fix: skip completed translation downloads

[bgub]

Summary

• skip enqueue/download work for translations already completed on the server
• reuse completed translation status through stage, poll, and download workflow steps
• preserve schema re-merge behavior for existing up-to-date outputs

Verification

• pnpm --filter gt typecheck
• pnpm --filter gt test -- --run packages/cli/src/api/tests/downloadFileBatch.test.ts packages/cli/src/workflows/tests/download.test.ts packages/cli/src/workflows/utils/tests/filterFilesForEnqueue.test.ts
• pnpm exec oxlint packages/cli/src/api/downloadFileBatch.ts packages/cli/src/workflows/download.ts packages/cli/src/workflows/stage.ts packages/cli/src/workflows/steps/DownloadStep.ts packages/cli/src/workflows/steps/PollJobsStep.ts packages/cli/src/workflows/utils/filterFilesForEnqueue.ts packages/cli/src/api/tests/downloadFileBatch.test.ts packages/cli/src/workflows/tests/download.test.ts
• pnpm exec oxfmt --check packages/cli/src/api/downloadFileBatch.ts packages/cli/src/workflows/download.ts packages/cli/src/workflows/stage.ts packages/cli/src/workflows/steps/DownloadStep.ts packages/cli/src/workflows/steps/PollJobsStep.ts packages/cli/src/workflows/utils/filterFilesForEnqueue.ts packages/cli/src/api/tests/downloadFileBatch.test.ts packages/cli/src/workflows/tests/download.test.ts

Greptile Summary

This PR skips redundant work for translations already completed on the server. The main changes are:

• Carries completed translation keys through staging, polling, and downloading.
• Avoids status and download requests when completion is already known.
• Re-merges cached schema outputs with current source content.
• Adds tests for cached downloads and partial-locale workflows.

Confidence Score: 5/5

This looks safe to merge.

• No blocking issues found in the changed code.

Important Files Changed

Filename	Overview
packages/cli/src/api/downloadFileBatch.ts	Moves the local cache check before the API request and preserves schema re-merge behavior.
packages/cli/src/workflows/steps/PollJobsStep.ts	Reuses completed translation keys while polling active jobs separately.
packages/cli/src/workflows/steps/DownloadStep.ts	Uses known readiness for downloads while retaining detailed checks for review-gated files.
packages/cli/src/workflows/utils/filterFilesForEnqueue.ts	Returns per-locale completion keys with the existing enqueue partition.
packages/cli/src/workflows/stage.ts	Propagates completed translation keys from staging into later workflow steps.
packages/cli/src/workflows/download.ts	Passes known completion state into polling and avoids a redundant readiness query.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
  A[Upload and set up sources] --> B[Query completed translations]
  B --> C[Enqueue incomplete translations]
  B --> D[Carry completed keys forward]
  C --> E[Poll active jobs]
  D --> E
  E --> F[Build completed file tracker]
  F --> G{Detailed review status needed?}
  G -- Yes --> H[Query translation status]
  G -- No --> I[Reuse known completion]
  H --> J[Resolve output paths]
  I --> J
  J --> K{Current output recorded locally?}
  K -- Yes --> L[Skip download and re-merge schema output]
  K -- No --> M[Download and write output]

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Context used:

• Rule used - Remove console.log statements and debug logging fr... (source)

Learned From
generaltranslation/gt-cloud#1266
generaltranslation/gt-cloud#1240

[bgub]

@greptileai