V48 (impl-only): Drop bitcoin demonstration product surface

Remove the 870MB Vercel function route and demo app-context API,
exclude retired demo paths from file tracing, harden boundary.

Author: geraldarthurdavis

apps/uapi/app/api/bitcoin-demonstration-service/route.ts

@@ -69,6 +69,19 @@ let nextConfig = {
   // cannot leak between lanes.
   distDir: process.env.NEXT_DIST_DIR || '.next',
   productionBrowserSourceMaps: false,
+  // Keep retired demonstration/spec fixtures out of serverless traces.
+  // (Next does not honor vercel.json excludeFiles for App Router functions.)
+  outputFileTracingExcludes: {
+    '*': [
+      '**/protocol-demonstration/**',
+      '**/v23-bitcoin-demonstration-service.*',
+      '**/bitcode-demo.js',
+      '**/ai-reading-demonstration/**',
+      '**/.proofs/**',
+      '**/storybook-static/**',
+      '**/tmp/**',
+    ],
+  },
   experimental: {
     // Allow importing source files from outside the `uapi` package directory.
     externalDir: true,

apps/uapi/next.config.mjs

@@ -21,6 +21,9 @@ const DISALLOWED_DEMONSTRATION_BOUNDARY_PATTERNS = [
   /@bitcode\/protocol-demonstration/,
   /protocol-demonstration\/public/,
   /BITCODE_DEMONSTRATION_PUBLIC_DIR/,
+  // Removed product surface — do not reintroduce (Vercel 250mb function bombs).
+  /bitcoin-demonstration-service/,
+  /getBitcoinDemonstrationService\s*\(/,
 ];
 
 function collectSourceFiles(root: string): string[] {
@@ -97,6 +100,12 @@ describe('commercial protocol boundary', () => {
     expect(violations).toEqual([]);
   });
 
+  it('does not ship a bitcoin-demonstration-service product API route', () => {
+    expect(
+      existsSync(path.join(uapiRoot, 'app/api/bitcoin-demonstration-service')),
+    ).toBe(false);
+  });
+
   it('depends on the formal protocol package instead of the standalone demonstration package', () => {
     const uapiPackageJson = JSON.parse(readFileSync(path.join(uapiRoot, 'package.json'), 'utf8'));
     const dependencies = {

apps/uapi/tests/protocolCommercialBoundary.test.ts

@@ -130,7 +130,6 @@ import {
   SPEC_VERSION
 } from './src/bitcode-runtime.js';
 import { CURRENT_CANON_POSTURE } from './src/canon-posture.js';
-import { buildBitcoinDemonstrationServiceDescriptor } from './src/canonical/v23-bitcoin-demonstration-service.js';
 import {
   buildV24ExternalRealizationDescriptor,
   resolveV24ActiveExternalRuntime
@@ -895,17 +894,6 @@ export function createAppContext({
     return sendJson(res, 200, { ok: true, state: buildPublicState(state) });
   }
 
-  /**
-   * @returns {{ ok: true, specVersion: string, service: unknown }}
-   */
-  function getBitcoinDemonstrationService() {
-    return {
-      ok: true,
-      specVersion: SPEC_VERSION,
-      service: buildBitcoinDemonstrationServiceDescriptor()
-    };
-  }
-
   /**
    * @param {{ environmentMode?: string | null | undefined }} [input]
    * @returns {{ ok: true, specVersion: string, externalRealization: unknown, activeRuntime: unknown }}
@@ -983,10 +971,6 @@ export function createAppContext({
         return sendJson(res, 200, resetState());
       }
 
-      if (req.method === 'GET' && req.url === '/api/bitcoin-demonstration-service') {
-        return sendJson(res, 200, getBitcoinDemonstrationService());
-      }
-
       if (req.method === 'GET' && req.url?.startsWith('/api/external-realization')) {
         const url = new URL(req.url, 'http://127.0.0.1');
         return sendJson(
@@ -1042,7 +1026,6 @@ export function createAppContext({
     createDeposit,
     makeBitcodeBranch,
     resetState,
-    getBitcoinDemonstrationService,
     getExternalRealization,
     executeLocalExecutorById,
     handle

scripts/specifying/server.js

@@ -2,7 +2,6 @@ export interface BitcodeAppContext {
   handle(req: unknown, res: unknown): Promise<void>;
   getState(principal?: string): unknown;
   resetState(): unknown;
-  getBitcoinDemonstrationService(): unknown;
   getExternalRealization(input?: Record<string, unknown>): unknown;
   getReadReview(input?: Record<string, unknown>): unknown;
   reviewRead(input?: Record<string, unknown>): unknown;