step 7.3: done

src/services/expeditionService.js

@@ -77,6 +77,11 @@ function getStmts(db) {
       updateCharacterXp: db.prepare(
         'UPDATE characters SET xp = ?, level = ?, unspent_points = ? WHERE id = ?'
       ),
+
+      // List all expedition definitions.
+      listDefs: db.prepare(
+        'SELECT * FROM expedition_defs ORDER BY min_level, id'
+      ),
     };
     stmtCache.set(db, s);
   }
@@ -255,4 +260,27 @@ function claimExpedition(characterId, expeditionId) {
   };
 }
 
-module.exports = { startExpedition, getActive, claimExpedition };
+/**
+ * List all expedition definitions (public, no auth needed but called behind requireAuth).
+ * @returns {Array<object>} expedition definitions ordered by min_level, id.
+ */
+function listDefinitions() {
+  const db = getDb();
+  const s = getStmts(db);
+
+  const rows = s.listDefs.all();
+  return rows.map((row) => ({
+    id: row.id,
+    slug: row.slug,
+    name: row.name,
+    description: row.description,
+    minLevel: row.min_level,
+    durationSec: row.duration_sec,
+    energyCost: row.energy_cost,
+    xpReward: row.xp_reward,
+    goldMin: row.gold_min,
+    goldMax: row.gold_max,
+  }));
+}
+
+module.exports = { startExpedition, getActive, claimExpedition, listDefinitions };