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openspec/changes/enterprise-gaming-react-game-hud/tasks.md

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+# Tasks: enterprise-gaming-react-game-hud
+
+## 0. Pre-flight (non-negotiable)
+
+- [ ] 0.1 Confirm clean working tree (`git status` reports nothing) and no in-flight worktrees with uncommitted work (`git worktree list` then `git status` in each)
+- [ ] 0.2 If any worktrees exist under `.claude/worktrees/`, account for each one: still-active agent, work-pending-merge, or stale-and-prune. Stale worktrees MUST be removed (`git worktree remove`) before opening a new one — code that has been lost twice on main is the failure mode this guards against.
+- [ ] 0.3 Confirm the package set in `MANIFEST.md` matches `find packages -maxdepth 3 -name package.json` count. Drift here means a prior change archived without regenerating the manifest.
+
+## Phase 1 — Scaffold
+
+- [ ] Create `gaming/react/react-game-hud/` (`@suaveplan/react-game-hud`, `0.1.0`, `sideEffects: false`)
+- [ ] `tsconfig.json` (react), `vitest.config.ts`
+
+## Phase 2 — Types
+
+- [ ] `src/types/common.ts` + `common.md`
+
+## Phase 3 — HUD state manager
+
+- [ ] `src/state/hud-state-manager.ts` — getSnapshot/subscribe/update
+- [ ] Tests + docs
+
+## Phase 4 — `useHud` hook
+
+- [ ] `src/hooks/use-hud.ts` — `useSyncExternalStore` wrapper
+- [ ] Tests + docs
+
+## Phase 5 — Components (each with test + story)
+
+- [ ] `HealthBar` — health/shield visual with percentage
+- [ ] `AmmoDisplay` — current/max ammo, reload indicator
+- [ ] `XpBar` — XP progress with level display
+- [ ] `ObjectiveList` — active quest objectives, completion ticks
+- [ ] `KillFeed` — scrolling kill/death entries with TTL
+- [ ] `HudOverlay` — absolute-positioned container
+
+## Phase 6 — Storybook
+
+- [ ] Default + playground + edge-case stories for every component
+
+## Phase 7 — Pre-publish gate
+
+- [ ] `bunx turbo lint typecheck test --filter=@suaveplan/react-game-hud` green
+- [ ] 100% coverage
+- [ ] Publish: `bun scripts/publish.ts --package @suaveplan/react-game-hud`