step 7.1: done

src/db/migrations/005_expeditions.sql

@@ -0,0 +1,36 @@
+-- 005_expeditions.sql — Expedition system: definitions and player expedition records.
+
+CREATE TABLE IF NOT EXISTS expedition_defs (
+  id            INTEGER PRIMARY KEY,
+  slug          TEXT NOT NULL UNIQUE,
+  name          TEXT NOT NULL,
+  description   TEXT NOT NULL,
+  min_level     INTEGER NOT NULL,
+  duration_sec  INTEGER NOT NULL,
+  energy_cost   INTEGER NOT NULL,
+  xp_reward     INTEGER NOT NULL,
+  gold_min      INTEGER NOT NULL,
+  gold_max      INTEGER NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS expeditions (
+  id           INTEGER PRIMARY KEY AUTOINCREMENT,
+  character_id INTEGER NOT NULL REFERENCES characters(id) ON DELETE CASCADE,
+  def_id       INTEGER NOT NULL REFERENCES expedition_defs(id),
+  started_at   INTEGER NOT NULL,
+  ends_at      INTEGER NOT NULL,
+  claimed_at   INTEGER                        -- NULL until claimed
+);
+
+-- At most one unclaimed (active) expedition per character.
+CREATE UNIQUE INDEX IF NOT EXISTS idx_one_active_expedition
+  ON expeditions(character_id) WHERE claimed_at IS NULL;
+
+-- ===== EXPEDITION DEFINITIONS =====
+-- "Scout the Old Road" — 10 min, low risk/reward
+INSERT OR IGNORE INTO expedition_defs (id, slug, name, description, min_level, duration_sec, energy_cost, xp_reward, gold_min, gold_max) VALUES
+  (1, 'scout-old-road', 'Scout the Old Road', 'Patrol the abandoned trade route north of Cindergate.', 1, 600, 10, 30, 5, 15),
+  -- "Raid the Bandit Camp" — 1 hour, medium risk/reward (+ loot roll)
+  (2, 'raid-bandit-camp', 'Raid the Bandit Camp', 'Launch a coordinated strike on the bandit encampment in Gloomroot.', 3, 3600, 30, 100, 20, 60),
+  -- "Delve the Hollow" — 4 hours, high risk/reward (+ loot roll)
+  (3, 'delve-the-hollow', 'Delve the Hollow', 'Explore the ancient ruins beneath the Ashfang Crags.', 5, 14400, 60, 300, 50, 150);