fix(tutorials): install dev extras when running tutorial pytest

[declan-scale]

Summary

• Tutorial CI has been red on every job since 2026-05-29 with error: Failed to spawn: pytest / No such file or directory.
• Root cause: chore(deps): drop unused runtime deps and exclude tests from wheel #367 dropped pytest/pytest-asyncio from agentex-sdk's runtime deps. Tutorials used to get pytest transitively via agentex-sdk; now pytest lives only in each tutorial's [project.optional-dependencies] dev, and run_agent_test.sh invoked uv run pytest without --extra dev, so uv never installed it.
• Fix: pass --extra dev to both uv run invocations in examples/tutorials/run_agent_test.sh so the tutorial's dev extras get synced before pytest is spawned.

Last green tutorial-test run on main: 26472427908 (2026-05-26, immediately before #367). First red run: 26617979690 (2026-05-29).

Test plan

• CI tutorial-test matrix turns green on this PR.

Greptile Summary

Fixes broken tutorial CI by adding --extra dev to both uv run invocations in run_agent_test.sh, ensuring the tutorial's dev dependencies (pytest, pytest-asyncio) are installed before pytest is spawned.

• Both the standard code path (uv run --extra dev pytest) and the wheel-override path (uv run --extra dev --with <wheel> pytest) are updated consistently, so neither branch is left without dev extras.

Confidence Score: 5/5

Safe to merge — the change is a minimal, targeted fix to a CI script with no impact on production code.

Both uv run invocations are updated consistently. The fix directly maps to the stated root cause, and the standard and wheel-override paths are treated identically. No production code is touched.

No files require special attention.

Important Files Changed

Filename	Overview
examples/tutorials/run_agent_test.sh	Adds --extra dev to both uv run invocations so tutorial dev-dependencies (pytest, pytest-asyncio) are installed before running tests; correctly applied to both the standard and wheel-override code paths.

Sequence Diagram

sequenceDiagram
    participant CI as CI Runner
    participant Script as run_agent_test.sh
    participant uv as uv (package manager)
    participant pytest as pytest

    CI->>Script: run_test(tutorial_path)
    Script->>Script: build pytest_cmd with --extra dev
    Script->>uv: uv run --extra dev pytest tests/test_agent.py
    uv->>uv: sync [project.optional-dependencies] dev
    Note over uv: installs pytest, pytest-asyncio
    uv->>pytest: spawn pytest
    pytest-->>Script: exit_code
    Script-->>CI: pass / fail

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[declan-scale]

Closing since #379 fixed it