feat: Build Manager, Crucible ops deck, branding, and portable Cloudflare tunnel

Add Build Manager with pin-to-dropper, Crucible multi-node terminal with SSH probe/wake, Command Deck chart balance and pretty stats, AetherForge logo and sacred geometry UI, Field Guide refresh, and LAUNCH.bat Cloudflare MSI + token service install flow.

server/web/src/context/ForgeContext.tsx

@@ -0,0 +1,45 @@
+import { createContext, useContext, useState, useCallback, ReactNode } from 'react';
+
+export interface ForgeState {
+  forging: boolean;
+  stage: string;
+  progress: number; // 0–100
+}
+
+interface ForgeContextValue extends ForgeState {
+  startForge: () => void;
+  endForge: () => void;
+  setStage: (stage: string, progress: number) => void;
+}
+
+const ForgeContext = createContext<ForgeContextValue>({
+  forging: false,
+  stage: '',
+  progress: 0,
+  startForge: () => {},
+  endForge: () => {},
+  setStage: () => {},
+});
+
+export function ForgeProvider({ children }: { children: ReactNode }) {
+  const [state, setState] = useState<ForgeState>({ forging: false, stage: '', progress: 0 });
+
+  const startForge = useCallback(() =>
+    setState({ forging: true, stage: 'Initializing forge...', progress: 0 }), []);
+
+  const endForge = useCallback(() =>
+    setState({ forging: false, stage: '', progress: 0 }), []);
+
+  const setStage = useCallback((stage: string, progress: number) =>
+    setState((s) => ({ ...s, stage, progress })), []);
+
+  return (
+    <ForgeContext.Provider value={{ ...state, startForge, endForge, setStage }}>
+      {children}
+    </ForgeContext.Provider>
+  );
+}
+
+export function useForge() {
+  return useContext(ForgeContext);
+}

server/web/src/context/WebSocketProvider.tsx

@@ -114,6 +114,7 @@ export function WebSocketProvider({ children }: { children: React.ReactNode }) {
                           (update.shares_accepted ?? a.shares_good)
                       ),
                       status: 'online' as const,
+                      ...(update.ssh_available !== undefined ? { ssh_available: update.ssh_available } : {}),
                     }
                   : a
               )