Repair declarative pipeline environment propagation across discovery and worker execution.

Repair declarative pipeline environment propagation across discovery and worker execution.: a task in MiMo-V2.6-RL-harbor-terminal: MiMo-V2.6-RL Terminal (Harbor) (Harbor dataset). Repair the frozen datapackage-pipelines source tree under /app/vendor/datapackage-pipelines so a pipeline-level…