chore(deps): drop unused runtime deps and exclude tests from wheel

[max-parke-scale]

Summary

First of a planned set under AGX1-292. Zero-risk wins.

The published agentex-sdk wheel declares 44 required runtime deps. Audit found that 8 of them are imported nowhere in src/ and 2 more (pytest, pytest-asyncio) are only used by test files we accidentally ship inside the wheel.

Dropped (zero imports anywhere in src/agentex/**)

Dep	Notes
anthropic>=0.40.0	Transitively pulled by claude-agent-sdk if a consumer actually uses it.
datadog>=0.52.1	Likely confused with ddtrace (kept).
tornado>=6.5.5	Was a security pin transitively pulled by ipykernel; both unused.
ipykernel>=6.29.5
tzlocal>=5.3.1
tzdata>=2025.2	temporalio will pull what it needs.

Tests stop shipping in the wheel

hatchling's packages = ["src/agentex"] was including 24 test files (tests/, conftest.py, pytest.ini, test_*.py) under src/agentex/lib/. Those forced pytest + pytest-asyncio into the runtime metadata. Added an exclude to the wheel target so they stop shipping; dropped both deps.

The Jinja templates at lib/cli/templates/**/test_agent.py.j2 are intentionally preserved — those render into scaffolded user projects and don't end in .py.

mcp[cli] → mcp

The [cli] extra of mcp pulls typer/rich/pyperclip for the mcp dev CLI; the SDK only uses from mcp import StdioServerParameters.

Verification

python -m build --wheel
unzip -p dist/agentex_sdk-*.whl '*.dist-info/METADATA' | grep -c '^Requires-Dist'
# before: 47    after: 40 (37 required + 3 extras)

unzip -l dist/agentex_sdk-*.whl | grep -cE '(tests/|conftest|pytest\.ini|test_[^/]+\.py$)'
# before: 24    after: 0

unzip -l dist/agentex_sdk-*.whl | grep -c 'test_agent.py.j2'
# 10 (preserved — these are templates, not tests)

Test plan

• CI builds the wheel and Validate PR title passes.
• No Requires-Dist regression in the published wheel after release.
• Downstream agentex-server install (in scaleapi/scale-agentex) still resolves — the deps dropped here either weren't used or are transitively available via siblings (e.g. temporalio brings tz data).

Follow-ups (separate PRs)

• Move ADK/server-side deps to opt-in extras ([adk], [cli], [server], [temporal], [provider-*], [observability]).
• Lazify provider imports in src/agentex/lib/adk/__init__.py so the extras split is safe.

Both tracked in AGX1-292.

Greptile Summary

This maintenance PR removes 8 runtime dependencies that have zero imports anywhere in src/agentex/, downgrades mcp[cli] to mcp (since only StdioServerParameters is imported), and adds hatchling exclude rules to stop test infrastructure files from shipping inside the published wheel.

• All removed packages (tornado, ipykernel, tzlocal, tzdata, datadog, anthropic, pytest, pytest-asyncio) were confirmed to have no direct imports in src/agentex/** — grep returns zero matches for each.
• The four from mcp import StdioServerParameters call sites are all in the core mcp namespace, unaffected by dropping the [cli] extra.
• Wheel exclude patterns (lib/**/tests/**, lib/**/test_*.py, lib/**/conftest.py, lib/**/pytest.ini) correctly cover every test file currently present under src/agentex/lib/.

Confidence Score: 5/5

Safe to merge — all removed packages are confirmed unused in src/ and the wheel exclude patterns cover every test file in the current codebase.

Every dropped dependency was verified to have zero direct imports in src/agentex. The mcp[cli]→mcp narrowing is backed by four call sites that exclusively import StdioServerParameters from the core namespace. The wheel exclude globs match all test files present under src/agentex/lib/, and the Jinja templates are correctly left untouched.

No files require special attention. pyproject.toml is the only changed file and the edits are straightforward.

Important Files Changed

Filename	Overview
pyproject.toml	Drops 8 unused runtime dependencies, narrows mcp[cli] to mcp, and adds wheel exclude patterns to prevent test files shipping in the published package.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[agentex-sdk wheel] --> B[Runtime deps kept]
    A --> C[Deps removed]
    A --> D[Wheel build target]

    B --> B1[mcp - StdioServerParameters only]
    B --> B2[claude-agent-sdk - transitively pulls anthropic]
    B --> B3[temporalio - transitively pulls tzdata]
    B --> B4[ddtrace - replaced datadog]

    C --> C1[tornado - security pin, unused]
    C --> C2[ipykernel - unused]
    C --> C3[tzlocal / tzdata - transitive via temporalio]
    C --> C4[datadog - confused with ddtrace]
    C --> C5[anthropic - transitive via claude-agent-sdk]
    C --> C6[pytest / pytest-asyncio - test-only]

    D --> E[packages = src/agentex]
    D --> F[exclude patterns added]
    F --> F1[lib/**/tests/**]
    F --> F2[lib/**/test_*.py]
    F --> F3[lib/**/conftest.py]
    F --> F4[lib/**/pytest.ini]
    F --> G[Jinja templates test_agent.py.j2 preserved]

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