v0.2.6

What's Changed

• slack: dedupe the subscriber registry by socket_path and validate thread_ts shape by @kecbigmt in #596
• population: stop a chronically-failing member from starving new admissions by @kecbigmt in #597
• docs/plectshim: fix PLECT_BIN wording and a sentence-fragment comment by @kecbigmt in #599
• slack: preserve stream state across adapter restarts by @kecbigmt in #601
• slack: user_id on unbound-mention items, user_ids allowlist, denied-mention replies by @kecbigmt in #605

Full Changelog: v0.2.5...v0.2.6