Merge step (c): converge to ce-* convention for agents and skills
Aligns local custom agents, skills, and modified shared agents with upstream's
flat ce-<name>.agent.md + ce-<skill>/ convention introduced in upstream v3.x.
Changes:
- Delete 9 upstream-renamed agents for locally-dropped agents (design/*, rails
reviewers, ankane-readme-writer, data-migration-expert, performance-oracle,
security-sentinel)
- Delete ce-dhh-rails-style skill (local dropped dhh-rails-style entirely)
- Move 5 custom agents to flat ce-<name>.agent.md paths:
* python-package-readme-writer, design-conformance-reviewer,
tiangolo-fastapi-reviewer, zip-agent-validator, lint
- Rename 12 custom skill directories with ce- prefix:
* john-voice, jira-ticket-writer, hugo-blog-publisher, weekly-shipped,
proof-push, ship-it, story-lens, sync-confluence, excalidraw-png-export,
python-package-writer, fastapi-style, upstream-merge
- Port local Python/FastAPI edits into upstream's flat ce-best-practices-
researcher.agent.md and ce-kieran-python-reviewer.agent.md
- Update frontmatter name: fields in all 17 renamed files to match new paths
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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