db: game save schema — saves, solar_systems, jump_routes, events (single-player, one save)

lib/db/client.ts

@@ -14,12 +14,43 @@ export interface GameDb {
   file: string;
 }
 
-// CREATE TABLE statements mirroring lib/db/schema.ts — keep in sync. Game tables land with
-// the turn engine; _meta is DB plumbing (not game state): a brand-new sql.js database exports
-// as ZERO bytes, so without at least one real table there would be nothing valid to persist
-// on the ./db volume from first boot.
+// CREATE TABLE statements mirroring lib/db/schema.ts — keep in sync. _meta is DB plumbing
+// (not game state): a brand-new sql.js database exports as ZERO bytes, so without at least
+// one real table there would be nothing valid to persist on the ./db volume from first boot.
 const DDL = `
 CREATE TABLE IF NOT EXISTS _meta (key TEXT PRIMARY KEY, value TEXT);
+
+CREATE TABLE IF NOT EXISTS saves (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  seed TEXT NOT NULL,
+  turn INTEGER NOT NULL DEFAULT 0,
+  created_at TEXT NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS solar_systems (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  save_id INTEGER NOT NULL REFERENCES saves(id),
+  name TEXT NOT NULL,
+  x REAL NOT NULL,
+  y REAL NOT NULL,
+  discovered INTEGER NOT NULL DEFAULT 0,
+  is_current INTEGER NOT NULL DEFAULT 0
+);
+
+CREATE TABLE IF NOT EXISTS jump_routes (
+  from_system INTEGER NOT NULL REFERENCES solar_systems(id),
+  to_system INTEGER NOT NULL REFERENCES solar_systems(id),
+  PRIMARY KEY (from_system, to_system)
+);
+
+CREATE TABLE IF NOT EXISTS events (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  save_id INTEGER NOT NULL REFERENCES saves(id),
+  turn INTEGER NOT NULL,
+  type TEXT NOT NULL,
+  message TEXT NOT NULL,
+  created_at TEXT NOT NULL
+);
 `;
 
 // SPACE_WANDERER_DB_PATH override exists so unit tests can point at a temp file instead