Remove master_debug = True and replace all conditional INFO/DEBUG log
calls with unconditional logger.debug(). Also switches log_return_value
to logger.debug and removes the associated dead commented-out code.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
DNS failures and refused connections raised raw aiohttp errors to Discord
users. Added except aiohttp.ClientError handlers to db_get, db_patch,
db_post, db_put, and db_delete — each logs the error and raises
DatabaseError for consistent handling upstream.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>