lib/db/admin.ts

@@ -18,6 +18,7 @@ export const ADMIN_TABLES = {
   tech: schema.tech,
   missions: schema.missions,
   events: schema.events,
+  tasks: schema.tasks,
 } as const satisfies Record<string, SQLiteTable>
 
 const TABLE_NAMES: Set<string> = new Set(Object.values(ADMIN_TABLES).map((t) => getTableName(t)))

lib/db/client.ts

@@ -116,6 +116,19 @@ CREATE TABLE IF NOT EXISTS events (
   message TEXT NOT NULL,
   created_at TEXT NOT NULL
 );
+
+CREATE TABLE IF NOT EXISTS tasks (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  save_id INTEGER NOT NULL REFERENCES saves(id),
+  type TEXT NOT NULL, -- 'JUMP' | 'EXPLORE' | 'SHIP_UPGRADE' | 'SHIP_EXPAND' | 'SHIP_BUILD' | 'RESEARCH'
+  payload TEXT NOT NULL, -- JSON per type: JUMP {systemId, hops} · SHIP_UPGRADE/EXPAND {systemId} · SHIP_BUILD {type} · RESEARCH {techId} · EXPLORE {planetId}
+  lead_crew_id INTEGER NOT NULL REFERENCES crew(id),
+  helpers TEXT NOT NULL DEFAULT '[]', -- JSON array of crew ids
+  duration INTEGER NOT NULL,
+  remaining INTEGER NOT NULL,
+  status TEXT NOT NULL DEFAULT 'ACTIVE', -- 'ACTIVE' | 'PENDING' | 'DONE'
+  queued_at_turn INTEGER NOT NULL DEFAULT 0
+);
 `;
 
 // SPACE_WANDERER_DB_PATH override exists so unit tests can point at a temp file instead

lib/db/schema.ts

@@ -136,3 +136,20 @@ export const events = sqliteTable('events', {
   message: text('message').notNull(),
   createdAt: text('created_at').notNull(),
 })
+
+// Queued actions (PR A, spec §3): one row per task assigned to a team. `payload` is a JSON
+// string whose shape depends on `type` (see the Task interface in lib/game/tasks.ts);
+// `helpers` is a JSON array of crew ids. Upgraded saves start with an empty queue — the v7
+// backfill stamps the version, the DDL in client.ts creates the table.
+export const tasks = sqliteTable('tasks', {
+  id: integer('id').primaryKey({ autoIncrement: true }),
+  saveId: integer('save_id').notNull().references(() => saves.id),
+  type: text('type').notNull(), // TaskType
+  payload: text('payload').notNull(),
+  leadCrewId: integer('lead_crew_id').notNull().references(() => crew.id),
+  helpers: text('helpers').notNull().default('[]'), // JSON array of crew ids
+  duration: integer('duration').notNull(),
+  remaining: integer('remaining').notNull(),
+  status: text('status').notNull().default('ACTIVE'), // 'ACTIVE' | 'PENDING' | 'DONE'
+  queuedAtTurn: integer('queued_at_turn').notNull().default(0),
+})

lib/game/save.test.ts

@@ -379,6 +379,29 @@ describe('backfill (old saves)', () => {
     expect((await db.db.select().from(schema.planets)).length).toBe(planetCount)
   })
 
+  it('v7: a v6-stamped save gets an empty tasks table without touching state; idempotent across restart', async () => {
+    const { db, file } = await freshFile()
+    const world = await getWorldState(db) // fresh game, stamped at the current version
+    const crewBefore = await db.db.select().from(schema.crew)
+    const invBefore = await db.db.select().from(schema.inventoryItems)
+
+    await db.db.update(schema.saves).set({ schemaVersion: 6 }) // simulate a save stamped by v0.9.12
+    const world2 = await getWorldState(db) // ensureSave → backfill v6 → v7
+
+    expect(world2).toEqual(world) // turn, systems, edges — untouched (Review Focus 1)
+    expect((await db.db.select().from(schema.saves))[0].schemaVersion).toBe(7)
+    expect(await db.db.select().from(schema.crew)).toEqual(crewBefore)
+    expect(await db.db.select().from(schema.inventoryItems)).toEqual(invBefore)
+    const tables = db.raw.exec("SELECT name FROM sqlite_master WHERE type = 'table'")
+    expect(tables[0].values.map((v) => v[0])).toContain('tasks')
+    expect(Number(db.raw.exec('SELECT COUNT(*) FROM tasks')[0]?.values[0][0] ?? 0)).toBe(0) // empty queue after upgrade
+
+    const reopened = await openGameDb(file) // restart: the backfill must be a no-op
+    await getWorldState(reopened)
+    expect((await reopened.db.select().from(schema.saves))[0].schemaVersion).toBe(7)
+    expect(Number(reopened.raw.exec('SELECT COUNT(*) FROM tasks')[0]?.values[0][0] ?? 0)).toBe(0)
+  })
+
   it('seeds the starting ship on a new game: core types built at base values, WEAPONS unbuilt', async () => {
     const { db } = await freshFile()
     await getWorldState(db)

lib/game/save.ts

@@ -97,7 +97,7 @@ async function seedStartingCrew(db: GameDb, saveId: number, seed: string): Promi
 // What each schema version added to a save. Saves created by older code lack the data newer
 // versions seed at new-game time, so ensureSave runs these steps in order for anything below
 // current — each step is idempotent (a no-op when its data already exists).
-export const SCHEMA_VERSION = 6 // v1: save + start region only · v2: bodies for every system · v3: starting crew · v4: starting ship · v5: tech tree · v6: mission board
+export const SCHEMA_VERSION = 7 // v1: save + start region only · v2: bodies for every system · v3: starting crew · v4: starting ship · v5: tech tree · v6: mission board · v7: tasks table
 
 // Seeds the starting ship: one row per known type — core types built at base values, the rest
 // unbuilt (level/capacity 0) until a BUILD action.
@@ -173,6 +173,11 @@ async function backfillSave(db: GameDb, save: { id: number; seed: string; schema
     await topUpMissionBoard(db) // idempotent — only inserts when fewer than MIN_AVAILABLE AVAILABLE contracts exist
     version = 6
   }
+  if (version < 7) {
+    // The tasks table itself is created by the DDL at open (CREATE TABLE IF NOT EXISTS) for
+    // every file — new or old — so an upgraded save simply starts with an empty queue; stamp.
+    version = 7
+  }
 
   if (from !== SCHEMA_VERSION) {
     await db.db.update(schema.saves).set({ schemaVersion: version }).where(eq(schema.saves.id, save.id))

lib/game/tasks.ts

@@ -6,6 +6,24 @@ import type { CrewMember } from './crew'
 
 export type TaskType = 'JUMP' | 'EXPLORE' | 'SHIP_UPGRADE' | 'SHIP_EXPAND' | 'SHIP_BUILD' | 'RESEARCH'
 
+export type TaskStatus = 'ACTIVE' | 'PENDING' | 'DONE'
+
+// One queued/active/done action (spec §3). `payload` is a JSON string whose shape depends on
+// the TaskType: JUMP {systemId, hops} · SHIP_UPGRADE/EXPAND {systemId} · SHIP_BUILD {type} ·
+// RESEARCH {techId} · EXPLORE {planetId}.
+export interface Task {
+  id: number
+  saveId: number
+  type: TaskType
+  payload: string
+  leadCrewId: number
+  helpers: number[]
+  duration: number
+  remaining: number
+  status: TaskStatus
+  queuedAtTurn: number
+}
+
 // Work points per action (spec §4): JUMP scales with hop count, the rest are flat.
 function workPoints(type: TaskType, hopCount: number): number {
   switch (type) {