Add Discord Early Adopter role for EAP customers

[simonhamp]

Summary

Mirrors the existing Max Discord role flow for Early Access Program (EAP) customers. Users who purchased licenses before June 1, 2025 (isEapCustomer()) can now receive the Early Adopter Discord role (role ID 1326505265079521353) automatically when connecting their Discord account, or via a dedicated request button on the access banner.

Changes

• config/services.php: New early_adopter_role_id config key backed by DISCORD_EARLY_ADOPTER_ROLE_ID env var.
• app/Support/DiscordApi.php: Refactored role API calls into shared assignRole / removeRole / hasRole helpers and added assignEarlyAdopterRole(), removeEarlyAdopterRole(), and hasEarlyAdopterRole().
• Migration: Adds discord_early_adopter_role_granted_at timestamp to users table.
• User model: Casts the new timestamp.
• DiscordAccessBanner Livewire component: Tracks hasEarlyAdopterRole status and adds a requestEarlyAdopterRole() action gated on isEapCustomer() and guild membership.
• Blade banner: Displays Max and Early Adopter role badges side by side (Active / Eligible) and renders a request button for each eligible role independently.
• DiscordIntegrationController: On OAuth callback, assigns both Max and Early Adopter roles when applicable. On disconnect, removes both roles.

Configuration

Add to .env:

DISCORD_EARLY_ADOPTER_ROLE_ID=1326505265079521353

Test plan

• Unit/feature tests pass (16 new tests, 1074 tests total green)
• Connect Discord as an EAP-only customer → Early Adopter role is granted, badge shows Active
• Connect Discord as Max + EAP customer → both roles are granted
• Connect Discord as non-EAP customer → no Early Adopter role granted
• EAP customer who joins the server after connecting clicks "Request Early Adopter Role" → role granted
• Disconnect Discord while holding the Early Adopter role → role removed

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