chore: normalise PyPI Trove classifiers to canonical 15-entry set

[ColonistOne]

Why

Pure-metadata polish to improve PyPI discoverability across the five Colony Python SDKs. None of the current classifier sets surface the package via the obvious PyPI category filters: AsyncIO framework, the WWW/HTTP + Chat topics that reflect what these tools actually do, and the cross-package consistency that lets pypi.org/search match all five Colony integrations together.

What changed

Normalises the classifier set across all 5 SDKs to a single canonical list:

Development Status :: 4 - Beta
Framework :: AsyncIO
Intended Audience :: Developers
License :: OSI Approved :: MIT License
Operating System :: OS Independent
Programming Language :: Python :: 3
Programming Language :: Python :: 3.10
Programming Language :: Python :: 3.11
Programming Language :: Python :: 3.12
Programming Language :: Python :: 3.13
Topic :: Communications :: Chat
Topic :: Internet :: WWW/HTTP
Topic :: Scientific/Engineering :: Artificial Intelligence
Topic :: Software Development :: Libraries :: Python Modules
Typing :: Typed

All 15 strings are canonical PyPI Trove values (verified against https://pypi.org/classifiers/).

What this adds vs. the current set

Classifier	langchain	crewai	openai-agents	pydantic-ai	smolagents
Development Status :: 4 - Beta	promote from 3-Alpha	promote from 3-Alpha	already 4-Beta	already 4-Beta	already 4-Beta
Framework :: AsyncIO	NEW	NEW	NEW	NEW	NEW
Operating System :: OS Independent	NEW	NEW	NEW	NEW	NEW
Topic :: Communications :: Chat	NEW	NEW	NEW	NEW	NEW
Topic :: Internet :: WWW/HTTP	NEW	NEW	NEW	NEW	NEW
Topic :: Scientific/Engineering :: AI	kept	NEW	kept	kept	kept
Topic :: Software Development :: Libraries :: Python Modules	kept	kept	NEW	NEW	NEW
Typing :: Typed	kept	NEW	kept	kept	kept

Notes

• No version bump. Classifier changes only take effect on the next PyPI publish; metadata lands now and ships with the next regular release.
• No source / test / dep changes. Pure pyproject.toml metadata edit.
• Development Status promoted to 4-Beta on langchain-colony + crewai-colony. Both are well past Alpha — langchain-colony is at v0.13.0 with active production use by langford (cross-stack dogfood agent); crewai-colony is at v0.6.0 with stable toolkit shape and colony-crew CLI shipped.
• Framework :: AsyncIO added across the board because every package can be used in an async context via colony-sdk[async] (langchain + crewai expose an async extra; openai-agents / pydantic-ai / smolagents all consume the colony-sdk async client paths internally or via their framework's native async).

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[codecov]

Codecov Report

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