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feat(engine): embed nu-engine and nu-protocol with Run context injection #14

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opened 2026-09-09 10:15:31 +00:00 by larandar · 0 comments
larandar commented 2026-09-09 10:15:31 +00:00
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Proposal

Evaluate Nushell scripts in-process with injected workflow run context.

Design

Embed nu-engine and nu-protocol and expose serialized run context as $env.TING_RUN for every evaluation.

Tasks

  • Wire in-process evaluation; inject TING_RUN; propagate evaluation errors.

Gherkin Specification Delta

must.contracts.ting-workflows.deliverable-14

Scenario: Deliverable behavior

  • GIVEN the stated prerequisites and inputs
  • WHEN the feature is exercised
  • THEN a script reading $env.TING_RUN, when evaluated, then it observes the supplied context without an external shell.
## Proposal Evaluate Nushell scripts in-process with injected workflow run context. ## Design Embed nu-engine and nu-protocol and expose serialized run context as $env.TING_RUN for every evaluation. ## Tasks - Wire in-process evaluation; inject TING_RUN; propagate evaluation errors. ## Gherkin Specification Delta ### must.contracts.ting-workflows.deliverable-14 **Scenario: Deliverable behavior** - **GIVEN** the stated prerequisites and inputs - **WHEN** the feature is exercised - **THEN** a script reading $env.TING_RUN, when evaluated, then it observes the supplied context without an external shell.
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Blocks
#2 Session: ting-workflow-executor — embedded Nushell, bwrap sandboxing, and OWS DSL 1.0
Ting/workflows
#15 feat(engine): link nu-cmd-lang and nu-command for stream combinators
Ting/workflows
#22 feat(engine): native wf workspace command
Ting/workflows
#23 feat(engine): native wf branch command
Ting/workflows
#24 feat(engine): native wf gate command
Ting/workflows
#25 feat(engine): native wf artifact command
Ting/workflows
#26 feat(workflows): dynamic wf <name> command registration from input.schema
Ting/workflows
Depends on
#11 feat(engine): Rust workspace crate scaffolding and base error types
Ting/workflows
Reference
Ting/workflows#14
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