MaxFastBuild v0.1.2

Highlights

• Added /mfb replace <origin> <new> [except] with single or multiple exclusions.
• Added radial-menu Place/Break and Selection-only workflows.
• Selection-only mode keeps incomplete anchors client-side and reports pos1/pos2/pos3 only after completion.
• Fixed left-click selection cancellation, empty-hand selection, and floor preview rendering.
• /mfb cancel clears pending commands; /mfb clearpos clears all selection anchors and preview.