fix: Modify command to support variadic positional args

[laplace-anon]

Updated command registration to allow variadic positional arguments for subcommands.

Overview

wxt submit <subcommand> (e.g. wxt submit init) currently fails with:

CACError: Unused args: init at Command.checkUnusedArgs (node_modules/cac/dist/index.js:394:54) at CAC.runMatchedCommand (node_modules/cac/dist/index.js:619:11) at file:.../node_modules/wxt/dist/cli/index.mjs:11:11

Ref: #2286

createAliasedCommand registers the alias as cli.command(name) (no positional arg spec) and then forwards process.argv to the underlying CLI. .allowUnknownOptions() only relaxes flag checks, not positional args. This worked by accident on cac@6, but wxt's declared range ^6.7.14 || ^7.0.0 now resolves to cac@7.0.0, which added a strict checkUnusedArgs (cacjs/cac#135) that throws before the action ever runs.

The fix is one line: declare the alias as `${name} [...args]` so cac treats positional args as variadic and forwards them through.

Manual Testing

Before:

$ bun wxt submit init
CACError: Unused args: `init`

After:

$ pnpm wxt submit init
publish-extension/4.0.5
Usage: $ publish-extension init
...

Related Issue

This PR closes:

• wxt submit init not working #2286
• wxt submit init does not work #2129 (the wxt submit init failure that was previously misdiagnosed as a publish-browser-extension v3→v4 issue but reproduces cleanly with cac@7 + publish-browser-extension@4.0.4)

╰─>$ bun why publish-browser-extension
publish-browser-extension@4.0.5
  └─ wxt@0.20.25 (requires ^2.3.0 || ^3.0.2 || ^4.0.4)
     ├─ dev wxt-react-starter (requires ^0.20.25)
     ├─ peer @wxt-dev/auto-icons@1.1.1 (requires >=0.19.0)
     │  └─ dev wxt-react-starter (requires ^1.1.1)
     └─ peer @wxt-dev/module-react@1.2.2 (requires >=0.19.16)
        └─ dev wxt-react-starter (requires ^1.2.2)

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commit: c366ca2

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.73%. Comparing base (e75e534) to head (c366ca2).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2317   +/-   ##
=======================================
  Coverage   79.73%   79.73%           
=======================================
  Files         131      131           
  Lines        3804     3804           
  Branches      861      861           
=======================================
  Hits         3033     3033           
- Misses        686      687    +1     
+ Partials       85       84    -1     

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