Redesign Permit Join sheet + restructure Settings Logging

[tashda]

Summary

Two independent UI polish changes landing together on dev:

1. Native-iOS redesign of the Permit Join active sheet — swaps a bespoke layout for the timer/ring idiom Apple uses in Timer, Screen Time, and Fitness.
2. Settings › Logging section restructure — flattens a redundant navigation layer and promotes Logging to a proper top-level section.

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1. Permit Join active sheet redesign

Before: a separate pulsing green "• Active" indicator, a bare thin-weight countdown, a tertiary "Time remaining" caption, and a grey .bordered "Disable Join" pill. The composition read as a stack of unrelated elements rather than a cohesive sheet.

After: a single circular progress ring centered in the sheet with the countdown inside it, plus a prominent red destructive button.

Changes in Shellbee/Features/Home/PermitJoinActiveSheet.swift

• Circular progress ring around the countdown. A ZStack layers a faint green background circle (.stroke(Color.green.opacity(0.15), lineWidth: 8)) over a trimmed foreground circle (.trim(from: 0, to: progress), lineCap: .round, rotated -90°) so the ring drains clockwise from the 12-o'clock position. Trim ratio is remaining / totalDuration, animated linearly each tick. It reuses the existing TimelineView(.periodic(from: .now, by: 1)) — no new timer machinery.
• Removed the "• Active" pulsing dot along with its @State var pulseOpacity and .onAppear animation. The animated ring now signals "active" on its own, matching Apple's Timer app.
• Removed the "Time remaining" caption — redundant once the ring is present.
• Promoted the "Disable Join" button from .bordered to .borderedProminent with .tint(.red). Matches iOS's destructive primary-action pattern (Find My "Erase This Device", Settings "Erase All Content…"). Keeps controlSize(.large), full-width, and role: .destructive semantics.
• Bumped the target-name line (Via all devices / Via <device>) from .tertiary to .secondary foreground and moved it below the ring with Spacing.xl padding.
• No behavior changes: sheet presentation (.medium detent, drag indicator), timer source, onStop callback, dismiss flow, and the fallback radio-waves icon (when totalDuration == 0) are all unchanged. Previews (Active, Via device, No timer) still cover the three states.

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2. Settings › Logging section restructure

• Promote Logging to a proper Settings section with three rows: inline Logging Level picker (auto-commits, no helper text), Logs viewer (moved up from Tools), and a new Log Output subpage.
• Collapse the Logging hub → Basic/Advanced split into a single LogOutputView covering outputs, file settings, rotation/retention, console JSON format, and debug namespace filter.
• Reorder sections: Bridge Configuration → Logging → Integrations → Network → Tools → Application.

Why

Before this change, tapping Logging navigated to a page also titled Logging, which offered two nested subpages (Basic, Advanced). A dead layer — the name collision plus indirection put the log level (the most commonly changed setting) three taps deep.

What changed

• SettingsView — new loggingSection with inline Picker for log level and two NavLinks (Logs, Log Output). Tools section reordered below Network.
• LogOutputView (new) — consolidated settings page replacing LoggingHubView + LoggingBasicView + LoggingSettingsView.
• AppNotificationSettingsView — Bridge Log Level row is now read-only LabeledContent with a footer pointing to Settings → Logging, since there's no longer a dedicated page to deep-link into.
• Deleted: LoggingHubView.swift, LoggingBasicView.swift, LoggingSettingsView.swift, SettingsHighlight.swift.

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Test plan

Permit Join sheet

• Home → Permit Join toolbar button → start a timed session (e.g. 4 min)
• Ring appears full, drains smoothly, reaches empty exactly at 0:00
• Countdown digits animate with numeric text transition
• Tapping Disable Join (solid red prominent) fires onStop and dismisses
• "No timer" state: radio-waves SF Symbol inside ring, ring stays full
• Targeted state: "Via " renders correctly below the ring

Settings Logging

• Settings → new Logging section renders with level picker, Logs, Log Output
• Changing the Logging Level picker commits immediately (watch bridge info update)
• Log Output page shows outputs, file settings (conditional on File toggle), rotation, console JSON, debug filter — Apply/Cancel toolbar works
• Tools section now appears between Network and Application
• Notifications page shows Bridge Log Level as read-only with the "Change in Settings → Logging" footer

CI

• Fast CI green

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