fix(deps): move @huggingface/transformers to optionalDependencies

[efenocchi]

Summary

• Moves @huggingface/transformers from dependencies to optionalDependencies
• sharp (transitive dep via @huggingface/transformers) has no prebuilt binary for Node v26 on macOS and requires node-gyp to build from source, causing npm install -g @deeplake/hivemind to fail
• Embeddings are already opt-in (hivemind embeddings install) and the code already handles the package being absent gracefully — this aligns the package.json with runtime behavior

Test plan

• npm install -g @deeplake/hivemind succeeds on Node v26 macOS without node-gyp installed
• hivemind embeddings install still works and downloads @huggingface/transformers on demand
• Existing tests pass (no logic changed, only package.json metadata)

Summary by CodeRabbit

• Chores
  • Hugging Face Transformers library is now marked as an optional dependency, allowing for smaller installations for users who don't require this functionality.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: 519c977b-99e7-419b-9168-7d0ffdeeb831

📥 Commits

Reviewing files that changed from the base of the PR and between a83a1c6 and 1ef8acf.

📒 Files selected for processing (1)

• package.json

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📝 Walkthrough

Walkthrough

The pull request moves @huggingface/transformers from the main dependencies section to optionalDependencies in package.json, allowing the package to be installed on-demand rather than as a core requirement.

Changes

Dependency Management

Layer / File(s)	Summary
Move @huggingface/transformers to optional package.json	@huggingface/transformers is reclassified from a required dependency to an optional dependency, enabling flexible installation and reducing core dependency requirements.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~3 minutes

Poem

🐰 A dependency light as morning dew,
Now optional, a choice for you!
From required chains to freedom's call,
Transformers skip—or not at all!

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately and clearly summarizes the main change: moving @huggingface/transformers from dependencies to optionalDependencies.
Description check	✅ Passed	The description covers the summary, rationale, and test plan well; however, the Version Bump section is not addressed (no version number change indicated).
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feat/optional-embed-deps

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[github-actions]

Coverage Report

No src/*.ts files changed in this PR.

_{Generated for commit 7f61481.}