Paragon: AE/TE currency, Character Advancement commit/reset, panel SQL

- mod-paragon: Paragon_Essence addon channel (PARAA), commit queue, resets,
  spell chain learn with passive child tracking, silence-window hints for
  cascade learns, trainer exemptions for pet/portal trainers
- SQL: character_paragon_panel_* tables, paragon_spell_ae_cost world data
- Core: Player Paragon class talent learn hook; Trainer skip for Paragon
  where appropriate
- Ignore local build-worldserver.log

Co-authored-by: Cursor <cursoragent@cursor.com>

.gitignore

@@ -120,3 +120,6 @@ local.properties
 !/modules/mod-ale/**
 # Team Docker: ALE needs Lua at configure time (see mod-ale docs)
 !docker-compose.override.yml
+
+# Local build artifacts (do not commit)
+build-worldserver.log