[petercorke]

Part of #23. The last of its checklist, with #87 (the __repr__) and #88 (the B101 asserts).

What

• Delete posegraph.py from the repository root. It is a 2020 prototype that nothing references: it imports the deprecated UVertex, map() is a pass stub, it has debug prints, and it uses itertools.pairwise (Python 3.10) in a package that supports 3.9. The Robotics Toolbox has the real PoseGraph, and this stays in git history.

• examples/create_json.py: info.pop('dgoal', None) instead of a try/bare except/pass around a del.

• Pin the two remaining third-party Actions to commit SHAs, with the version in a comment, as RTB did in ci: pin third-party GitHub Actions to commit SHAs robotics-toolbox-python#892 (see rvc-ecosystem#24):

  • codecov/codecov-action v7.1.1 = 303a32d7a59b442fa8d48b6a1cc6825c09c847a5
  • dependabot/fetch-metadata v3.1.0 = 25dd0e34f4fe68f24cc83900b1fe3fe149efef98

  I resolved both through the GitHub API (annotated tags followed to their commit). They are the commits the floating @v7 and @v3 tags point to today, so what runs does not change. GitHub's own actions/* stay on tags, as in RTB, and pypa/gh-action-pypi-publish was already pinned. Dependabot updates a pinned SHA together with its comment.

• Ignore build/ as well as docs/build and dist/.

Checking

pytest tests: 772 passed. Both workflow files still parse as YAML. The Codecov step in ci.yml and the Dependabot workflow are only exercised by CI itself, so this PR's checks are the real test of the ci.yml pin.

🤖 Generated with Claude Code

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

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🟢 Metrics 0 complexity · 0 duplication

Metric	Results
Complexity	0
Duplication	0

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.05%. Comparing base (bffb7be) to head (0cf0dd0).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #89   +/-   ##
=======================================
  Coverage   98.05%   98.05%           
=======================================
  Files           4        4           
  Lines        1590     1590           
=======================================
  Hits         1559     1559           
  Misses         31       31           

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