Fix backup import for Jetpack, Local, Wpress and Studio formats

[bcotrim]

Related issues

• Fixes STU-1217

Proposed Changes

• Fix PHP version type conversion in CLI: yargs-parser converts --php-version 8.3 from string to number, causing Zod validation to fail silently. Now explicitly converts back to string.
• Fix SQL file path for standalone PHP-WASM: The sqlite import command needs an absolute path /wordpress/<file> because standalone PHP-WASM mounts the site at /wordpress but doesn't set the working directory there.

Testing Instructions

1. Create a new site in Studio
2. Export a backup from the site
3. Create another new site
4. Import the backup using "Import" option
5. Verify the import completes successfully without "Database import failed" error
6. Test with different backup formats: Jetpack, Local, Wpress, Studio backups

Pre-merge Checklist

• Have you checked for TypeScript, React or other console errors?

[wpmobilebot]

📊 Performance Test Results

Comparing 3e1e771 vs trunk

site-editor

Metric	trunk	3e1e771	Diff	Change
load	2930.00 ms	2930.00 ms	0.00 ms	⚪ 0.0%

site-startup

Metric	trunk	3e1e771	Diff	Change
siteCreation	8106.00 ms	8092.00 ms	-14.00 ms	🟢 -0.2%
siteStartup	3936.00 ms	3939.00 ms	+3.00 ms	🔴 0.1%

---

Results are median values from multiple test runs.

Legend: 🟢 Improvement (faster) | 🔴 Regression (slower) | ⚪ No change

[fredrikekelund]

Good catch! This works great 👍

[fredrikekelund]

		const parsedWpCliArgs = yargsParser( wpCliArgv, {
			string: [ 'php-version' ],
		} );

		if ( parsedWpCliArgs._[ 0 ] === 'shell' ) {
			throw new LoggerError(
				__(
					'Studio CLI does not support the WP-CLI `shell` command. Consider adding your code to a file and using the `eval` command.'
				)
			);
		}

		const phpVersion = parsedWpCliArgs[ 'php-version' ];

Unfortunately, yargs-parser doesn't properly type parsedWpCliArgs[ 'php-version' ] if we do this, so I still prefer your solution.

I wanted to mention the possibility of configuring yargs-parser, though, since it fixes the underlying issue of --php-version being parsed by yargs as a number.

[katinthehatsite]

The changes look good to me, I was able to import .wpress, Studio and Jetpack files. I got this warning with .wpress but I don't think it is related to this PR:

Warning during replacing URLs (https:\/\/mxhtestpremium3.wpcomstaging.com): Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /wordpress/wp-content/mu-plugins/sqlite-database-integration/wp-includes/sqlite/class-wp-sqlite-pdo-user-defined-functions.php on line 511

I also noticed something strange with the database export for older sites where it was failing so asked on Slack: p1768898334187009/1768816016.045449-slack-C06DRMD6VPZ but again it is not related to this PR 👍

[wojtekn]

Thanks for the fix. The code change looks reasonable.