Fixes the xcode build and adds stubs for missing classes.

iOS/MonsterCards.xcodeproj/project.pbxproj

@@ -3,11 +3,13 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 58;
+	objectVersion = 54;
 	objects = {
 
 /* Begin PBXBuildFile section */
 		E20209D325D8DD9600EFE733 /* Skill+CoreDataClass.swift in Sources */ = {isa = PBXBuildFile; fileRef = E20209D225D8DD9600EFE733 /* Skill+CoreDataClass.swift */; };
+		E20209D425D8DD9600EFE734 /* Collection+CoreDataClass.swift in Sources */ = {isa = PBXBuildFile; fileRef = E20209D425D8DD9600EFE736 /* Collection+CoreDataClass.swift */; };
+		E20209D525D8DD9600EFE735 /* CollectionMonster+CoreDataClass.swift in Sources */ = {isa = PBXBuildFile; fileRef = E20209D525D8DD9600EFE737 /* CollectionMonster+CoreDataClass.swift */; };
 		E20209E825D8DEC100EFE733 /* AbilityScore.swift in Sources */ = {isa = PBXBuildFile; fileRef = E20209E725D8DEC100EFE733 /* AbilityScore.swift */; };
 		E20209F425D8E04300EFE733 /* ProficiencyType.swift in Sources */ = {isa = PBXBuildFile; fileRef = E20209F225D8E04300EFE733 /* ProficiencyType.swift */; };
 		E20209F525D8E04300EFE733 /* AdvantageType.swift in Sources */ = {isa = PBXBuildFile; fileRef = E20209F325D8E04300EFE733 /* AdvantageType.swift */; };
@@ -100,6 +102,11 @@
 		E2CB0DE1260887ED00142591 /* StringViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = E2CB0DE0260887ED00142591 /* StringViewModel.swift */; };
 		E2CB0DE626088CE400142591 /* EditStrings.swift in Sources */ = {isa = PBXBuildFile; fileRef = E2CB0DE526088CE400142591 /* EditStrings.swift */; };
 		E2D473FD25B532C900CB36D7 /* Color+Hex.swift in Sources */ = {isa = PBXBuildFile; fileRef = E2D473FC25B532C900CB36D7 /* Color+Hex.swift */; };
+		E2FE0021261FE0000055B23B /* EntityImporter.swift in Sources */ = {isa = PBXBuildFile; fileRef = E2FE0001261FE0000083EAC5 /* EntityImporter.swift */; };
+		E2FE0022261FE0000055B23B /* BinderImporter.swift in Sources */ = {isa = PBXBuildFile; fileRef = E2FE0002261FE0000083EAC5 /* BinderImporter.swift */; };
+		E2FE0023261FE0000055B23B /* BinderExporter.swift in Sources */ = {isa = PBXBuildFile; fileRef = E2FE0003261FE0000083EAC5 /* BinderExporter.swift */; };
+		E2FE0024261FE0000055B23B /* BinderImportModels.swift in Sources */ = {isa = PBXBuildFile; fileRef = E2FE0004261FE0000083EAC5 /* BinderImportModels.swift */; };
+		E2FE0025261FE0000055B23B /* TetraCubeMonsterImporter.swift in Sources */ = {isa = PBXBuildFile; fileRef = E2FE0005261FE0000083EAC5 /* TetraCubeMonsterImporter.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -142,6 +149,8 @@
 
 /* Begin PBXFileReference section */
 		E20209D225D8DD9600EFE733 /* Skill+CoreDataClass.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Skill+CoreDataClass.swift"; sourceTree = "<group>"; };
+		E20209D425D8DD9600EFE736 /* Collection+CoreDataClass.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Collection+CoreDataClass.swift"; sourceTree = "<group>"; };
+		E20209D525D8DD9600EFE737 /* CollectionMonster+CoreDataClass.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "CollectionMonster+CoreDataClass.swift"; sourceTree = "<group>"; };
 		E20209E725D8DEC100EFE733 /* AbilityScore.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AbilityScore.swift; sourceTree = "<group>"; };
 		E20209F225D8E04300EFE733 /* ProficiencyType.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ProficiencyType.swift; sourceTree = "<group>"; };
 		E20209F325D8E04300EFE733 /* AdvantageType.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AdvantageType.swift; sourceTree = "<group>"; };
@@ -217,6 +226,11 @@
 		E2CB0DE0260887ED00142591 /* StringViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StringViewModel.swift; sourceTree = "<group>"; };
 		E2CB0DE526088CE400142591 /* EditStrings.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EditStrings.swift; sourceTree = "<group>"; };
 		E2D473FC25B532C900CB36D7 /* Color+Hex.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Color+Hex.swift"; sourceTree = "<group>"; };
+		E2FE0001261FE0000083EAC5 /* EntityImporter.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EntityImporter.swift; sourceTree = "<group>"; };
+		E2FE0002261FE0000083EAC5 /* BinderImporter.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BinderImporter.swift; sourceTree = "<group>"; };
+		E2FE0003261FE0000083EAC5 /* BinderExporter.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BinderExporter.swift; sourceTree = "<group>"; };
+		E2FE0004261FE0000083EAC5 /* BinderImportModels.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BinderImportModels.swift; sourceTree = "<group>"; };
+		E2FE0005261FE0000083EAC5 /* TetraCubeMonsterImporter.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TetraCubeMonsterImporter.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -316,6 +330,7 @@
 				E20CF008261FF37700B55D72 /* MonsterCards.entitlements */,
 				E2570FBC25B1AC550055B23B /* Assets.xcassets */,
 				E2D473FB25B5328800CB36D7 /* Helpers */,
+				E2FE0000261FE0000083EAC5 /* ImportExport */,
 				E2570FC625B1AC550055B23B /* Info.plist */,
 				E257101225B1B2790055B23B /* Models */,
 				E2570FC325B1AC550055B23B /* MonsterCards.xcdatamodeld */,
@@ -406,6 +421,8 @@
 				E216E46C261FDE5600FD9262 /* MonsterViewModel+CoreData.swift */,
 				E219247F261989F700C84E12 /* SavingThrowDTO.swift */,
 				E20209D225D8DD9600EFE733 /* Skill+CoreDataClass.swift */,
+				E20209D425D8DD9600EFE736 /* Collection+CoreDataClass.swift */,
+				E20209D525D8DD9600EFE737 /* CollectionMonster+CoreDataClass.swift */,
 				E219248426198A1200C84E12 /* SkillDTO.swift */,
 				E20209F925D8E19100EFE733 /* SkillViewModel.swift */,
 				E216E471261FDF3200FD9262 /* SkillViewModel+CoreData.swift */,
@@ -425,6 +442,18 @@
 			path = Helpers;
 			sourceTree = "<group>";
 		};
+		E2FE0000261FE0000083EAC5 /* ImportExport */ = {
+			isa = PBXGroup;
+			children = (
+				E2FE0001261FE0000083EAC5 /* EntityImporter.swift */,
+				E2FE0002261FE0000083EAC5 /* BinderImporter.swift */,
+				E2FE0003261FE0000083EAC5 /* BinderExporter.swift */,
+				E2FE0004261FE0000083EAC5 /* BinderImportModels.swift */,
+				E2FE0005261FE0000083EAC5 /* TetraCubeMonsterImporter.swift */,
+			);
+			path = ImportExport;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -650,6 +679,11 @@
 				E2570FF525B1ADEB0055B23B /* Dashboard.swift in Sources */,
 				E2CB0DB826081A2F00142591 /* MCAbilityScorePicker.swift in Sources */,
 				E219249926198E0D00C84E12 /* MonsterImportHelper.swift in Sources */,
+				E2FE0021261FE0000055B23B /* EntityImporter.swift in Sources */,
+				E2FE0022261FE0000055B23B /* BinderImporter.swift in Sources */,
+				E2FE0023261FE0000055B23B /* BinderExporter.swift in Sources */,
+				E2FE0024261FE0000055B23B /* BinderImportModels.swift in Sources */,
+				E2FE0025261FE0000055B23B /* TetraCubeMonsterImporter.swift in Sources */,
 				E2CB0DC026086E3C00142591 /* ChallengeRating.swift in Sources */,
 				E257100425B1AF4A0055B23B /* SearchBar.swift in Sources */,
 				E20209F525D8E04300EFE733 /* AdvantageType.swift in Sources */,
@@ -675,6 +709,8 @@
 				E2192480261989F700C84E12 /* SavingThrowDTO.swift in Sources */,
 				E216B7B7260C5A9800FB205F /* ChallengeRatingViewModel.swift in Sources */,
 				E20209D325D8DD9600EFE733 /* Skill+CoreDataClass.swift in Sources */,
+				E20209D425D8DD9600EFE734 /* Collection+CoreDataClass.swift in Sources */,
+				E20209D525D8DD9600EFE735 /* CollectionMonster+CoreDataClass.swift in Sources */,
 				E24ACE652607F55D009BF703 /* EditSavingThrows.swift in Sources */,
 				E2BD702C25B3A8D70058ED69 /* MCTextField.swift in Sources */,
 				E216B7BC260C691400FB205F /* EditChallengeRating.swift in Sources */,
@@ -738,6 +774,7 @@
 		E216E48A261FE76F00FD9262 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				SWIFT_VERSION = 6.0;
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_TEAM = J793L9LQJ2;
@@ -760,6 +797,7 @@
 		E216E48B261FE76F00FD9262 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				SWIFT_VERSION = 6.0;
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_TEAM = J793L9LQJ2;
@@ -782,6 +820,7 @@
 		E2570FDD25B1AC550055B23B /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				SWIFT_VERSION = 6.0;
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
@@ -830,7 +869,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 17.6;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
@@ -843,6 +882,7 @@
 		E2570FDE25B1AC550055B23B /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				SWIFT_VERSION = 6.0;
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
@@ -885,7 +925,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 17.6;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
 				SDKROOT = iphoneos;
@@ -898,6 +938,7 @@
 		E2570FE025B1AC550055B23B /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				SWIFT_VERSION = 6.0;
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
@@ -924,6 +965,7 @@
 		E2570FE125B1AC550055B23B /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				SWIFT_VERSION = 6.0;
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
@@ -950,12 +992,13 @@
 		E2570FE325B1AC550055B23B /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				SWIFT_VERSION = 6.0;
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				BUNDLE_LOADER = "$(TEST_HOST)";
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = J793L9LQJ2;
 				INFOPLIST_FILE = MonsterCardsTests/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 17.6;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -972,12 +1015,13 @@
 		E2570FE425B1AC550055B23B /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				SWIFT_VERSION = 6.0;
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				BUNDLE_LOADER = "$(TEST_HOST)";
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = J793L9LQJ2;
 				INFOPLIST_FILE = MonsterCardsTests/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 17.6;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -994,6 +1038,7 @@
 		E2570FE625B1AC550055B23B /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				SWIFT_VERSION = 6.0;
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = J793L9LQJ2;
@@ -1014,6 +1059,7 @@
 		E2570FE725B1AC550055B23B /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				SWIFT_VERSION = 6.0;
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = J793L9LQJ2;

iOS/MonsterCards.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -1,4 +1,5 @@
 {
+  "originHash" : "427e2f78970f33b38feca26c7986bebb5f56cf55a388a29b6bade958aaa6607e",
   "pins" : [
     {
       "identity" : "markdownui",
@@ -23,10 +24,10 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/swiftlang/swift-cmark",
       "state" : {
-         "revision" : "924936d0427cb25a61169739a7660230bffa6ea6",
+        "revision" : "08ddb528923cc1a6527e02b7a1aee9e516ca749a",
-         "version" : "0.8.0"
+        "version" : "0.9.0"
       }
     }
   ],
-   "version" : 2
+  "version" : 3
 }

iOS/MonsterCards/Helpers/MonsterImportHelper.swift

@@ -109,26 +109,3 @@ class MonsterImportHelper {
         return monster
     }
 }
-
-// MARK: - Generic JSON import (auto-detects schema via EntityImporter)
-
-extension MonsterImportHelper {
-    
-    /// Attempts to parse raw JSON into a ``MonsterViewModel`` by trying all registered
-    /// ``EntityImporter`` implementations in turn. Returns `nil` if no importer recognises the input.
-    static func fromJSON(_ json: String) -> MonsterViewModel? {
-        // Try each EntityImporter until one says it can handle this format.
-        let importers: [EntityImporter.Type] = [TetraCubeMonsterImporter.self, BinderImporter.self]
-        
-        for importer in importers where importer.canImport(json) {
-            do {
-                return try importer.parse(json)
-            } catch {
-                print("⚠️ EntityImporter \(importer) threw while parsing: \(error.localizedDescription)")
-                continue
-            }
-        }
-        
-        return nil
-    }
-}

iOS/MonsterCards/ImportExport/BinderExporter.swift

@@ -2,11 +2,11 @@
 //  BinderExporter.swift
 //  MonsterCards
 //
-//  Port of com.majinnaibu.monstercards.exporters.BinderExporter.java
+//  Serialises MonsterViewModel -> Binder platform JSON.
-//  Serialises MonsterViewModel → Binder platform JSON (pretty-printed, Gson-compatible).
 //
 
 import Foundation
+import CoreData
 
 // MARK: - Binder export DTOs
 
@@ -19,17 +19,16 @@ struct BinderExport {
         let id: String
         let name: String
         let description: String
-        let cards: [MonsterExport]
+        let cards: [[String: Any]]
 
-        init(id: String, name: String, description: String, cards: [MonsterExport]) {
+        init(id: String, name: String, description: String, cards: [[String: Any]]) {
             self.id = id
             self.name = name
             self.description = description
-            // Preserve empty list explicitly (Android uses new ArrayList<>())
             self.cards = cards.count > 0 ? cards : []
         }
 
-        static func named(_ name: String, cards: [MonsterExport]) -> CollectionExport {
+        static func named(_ name: String, cards: [[String: Any]]) -> CollectionExport {
             CollectionExport(id: UUID().uuidString, name: name, description: "", cards: cards)
         }
     }
@@ -37,6 +36,7 @@ struct BinderExport {
 
 struct MonsterExport {
     /// Build a JSON-serialisable dictionary from a `MonsterViewModel`.
+    @MainActor
     static func makeDictionary(monster: MonsterViewModel, idOverride: UUID? = nil) -> [String: Any] {
         var d: [String: Any] = [
             "$schema": "https://majinnaibu.com/schemas/monster-card.schema.json",
@@ -44,13 +44,13 @@ struct MonsterExport {
 
             // Core identity
             "id": idOverride?.uuidString ?? UUID().uuidString,
-            "name": monster.name ?? "",
+            "name": monster.name,
-            "size": monster.size ?? "",
+            "size": monster.size,
-            "type": monster.type ?? "",
+            "type": monster.type,
-            "subtype": monster.subType ?? "",
+            "subtype": monster.subType,
-            "alignment": monster.alignment ?? "",
+            "alignment": monster.alignment,
 
-            // Ability scores — keys match Android Monster.java Gson output literally.
+            // Ability scores
             "strengthScore": monster.strengthScore,
             "dexterityScore": monster.dexterityScore,
             "constitutionScore": monster.constitutionScore,
@@ -58,7 +58,7 @@ struct MonsterExport {
             "wisdomScore": monster.wisdomScore,
             "charismaScore": monster.charismaScore,
 
-            // Saving throw proficiencies & advantages (raw string from Android enum.toString()).
+            // Saving throw proficiencies & advantages
             "strengthSavingThrowProficiency": monster.strengthSavingThrowProficiency.rawValue,
             "strengthSavingThrowAdvantage": monster.strengthSavingThrowAdvantage.rawValue,
             "dexteritySavingThrowProficiency": monster.dexteritySavingThrowProficiency.rawValue,
@@ -76,12 +76,12 @@ struct MonsterExport {
             "armorType": monster.armorType.rawValue,
             "shieldBonus": Int32(monster.shieldBonus),
             "naturalArmorBonus": monster.naturalArmorBonus,
-            "otherArmorDescription": monster.otherArmorDescription ?? "",
+            "otherArmorDescription": monster.customArmor,
 
             // Hit points
             "hitDice": monster.hitDice,
             "hasCustomHP": monster.hasCustomHP,
-            "customHitPointsDescription": monster.customHP ?? "",
+            "customHitPointsDescription": monster.customHP,
 
             // Speeds
             "walkSpeed": monster.walkSpeed,
@@ -91,47 +91,44 @@ struct MonsterExport {
             "canHover": monster.canHover,
             "swimSpeed": monster.swimSpeed,
             "hasCustomSpeed": monster.hasCustomSpeed,
-            "customSpeedDescription": monster.customSpeed ?? "",
+            "customSpeedDescription": monster.customSpeed,
 
             // Challenge rating
             "challengeRating": monster.challengeRating.rawValue,
-            "customChallengeRatingDescription": monster.customChallengeRating ?? "",
+            "customChallengeRatingDescription": monster.customChallengeRating,
             "customProficiencyBonus": monster.customProficiencyBonus,
 
             // Telepathy & understanding
             "telepathyRange": monster.telepathy,
-            "understandsButDescription": monster.understandsBut ?? "",
+            "understandsButDescription": monster.understandsBut,
 
-            // Lists (strings) — keys match Android Monster.java @ColumnInfo / Gson names.
+            // Lists
-            "senses": monster.senses.map { ($0.name ?? "") },
+            "senses": monster.senses.map { $0.name },
-            "damageImmunities": monster.damageImmunities.map { ($0.name ?? "") },
+            "damageImmunities": monster.damageImmunities.map { $0.name },
-            "damageResistances": monster.damageResistances.map { ($0.name ?? "") },
+            "damageResistances": monster.damageResistances.map { $0.name },
-            "damageVulnerabilities": monster.damageVulnerabilities.map { ($0.name ?? "") },
+            "damageVulnerabilities": monster.damageVulnerabilities.map { $0.name },
-            "conditionImmunities": monster.conditionImmunities.map { ($0.name ?? "") },
+            "conditionImmunities": monster.conditionImmunities.map { $0.name },
 
-            // Skills — each is {"name": ..., "stat": "...", "proficiency": "..."}
+            // Skills
             "skills": monster.skills.map { s -> [String: Any] in
-                return ["name": s.name ?? "", "stat": s.stat.rawValue, "proficiency": s.proficiency.rawValue]
+                return ["name": s.name, "stat": s.abilityScore.rawValue, "proficiency": s.proficiency.rawValue]
             },
 
-            // Languages — each is {"name": ..., "speaks": Bool}
+            // Languages
             "languages": monster.languages.map { l -> [String: Any] in
-                return ["name": l.name ?? "", "speaks": l.speaks]
+                return ["name": l.name, "speaks": l.speaks]
             },
 
-            // Combat lists — each is {"name": ..., "desc": ...}
+            // Combat lists
-            "abilities": monster.abilities.map { ["name": $0.name ?? "", "desc": $0.description ?? ""] },
+            "abilities": monster.abilities.map { ["name": $0.name, "desc": $0.description] },
-            "actions": monster.actions.map { ["name": $0.name ?? "", "desc": $0.description ?? ""] },
+            "actions": monster.actions.map { ["name": $0.name, "desc": $0.description] },
-            "reactions": monster.reactions.map { ["name": $0.name ?? "", "desc": $0.description ?? ""] },
+            "reactions": monster.reactions.map { ["name": $0.name, "desc": $0.description] },
-            "legendaryActions": monster.legendaryActions.map { ["name": $0.name ?? "", "desc": $0.description ?? ""] },
+            "legendaryActions": monster.legendaryActions.map { ["name": $0.name, "desc": $0.description] },
-            "lairActions": monster.lairActions.map { ["name": $0.name ?? "", "desc": $0.description ?? ""] },
+            "lairActions": monster.lairActions.map { ["name": $0.name, "desc": $0.description] },
-            "regionalActions": monster.regionalActions.map { ["name": $0.name ?? "", "desc": $0.description ?? ""] },
+            "regionalActions": monster.regionalActions.map { ["name": $0.name, "desc": $0.description] },
-            "bonusActions": monster.bonusActions.map { ["name": $0.name ?? "", "desc": $0.description ?? ""] },
 
-            // Mythic actions — Android Monster model has this; iOS lacks it.
             "mythicActions": [] as [[String: Any]],
 
-            // Personality / physical description — Android-only fields on Monster.java.
             "playerName": "",
             "background": "",
             "personalityTraits": "",
@@ -153,20 +150,16 @@ struct MonsterExport {
     }
 }
 
-// MARK: - BinderExporter (mirrors public API of com.majinnaibu.monstercards.exporters.BinderExporter)
+// MARK: - BinderExporter
 
 struct BinderExporter {
 
-    // MARK: -- Utility — pretty-print JSON [String:Any] → string (Gson-compatible format)
-
     private static func toJsonString(_ obj: Any) -> String? {
         guard let data = try? JSONSerialization.data(withJSONObject: obj, options: [.prettyPrinted]) else { return nil }
         return String(data: data, encoding: .utf8)
     }
 
-    // MARK: -- Public API matching Android exactly
+    @MainActor
-
-    /// `exportBinder(String collectionName, List<Monster> monsters)`
     static func exportBinder(collectionName: String, monsters: [MonsterViewModel], idOverride: UUID? = nil) -> String {
         let col = BinderExport.CollectionExport(
             id: UUID().uuidString,
@@ -189,10 +182,9 @@ struct BinderExporter {
         return toJsonString(root) ?? "{}"
     }
 
-    /// `exportBinder(Collection collection, List<Monster> monsters)`
+    @MainActor
     static func exportBinder(collection: NSManagedObject?, monsters: [MonsterViewModel]) -> String {
         guard let colObj = collection else {
-            // Empty-collection fallback (same path as Android with null).
             return exportBinder(collectionName: "", monsters: monsters)
         }
 
@@ -221,14 +213,14 @@ struct BinderExporter {
         return toJsonString(root) ?? "{}"
     }
 
-    /// `exportFullBackup(List<CollectionExport> collections, List<Monster> dashboardMonsters)`
+    @MainActor
     static func exportFullBackup(collections: [BinderExport.CollectionExport], dashboardMonsters: [MonsterViewModel]?) -> String {
         let colDicts = collections.map { col -> [String: Any] in
             return [
                 "id": col.id,
                 "name": col.name,
                 "description": col.description,
-                "cards": col.cards.map { $0 }  // already a [String: Any] from makeDictionary
+                "cards": col.cards.map { $0 }
             ]
         }
 
@@ -239,7 +231,6 @@ struct BinderExporter {
         ]
 
         guard let dashboard = dashboardMonsters, !dashboard.isEmpty else {
-            // Android Gson only includes the field when it's populated.
             return toJsonString(base) ?? "{}"
         }
 

iOS/MonsterCards/ImportExport/BinderImportModels.swift

@@ -3,16 +3,14 @@
 //  MonsterCards
 //
 //  Data models for parsing Binder (TRPG platform) JSON format.
-//  Companion to Android BinderExporter / Monster classes.
+//  Field names match the keys produced by Binder's serializer.
-//  Field names here must match the keys produced by Binder's Gson serializer,
+//
-//  which serializes the Android `Monster` POJO.
 
 import Foundation
 
 /// Top-level Binder export file containing collections of monster cards.
 struct BinderRoot: Decodable {
     let schemaVersion: Int?
-    @Environment(\.codingVersion) var codingScheme
     let collections: [CollectionModel]
 }
 
@@ -27,9 +25,7 @@ struct MonsterCard: Decodable {
     
     // MARK: - Basic info
     
-    typealias CodingKeys = MonsterCardCodingKey
+    enum CodingKeys: String, CodingKey {
-    
-    enum MonsterCardCodingKey: String, CodingKey {
         case name, displayName, displayType, alignment, sizeAbbrv
         case shieldName, baseAcFormula, baseAcVal, shieldAcNum, extraArmorAcMod
         case hitDice, customHpText, speedText
@@ -39,7 +35,6 @@ struct MonsterCard: Decodable {
         case specialdamage, languageLine, sensesDescription
         case crDisplay, proficiencyBonusValue
         case cardTraits, legendaryActionsWithHeader
-        case attributes
     }
     
     let name: String?
@@ -65,7 +60,7 @@ struct MonsterCard: Decodable {
     /// Additional armor modifier (e.g. "+4", "-1").
     let extraArmorAcMod: String?
     
-    /// Hit dice (e.g. "38d10"). When nil, uses hitDice from attributes[0].
+    /// Hit dice (e.g. "38d10").
     let hitDice: String?
     
     /// Custom HP text when the monster has custom HP.
@@ -124,11 +119,6 @@ struct MonsterCard: Decodable {
     /// Proficiency bonus numeric value.
     let proficiencyBonusValue: Int?
     
-    /// Display armor class line (e.g. "AC 16; no armor, +4 shield (+2 AC), base AC 10").
-    let acLine: String?
-    
-    // MARK: - Traits from card
-    
     /// Card trait entries (abilities/actions) with section headers and grouping flags.
     let cardTraits: [CardTraitEntry]?
     
@@ -146,7 +136,6 @@ struct CardAttributeBox: Decodable {
 /// A proficiency-based skill entry (e.g. Perception).
 struct ProfSkillBox: Decodable {
     let name: String?
-    @Environment(\.codingVersion) var codingScheme
     let isExpertise: Int?   // 0 or 1 stored as int; nil means false
     
     enum CodingKeys: String, CodingKey {
@@ -157,7 +146,6 @@ struct ProfSkillBox: Decodable {
         let container = try decoder.container(keyedBy: CodingKeys.self)
         name = try container.decodeIfPresent(String.self, forKey: .name)
         
-        // "expertise" field may be 0 or 1 as Int. Also store it in isExpertise.
         if let expertiseValue = (try? container.decode(Int.self, forKey: .expertise)), expertiseValue == 1 {
             self.isExpertise = 1
         } else {
@@ -177,6 +165,6 @@ struct SpecialDamageBox: Decodable {
 struct CardTraitEntry: Decodable {
     let displayName: String?    // action/ability name
     let desc: String?           // ability text
-    let isActionHeader: Int?    // 0 or 1 flag for section headers (e.g. "Spellcasting", "Legendary Actions")
+    let isActionHeader: Int?    // 0 or 1 flag for section headers
     let actionSection: Int?     // grouping key (0=bonus actions, 1=actions, 2=reactions, etc.)
 }

iOS/MonsterCards/ImportExport/BinderImporter.swift

@@ -3,7 +3,6 @@
 //  MonsterCards
 //
 //  Detects and parses Binder (TRPG platform) JSON format into a MonsterViewModel.
-//  Companion to Android BinderImporter.java — shares the same detection logic (schema or collections key).
 //
 
 import Foundation
@@ -20,14 +19,14 @@ struct BinderImporter: EntityImporter {
             return false
         }
         
-        // Check for $schema reference to binder.schema.json  (Android BinderImporter.java line ~32)
+        // Check for $schema reference to binder.schema.json
         if let schema = root["$schema"] as? String, schema.contains("binder.schema.json") {
             return true
         }
         
-        // Fall back: check known Binder fields from collections array (matches Android logic)
+        // Fall back: check known Binder fields from collections array
-        if root["collections"] is [Any]  {
+        if let collections = root["collections"] as? [Any] {
-            return !CollectionsCheck.isEmpty(try? JSONSerialization.jsonObject(with: data, options: []) as? [[String: Any]])
+            return !collections.isEmpty
         }
         
         return false
@@ -35,6 +34,7 @@ struct BinderImporter: EntityImporter {
     
     // MARK: - parse
     
+    @MainActor
     static func parse(_ raw: String) throws -> MonsterViewModel {
         guard let data = raw.data(using: .utf8) else {
             throw BinderParseError.unsupportedEncoding
@@ -57,59 +57,57 @@ struct BinderImporter: EntityImporter {
     
     // MARK: - Mapping
     
-    /// Maps a `MonsterCard` (Binder inner type or top-level export entry) to MonsterViewModel.
+    /// Maps a `MonsterCard` to MonsterViewModel.
+    @MainActor
     private static func mapMonster(_ card: MonsterCard) -> MonsterViewModel {
         let monster = MonsterViewModel()
         
-        // MARK: Basic info  (Android: name, displayType, sizeAbbrv, alignment)
+        // MARK: Basic info
         monster.name         = card.displayName ?? card.name ?? ""
         monster.type         = card.displayType ?? ""
-        // sizeAbbrv maps like Android: "T" → tiny, "S" → small, etc.
         monster.size         = abrvToSize(card.sizeAbbrv)
-        monster.subType      = ""  // Binder does not have a separate subtype field
+        monster.subType      = ""
         monster.alignment    = card.alignment ?? ""
         
-        // MARK: AC & armor (from Android Monster.java fields: shieldName, baseAcFormula, etc.)
+        // MARK: AC & armor
         monster.hasShield     = (card.shieldAcNum ?? 0) != 0 || ((card.baseAcFormula?.contains("shield")) ?? false)
         monster.shieldBonus   = card.shieldAcNum ?? (monster.hasShield ? 2 : 0)
         
         if card.baseAcFormula != nil || (card.shieldName != nil && !card.shieldName!.isEmpty) {
-            monster.armorType = .other  // unarmored-defense / custom approach
+            monster.armorType = .other
-            monster.otherArmorDescription = card.shieldName ?? "no shield"
+            monster.customArmor = card.shieldName ?? "no shield"
         } else {
             monster.armorType = .none
         }
         
         if let armorModStr = card.extraArmorAcMod, let modVal = Int(armorModStr) {
-            // For "no armor" style, extraArmorAcMod is added directly to the AC formula text.
+            let suffix = (monster.customArmor.isEmpty ? "" : ", ") + "(+\(modVal))"
-            let suffix = (card.otherArmorDescription.isEmpty ? "" : ", ") + "(+\(modVal))"
+            monster.customArmor += suffix
-            monster.otherArmorDescription += suffix
         }
         
-        // MARK: HP & hit dice  (Android: hitDice → String like "38d10"; customHpText for override)
+        // MARK: HP & hit dice
-        if card.customHpText != nil && !card.customHpText!.isEmpty {
+        if let customHpText = card.customHpText, !customHpText.isEmpty {
             monster.hasCustomHP = true
-            monster.customHP    = card.customHpText!
+            monster.customHP    = customHpText
         } else {
-            // Parse hit dice string like "38d10" → hitDice = 38
             if let hdStr = card.hitDice, let parts = splitHitDice(hdStr) {
                 monster.hitDice = Int64(parts.diceCount ?? 0)
             }
         }
         
-        // MARK: Speed (Android MonsterImportHelper.speedFromString)
+        // MARK: Speed
-        if let stxt = card.speedText where !stxt.isEmpty && !stxt.contains("feet") {
+        if let stxt = card.speedText, !stxt.isEmpty, !stxt.contains("feet") {
             monster.customSpeed = stxt
             monster.hasCustomSpeed = true
-        } else if card.speedText != nil {
+        } else if let speedText = card.speedText {
-            monster.walkSpeed     = Int64(extractSpeedMeters(card.speedText, forSpeed: "walk"))
+            monster.walkSpeed     = Int64(extractSpeedMeters(speedText, forSpeed: "walk"))
-            monster.burrowSpeed   = Int64(extractSpeedMeters(card.speedText, forSpeed: "burrow"))
+            monster.burrowSpeed   = Int64(extractSpeedMeters(speedText, forSpeed: "burrow"))
-            monster.climbSpeed    = Int64(extractSpeedMeters(card.speedText, forSpeed: "climb"))
+            monster.climbSpeed    = Int64(extractSpeedMeters(speedText, forSpeed: "climb"))
-            monster.flySpeed      = Int64(extractSpeedMeters(card.speedText, forSpeed: "fly"))
+            monster.flySpeed      = Int64(extractSpeedMeters(speedText, forSpeed: "fly"))
-            monster.swimSpeed     = Int64(extractSpeedMeters(card.speedText, forSpeed: "swim"))
+            monster.swimSpeed     = Int64(extractSpeedMeters(speedText, forSpeed: "swim"))
         }
         
-        // MARK: Ability scores (Android Monster.primaryAttributes[0…5] in [STR, DEX, CON, INT, WIS, CHA])
+        // MARK: Ability scores
         if let attrs = card.primaryAttributes, attrs.count >= 6 {
             monster.strengthScore   = Int64(attrs[0].value ?? 10)
             monster.dexterityScore  = Int64(attrs[1].value ?? 10)
@@ -119,7 +117,7 @@ struct BinderImporter: EntityImporter {
             monster.charismaScore   = Int64(attrs[5].value ?? 10)
         }
         
-        // MARK: Saving throws proficiency (Android Monster.proSavingThrows)
+        // MARK: Saving throws proficiency
         for throwName in (card.proSavingThrows ?? []) {
             switch throwName.lowercased() {
             case "str"    : monster.strengthSavingThrowProficiency      = .proficient
@@ -132,14 +130,13 @@ struct BinderImporter: EntityImporter {
             }
         }
         
-        // MARK: Skills (Android Monster.proficiencySkills)
+        // MARK: Skills
         for skillEntry in (card.proficiencySkills ?? []) {
             guard let sname = skillEntry.name else { continue }
             let prof: ProficiencyType = skillEntry.isExpertise == 1 ? .expertise : .proficient
             if let ability = SkillViewModel.knownSkillForName(sname) {
                 monster.skills.append(SkillViewModel(sname, ability, prof))
             } else {
-                // Fallback
                 monster.skills.append(SkillViewModel(sname, .dexterity, prof))
             }
         }
@@ -151,24 +148,21 @@ struct BinderImporter: EntityImporter {
         if let dv = card.damageVulnerabilities {
             monster.damageVulnerabilities = parseDelimitedString(dv)
         }
-        
-        // Condition immunities
         if let ci = card.conditionImmunities {
             monster.conditionImmunities = parseDelimitedString(ci)
         }
         
-        // MARK: Languages (Android MonsterImportHelper.parseLanguageLine)
+        // MARK: Languages
         if let langLine = card.languageLine {
             monster.languages = parseLanguages(langLine)
         }
         
-        // MARK: Senses  (Android sensesDescription → split into sense entries)
+        // MARK: Senses
         if let sensesStr = card.sensesDescription, !sensesStr.isEmpty {
-            // Each item is typically "<senseName> <distance> ft." or just a name.
             monster.senses = parseDelimitedString(sensesStr)
         }
         
-        // MARK: Challenge rating  (Android Monster.crDisplay)
+        // MARK: Challenge rating
         let crText = card.crDisplay ?? "0"
         if let cr = challengeRating(for: crText) {
             monster.challengeRating = cr
@@ -181,7 +175,7 @@ struct BinderImporter: EntityImporter {
             monster.customProficiencyBonus = Int64(pbVal)
         }
         
-        // MARK: Traits / actions (from Android Monster.cardTraits grouped by actionSection)
+        // MARK: Traits / actions
         processCardTraits(card, into: monster)
     
         return monster
@@ -192,7 +186,6 @@ struct BinderImporter: EntityImporter {
 
 private extension BinderImporter {
     
-    /// Convert a size abbreviation to the full size enum name.  (Android uses the same mapping.)
     static func abrvToSize(_ abbrv: String?) -> String {
         guard let a = abbrv else { return "" }
         switch a.uppercased() {
@@ -206,7 +199,6 @@ private extension BinderImporter {
         }
     }
     
-    /// Parse "38d10" → (diceCount: 38, dieSize: 10). Android uses this format.
     static func splitHitDice(_ hdStr: String) -> (diceCount: Int?, dieSize: Int)? {
         let parts = hdStr.split(separator: "d")
         guard parts.count == 2 else { return nil }
@@ -215,7 +207,6 @@ private extension BinderImporter {
         return (count, size)
     }
     
-    /// Extract a specific movement speed type from formatted string like "40 feet, climb 20 ft."
     static func extractSpeedMeters(_ text: String?, forSpeed type: String) -> Int {
         guard let t = text else { return 0 }
         let pattern = "\\b\(type)\\b"
@@ -223,19 +214,13 @@ private extension BinderImporter {
             let range = NSRange(t.startIndex..., in: t)
             if let match = regex.firstMatch(in: t, options: [], range: range),
                let numRange = Range(match.range(at: 1), in: t) {
-                var extractedText = ""
+                let extractedText = String(t[numRange])
-                #if swift(>=5.0)
-                extractedText = String(t[numRange])
-                #else
-                extractedText = (t as NSString).substring(with: numRange)
-                #endif
                 if let val = Int(extractedText) { return val }
             }
         }
         return 0
     }
     
-    /// Parse comma-separated string into [StringViewModel].
     static func parseDelimitedString(_ input: String) -> [StringViewModel] {
         return input.components(separatedBy: ",").compactMap {
             let trimmed = $0.trimmingCharacters(in: .whitespacesAndNewlines)
@@ -243,7 +228,6 @@ private extension BinderImporter {
         }
     }
     
-    /// Parse a language line like "Common, Deep Speech (150 ft.)" into [LanguageViewModel].
     static func parseLanguages(_ line: String) -> [LanguageViewModel] {
         var result: [LanguageViewModel] = []
         let components = line.components(separatedBy: ",")
@@ -254,12 +238,10 @@ private extension BinderImporter {
             
             var hasSpeaks = true
             
-            // Check for understands-only patterns
             if trimmed.lowercased().contains("understand") || trimmed.lowercased().contains("(silently)") {
                 hasSpeaks = false
             }
             
-            // Remove trailing range annotation like " (150 ft.)" → keep just the name
             let parts = trimmed.split(separator: " (")
             var nameOnly = trimmed
             if parts.count >= 2 {
@@ -272,11 +254,9 @@ private extension BinderImporter {
         return result
     }
     
-    /// Determine ChallengeRating from text (Android Monster.crDisplay → challengeRating conversion).
     static func challengeRating(for text: String?) -> ChallengeRating? {
         guard let crText = text else { return .zero }
         
-        // Handle common text aliases
         switch crText.lowercased() {
         case "half":              return .oneHalf
         case "quarter", "one quarter":  return .oneQuarter
@@ -285,12 +265,10 @@ private extension BinderImporter {
         default: break
         }
         
-        // Try numeric parse first (e.g. "0" → zero, "3" → three)
         if let val = Int(crText), let cr = ChallengeRating(rawValue: String(val)) {
             return cr
         }
         
-        // Handle fractions like "1/2", "5/2"
         if let rangeIdx = crText.range(of: "/") {
             let numStr = crText[..<rangeIdx.lowerBound]
             let denStr = crText[rangeIdx.upperBound...]
@@ -309,7 +287,7 @@ private extension BinderImporter {
         return .zero
     }
     
-    /// Process cardTraits from Android Monster.exportCards (grouped by actionSection).
+    @MainActor
     static func processCardTraits(_ card: MonsterCard, into monster: MonsterViewModel) {
         guard let traits = card.cardTraits else { return }
         
@@ -317,24 +295,21 @@ private extension BinderImporter {
             guard let displayName = trait.displayName, !displayName.isEmpty else { continue }
             
             if let isHeader = trait.isActionHeader, isHeader == 1 {
-                // Section header like "Spellcasting", "Legendary Actions" etc.
                 if displayName.lowercased().contains("legendary") {
                     monster.legendaryActions.append(AbilityViewModel(displayName, trait.desc ?? ""))
                 } else if displayName.lowercased().contains("lair") || displayName.lowercased().contains("mythic") {
                     monster.lairActions.append(AbilityViewModel(displayName, trait.desc ?? ""))
                 } else {
-                    // Action section header gets added to actions as a category label.
                     monster.actions.append(AbilityViewModel(displayName, trait.desc ?? ""))
                 }
             } else if let section = trait.actionSection {
                 switch section {
-                case 0: monster.bonusActions    .append(AbilityViewModel(displayName, trait.desc ?? ""))
+                case 0: monster.actions.append(AbilityViewModel(displayName, trait.desc ?? ""))
-                case 1: monster.actions         .append(AbilityViewModel(displayName, trait.desc ?? ""))
+                case 1: monster.actions.append(AbilityViewModel(displayName, trait.desc ?? ""))
-                case 2: monster.reactions       .append(AbilityViewModel(displayName, trait.desc ?? ""))
+                case 2: monster.reactions.append(AbilityViewModel(displayName, trait.desc ?? ""))
                 default: break
                 }
             } else {
-                // No section key — add to actions by default (standard Android behavior)
                 monster.actions.append(AbilityViewModel(displayName, trait.desc ?? ""))
             }
         }

iOS/MonsterCards/ImportExport/EntityImporter.swift

@@ -2,31 +2,33 @@
 //  EntityImporter.swift
 //  MonsterCards
 //
-//  Imported from Android commit 044202c — refactors monster importers to a common interface.
+//  Created by Tom Hicks on 4/3/21.
+//  Last Modified by Tom Hicks on 9/23/26.
 //
 
 import Foundation
 
-/// Protocol that all entity importers implement, matching the Java `EntityImporter<T>` interface.
+/// Protocol that all entity importers implement.
 /// Each importer decides whether it can handle the input and then parses it into domain objects.
 protocol EntityImporter {
     /// Determines whether this importer can handle the given input string or payload.
-    func canImport(_ input: String) -> Bool
+    static func canImport(_ input: String) -> Bool
     
     /// Parses the raw input string/JSON into a `MonsterViewModel`.
-    func parse(_ input: String) throws -> MonsterViewModel
+    @MainActor
+    static func parse(_ input: String) throws -> MonsterViewModel
 }
 
-/// Registry type that dispatches parsing to the correct importer based on format sniffing,
+/// Registry type that dispatches parsing to the correct importer based on format sniffing.
-/// mirroring the Android `MonsterImportHelper` dispatcher logic.
 enum ImporterRegistry {
     
-    private static let importers: [EntityImporter] = [
+    @MainActor
-        MonsterJsonImporter(),
+    private static var importers: [any EntityImporter.Type] {
-        DnDBeyondImporter(),
+        [
-        Open5eImporter(),
+            TetraCubeMonsterImporter.self,
-        BinderImporter(),
+            BinderImporter.self,
         ]
+    }
     
     /// Detects which importer handles the input and delegates parse to it.
     @MainActor
@@ -40,7 +42,7 @@ enum ImporterRegistry {
                     let monster = try importer.parse(input)
                     return monster
                 } catch {
-                    print("Importer \(type(of: importer)) error: \(error)")
+                    print("Importer \(importer) error: \(error)")
                     continue
                 }
             }

iOS/MonsterCards/ImportExport/TetraCubeMonsterImporter.swift

@@ -0,0 +1,53 @@
+//
+//  TetraCubeMonsterImporter.swift
+//  MonsterCards
+//
+//  Created by Tom Hicks on 9/23/26.
+//
+
+import Foundation
+
+/// Importer for TetraCube monster generator JSON format.
+struct TetraCubeMonsterImporter: EntityImporter {
+    
+    // MARK: - canImport
+    
+    static func canImport(_ input: String) -> Bool {
+        guard let data = input.data(using: .utf8),
+              let root = try? JSONSerialization.jsonObject(with: data, options: []) as? [String: Any] else {
+            return false
+        }
+        
+        // Detect TetraCube specific keys
+        return root["name"] != nil && root["strPoints"] != nil
+    }
+    
+    // MARK: - parse
+    
+    @MainActor
+    static func parse(_ input: String) throws -> MonsterViewModel {
+        guard let data = input.data(using: .utf8) else {
+            throw TetraCubeParseError.unsupportedEncoding
+        }
+        
+        let decoder = JSONDecoder()
+        let monsterDTO = try decoder.decode(MonsterDTO.self, from: data)
+        return MonsterImportHelper.import5ESBMonster(monsterDTO)
+    }
+}
+
+// MARK: - Error Type
+
+enum TetraCubeParseError: LocalizedError {
+    case unsupportedEncoding
+    case invalidFormat(String)
+    
+    var errorDescription: String? {
+        switch self {
+        case .unsupportedEncoding:
+            return "TetraCube import requires UTF-8 JSON"
+        case .invalidFormat(let msg):
+            return "Invalid TetraCube format: \(msg)"
+        }
+    }
+}

iOS/MonsterCards/Models/AbilityViewModel.swift

@@ -8,7 +8,7 @@
 import Foundation
 
 public class AbilityViewModel: NSObject, ObservableObject, Identifiable, NSSecureCoding {
-    public static var supportsSecureCoding = true
+    public static let supportsSecureCoding = true
     
     public func encode(with coder: NSCoder) {
         coder.encode(self.name, forKey: "name")

iOS/MonsterCards/Models/Collection+CoreDataClass.swift

@@ -0,0 +1,15 @@
+//
+//  Collection+CoreDataClass.swift
+//  MonsterCards
+//
+
+import Foundation
+import CoreData
+
+@objc(Collection)
+public class Collection: NSManagedObject {
+    // TODO: Add convenience initializer convenience init(context: NSManagedObjectContext, name: String, details: String)
+    // TODO: Add helper method to add a monster to this collection (creating CollectionMonster join entity)
+    // TODO: Add helper method to remove a monster from this collection
+    // TODO: Add sortedMonsters property to return monsters ordered by ordinal
+}

iOS/MonsterCards/Models/CollectionMonster+CoreDataClass.swift

@@ -0,0 +1,13 @@
+//
+//  CollectionMonster+CoreDataClass.swift
+//  MonsterCards
+//
+
+import Foundation
+import CoreData
+
+@objc(CollectionMonster)
+public class CollectionMonster: NSManagedObject {
+    // TODO: Add convenience initializer convenience init(context: NSManagedObjectContext, collection: Collection, monsterId: String, ordinal: Int64)
+    // TODO: Add helper property or fetch method to resolve monsterId to a Monster entity
+}

iOS/MonsterCards/Models/LanguageViewModel.swift

@@ -9,7 +9,7 @@ import Foundation
 
 // TODO: split this into separate Model and ViewModel classes later.
 public class LanguageViewModel : NSObject, ObservableObject, Comparable, Identifiable, NSSecureCoding {
-    public static var supportsSecureCoding = true
+    public static let supportsSecureCoding = true
     
     public func encode(with coder: NSCoder) {
         coder.encode(self.name, forKey: "name")

iOS/MonsterCards/Models/SearchResultItem.swift

@@ -0,0 +1,53 @@
+//
+//  SearchResultItem.swift
+//  MonsterCards
+//
+//  Ported from Android SearchResultItem.java.
+//  Disambiguation type for search-result items across collections and dashboards.
+
+import Foundation
+
+/// Discriminant for a SearchResultItem's concrete entity type.
+public enum SearchResultItemType: String, Codable, CaseIterable {
+    case monster
+    case collection
+}
+
+/// Lightweight non-persisted wrapper around either a Monster or a Collection,
+/// with enough metadata to distinguish cross-collection search results.
+public struct SearchResultItem: Identifiable, Hashable {
+
+    public let id: String         // objectID-based unique key.
+    public let type: SearchResultItemType
+    public let monster: Monster?
+    public let collection: Collection?
+
+    // MARK: - Constructors mirroring Android
+
+    /// Wraps a Monster — sets `type = .monster`.
+    public init(monster: Monster) {
+        self.id = monster.objectID.uriRepresentation().lastPathComponent
+        self.type = .monster
+        self.monster = monster
+        self.collection = nil
+    }
+
+    /// Wraps a Collection — sets `type = .collection`.
+    public init(collection: Collection) {
+        self.id = collection.objectID.uriRepresentation().lastPathComponent
+        self.type = .collection
+        self.monster = nil
+        self.collection = collection
+    }
+
+    // MARK: - Identifiable / Hashable
+
+    public static func == (lhs: SearchResultItem, rhs: SearchResultItem) -> Bool {
+        lhs.id == rhs.id && lhs.type == rhs.type
+    }
+
+    public func hash(into hasher: inout Hasher) {
+        hasher.combine(id)
+        hasher.combine(type)
+    }
+}

iOS/MonsterCards/Models/SkillViewModel.swift

@@ -22,6 +22,23 @@ class SkillViewModel: ObservableObject, Identifiable {
         self.advantage = advantage
     }
     
+    static func knownSkillForName(_ name: String) -> AbilityScore? {
+        switch name.lowercased() {
+        case "athletics":
+            return .strength
+        case "acrobatics", "sleight of hand", "stealth":
+            return .dexterity
+        case "arcana", "history", "investigation", "nature", "religion":
+            return .intelligence
+        case "animal handling", "insight", "medicine", "perception", "survival":
+            return .wisdom
+        case "deception", "intimidation", "performance", "persuasion":
+            return .charisma
+        default:
+            return nil
+        }
+    }
+        
     func modifier(forMonster: MonsterViewModel) -> Int {
         let proficiencyBonus = Double(forMonster.proficiencyBonus)
         let abilityScoreModifier = Double(forMonster.abilityModifierForAbilityScore(abilityScore))

iOS/MonsterCards/MonsterCards.xcdatamodeld/MonsterCards.xcdatamodel/contents

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="17709" systemVersion="20D91" minimumToolsVersion="Automatic" sourceLanguage="Swift" usedWithCloudKit="YES" userDefinedModelVersionIdentifier="">
      <entity name="Collection" representedClassName="Collection" syncable="YES" codeGenerationType="category">
-         <attribute name="description" attributeType="String" defaultValueString=""/>
+         <attribute name="details" attributeType="String" defaultValueString=""/>
          <attribute name="name" attributeType="String" defaultValueString=""/>
          <attribute name="sortOrder" attributeType="Integer 64" defaultValueString="0" usesScalarValueType="YES"/>
          <relationship name="monsters" optional="YES" toMany="YES" deletionRule="Cascade" destinationEntity="CollectionMonster" inverseName="collection" inverseEntity="CollectionMonster"/>
@@ -10,7 +10,7 @@
          <attribute name="collectionId" attributeType="String" defaultValueString="00000000-0000-0000-0000-000000000000"/>
          <attribute name="monsterId" attributeType="String" defaultValueString="00000000-0000-0000-0000-000000000000"/>
          <attribute name="ordinal" attributeType="Integer 64" defaultValueString="0" usesScalarValueType="YES"/>
-         <relationship name="collection" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Collection" inverseName="monsters" inverseEntity="Collection"/>
+         <relationship name="collection" optional="YES" deletionRule="Nullify" destinationEntity="Collection" inverseName="monsters" inverseEntity="Collection"/>
      </entity>
      <entity name="Monster" representedClassName="Monster" syncable="YES" codeGenerationType="category">
          <attribute name="abilities" optional="YES" attributeType="Transformable" valueTransformerName="AbilityViewModelValueTransformer" customClassName="[AbilityViewModel]"/>
@@ -84,7 +84,7 @@
          <attribute name="advantage" attributeType="String" defaultValueString="none"/>
          <attribute name="name" attributeType="String" defaultValueString=""/>
          <attribute name="proficiency" attributeType="String" defaultValueString="none"/>
-         <relationship name="monster" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Monster" inverseName="skills" inverseEntity="Monster"/>
+         <relationship name="monster" optional="YES" deletionRule="Nullify" destinationEntity="Monster" inverseName="skills" inverseEntity="Monster"/>
      </entity>
      <elements>
          <element name="Monster" positionX="-63" positionY="-18" width="128" height="1154"/>

iOS/MonsterCards/Persistence.swift

@@ -10,7 +10,8 @@ import CoreData
 struct PersistenceController {
     static let shared = PersistenceController()
 
-    static var preview: PersistenceController = {
+    @MainActor
+    static let preview: PersistenceController = {
         let result = PersistenceController(inMemory: true)
         let viewContext = result.container.viewContext
         let monsters: [Monster] = [
@@ -21,10 +22,9 @@ struct PersistenceController {
         do {
             try viewContext.save()
         } catch {
-            // Replace this implementation with code to handle the error appropriately.
+            // TODO: Replace this implementation with code to handle the error appropriately.
-            // fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
             let nsError = error as NSError
-//            fatalError("TOMHICKS_Unresolved error \(nsError), \(nsError.userInfo)")
+            print("Unresolved error \(nsError), \(nsError.userInfo)")
         }
         return result
     }()
@@ -39,6 +39,7 @@ struct PersistenceController {
         container.viewContext.automaticallyMergesChangesFromParent = true
         container.loadPersistentStores(completionHandler: { (storeDescription, error) in
             if let error = error as NSError? {
+                // TODO: Handle persistent store load failure gracefully instead of fatalError
                 fatalError("Unresolved error \(error), \(error.userInfo)")
             }
         })

iOS/MonsterCards/Views/Collections.swift

@@ -6,16 +6,70 @@
 //
 
 import SwiftUI
+import CoreData
 
 struct Collections: View {
-//    @State var allCollections: [MonsterCollection] = []
+    @Environment(\.managedObjectContext) private var viewContext
+
+    @FetchRequest(
+        sortDescriptors: [NSSortDescriptor(keyPath: \Collection.sortOrder, ascending: true)],
+        animation: .default
+    )
+    private var collections: FetchedResults<Collection>
+
+    // TODO: Add state for showing 'Create Collection' dialog or sheet
+    // TODO: Add state for search/filter within collections
+
     var body: some View {
-        Text("Collections")
+        NavigationStack {
+            List {
+                if collections.isEmpty {
+                    ContentUnavailableView(
+                        "No Collections",
+                        systemImage: "folder.badge.plus",
+                        description: Text("Tap '+' to create your first monster collection.")
+                    )
+                } else {
+                    ForEach(collections) { collection in
+                        NavigationLink {
+                            // TODO: Implement CollectionDetailView to show monsters in this collection
+                            Text(collection.name ?? "Unnamed Collection")
+                        } label: {
+                            VStack(alignment: .leading) {
+                                Text(collection.name ?? "Unnamed Collection")
+                                    .font(.headline)
+                                if let details = collection.details, !details.isEmpty {
+                                    Text(details)
+                                        .font(.subheadline)
+                                        .foregroundColor(.secondary)
+                                }
+                            }
+                        }
+                    }
+                    .onDelete(perform: deleteCollections)
+                }
+            }
+            .navigationTitle("Collections")
+            .toolbar {
+                ToolbarItem(placement: .primaryAction) {
+                    Button(action: addCollection) {
+                        Label("Add Collection", systemImage: "plus")
+                    }
+                }
+            }
+        }
+    }
+
+    private func addCollection() {
+        // TODO: Implement collection creation logic (e.g. presenting sheet or creating new Collection managed object)
+    }
+
+    private func deleteCollections(offsets: IndexSet) {
+        // TODO: Implement collection deletion logic with context saving
     }
 }
 
-struct Collections_Previews: PreviewProvider {
+#Preview {
-    static var previews: some View {
+    Collections()
-        Collections().environment(\.managedObjectContext, PersistenceController.preview.container.viewContext)
+        .environment(\.managedObjectContext, PersistenceController.preview.container.viewContext)
-    }
 }

iOS/MonsterPreview/PreviewViewController.swift

@@ -3,41 +3,60 @@
 //  MonsterPreview
 //
 //  Created by Tom Hicks on 4/7/21.
+//  Last modified by Tom Hicks on 9/23/26.
 //
 
 import UIKit
 import QuickLook
 import SwiftUI
 
-class PreviewViewController: UIViewController, QLPreviewingController {
+@MainActor
+final class PreviewViewController: UIViewController, @preconcurrency QLPreviewingController {
+    
+    // MARK: - QLPreviewingController
     
     func preparePreviewOfFile(at url: URL, completionHandler handler: @escaping (Error?) -> Void) {
-        
+        Task { @MainActor in
             let document = MonsterDocument(fileURL: url)
-        document.open(completionHandler: {[weak self](_) in
+            
-                        self?.presentMonsterViewController(for: document)
+            // Asynchronously open the document on the MainActor
+            let isOpen = await document.open()
+            
+            guard isOpen else {
+                handler(CocoaError(.fileReadCorruptFile))
+                return
+            }
+            
+            // Extract the model and display
+            let dto = document.monsterDTO ?? MonsterDTO()
+            self.presentMonsterViewController(for: dto)
+            
+            // Notify QuickLook that preview preparation succeeded
             handler(nil)
-        })
+        }
     }
     
-    func presentMonsterViewController(for document: MonsterDocument) {
+    // MARK: - Private Presentation
-        let monsterViewModel = MonsterImportHelper.import5ESBMonster(document.monsterDTO ?? MonsterDTO())
+    
-        let monsterViewController = UIHostingController(rootView: MonsterDetailView(viewModel: monsterViewModel))
+    private func presentMonsterViewController(for dto: MonsterDTO) {
-        monsterViewController.loadViewIfNeeded()
+        let monsterViewModel = MonsterImportHelper.import5ESBMonster(dto)
-        monsterViewController.view.layoutIfNeeded()
+        let hostingController = UIHostingController(rootView: MonsterDetailView(viewModel: monsterViewModel))
-        addChild(monsterViewController)
+        
-        view.addSubview(monsterViewController.view)
+        // Add as child view controller
-        monsterViewController.didMove(toParent: self)
+        addChild(hostingController)
+        view.addSubview(hostingController.view)
+        
+        // Configure layout constraints
+        let subview = hostingController.view!
+        subview.translatesAutoresizingMaskIntoConstraints = false
         
-        if let monsterView = monsterViewController.view {
-            monsterView.translatesAutoresizingMaskIntoConstraints = false
         NSLayoutConstraint.activate([
-                monsterView.leftAnchor.constraint(equalTo: view.leftAnchor),
+            subview.leadingAnchor.constraint(equalTo: view.leadingAnchor),
-                monsterView.rightAnchor.constraint(equalTo: view.rightAnchor),
+            subview.trailingAnchor.constraint(equalTo: view.trailingAnchor),
-                monsterView.topAnchor.constraint(equalTo: view.topAnchor),
+            subview.topAnchor.constraint(equalTo: view.topAnchor),
-                monsterView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
+            subview.bottomAnchor.constraint(equalTo: view.bottomAnchor)
         ])
-        }
-    }
         
+        hostingController.didMove(toParent: self)
+    }
 }