Clarify the Protocolix scaffold and integration boundary

[ipicoinrepo]

Summary

• describe the checked-in Capacitor Android and iOS project trees accurately
• identify the current default camera demo and absent wallet behavior
• define the intended wallet and hardware-key integration boundary
• declare the Node 22.12 runtime required by the current toolchain
• refresh vulnerable transitive lockfile entries

Validation

• GitHub Application CI: success
• npm audit --omit=dev --audit-level=high: 0 vulnerabilities
• Node 24 tests step passes with no application test files
• Node 24 Vite production build
• git diff --check

Review notes

No native build or wallet functionality is claimed. The Apache-2.0 license and security route are preserved.