argument-hint YAML values in 273 command files use bare brackets — Copilot CLI ≥1.0.65 silently rejects them (same fix as #147)

Summary

273 command files in this repo declare argument-hint using YAML flow-sequence (bare-bracket) syntax:

---
argument-hint: [feature-name] | --template | --interactive
---

YAML parses that value as an array (["feature-name"]), not a string. Downstream slash-command loaders that validate argument-hint as a string (notably GitHub Copilot CLI ≥ 1.0.65) silently reject the whole SKILL, so the slash command disappears from the CLI menu — the exact class of bug you fixed for documentation/create-architecture-documentation.md in #147.

The maintainer already accepted this fix pattern in #147; this Issue documents the remaining 272 files with the same shape.

Evidence

Reproduction is one grep in a fresh checkout:

$ rg -l '^argument-hint:\s*\[' | wc -l
273

$ rg -l '^argument-hint:\s*\[' | awk -F/ '{
    for (i = 1; i <= NF; i++) if ($i == "commands" && i < NF) { print $(i + 1); break }
  }' | sort | uniq -c | sort -rn
 107 google-workspace
  18 project-management
  14 testing
  14 team
  14 sync
  14 setup
  11 deployment
  10 simulation
  10 nextjs-vercel
   9 documentation
   8 performance
   8 database
   6 security
   5 game-development
   4 git-workflow
   4 automation
   3 utilities
   1 svelte
   1 git

(Plus 12 non-command markdown files, including cli-tool/docs_to_claude/COMMANDS_GUIDE.md which has 11 example snippets illustrating the vulnerable shape.)

None of the 273 use the more severe colon-inside-brackets variant (argument-hint: [foo: bar]) — that one parses as [{foo: "bar"}] and triggers the analogous Ink/React #31 hang in Claude Code TUI, tracked separately at anthropics/claude-code#22161. All 273 here are the bare-bracket form: parses as an array of strings, Claude Code renders it (concatenated), Copilot CLI ≥ 1.0.65 silently drops the skill.

Fix

Same one-character transform as your PR #147, applied to every remaining file:

- argument-hint: [feature-name] | --template | --interactive
+ argument-hint: "[feature-name] | --template | --interactive"

No value contains a " or \, so simple double-quote wrapping is safe (verified with rg '^argument-hint:\s*\[.*"' — zero hits).

Sources

• Your merged PR #147 — same fix, one file.
• anthropics/claude-code#22161 — the analogous, more severe TUI-hang variant when the bracket contains a colon.
• VS Code Agent Skills docs — argument-hint is documented as a string.
• Claude Code slash-command frontmatter reference — argument-hint example values [issue-number], [filename] [format] (rendered as strings; the docs implicitly expect the string form).
• Agent Skills base specification — does not define argument-hint; spec-conformant loaders ignore unknown fields, so the type change is inert for platforms outside Claude Code / Copilot CLI.

Impact

Users installing any of these 273 commands via npx claude-code-templates@latest --command <path> on Copilot CLI 1.0.65+ get the command silently dropped from their menu. On Claude Code the bare-bracket form currently renders (as concatenated strings) but is documented as "incorrectly typed" and would break if Claude Code adds the same string-validation as Copilot CLI did.

Happy to open the PR alongside this Issue — one commit, 273 files, purely mechanical single-line quote wrapping.