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

apps/game/src/spacetime/useSpacetimeConnection.ts

@@ -1,4 +1,4 @@
-import { useEffect, useMemo, useState } from "react";
+import { useEffect, useMemo, useRef, useState } from "react";
 import type { DbConnection } from "../module_bindings";
 import { createSpacetimeConnection, type ConnectionStatus, type IdentityLike } from "./client";
 
@@ -22,10 +22,13 @@ export function useSpacetimeConnection(displayName: string) {
     [],
   );
 
+  const displayNameRef = useRef(displayName);
+  displayNameRef.current = displayName;
+
   useEffect(() => {
     const conn = createSpacetimeConnection({
       ...config,
-      displayName,
+      displayName: displayNameRef.current,
       onStatus: (nextStatus, nextMessage) => {
         setStatus(nextStatus);
         setMessage(nextMessage);
@@ -45,7 +48,7 @@ export function useSpacetimeConnection(displayName: string) {
       window.clearInterval(refresh);
       conn?.disconnect?.();
     };
-  }, [config, displayName]);
+  }, [config]);
 
   return {
     connection,