docs: v0.48.0 release notes — gateway session sync

Co-authored-by: Nathan Esquenazi <nesquena@gmail.com>

ROADMAP.md

@@ -3,7 +3,7 @@
 > Goal: Full 1:1 parity with the Hermes CLI experience via a clean dark web UI.
 > Everything you can do from the CLI terminal, you can do from this UI.
 >
-> Last updated: v0.47.1 (April 12, 2026) — 648 tests, 648 passing
+> Last updated: v0.48.0 (April 12, 2026) — 658 tests, 658 passing
 > Tests: 604 total (604 passing, 0 failures)
 > Source: <repo>/
 
@@ -45,6 +45,7 @@
 | v0.46.0 | Security, Docker UID/GID, model discovery, i18n, cancel fix | Credential redaction in API responses (PR #243); Docker UID/GID matching (PR #237); custom model API key discovery (PR #238); HTML entity decode + zh/zh-Hant i18n (PR #239); cancel interrupts agent (PR #244); +20 tests | 624 |
 | v0.47.0 | Dialogs, session menu, skills command, mobile fixes, mobile QA | Shared app dialogs (#251); session ⋯ menu (#252); mobile QA suite (#254); custom provider slash routing fix (#255); Android Chrome mobile fixes (#256); /skills command (#257); +21 tests | 645 |
 | v0.47.1 | Spanish locale | Full Spanish (es) locale, 175 keys, key-parity tests (#275 @gabogabucho); +3 tests | 648 |
+| v0.48.0 | Gateway session sync | Real-time Telegram/Discord/Slack sessions in sidebar via SSE + DB polling (#274 @bergeouss); +10 tests | 658 |
 | v0.32 | Auto-compaction handling | Compression detection, /compact command, real context window indicator | 424 |
 | v0.33 | /insights sync | Opt-in state.db sync so `hermes /insights` includes WebUI sessions | 424 |
 | v0.34 | Sprint 26 — Pluggable themes | Dark, Light, Slate, Solarized, Monokai, Nord; settings unsaved-changes guard; /theme command | 433 |