fix: document and ci fix for py314 abi compatibility issue

[mckornfield]

Summary by CodeRabbit

• Documentation
  • Added Python 3.14-specific installation guidance across the README and setup/docs pages, including a temporary PYO3_USE_ABI3_FORWARD_COMPATIBILITY=1 pip install "nemo-platform[all]" workaround.
  • Updated the OSS support matrix with the same Python 3.14 note.
• Bug Fixes
  • Improved CLI messaging for missing all extra dependencies by adding the Python 3.14 workaround.
• Chores
  • Updated CI wheel smoke tests to apply the Python 3.14 compatibility setting during the install/test flow.

[mckornfield]

to answer @svvarom , there's no great way to set this for users, so I updated our docs pages about it

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

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📥 Commits

Reviewing files that changed from the base of the PR and between 826aa32 and e286d73.

⛔ Files ignored due to path filters (2)

• sdk/python/nemo-platform/src/nemo_platform/cli/commands/services/cli.py is excluded by !sdk/**
• sdk/python/nemo-platform/src/nemo_platform/cli/commands/setup.py is excluded by !sdk/**

📒 Files selected for processing (10)

• .github/workflows/ci.yaml
• README.md
• docs/cli/index.mdx
• docs/get-started/setup.mdx
• docs/requirements.mdx
• docs/support-matrix.mdx
• packages/nemo_platform/README.md
• packages/nemo_platform_ext/src/nemo_platform_ext/cli/commands/services/cli.py
• packages/nemo_platform_ext/src/nemo_platform_ext/cli/commands/setup.py
• packages/nemo_platform_plugin/src/nemo_platform_plugin/README.md

🚧 Files skipped from review as they are similar to previous changes (10)

• packages/nemo_platform_plugin/src/nemo_platform_plugin/README.md
• docs/get-started/setup.mdx
• docs/requirements.mdx
• packages/nemo_platform_ext/src/nemo_platform_ext/cli/commands/services/cli.py
• README.md
• packages/nemo_platform/README.md
• docs/cli/index.mdx
• packages/nemo_platform_ext/src/nemo_platform_ext/cli/commands/setup.py
• docs/support-matrix.mdx
• .github/workflows/ci.yaml

---

📝 Walkthrough

Walkthrough

Python 3.14 installation instructions, CLI dependency diagnostics, and wheel smoke tests now use the PyO3 ABI3 forward-compatibility setting required by the litellm Rust extension.

Changes

Python 3.14 compatibility

Layer / File(s)	Summary
Python 3.14 installation guidance README.md, docs/..., packages/*/README.md	Installation documentation adds the PYO3_USE_ABI3_FORWARD_COMPATIBILITY=1 workaround for nemo-platform[all].
CLI dependency error guidance packages/nemo_platform_ext/src/nemo_platform_ext/cli/commands/services/cli.py, packages/nemo_platform_ext/src/nemo_platform_ext/cli/commands/setup.py	Missing dependency messages now include the Python 3.14 installation command alongside the standard command.
Python 3.14 wheel validation .github/workflows/ci.yaml	The wheel smoke test sets the compatibility variable when running under Python 3.14.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title matches the main change: CI and documentation updates for Python 3.14 ABI compatibility.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch py314-abi-compat-issue/mck

---

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@docs/cli/index.mdx`:
- Around line 45-52: Update the Python 3.14 installation guidance in the
documentation to include the equivalent PYO3_USE_ABI3_FORWARD_COMPATIBILITY=1 uv
pip install command alongside the existing pip command. Use a tab set for the
pip and uv variants, preserving the same package specifier and workaround in
both.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

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• Create a new PR with the fixes

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Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

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Run ID: df349943-973c-426f-9d86-7e98d79b3b02

📥 Commits

Reviewing files that changed from the base of the PR and between 275c8cd and 826aa32.

📒 Files selected for processing (10)

• .github/workflows/ci.yaml
• README.md
• docs/cli/index.mdx
• docs/get-started/setup.mdx
• docs/requirements.mdx
• docs/support-matrix.mdx
• packages/nemo_platform/README.md
• packages/nemo_platform_ext/src/nemo_platform_ext/cli/commands/services/cli.py
• packages/nemo_platform_ext/src/nemo_platform_ext/cli/commands/setup.py
• packages/nemo_platform_plugin/src/nemo_platform_plugin/README.md

[github-actions]

🌿 Preview your docs: https://nvidia-preview-py314-abi-compat-issue-mck.docs.buildwithfern.com/nemo-platform

[github-actions]

Suite	Lines Covered	Line Rate	Branch Rate
Unit Tests	23845/31009	76.9%	61.7%
Integration Tests	13816/29658	46.6%	19.6%