test: cover remote input_set git context and YAML shape edge cases

[cursor]

Description

Adds regression tests for recently merged input-set git-context fixes (#579, #575) that had execute-path coverage but no registry or harness_get contract tests.

Risky behavior now covered

• Silent wrong-branch input set resolution — harness_get(resource_type='input_set') and registry input_set GET must forward branch, repo_name, connector_ref, and store_type; omitting branch causes Harness to resolve from the default branch with no error.
• Combined execute path — harness_execute with input_set_ids + full pipeline YAML inputs + remote git params must still forward git context on the input-set GET before merging.
• YAML shape tolerance — materializeInputSetsToRuntimeYaml accepts input-set YAML where the pipeline fragment is at the document root (not wrapped in inputSet).

Test files added/updated

• tests/registry/registry.test.ts — registry dispatch contract for input_set get git query params
• tests/tools/tool-handlers.test.ts — harness_get and harness_execute end-to-end forwarding
• tests/utils/materialize-input-sets.test.ts — root-level pipeline YAML parsing

Why these tests materially reduce regression risk

The #579 bug silently applied wrong input values (or none) for remote/Git-stored input sets. Production code was fixed and partially tested via harness_execute, but the parallel harness_get path and registry dispatch layer had no assertions. These tests lock the full contract so a future refactor cannot drop git params from either entry point.

Type of Change

• Bug fix
• New feature
• Refactor
• Documentation
• Other — test coverage

Checklist

• pnpm test passes (280 tests in touched files)
• pnpm typecheck passes
• pnpm build passes
• pnpm standards:check passes
• pnpm docs:check passes

  

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✅ thisrohangupta
❌ cursoragent
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