T10: use the scoped params key for the brew timer

[aleqsio]

Switches params to the route-scoped form "brew/[id].id" and touches /brew/[id]. Expected: the deep link resolves to a real method and the bogus-param probe passes — the counterpart to T2.

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[github-actions]

One screen changed in this pull request

/brew/[id] 🟨 changed

🟨 /brew/[id]

its own source changed ([id].tsx)

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Before and after

	before	after
/brew/[id]

How these were captured

• Captured on iPhone 17 Pro: 0 by flow replay (argent 0.21.0), 1 by deep link, 0 by agent (claude · ANTHROPIC_API_KEY not set).
• Compared against baseline 79b1b57 from 2026-08-27 10:15 UTC.
• 0 added · 1 changed · 0 removed · 0 suspects cleared by looking.
• 1 deep link did not appear to arrive (/brew/[id]) — the capture may be a not-found screen.
• Download the bundle.