LCORE-576: Add sentence-transformers dependency for llama-stack library mode

[matysek]

Description

LCORE-576: Add sentence-transformers dependency for llama-stack library mode

Type of change

• Refactor
• New feature
• Bug fix
• CVE fix
• Optimization
• Documentation Update
• Configuration Update
• Bump-up service version
• Bump-up dependent library
• Bump-up library or tool used for development (does not change the final image)
• CI configuration change
• Konflux configuration change
• Unit tests improvement
• Integration tests improvement
• End to end tests improvement

Related Tickets & Documents

• Related Issue #
• Closes #

Checklist before requesting a review

• I have performed a self-review of my code.
• PR has passed all pre-merge test jobs.
• If it is a core feature, I have added thorough tests.

Testing

• Please provide detailed steps to perform tests related to this code change.
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Summary by CodeRabbit

• Chores
  • Added sentence-transformers dependency (API inference).
  • Introduced new dependency category comments to improve organization (e.g., API post-training, Other).
  • Reordered several dependencies for clearer grouping; no version changes to unaffected packages.
  • No changes to public interfaces or runtime behavior expected.

[coderabbitai]

Walkthrough

Updated pyproject.toml to add a new dependency, adjust ordering of existing dependencies, and insert new category comments. No changes to exported/public APIs.

Changes

Cohort / File(s)	Summary
Dependency management pyproject.toml	- Added sentence-transformers>=5.0.0 under llslibdev with comment “API inference: inline::sentence-transformers”. - Inserted category comment before torch==2.7.1: “API post_training: inline::huggingface”. - Reordered: trl>=0.18.2 now precedes peft>=0.15.2; autoevals>=0.0.129 moved after peft under a new “Other” comment. - No version changes to existing deps aside from the new addition.

Sequence Diagram(s)

(omitted)

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Poem

A rabbit taps dependencies in neat rows,
Adds Transformers for sentences—on it goes.
Comments hop to label torch’s lane,
Peft and Trl swap spots again.
All tidy now in TOML’s glade—
I thump approval: changes made! 🐇✨

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[coderabbitai]

Actionable comments posted: 0

🧹 Nitpick comments (2)

pyproject.toml (2)

137-137: Reordering peft after trl is fine; consider adding accelerate for post-training flows

The reorder is harmless and arguably clearer grouped with TRL. Many TRL/PEFT workflows also expect accelerate; if you rely on trainer utilities, consider adding it to this group.

Proposed addition (if needed by your usage):

     "trl>=0.18.2",
     "peft>=0.15.2",
+    "accelerate>=0.33.0",

---

116-117: Add upper bound to sentence-transformers dependency

Quick compatibility check results:

• PyPI has v5.x (latest 5.1.0).
• sentence-transformers requires transformers>=4.41.0,<5.0.0 and torch>=1.11.0.
• Our specs (transformers>=4.34.0, torch==2.7.1) are compatible.

Please update pyproject.toml:

-    "sentence-transformers>=5.0.0",
+    "sentence-transformers>=5.0.0,<6",

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📥 Commits

Reviewing files that changed from the base of the PR and between c97daaf and fa2266d.

⛔ Files ignored due to path filters (1)

• uv.lock is excluded by !**/*.lock

📒 Files selected for processing (1)

• pyproject.toml (2 hunks)

🔇 Additional comments (2)

pyproject.toml (2)

134-134: Helpful category comment — consistent with existing taxonomy

The “API post_training: inline::huggingface” comment improves readability and aligns with other category tags. LGTM.

---

138-140: autoevals compatibility verified

autoevals>=0.0.129 declares requires_python >=3.8.0, which encompasses Python 3.12. No changes needed.

[tisnik]

LGTM