Windows installer, Welcome page and the first Morph UI

Windows installer

• User and system installers plus a portable .zip, built by CI on every version tag and attached to GitHub Releases.
• Branded installer: CodeMorph license page, wizard artwork, and file names that carry CodeMorph's version number.
• The About dialog now describes CodeMorph only.
• Code signing is wired as an opt-in step, ready for a certificate.

Welcome first

• CodeMorph now always opens to its Welcome page, with Open Folder, Start Migration and recent projects, instead of jumping into a walkthrough.
• The getting-started walkthrough is available on demand, with a clickable tour thumbnail.
• Fixed a flash of the wrong theme at startup.
• Spacing, alignment and hover states tightened across the Welcome page.

Morph panel and title bar

• First version of the Morph panel in the secondary sidebar.
• The title bar gains the project name and branch, a plan pill and an avatar slot.
• A polish pass across panel gaps, corner radii and title bar controls.

Build reliability

• Pinned the Windows build to the VS 2022 toolchain and capped install concurrency to remove flaky CI failures.
• Fonts now bundle correctly in the desktop build.