Fix LEZ Core maintained runtime provenance

[3esmit]

Summary

• pin the execution-zone runtime to an immutable revision from the maintained fork
• include the Testnet wallet runtime fix from 3esmit/logos-execution-zone#16
• adapt wallet create/open to the runtime statistics sidecar without changing the public module API
• bump LEZ Core to 0.4.0-alpha.1
• reject upstream or mutable execution-zone inputs in the release contract

Runtime compatibility

This revision pins the merged maintained runtime at 47184385cd02d4adb5732c195fe1aa6ee36039ca. That runtime fixes native wallet transfers for the Testnet profile while preserving the module API surface.

Verification

• Nix unit test build passes: 61/61 tests
• Linux AMD64 portable LGX builds successfully
• fresh LGX installation through the package manager succeeds
• isolated LogosCore discovery/load, name, version, account-ID codec round trip, unload, and clean shutdown pass
• direct Basecamp-core host proof passes: the bundled liblogos_core loads and unloads the fresh lez_core LGX through its bundled logos_host
• git diff --check passes

Keep this pull request draft until updated dual-platform CI passes and real Testnet wallet/transaction acceptance completes.

Closes #15

[3esmit]

Updated this branch for the maintained wallet runtime now merged in 3esmit/logos-execution-zone#18.

• pin is now immutable 6e0013f5b771fc1b96a65361b531f289111b8aaa
• LEZ Core candidate is 0.4.0-alpha.2
• local source-release contract passed
• nix build .#checks.x86_64-linux.unit-tests --no-link -L passed 61 tests
• nix build .#lgx-portable --no-link produced lez_core@0.4.0-alpha.2
• fresh LGPM installation into an isolated LogosCore daemon passed load, method inventory, name, version, unload, and not-loaded verification

The package remains draft until this PR CI and the upstream native alpha.2 release gate complete.

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