feat(schema): #48 monthly_budget em categories + category_id em achievements

- Migration 018: ADD COLUMN monthly_budget NUMERIC(12,2) em categories
- Migration 018: ADD COLUMN category_id INTEGER REFERENCES categories(id) ON DELETE CASCADE em achievements
- Remove conquistas hardcoded veleiro_under_500 e health_3months do banco
- Reset game state do profile_id=1
- Atualiza CategoryRepository, CategoryInput e Category model para incluir monthly_budget

apps/api/internal/migration/sql/018_dynamic_achievements.sql

@@ -0,0 +1,17 @@
+ALTER TABLE categories ADD COLUMN IF NOT EXISTS monthly_budget NUMERIC(12,2);
+
+ALTER TABLE achievements ADD COLUMN IF NOT EXISTS category_id INTEGER REFERENCES categories(id) ON DELETE CASCADE;
+
+-- Remove conquistas hardcoded com categorias específicas
+DELETE FROM player_achievements WHERE achievement_id IN (
+    SELECT id FROM achievements WHERE unlock_condition IN ('veleiro_under_500', 'health_3months')
+);
+DELETE FROM achievements WHERE unlock_condition IN ('veleiro_under_500', 'health_3months');
+
+-- Reset game state do profile_id=1
+DELETE FROM player_achievements WHERE profile_id = 1;
+DELETE FROM xp_events WHERE profile_id = 1;
+DELETE FROM player_quests WHERE profile_id = 1;
+UPDATE player_profile SET level = 1, xp = 0, xp_to_next = 100 WHERE profile_id = 1;
+
+INSERT INTO schema_migrations (version) VALUES (18) ON CONFLICT DO NOTHING;