[TASK] Add Client-Side Display Features for DeepSeek R1 Example

[zhanghb97]

Deliverables

• A PR that adds separate tokens/s metrics for prefilling and decoding in the current buddy-deepseek-r1-run.
• A PR that adds buddy-deepseek-r1-cli.

Task Description

Task 1: Compute and Display Tokens/s

• Implement the calculation of tokens-per-second.
• Display separate metrics for prefilling and decoding.

Task 2: Add a CLI Tool

• Add a tool that, when executed, does not print each token and its timestamp, but instead streams only the final generated text in real time.
• Use the llama.cpp CLI tool as a reference.

Timeline

• Coding phase: 2025.11.17 – 2025.11.18
• Code review: Begins on 2025.11.19

[zhanghb97]

Assignee: @sdh1014