to override the target workspace explicitly.

The installed block tells agents that receive Agentlink-synced instructions to use tokenjuice wrap -- <command> for terminal commands likely to produce long output, and to use tokenjuice wrap --raw -- <command> only when raw bytes are required. Run agentlink sync after install or uninstall so Agentlink creates, repairs, or refreshes the downstream symlinks.

Existing AGENTS.md content is backed up before install and preserved outside the managed tokenjuice block. Uninstall removes only the tokenjuice block.

doctor agentlink reports ok when the AGENTS.md block exists, includes tokenjuice wrap guidance, includes the raw escape hatch, includes Agentlink sync guidance, and does not suggest the full-output escape hatch.

This integration is guidance-only. Agentlink handles instruction-file links; it does not intercept or replace terminal command output for the downstream tools.