loc(traits): add double-prefix trait localization keys

CK3 looks up traits with both trait_X and trait_trait_X prefixes.
Added trait_trait_* entries for all 22 metallic arts traits
(name + desc) to eliminate ck3-tiger warnings.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

lords_of_ash/localization/english/mistborn_traits_l_english.yml

@@ -102,17 +102,69 @@
  trait_feruchemy_group:0 "Feruchemy"
  trait_feruchemy_potential_group:0 "Feruchemical Potential"
 
- # ========== DUPLICATE TRAIT_ PREFIX KEYS ==========
- # CK3 prepends trait_ to trait names for loc lookup
+ # ========== DOUBLE-PREFIX TRAIT KEYS ==========
+ # CK3 prepends trait_ to trait names for loc lookup, creating trait_trait_X
 
+ # --- Mistings ---
+ trait_trait_misting_coinshot:0 "Coinshot"
+ trait_trait_misting_coinshot_desc:0 "A Steel Misting who can Push on nearby metals."
+ trait_trait_misting_lurcher:0 "Lurcher"
+ trait_trait_misting_lurcher_desc:0 "An Iron Misting who can Pull on nearby metals."
+ trait_trait_misting_thug:0 "Pewterarm"
+ trait_trait_misting_thug_desc:0 "A Pewter Misting with immense physical strength and endurance."
+ trait_trait_misting_tineye:0 "Tineye"
+ trait_trait_misting_tineye_desc:0 "A Tin Misting with preternaturally enhanced senses."
+ trait_trait_misting_soother:0 "Soother"
+ trait_trait_misting_soother_desc:0 "A Brass Misting who can dampen the emotions of those nearby."
+ trait_trait_misting_rioter:0 "Rioter"
+ trait_trait_misting_rioter_desc:0 "A Zinc Misting who can inflame the emotions of those nearby."
+ trait_trait_misting_smoker:0 "Smoker"
+ trait_trait_misting_smoker_desc:0 "A Copper Misting who hides all Allomantic pulses within a coppercloud."
+ trait_trait_misting_seeker:0 "Seeker"
+ trait_trait_misting_seeker_desc:0 "A Bronze Misting who can detect the Allomantic pulses of others."
+ trait_trait_misting_augur:0 "Augur"
+ trait_trait_misting_augur_desc:0 "A Gold Misting who can see alternate versions of themselves."
+ trait_trait_misting_oracle:0 "Seer"
+ trait_trait_misting_oracle_desc:0 "An Atium Misting who can see moments into the future."
+ trait_trait_misting_duralumin:0 "Duralumin Gnat"
+ trait_trait_misting_duralumin_desc:0 "A Duralumin Misting whose power enhances other Allomantic burns."
+ trait_trait_misting_nicroburst:0 "Nicroburst"
+ trait_trait_misting_nicroburst_desc:0 "A Nicrosil Misting who can enhance another Allomancer's burn by touch."
+
+ # --- Mistborn ---
  trait_trait_mistborn:0 "Mistborn"
  trait_trait_mistborn_desc:0 "A full Mistborn — one who can burn every Allomantic metal."
 
+ # --- Allomantic Strength ---
+ trait_trait_allomantic_weak:0 "Weak Allomancer"
+ trait_trait_allomantic_weak_desc:0 "This Allomancer burns metals inefficiently, producing weaker effects."
+ trait_trait_allomantic_strong:0 "Strong Allomancer"
+ trait_trait_allomantic_strong_desc:0 "This Allomancer burns metals with unusual potency."
+ trait_trait_allomantic_savant:0 "Allomantic Savant"
+ trait_trait_allomantic_savant_desc:0 "Through years of constant burning, this Allomancer's power is magnified but at great cost."
+
+ # --- Potential ---
+ trait_trait_allomantic_potential:0 "Allomantic Potential"
+ trait_trait_allomantic_potential_desc:0 "A dormant seed of Allomantic power waiting to be awakened through Snapping."
  trait_trait_mistborn_potential:0 "Mistborn Potential"
  trait_trait_mistborn_potential_desc:0 "The rarest of dormant gifts — should they survive the Snapping, they will awaken as a full Mistborn."
 
+ # --- Feruchemy ---
+ trait_trait_feruchemist:0 "Feruchemist"
+ trait_trait_feruchemist_desc:0 "A practitioner of Feruchemy, the ancient art of the Terris people."
  trait_trait_feruchemy_potential:0 "Feruchemical Potential"
  trait_trait_feruchemy_potential_desc:0 "The gift of the Terris people lies dormant in this one's blood."
 
+ # --- Hemalurgy ---
+ trait_trait_hemalurgist:0 "Hemalurgist"
+ trait_trait_hemalurgist_desc:0 "This individual practices Hemalurgy — the darkest of the three metallic arts."
+ trait_trait_hemalurgic_steel:0 "Steel Spike"
+ trait_trait_hemalurgic_steel_desc:0 "A steel spike grants stolen Allomantic Steel — the ability to Push on metals."
+ trait_trait_hemalurgic_pewter:0 "Pewter Spike"
+ trait_trait_hemalurgic_pewter_desc:0 "A pewter spike grants stolen strength and endurance."
+ trait_trait_hemalurgic_bronze:0 "Bronze Spike"
+ trait_trait_hemalurgic_bronze_desc:0 "A bronze spike grants a stolen ability to sense Allomantic pulses."
+ trait_trait_hemalurgic_atium:0 "Atium Spike"
+ trait_trait_hemalurgic_atium_desc:0 "An atium spike — rarest and most terrible of Hemalurgic instruments."
  trait_trait_knows_hemalurgy:0 "Knows Hemalurgy"
  trait_trait_knows_hemalurgy_desc:0 "This individual possesses forbidden knowledge of Hemalurgy — the dark metallic art that steals power through murder."