ui/phase-14: rename planet end-to-end + order read-back

Wires the first end-to-end command through the full pipeline:
inspector rename action → local order draft → user.games.order
submit → optimistic overlay on map / inspector → server hydration
on cache miss via the new user.games.order.get message type.

Backend: GET /api/v1/user/games/{id}/orders forwards to engine
GET /api/v1/order. Gateway parses the engine PUT response into the
extended UserGamesOrderResponse FBS envelope and adds
executeUserGamesOrderGet for the read-back path. Frontend ports
ValidateTypeName to TS, lands the inline rename editor + Submit
button, and exposes a renderedReport context so consumers see the
overlay-applied snapshot.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

ui/frontend/src/lib/galaxy-client-context.svelte.ts

@@ -0,0 +1,34 @@
+// Exposes the per-game `GalaxyClient` instance through a Svelte
+// context so command-driven UI (the order-tab submit button,
+// later phases' inspector actions) can issue gateway calls without
+// re-instantiating the client. The handle is intentionally a thin
+// reactive wrapper: the layout populates `client` after the boot
+// `Promise.all` resolves, and consumers read the latest value
+// through the getter — `null` while the boot is in flight, set to
+// the live client once the keypair / gateway public key are loaded.
+
+import type { GalaxyClient } from "../api/galaxy-client";
+
+/**
+ * GALAXY_CLIENT_CONTEXT_KEY is the Svelte context key the in-game
+ * shell layout uses to expose its bound `GalaxyClient` to
+ * descendants. The order-tab submit button reads this to call
+ * `submitOrder`.
+ */
+export const GALAXY_CLIENT_CONTEXT_KEY = Symbol("galaxy-client");
+
+export interface GalaxyClientHandle {
+	readonly client: GalaxyClient | null;
+}
+
+export class GalaxyClientHolder implements GalaxyClientHandle {
+	#client: GalaxyClient | null = $state(null);
+
+	get client(): GalaxyClient | null {
+		return this.#client;
+	}
+
+	set(client: GalaxyClient | null): void {
+		this.#client = client;
+	}
+}