Release Aura3D 2.0.4 Meshy CLI pipeline

[gchahal1982]

Summary

• release the synchronized Aura3D 2.0.4 package family
• add the bounded Meshy CLI asset-pipeline import, admission, provenance, rights, secret, MCP, and workflow surfaces
• add and deploy the typed Meshy relic prototype route
• update README, package docs, changelog, release notes, marketing source, templates, and current version policies

Validation

• 84 focused Meshy/asset tests passed
• 36 setup, launcher, MCP, Keychain, docs, and workflow checks passed
• full TypeScript and package build passed
• docs/site/version alignment passed
• browser pilot proof passed
• Meshy secret scan passed over 5,323 files
• comprehensive pnpm verify:npm-release passed
• official 29-package publish-all.mjs --dry-run passed against commit 25c0e8d6
• Vercel production artifact includes /apps/showcase-meshy-relic-pilot/ and the exact 3,486,768-byte optimized relic GLB

Boundaries

Meshy remains an upstream provider and CLI asset pipeline. Imports are candidate-only. Rights are supplied and recorded, not inferred. The pilot remains a prototype and does not claim imported collision geometry or expanded renderer/engine capability.