[brsbl]

Human comments

What was wrong

Phone visitors saw desktop install controls they can't use, had no separate copy-link action, and shared links carried nothing that let a phone-started download be counted.

What changed

• Phone visitors see "Get bb on your computer" and "Copy link" instead of the desktop download controls.
• Cancelling native sharing leaves the clipboard alone; unavailable sharing falls back to copying.
• Shared links keep incoming campaign tags and drop click identifiers.
• Missing utm_content defaults to send-to-computer, so downloads that start on a phone can be counted; an incoming utm_content stays intact.
• The desktop hero is unchanged from main: one download button plus the existing browser command.

How you verified

• Remote CI passed on this head.
• The copied link keeps utm_content=send-to-computer through to the desktop download's referrer.
• An ad visit's own utm_content survives the share and the desktop download.
• The Mac hero has no Homebrew command and exactly one install command.
• No console errors on phone or Mac.
• Download-server ingestion recorded utm_content=send-to-computer and an ad's own tag; no other test events were sent to PostHog.

Phone sharing · this head

Before: main · After: this head · Captured at 2×

Screen / state	Viewport	Before	After
Homepage hero	Mobile · 390×844
Homepage hero	Desktop · 1440×900

BB-Thread-ID: thr_2xnhqqv56h

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