Migrate Manifold world-model research into portfolio

[130U]

Summary

• publish the Chinese conclusion-first desk-research report as research.002, with an aligned English companion
• preserve the complete sanitized source snapshot: 389 tracked files / 13,057,234 bytes, plus a per-file SHA-256 migration manifest
• expose the research archive and migration record from the article page, with a desk-research evidence legend
• keep the later WAM/VLA research separate and leave the standalone source repository unchanged

Integrity

• source commit: 6273e90ff03d575c46f3122ef6378ad1c2e96720
• source tree: e6ea5713ccc87638467fb782905f26c3618f3716
• snapshot mismatches: 0
• source repository audit: passed
• reader text audit: 318 files passed

Validation

• npm.cmd run check — passed (0 errors, 0 warnings, 0 hints)
• npm.cmd run build — passed
• built-site audit — 8 HTML pages / 3 published article routes passed
• staged migration-layer whitespace check — passed; historical snapshot whitespace intentionally retained for byte identity

The source repository was not modified or deleted.