Bump to v0.12.4 — polls, custom relay, UI polish

NIP-1068 polls: create and vote on polls inline in the feed.
Switch default relay to custom Go relay (relay2.veganostr.com).
Note action icons with tooltips, sidebar icon cleanup,
search dedup fix, thread indentation fix.

.github/workflows/release.yml

@@ -69,12 +69,20 @@ jobs:
 
             > **Windows note:** The installer is not yet code-signed. Windows SmartScreen will show an "Unknown publisher" warning — click "More info → Run anyway" to install.
 
+            ### v0.12.4 — Polls, Custom Relay & UI Polish
+            - **NIP-1068 Polls** — create polls from the compose box, vote on polls in the feed, animated result bars with vote counts and percentages, per-pubkey dedup, expiry support
+            - **Custom Go relay** — switched default relay from strfry to Vega's own Go relay (`wss://relay2.veganostr.com`) with 19 NIPs including NIP-45 COUNT, NIP-50 Search, and NIP-77 Negentropy
+            - **Note action icons** — replaced text labels (reply/repost/share/save) with icons, added tooltips on hover, dot separators for visual clarity
+            - **Sidebar icons** — distinct icons for V4V (📡) vs Zaps (⚡), better icons for podcasts (🎙), follows (👥), bookmarks (★)
+            - **Fix duplicate search results** — people search now deduplicates by pubkey across relays
+            - **Fix thread indentation** — deep threads no longer overflow on narrow/half-screen windows; indent capped at depth 3 with relative spacing
+
             ### v0.12.3 — Fix Direct Messages
             - **Fix DMs not loading** — NIP-17 gift-wrapped messages were silently dropped by NDK's fetchEvents; switched to subscribe-based fetch that correctly receives kind 1059 events
             - **Repo cleanup** — hardened .gitignore, updated AGENTS.md and ROADMAP.md
 
             ### v0.12.2 — Vega Public Relay
-            - **`wss://relay.veganostr.com`** — Vega's own public relay, included by default for all users
+            - **`wss://relay2.veganostr.com`** — Vega's custom Go relay, included by default for all users
             - Existing users get the relay auto-added on upgrade (one-time migration)
 
             ### v0.12.1 — Fixes