fix: install syntax is <plugin>@anipotts (github owner), not @claude-code-tips

[anipotts]

Summary

PR #91 documented the wrong install syntax. Claude Code registers a github-sourced marketplace under the github owner segment as the local identifier, not the marketplace.json `name` field. The `name` field is display metadata only.

So:

• `/plugin marketplace add anipotts/claude-code-tips` -> registers locally as `anipotts`
• `/plugin install cc@anipotts` -> works
• `/plugin install cc@claude-code-tips` -> "Marketplace not found"

What this fixes

Bulk swap `@claude-code-tips` -> `@anipotts` across:

• README.md (en) and the 5 translated READMEs
• plugins/cc/README.md, plugins/lore/README.md
• docs/tips/plugins.md
• root .claude-plugin/plugin.json description
• plugins/time/skills/time-calibrate/SKILL.md

CHANGELOG.md: new 2026-04-28c entry corrects the install syntax + recovery steps for users who hit the broken instructions. 2026-04-28b entry kept (per don't-rewrite-history) with a pointer to the correction.

marketplace.json `name` field intentionally left at `claude-code-tips` since it's metadata-only.

Recovery for users who tried PR #91's wrong syntax

/plugin marketplace remove anipotts
# in shell:
rm -rf ~/.claude/plugins/marketplaces/anipotts
# back in claude code:
/plugin marketplace add anipotts/claude-code-tips
/plugin install cc@anipotts
/plugin install lore@anipotts
/plugin install time@anipotts

Test plan

• `bun test plugins/cc/tests/` -> 35/35
• `claude plugin validate plugins/cc` -> ok
• `npx markdownlint-cli2` across changed files -> 0 errors
• grep for stray `@claude-code-tips\b` outside CHANGELOG history -> empty
• CI green

[github-actions]

quality gate: all checks passed

• ✅ PR description -- present
• ✅ version stamps -- all docs stamped
• ✅ hook conventions -- no shell scripts changed

---

automated check -- see CLAUDE.md for conventions.

[github-actions]

@claude @codex please review this pr per .github/AI_REVIEW_RUBRIC.md.

lanes:

• claude: prose, voice, api/contract shape, skill + hook + plugin surface correctness, tests for the public path.
• codex: bugs, security, type/shell correctness, dependency hygiene, ci config.

output one pr comment each in the exact shape from the rubric. if an app is not installed on this repo, the mention sits unanswered and ci stays green.

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