Update doc on using hf token for the first time

[amaslenn]

Summary

HF login might be required.

Test Plan

Manual review + check.

Additional Notes

—

[coderabbitai]

📝 Walkthrough

Walkthrough

The AI Dynamo workload documentation was updated to include an explicit authentication step. After setting the HF_TOKEN environment variable, users are now instructed to run uv run hf auth login to complete the authentication process.

Changes

Cohort / File(s)	Summary
Documentation Update doc/workloads/ai_dynamo.rst	Added explicit follow-up authentication instruction after HF_TOKEN setup (+1/-1 lines)

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 A token set, but not complete,
One more hop to make it neat!
Run auth login, the docs now say,
Authentication's just a hop away! ✨

🚥 Pre-merge checks | ✅ 2

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main change: adding documentation about using HF token for the first time, which aligns with the actual change of adding an authentication step after setting HF_TOKEN.
Description check	✅ Passed	The description is related to the changeset, noting that HF login might be required, which corresponds to the added documentation about the authentication step.

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[greptile-apps]

Greptile Summary

Added explicit instruction to run uv run hf auth login after setting the HF_TOKEN environment variable for HuggingFace authentication.

• Clarifies the authentication flow for first-time users
• Complements the existing HF_TOKEN recommendation with the necessary login command
• Aligns with the pattern documented in workloads_requirements_installation.rst

Confidence Score: 5/5

• This PR is safe to merge with no identified risks
• Documentation-only change that adds a helpful instruction for HuggingFace authentication. The command is consistent with existing documentation patterns in the repository, and there are no code changes that could introduce bugs or security issues.
• No files require special attention

Important Files Changed

Filename	Overview
doc/workloads/ai_dynamo.rst	Added instruction to run uv run hf auth login after setting HF_TOKEN for HuggingFace authentication

Sequence Diagram

sequenceDiagram
    participant User
    participant Shell
    participant HF_CLI as HuggingFace CLI
    participant HF_Hub as HuggingFace Hub
    participant CloudAI
    participant Dynamo

    User->>Shell: Set HF_TOKEN environment variable
    User->>Shell: uv run hf auth login
    Shell->>HF_CLI: Execute login command
    HF_CLI->>HF_CLI: Read token from environment
    HF_CLI->>HF_Hub: Authenticate with token
    HF_Hub-->>HF_CLI: Authentication successful
    HF_CLI->>HF_CLI: Store credentials locally
    HF_CLI-->>User: Login successful
    
    User->>Shell: uv run cloudai run
    Shell->>CloudAI: Start CloudAI
    CloudAI->>HF_Hub: Access models (authenticated)
    HF_Hub-->>CloudAI: Return model data
    CloudAI->>Dynamo: Launch Dynamo workload
    Dynamo->>HF_Hub: Access models (authenticated)
    HF_Hub-->>Dynamo: Return model data
    Dynamo-->>CloudAI: Workload execution results
    CloudAI-->>User: Job complete

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[alexmanle]

Good clarity, thanks!