usability: remove uv run from first-run and viewer command hints

[changliu2]

Reporter perspective

As a first-time user, I followed the README install path (python -m venv + python -m pip install -e ".[otel,langgraph]"). After that flow, user-facing hints should be runnable as assert-eval .... Instead, several places tell me to run uv run assert-eval ..., even though uv was not required by onboarding.

Evidence

Confirmed by the usability sweep:

• assert_eval/runner.py:962 prints the completion hint:

  log.info(f"  uv run assert-eval results status {suite_id} {run_id}")

• examples/travel_planner_langgraph/agent.py:12 documents:

  uv run assert-eval run --config examples/travel_planner_langgraph/eval_config.yaml
  

• examples/phoenix_auto_trace/travel_langgraph.py:10 has the same uv run assert-eval run ... usage hint.
• viewer/src/routes/suite/[suite_id]/[run_id]/+page.svelte:917 shows:

  uv run assert-eval run --config <config>
  

• viewer/src/lib/server/artifacts.ts:244 tells users to rebuild with:

  uv run assert-eval run --config ${configPath} --resume --force-stage judge
  

• examples/agents/openclaw/README.md:12 also uses uv run assert-eval ... in a user-facing example.

uv run in contributor/dev-only docs may be fine, but these locations are visible to users following the pip install path.

Recommended fix

• Change first-run and viewer hints to bare assert-eval ....
• If a dev-only flow truly requires uv, label it explicitly as a contributor/developer path.
• For viewer rebuild hints, prefer:

  assert-eval run --config <config> --resume --force-stage judge
  

Slice rollups

Found by slice 4 and confirmed by slice 5:

• C:\Users\changliu2\.copilot\session-state\3714f9ab-3680-4990-a750-a80c932203f2\files\usability-slice-4-rollup.md
• C:\Users\changliu2\.copilot\session-state\3714f9ab-3680-4990-a750-a80c932203f2\files\usability-slice-5-rollup.md

[github-actions]

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