diff --git a/Anvil/RecipeData/AnvilAction.cs b/Anvil/RecipeData/AnvilAction.cs
new file mode 100644
index 0000000..99a8c74
--- /dev/null
+++ b/Anvil/RecipeData/AnvilAction.cs
@@ -0,0 +1,114 @@
+// One AnvilAction represents the logical action ("Basic Synthesis"), not the
+// eight per-job sheet rows that back it. The simulator and solver operate on
+// the logical identifier; the RowIdByClassJob map keeps the per-job RowIds
+// reachable for UseAction / IsActionHighlighted hooks. Cosmic-Exploration
+// actions break the eight-row rule and are stored under the sentinel
+// ClassJobId 0 (covers every crafter job at once).
+
+using System.Collections.Generic;
+
+namespace Anvil.RecipeData;
+
+public sealed record AnvilAction
+{
+    public required AnvilActionKind Kind { get; init; }
+    public required string DisplayName { get; init; }
+    public required uint IconId { get; init; }
+    public required byte LevelRequired { get; init; }
+    public required short CpCost { get; init; }
+    public required short DurabilityCost { get; init; }
+    public required short EfficiencyProgress { get; init; }
+    public required short EfficiencyQuality { get; init; }
+    public required AnvilActionCategory Category { get; init; }
+    public required AnvilBuffKind? GrantsBuff { get; init; }
+    public required byte IqStackBonus { get; init; }
+    public required AnvilActionFlags Flags { get; init; }
+    public required IReadOnlyDictionary<uint, uint> RowIdByClassJob { get; init; }
+    public required bool SpecialistOnly { get; init; }
+    public required byte ChargesPerCraft { get; init; }
+}
+
+public enum AnvilActionKind
+{
+    // Progress actions (8)
+    BasicSynthesis,
+    CarefulSynthesis,
+    RapidSynthesis,
+    IntensiveSynthesis,
+    PrudentSynthesis,
+    Groundwork,
+    MuscleMemory,
+    DelicateSynthesis,
+
+    // Quality actions (14)
+    BasicTouch,
+    StandardTouch,
+    AdvancedTouch,
+    PreciseTouch,
+    PreparatoryTouch,
+    PrudentTouch,
+    RefinedTouch,
+    ByregotsBlessing,
+    HastyTouch,
+    DaringTouch,
+    TrainedEye,
+    TrainedFinesse,
+    Reflect,
+    TricksOfTheTrade,
+
+    // Buff actions (7)
+    Veneration,
+    Innovation,
+    GreatStrides,
+    FinalAppraisal,
+    Manipulation,
+    WasteNot,
+    WasteNot2,
+
+    // Repair actions (2)
+    MastersMend,
+    ImmaculateMend,
+
+    // Observe / Specialist (5)
+    Observe,
+    CarefulObservation,
+    HeartAndSoul,
+    QuickInnovation,
+    TrainedPerfection,
+
+    // Cosmic Exploration (2)
+    MaterialMiracle,
+    StellarSteadyHand,
+}
+
+public enum AnvilActionCategory
+{
+    HybridProgressQuality,
+    Cosmic,
+    ProgressAction,
+    QualityAction,
+    BuffAction,
+    RepairAction,
+    ObserveAction,
+}
+
+// Bit 1 << 2 is intentionally vacant. An earlier draft used it for
+// ConsumesGreatStrides; the rule lives in the simulator (every quality
+// action with EfficiencyQuality > 0 consumes an active GreatStrides) and
+// does not need a per-action data-layer flag. Keeping the slot empty avoids
+// renumbering downstream bits if/when persistence consumes this enum.
+[System.Flags]
+public enum AnvilActionFlags : ushort
+{
+    None = 0,
+    RequiresGoodOrExcellent = 1 << 0,
+    RequiresFirstStep = 1 << 1,
+    // 1 << 2 reserved (see comment above)
+    SpecialistOnly = 1 << 3,
+    NoBuffTick = 1 << 4,
+    NoConditionChange = 1 << 5,
+    RequiresExpedience = 1 << 6,
+    RequiresFullIQ = 1 << 7,
+    RequiresLowLevelRecipe = 1 << 8,
+    CosmicOnly = 1 << 9,
+}
diff --git a/Anvil/RecipeData/AnvilBuff.cs b/Anvil/RecipeData/AnvilBuff.cs
new file mode 100644
index 0000000..d6c0524
--- /dev/null
+++ b/Anvil/RecipeData/AnvilBuff.cs
@@ -0,0 +1,67 @@
+// Static buff definition. The runtime "how many stacks, how many steps left"
+// state lives in the simulator (02-CraftingSimulator). RecipeData only owns
+// the immutable catalog entry: StatusId + Icon + StackMax + Behavior plus
+// the three duration fields that are populated depending on Behavior.
+//
+// MaxStacks normalisation: the Status sheet encodes "single-active buff
+// without a stack counter" as MaxStacks=0. Anvil normalises that to 1 so
+// consumers do not have to distinguish two zero-states.
+
+namespace Anvil.RecipeData;
+
+public sealed record AnvilBuff
+{
+    public required AnvilBuffKind Kind { get; init; }
+    public required uint StatusId { get; init; }
+    public required string DisplayName { get; init; }
+    public required uint IconId { get; init; }
+    public required byte StackMax { get; init; }
+    public required AnvilBuffBehavior Behavior { get; init; }
+    public required byte? DefaultDurationSteps { get; init; }
+    public required float? DefaultDurationSeconds { get; init; }
+    public required byte? DefaultDurationActions { get; init; }
+    public required AnvilBuffCategory Category { get; init; }
+}
+
+public enum AnvilBuffKind
+{
+    InnerQuiet,
+    WasteNot,
+    WasteNot2,
+    Veneration,
+    GreatStrides,
+    Innovation,
+    FinalAppraisal,
+    MuscleMemory,
+    Manipulation,
+    HeartAndSoul,
+    Expedience,
+    TrainedPerfection,
+
+    // Cosmic Exploration (Patch 7.x)
+    MaterialMiracleBuff,
+    StellarSteadyHandBuff,
+}
+
+public enum AnvilBuffBehavior
+{
+    StepCounter,
+    HybridStepOrUse,
+    UseConsumed,
+    StackBased,
+    InstantTrigger,
+    TimedSeconds,
+    ActionCounter,
+}
+
+public enum AnvilBuffCategory
+{
+    QualityBooster,
+    ProgressBooster,
+    DurabilitySaver,
+    DurabilityRepair,
+    ConditionBypass,
+    Utility,
+    CosmicConditionShaper,
+    CosmicSuccessGuarantee,
+}
diff --git a/Anvil/RecipeData/AnvilCondition.cs b/Anvil/RecipeData/AnvilCondition.cs
new file mode 100644
index 0000000..699594e
--- /dev/null
+++ b/Anvil/RecipeData/AnvilCondition.cs
@@ -0,0 +1,35 @@
+// Static condition catalog. DisplayName comes from AnvilStrings.resx rather
+// than Lumina because the in-game Status sheet does not expose the crafting
+// condition labels (Centered / Sturdy / ...) in a directly consumable form.
+
+namespace Anvil.RecipeData;
+
+public sealed record AnvilCondition
+{
+    public required AnvilConditionKind Kind { get; init; }
+    public required string DisplayName { get; init; }
+    public required float QualityMultiplier { get; init; }
+    public required float ProgressMultiplier { get; init; }
+    public required float CpDiscountMultiplier { get; init; }
+    public required float DurabilityDiscountMultiplier { get; init; }
+    public required float BaseProbability { get; init; }
+}
+
+// Robust is the Cosmic-Exploration condition variant. Mechanics follow the
+// ConditionMechanicsTable: Sturdy-equivalent durability discount, no
+// quality multiplier. The simulator maps Robust to Sturdy as the default
+// follow-up condition (Artisan Simulator.cs:522).
+public enum AnvilConditionKind
+{
+    Normal,
+    Good,
+    Excellent,
+    Poor,
+    Centered,
+    Sturdy,
+    Pliant,
+    Malleable,
+    Primed,
+    GoodOmen,
+    Robust,
+}
diff --git a/Anvil/RecipeData/AnvilFood.cs b/Anvil/RecipeData/AnvilFood.cs
new file mode 100644
index 0000000..b41edca
--- /dev/null
+++ b/Anvil/RecipeData/AnvilFood.cs
@@ -0,0 +1,46 @@
+// Food / medicine with crafting-relevant stat bonuses. The adapter filters
+// ItemFood entries to the three crafting BaseParams (CP=11, Craftsmanship=70,
+// Control=71) and drops everything else (Spiritbond, Reduced-Durability-Loss
+// etc. - not solver-relevant).
+//
+// AnvilFoodBonus mirrors the Lumina ItemFood.Params shape 1:1 including the
+// IsRelative flag so the simulator can tell percentage bonuses (typical for
+// crafting consumables) from flat bonuses without re-walking the sheet.
+
+using System.Collections.Generic;
+
+namespace Anvil.RecipeData;
+
+public sealed record AnvilFood
+{
+    public required uint ItemId { get; init; }
+    public required string DisplayName { get; init; }
+    public required uint IconId { get; init; }
+    public required short DurationSeconds { get; init; }
+    public required AnvilFoodKind Kind { get; init; }
+    public required IReadOnlyList<AnvilFoodBonus> Bonuses { get; init; }
+    public required bool HasHqVariant { get; init; }
+}
+
+public sealed record AnvilFoodBonus
+{
+    public required AnvilFoodStat Stat { get; init; }
+    public required short Value { get; init; }
+    public required short ValueHq { get; init; }
+    public required short Max { get; init; }
+    public required short MaxHq { get; init; }
+    public required bool IsRelative { get; init; }
+}
+
+public enum AnvilFoodKind
+{
+    Food,
+    Medicine,
+}
+
+public enum AnvilFoodStat
+{
+    Craftsmanship,
+    Control,
+    Cp,
+}
diff --git a/Anvil/RecipeData/AnvilItem.cs b/Anvil/RecipeData/AnvilItem.cs
new file mode 100644
index 0000000..decf60e
--- /dev/null
+++ b/Anvil/RecipeData/AnvilItem.cs
@@ -0,0 +1,17 @@
+// Slim item view. The catalog only holds items that appear as recipe output,
+// recipe ingredients, or food/medicine entries. A full Item-sheet mirror
+// would be ~50k rows and is the UI layer's problem when (later) a global
+// item search lands.
+
+namespace Anvil.RecipeData;
+
+public sealed record AnvilItem
+{
+    public required uint ItemId { get; init; }
+    public required string DisplayName { get; init; }
+    public required uint IconId { get; init; }
+    public required byte ItemLevel { get; init; }
+    public required bool CanBeHq { get; init; }
+    public required bool IsCollectable { get; init; }
+    public required bool IsCraftable { get; init; }
+}
diff --git a/Anvil/RecipeData/AnvilRecipe.cs b/Anvil/RecipeData/AnvilRecipe.cs
new file mode 100644
index 0000000..e6b6f16
--- /dev/null
+++ b/Anvil/RecipeData/AnvilRecipe.cs
@@ -0,0 +1,57 @@
+// Plain-data record describing a single FFXIV crafting recipe. Public surface
+// is intentionally BCL-only (no Lumina or Dalamud types) so the simulator and
+// solver can be tested in xUnit without loading Dalamud.dll into the test
+// AppDomain. The adapter (Internal/LuminaRecipeAdapter) builds these from the
+// Recipe + RecipeLevelTable sheet pair and flattens both sheets into one
+// record so consumers never have to do a two-sheet walk.
+
+using System.Collections.Generic;
+
+namespace Anvil.RecipeData;
+
+public sealed record AnvilRecipe
+{
+    public required uint RecipeId { get; init; }
+    public required uint OutputItemId { get; init; }
+    public required byte OutputAmount { get; init; }
+    public required uint ClassJobId { get; init; }
+    public required ushort RecipeLevel { get; init; }
+    public required int Difficulty { get; init; }
+    public required int QualityMax { get; init; }
+    public required byte Durability { get; init; }
+    public required int RequiredCraftsmanship { get; init; }
+    public required int RequiredControl { get; init; }
+    public required int QualityForHQ { get; init; }
+    public required bool IsExpertRecipe { get; init; }
+    public required bool CanHQ { get; init; }
+
+    // Cosmic Exploration (Patch 7.x). v0.1.0 ships with MissionHas* always
+    // false (SH-15 option B) - the data schema stays in place so v0.2.0+ can
+    // light up the surface by resolving the WKS mission sheet without
+    // touching the type. IsCosmic / IsSplendorCosmic are still set by the
+    // recipe-detection path so the catalog knows which recipes belong to the
+    // Cosmic surface even while the action flags stay dormant.
+    //
+    // Adapter invariant (validated when the catalog is built):
+    //   IsSplendorCosmic == true            implies IsCosmic == true
+    //   MissionHasMaterialMiracle == true   implies IsCosmic == true
+    //   MissionHasSteadyHand == true        implies IsCosmic == true
+    //
+    // Inconsistent recipe states (sub-flag without master flag) throw at
+    // catalog-build time instead of silently corrupting the simulator.
+    public required bool IsCosmic { get; init; }
+    public required bool IsSplendorCosmic { get; init; }
+    public required bool MissionHasMaterialMiracle { get; init; }
+    public required bool MissionHasSteadyHand { get; init; }
+    public required bool IsIshgardExpert { get; init; }
+
+    public required byte Stars { get; init; }
+    public required byte ProgressDivider { get; init; }
+    public required byte ProgressModifier { get; init; }
+    public required byte QualityDivider { get; init; }
+    public required byte QualityModifier { get; init; }
+    public required IReadOnlyList<AnvilRecipeIngredient> Ingredients { get; init; }
+    public required string DisplayName { get; init; }
+}
+
+public sealed record AnvilRecipeIngredient(uint ItemId, byte Amount);