fix: UI/UX review — usability fixes (PR 1 of 2)

[ianchesal]

Summary

Addresses the High and Medium priority findings from the UI/UX expert review.

• Fix 1: Status pills and streaming badges move into the movie info section — uniform row heights
• Fix 2: Rating Submit disabled until verdict + quote both filled; asterisk on required label
• Fix 3: Streamable toggle integrated into FilterBar as an extraPill — all filters in one group
• Fix 4: Settings removed from mobile bottom nav; in the ⋯ header more sheet instead
• Fix 5: Stepped colour system for Seerr status pills: grey → indigo → amber → green

Test plan

• 168 tests passing (up from 153)
• Verify watchlist: movie rows have uniform height regardless of streaming state
• Verify rating dialog: Submit disabled until both thumbs and quote entered
• Verify filter bar: Streamable toggle inline with status pills when streaming configured
• Verify mobile: Settings accessible via ⋯ header button, not in bottom nav

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