feat(w05): 差异评估活动登记进构建与安装通道;装包时顺带注册纯工具

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FJcX8A6TWp4GRs41TYryEh

tools/build-activities.ts

@@ -19,6 +19,7 @@ import { manifest as quoteSourcing } from '../activities/quote-sourcing/src/mani
 import { manifest as quoteAlternative } from '../activities/quote-alternative/src/manifest.ts';
 import { manifest as crmRelationshipCoverage } from '../activities/crm-relationship-coverage/src/manifest.ts';
 import { manifest as brandContentToolkit } from '../activities/brand-content-toolkit/src/manifest.ts';
+import { manifest as partSubstitutionAssessment } from '../activities/part-substitution-assessment/src/manifest.ts';
 
 const root = dirname(dirname(fileURLToPath(import.meta.url)));
 
@@ -31,6 +32,7 @@ const PACKAGES = [
   { dir: 'quote-alternative', manifest: quoteAlternative },
   { dir: 'crm-relationship-coverage', manifest: crmRelationshipCoverage },
   { dir: 'brand-content-toolkit', manifest: brandContentToolkit },
+  { dir: 'part-substitution-assessment', manifest: partSubstitutionAssessment },
 ] as const;
 
 for (const pkg of PACKAGES) {