release(v1.5.6): manifest bump, changelog and forge post

docs/ROADMAP.md

@@ -12,16 +12,25 @@ be a poor fit for the plugin's privacy-first scope during brainstorming.
 
 ## Next Cycle
 
-**v1.5.5b — Upstream-Sync Filter/Notification/Polish** is the next planned scope: the second half
-of the backlog-sync wave, covering filter improvements, notification refinements, and UI polish
-items that did not fit the v1.5.5 bundle. Plugin Integrations Wave 2-6 (Context-Menu,
-NotificationMaster, Moodles, ExtraChat, XIVIM Quick-DM) follows.
+**v1.5.7 — Ad-Block / Spam-Filter** is the next planned scope: the hybrid ad-block and
+spam-filter cycle, combining a lightweight built-in filter with optional `NoSoliciting`
+IPC integration. Plugin Integrations Wave 2-6 (Context-Menu, NotificationMaster, Moodles,
+ExtraChat, XIVIM Quick-DM) follows.
 
 Native-speaker review of the AI-assisted v1.5.3 translations (13 legacy Crowdin locales) runs in
 parallel as a continuous correction pass, gathered via the Hellion Forge Discord.
 
 ---
 
+## v1.5.6 — Upstream-Sync Filter-Notification-Polish (released 2026-05-22)
+
+A backlog-sync cycle: an optional per-tab regex filter, a pre-send warning for
+plugin-only symbols, sender name display options, a separate unfocused-window
+opacity, and a custom-sound volume slider. Half two of a two-part backlog
+cleanup pass. Schema bumped to v19, additive only.
+
+---
+
 ## v1.5.5 — Upstream-Sync Tab-Features (released 2026-05-21)
 
 A backlog-sync cycle of inherited tab-feature items. Failed tells now raise a warning toast when a
@@ -391,7 +400,7 @@ deferred in favour of the theme engine — both items live on in the mid-term bl
 - **Regex Tab Routing** — route plugin output spam into dedicated tabs, auto-sort tells from
   specific people. Clearly scoped against ad-block: routing sorts into views, blocking hides
   globally.
-- **Auto-Detect Duties** — tab switch on duty start via condition flag.
+- ~~**Auto-Detect Duties**~~ — dropped in v1.5.6 cycle: the effort (a render-gate in the tab-bar / tab-sidebar draw plus resolving what happens to the active tab when it is hidden) outweighs the practical benefit. Removed from backlog.
 - **UX Bundle** — vertical tab bar as a layout option, Shift+Mousewheel to scroll tab headers
   without activating them, global hotkey to close the active tab.
 - **Configure Tab Title** — configurable tab title format (name / name + abbreviated world / full
@@ -404,10 +413,9 @@ deferred in favour of the theme engine — both items live on in the mid-term bl
   with the current channel colour.
 - **Plugin-Disclosure Pre-Send Filter** — configurable word/regex list blocks sending with a
   pre-send confirmation. Protects against accidentally mentioning plugins in public channels.
-- **Chat Clear on Name Change** — on character name change, migrate or wipe local history; default
-  is wipe for maximum privacy.
+- ~~**Chat Clear on Name Change**~~ — dropped in v1.5.6 cycle: would require tracking the character against a stored prior state, which conflicts with the privacy-plugin identity; the desired effect already exists because HellionChat keeps history per character identity, so there is no functional gap. Removed from backlog.
 - **Hide Plugin Window on NG+ Screen** — extend hide logic to cover additional addon names.
-- **Kick from Novice Network** — mentor niche; context menu entry with confirmation.
+- ~~**Kick from Novice Network**~~ — dropped in v1.5.6 cycle: no accessible IPC surface found for Novice Network membership check or kick action; not feasible without a risky memory scan. Removed from backlog.
 - **Text-to-Speech for /tell** — incoming tells via TTS, optionally per sender, with channel filter
   and mute-in-combat. Low priority.