v1.0.0: players table + migration from singleton account (ISS-105)

lib/db/client.ts

@@ -5,6 +5,7 @@ import { drizzle, type SQLJsDatabase } from 'drizzle-orm/sql-js';
 import initSqlJs, { type Database as RawSqlJsDatabase } from 'sql.js';
 import { loadAirportsGeoJson } from '@/lib/airports';
 import { buildSeed, mulberry32 } from '@/lib/game/seed';
+import { LOCAL_PLAYER } from './localPlayer';
 import * as schema from './schema';
 
 // SQLite via sql.js (WASM) — no native compilation, so it builds and runs in the
@@ -51,7 +52,12 @@ CREATE TABLE IF NOT EXISTS packages (
   created_real_ms INTEGER NOT NULL DEFAULT 0,
   slot_free_at_real_ms INTEGER
 );
-CREATE TABLE IF NOT EXISTS account (
+-- v1.0.0 (ISS-105): per-player economy — replaces the singleton account table; the local
+-- single-player row is seeded by seedEmpty() or migrated from account in open().
+CREATE TABLE IF NOT EXISTS players (
+  id TEXT PRIMARY KEY NOT NULL,
+  provider TEXT NOT NULL,
+  username TEXT NOT NULL,
   cash REAL NOT NULL,
   reputation REAL NOT NULL
 );
@@ -182,6 +188,17 @@ function migrateContractsToPackages(raw: RawSqlJsDatabase): void {
   raw.exec('DROP TABLE contracts');
 }
 
+// v1.0.0 (ISS-105) one-time migration: singleton `account` row → seeded local player, then drop
+// the table. Detected by sqlite_master like migrateContractsToPackages — fresh DBs never have
+// `account`, so this runs exactly once per legacy file and is a no-op on later opens.
+function migrateAccountToPlayers(raw: RawSqlJsDatabase): void {
+  raw.run(
+    'INSERT INTO players (id, provider, username, cash, reputation) SELECT ?, ?, ?, cash, reputation FROM account',
+    [LOCAL_PLAYER.id, LOCAL_PLAYER.provider, LOCAL_PLAYER.username],
+  );
+  raw.exec('DROP TABLE account');
+}
+
 // FLIGHT_DB_PATH override exists so unit tests can point at a temp file instead
 // of the real ./db/flight.db.
 export function defaultDbPath(): string {
@@ -209,12 +226,18 @@ async function open(file: string): Promise<GameDb> {
   if (tables.has('contracts')) {
     migrateContractsToPackages(raw);
   }
+  // v1.0.0 (ISS-105): legacy files still carry the singleton `account` table — copy its row into a
+  // seeded local player and drop it. The players-empty guard makes this idempotent even if a file
+  // somehow had both tables; fresh DBs never have `account`, so this runs exactly once per file.
+  const playerCount = Number(raw.exec('SELECT COUNT(*) FROM players')[0].values[0]?.[0] ?? 0);
+  if (tables.has('account') && playerCount === 0) {
+    migrateAccountToPlayers(raw);
+  }
 
   const instance: GameDb = { db: drizzle(raw, { schema }), raw, file };
 
-  // First-run seed: only when the DB is empty (no account row yet).
-  const res = raw.exec('SELECT COUNT(*) FROM account');
-  if (Number(res[0]?.values?.[0]?.[0] ?? 0) === 0) {
+  // First-run seed: only when the DB is empty (no player row yet).
+  if (playerCount === 0 && !tables.has('account')) {
     console.warn(`flight db: no existing world at ${file} — seeding a fresh one`);
     await seedEmpty(instance);
   }
@@ -246,7 +269,8 @@ async function seedEmpty(instance: GameDb): Promise<void> {
   const { queue, ...planeCols } = data.plane;
   await instance.db.insert(schema.planes).values({ ...planeCols, queue: JSON.stringify(queue ?? []) });
   await instance.db.insert(schema.packages).values(data.packages);
-  await instance.db.insert(schema.account).values(data.account);
+  // v1.0.0 (ISS-105): the singleton economy now lives in a seeded local player row.
+  await instance.db.insert(schema.players).values({ ...LOCAL_PLAYER, cash: data.account.cash, reputation: data.account.reputation });
   await instance.db.insert(schema.simState).values(data.simState);
   await persist(instance);
 }