Variet Worker 37c0aae41c fix(bot): multi-project signal freeze — cache-only _get_channel + per-tick scanner cap ...

Root cause: When 3+ projects generated pending simultaneously, Bot's
pending_approval_scanner made 20-40 Discord API calls in one tick
(sequential await), triggering Discord 429 rate limits which blocked
the entire scanner for 10-30s, freezing ALL signal delivery.

Two fixes:
1. _get_channel(): Replace guild.fetch_channels() (API call) with
   discord.utils.get(guild.channels) (in-memory cache). Eliminates
   redundant API calls + Lock contention when multiple projects arrive.
2. pending_approval_scanner: Per-tick caps (5 new + 5 status) prevent
   one tick from monopolizing Discord API quota. Excess items are
   naturally processed in subsequent 3-second ticks.

2026-03-16 07:06:51 +09:00

46 KiB

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