Feature backport from WIM-TBC (2.x) and WIM-Classic/Retail (3.x)

[refaim]

Features identified by analyzing WIM-TBC v2.4.15, WIM-Classic v3.15.0, and WIM-Retail v3.15.0 source code.

High Priority

• Expose (hide in combat) — Auto-hide WIM windows when entering combat, restore on leaving. (from Classic 3.x Expose module)
• Fade / auto-hide inactive windows — Windows fade out after a configurable inactivity timeout, reappear on new message. (from TBC)
• Auto-close by timeout — Configurable timeout to close stale conversations (separate settings for friends vs others). (from TBC
  msgTimeOut)
• Tabbed mode — Group conversations into tabs at the bottom of a single window instead of separate windows per conversation. (from TBC)
• State-based popup rules — Different popup/sound/focus behavior depending on player state: resting, combat, PvP, party, raid. (from Classic
  3.x StateHandler)

Medium Priority

• Emoticons — Convert text emoticons (:), :D, ;), etc.) into graphical icons inside messages. (from TBC, 50+ emoticons)
• History export — Export conversation history as plain text, HTML, or BBCode. (from TBC)
• Improved URL detection — 16+ regex patterns covering IPs with ports, domains with paths, email addresses, protocol URLs. (from
  TBC/Classic)
• More shortcut bar buttons — Add Follow, Duel, Location buttons to the existing shortcut bar. (from TBC)
• Timestamp format presets — Multiple timestamp formats (12h/24h, with/without seconds, date separators) instead of simple on/off toggle.
  (from Classic 3.x TimeStamps module)
• Off-screen window tracker — Visual blips on screen edges indicating windows that have been pushed off-screen, click to reposition. (from
  Classic 3.x OffScreenTracker module)

Low Priority

• Window recycling (Soup Bowl) — Reuse message window frame objects instead of creating new ones, for better performance with many
  conversations. (from TBC)
• WIM-to-WIM protocol (W2W) — "Is typing..." indicator, talent spec sharing, player location tracking between WIM users via addon messages.
  (from TBC)
• Skinning engine — Swappable visual themes with configurable textures, fonts, and style variations. (from TBC/Classic)
• Chat engine (guild/party/raid) — Display guild, party, raid, and other group chat in WIM-style windows. (from Classic 3.x ChatEngine
  module)