feat: Tier 2 intro polish — lottie + particles_flutter#83
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feat: Tier 2 intro polish — lottie + particles_flutter#83
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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Adds 25 slow-drifting circular particles (radius 1–4px, white at ~10–22% opacity) that float across the intro gradient using BoundType.WrapAround. Particles are generated once in initState and reused across all steps. Lottie is not yet implemented — a .json asset is required first. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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What
Adds
lottie(^3.1.0) andparticles_flutter(^2.0.2) as dependencies.Why
lottie— play After Effects / Lottie JSON animations (sparkle overlays, animated stamp, envelope fly-in); free assets at lottiefiles.com. Drops in asLottie.asset('assets/sparkle.json')alongside existing Flutter widgets.particles_flutter— low-CPU floating particle background (falling envelopes, stamps) behind the intro gradient. Very low overhead at low particle counts.Not wired up yet
Dependencies only.
lottierequires a.jsonasset exported from After Effects / Lottie editor.particles_flutterneeds a particle config wired into the intro scaffold.Test plan
flutter pub getsucceedsflutter analyzeclean