Autopilot 0.4.5

Fixes Twitch drops that never credited on allow-list and umbrella event campaigns (for example, "Special Events" drops like Football Fest).

A drop only earns while a participating channel is live under the campaign's own category. Mining now requires both allow-list membership and the correct live category, instead of watching any live allow-listed channel (which could be streaming something else entirely and credit nothing).

Also in this release:

• When no participating channel is live in the right category, mining a single campaign stops with a clear message instead of appearing to run at 0 percent.
• Finished drops are claimed automatically even while idle.
• Clicking Mine shows an immediate "Starting" state so it's clear the action registered.