Paragon: cascade guard for class skill lines + panel catalog backfill

The skill-line cascade in Player::learnSkillRewardedSpells re-fires from
_LoadSkills (every login), UpdateSkillsForLevel (every level-up),
UpdateSkillPro (every weapon-skill tick on a training dummy), and
SetSkill (first time a class skill is granted). Each pass re-grants
every SkillLineAbility-tagged class ability on the matching skill line,
which leaks Blood Presence / Death Coil / Death Grip / etc. back into
the spellbook within seconds even after the player intentionally
refunded them via the Character Advancement panel.

Path B fix: a 5-line guard at the top of learnSkillRewardedSpells skips
the cascade for class-category skill lines on CLASS_PARAGON characters.
mod-paragon already calls Player::learnSpell directly for the abilities
the player actually purchased (and their attached passives), so the
panel becomes the sole authority over class abilities. Profession,
weapon, language, and racial cascades stay enabled so recipe auto-learn,
weapon proficiencies, and racial perks still work.

Side effect: passives that previously rode along on the cascade
(Forceful Deflection on Blood Strike, Runic Focus on Icy Touch) must be
force-attached the same way Blood Plague / Frost Fever already are.
Extend kAttached and kFixup in Paragon_Essence.cpp to do that; existing
characters self-heal on next login.

Backfill paragon_spell_ae_cost for 42 spells newly exposed by the panel
after the ClassMask=0 filter was removed from the client catalog
generator (Lava Burst, Hex, Evocation, Kill Shot, Path of Frost,
Horn of Winter, Rune Strike, Raise Ally, Dark Command, etc.). Migration
is INSERT IGNORE so any per-spell tuning on existing rows is preserved.

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

modules/mod-paragon/data/sql/db-world/updates/2026_05_10_05.sql

@@ -0,0 +1,62 @@
+-- mod-paragon: backfill paragon_spell_ae_cost rows for spells newly exposed
+-- by the Character Advancement panel after removing the over-aggressive
+-- ClassMask=0 filter from tools/_gen_paragon_advancement_spells_lua.py.
+--
+-- The base file (data/sql/db-world/base/paragon_spell_ae_cost.sql) was
+-- regenerated alongside this migration so fresh deployments already have
+-- these rows. Existing servers do not re-run base files on content change,
+-- so this update inserts the new (spell_id, ae_cost) pairs idempotently.
+-- INSERT IGNORE keeps any per-row tuning a server operator may have already
+-- applied to spell_ids that happen to overlap.
+--
+-- New ids include: 51505 Lava Burst (Shaman), 12051 Evocation / 1066 Aqueous
+-- Form / Hex / Mage Ward / Spellsteal (Mage), 53351 Kill Shot / 19263
+-- Deterrence / 53271 Master's Call (Hunter), 3714 Path of Frost / 57330
+-- Horn of Winter / 56815 Rune Strike / 61999 Raise Ally / 56222 Dark Command
+-- (DK), and 39 other trainer-taught class abilities whose stock
+-- SkillLineAbility.dbc rows have ClassMask=0 (the skill line itself pins the
+-- class for these rows; ClassMask is redundant on class-spec lines).
+
+INSERT IGNORE INTO `paragon_spell_ae_cost` (`spell_id`, `ae_cost`) VALUES
+    (66, 1),     -- Invisibility (Mage)
+    (126, 1),    -- Eye of Kilrogg (Warlock)
+    (526, 1),    -- Cure Toxins (Shaman)
+    (688, 1),    -- Summon Imp (Warlock)
+    (691, 1),    -- Summon Felhunter (Warlock)
+    (697, 1),    -- Summon Voidwalker (Warlock)
+    (712, 1),    -- Summon Succubus (Warlock)
+    (768, 1),    -- Cat Form (Druid)
+    (783, 1),    -- Travel Form (Druid)
+    (1066, 1),   -- Aqueous Form (Mage)
+    (2894, 1),   -- Fire Resistance Totem (Shaman)
+    (3714, 1),   -- Path of Frost (DK)
+    (5215, 1),   -- Prowl (Druid)
+    (5487, 1),   -- Bear Form (Druid)
+    (5504, 1),   -- Conjure Refreshment (Mage)
+    (6795, 1),   -- Growl (Druid)
+    (6807, 1),   -- Maul (Druid)
+    (12051, 1),  -- Evocation (Mage)
+    (19263, 1),  -- Deterrence (Hunter)
+    (23161, 1),  -- Summon Dreadsteed (Warlock)
+    (23214, 1),  -- Summon Charger (Paladin)
+    (30449, 1),  -- Spellsteal (Mage)
+    (33943, 1),  -- Flight Form (Druid)
+    (34767, 1),  -- Summon Felguard (Warlock)
+    (48018, 1),  -- Demonic Circle: Summon (Warlock)
+    (50769, 1),  -- Revive (Druid)
+    (51505, 1),  -- Lava Burst (Shaman)
+    (51514, 1),  -- Hex (Shaman)
+    (51730, 1),  -- Earthliving Weapon (Shaman)
+    (52127, 1),  -- Water Shield (Shaman)
+    (52610, 1),  -- Savage Roar (Druid)
+    (53271, 1),  -- Master's Call (Hunter)
+    (53351, 1),  -- Kill Shot (Hunter)
+    (56222, 1),  -- Dark Command (DK)
+    (56815, 1),  -- Rune Strike (DK)
+    (57330, 1),  -- Horn of Winter (DK)
+    (61999, 1),  -- Raise Ally (DK)
+    (64843, 1),  -- Divine Hymn (Priest)
+    (64901, 1),  -- Hymn of Hope (Priest)
+    (66842, 1),  -- Call of the Elements (Shaman totem set)
+    (66843, 1),  -- Call of the Ancestors (Shaman totem set)
+    (66844, 1);  -- Call of the Spirits (Shaman totem set)