Change default Joomla database name to joomla_db and add installation summary dialog

[Copilot]

• Change default database name from joomla to joomla_db in installer and tests
• Extract database name into a constant variable (JOOMLA_DB_NAME) to avoid future inconsistencies
• Move message dialog after wslview call so browser opens simultaneously with the dialog
• Revert dialog text back to "Opening Joomla installer in browser..."
• Fix || echo 0 pattern in tests that can produce "0 0" — use || true instead
• Fix tests to use mysql -N -B to avoid matching column headers
• Run shellcheck to validate all changes

Original prompt

at the end, the joomla installer shows the following message in console:

echo ""
echo "Joomla ${JOOMLA_VERSION} installation complete!"
echo "Database: joomla"
echo "Database User: joomla"
echo "Database Password: joomla"
echo ""
echo "Opening Joomla installer in browser..."

make this message also available using the message command as a message dialog

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[crramirez]

@copilot change the default database name in the whole script from joomla to joomla_db

[Copilot]

Pull request overview

Updates the Joomla installer in pengwin-setup to use a new default database name and to surface the post-installation summary in the dialog UI (in addition to console output), consistent with other installers.

Changes:

• Changed default Joomla database name from joomla to joomla_db in the installer SQL and summary output.
• Added a message --msgbox dialog showing the installation summary (DB info + next step).
• Updated Joomla install/uninstall tests to assert against the new database name.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 4 comments.

File	Description
pengwin-setup.d/joomla.sh	Uses joomla_db in SQL grants/output and adds a post-install summary msgbox.
tests/joomla.sh	Updates DB existence assertions to look for joomla_db.

[crramirez]

@copilot move the message below this line. the message must be on the screen at the same time the browser opens. also revert the message to "Opening Joomla installer in browser..."

[Copilot]

Done in 8cd7c0b. Moved the message dialog to after the wslview call so the browser opens first and the dialog appears simultaneously. Reverted the text back to "Opening Joomla installer in browser...".