add basic types and fix cmake

src/lib/config/ShipsConfig.h

@@ -0,0 +1,84 @@
+#pragma once
+
+#include <optional>
+#include <string>
+#include <vector>
+
+#include "Formula.h"
+#include "RecipesConfig.h"  // for RecipeIngredient
+
+// Build materials and initial per-blueprint production level
+// (REQ-BLD-SHIPYARD, REQ-DEF-BLUEPRINT-DROP).
+struct ShipBlueprint
+{
+    std::vector<RecipeIngredient> materials;
+    int playerProductionLevel;
+};
+
+// Wave scheduling cost (REQ-WAV-THREAT-COST). Ships with cost_formula that
+// always evaluates to 0 are ineligible as wave picks.
+struct ShipThreat
+{
+    Formula costFormula;
+};
+
+struct ShipHealth
+{
+    Formula hpFormula;  // REQ-SHP-STATS
+};
+
+struct ShipMovement
+{
+    Formula speedFormula;  // REQ-SHP-STATS, REQ-SHP-MOVEMENT
+};
+
+struct ShipCombat
+{
+    Formula damageFormula;
+    Formula attackRangeFormula;
+    Formula attackRateFormula;  // shots per second
+};
+
+// Optional; present only on salvage ships (REQ-SHP-SALVAGE).
+struct ShipSalvage
+{
+    double collectionRange;
+    int cargoCapacity;
+};
+
+// Optional; present only on repair ships (REQ-SHP-REPAIR).
+struct ShipRepair
+{
+    Formula repairRateFormula;
+    Formula repairRangeFormula;
+};
+
+// Scrap dropped on destruction (REQ-RES-SCRAP-DROP).
+struct ShipLoot
+{
+    int scrapDrop;
+};
+
+struct ShipDef
+{
+    std::string id;
+    bool availableFromStart;
+
+    ShipBlueprint blueprint;
+    ShipThreat threat;
+    ShipHealth health;
+    ShipMovement movement;
+    ShipLoot loot;
+
+    // Role-specific sections. A ship is a combat ship if combat is present,
+    // a salvage ship if salvage is present, etc. A ship may have multiple
+    // of these set (hybrid ships) once the behavior systems support it.
+    std::optional<ShipCombat> combat;
+    std::optional<ShipSalvage> salvage;
+    std::optional<ShipRepair> repair;
+};
+
+struct ShipsConfig
+{
+    std::vector<ShipDef> ships;
+};