Add game UI panels, keyboard shortcuts, docs narrative overhaul, and unified dev script

- Add MiniStarMap, NpcMarketPanel, ShipStatusPanel, useKeyboardShortcuts
- Add progress bars for approach/mining operations and cargo fill indicator
- Rewrite docs from spreadsheet-first to exploration-first open-world RPG
- Replace dev:db + dev:standalone with unified dev script (scripts/dev.sh)
- Add Vite chunk splitting for three.js and spacetimedb
- Fix displayName dependency in useSpacetimeConnection
- Remove stale usePlayerSession.ts
- Add AGENTS.md files across all packages

package.json

@@ -4,14 +4,13 @@
   "version": "0.1.0",
   "type": "module",
   "scripts": {
+    "dev": "bash scripts/dev.sh",
     "dev:docs": "pnpm --filter @void-nav/docs dev --port 5173",
     "dev:site": "pnpm --filter @void-nav/site dev --port 5174",
     "dev:game": "pnpm --filter @void-nav/game dev --port 5175",
-    "dev:db": "spacetime dev --server local",
     "build": "pnpm -r --if-present build",
     "check": "pnpm -r --if-present check",
-    "dev:standalone": "pnpm run dev:db & pnpm run dev:game",
-"generate:bindings": "spacetime generate"
+    "generate:bindings": "spacetime generate"
   },
   "packageManager": "pnpm@9.15.0"
 }