Record verified Rampage 0.3.0 publication

[Chris-ObtuseAI]

What changed

• marks the public 0.3.0 release artifact gate PASS
• records the exact merged source commit and public release URL
• records independent post-publication byte-size and SHA-256 verification for all four assets
• preserves the unsigned Authenticode boundary
• leaves physical owner-to-laptop Remote Assist explicitly pending

Validation

• release is public, non-draft, and non-prerelease
• target commit is 26f1a6cf455ab6efb90f6c99181965d77cec924b
• MSI and NSIS public downloads match the locally smoke-tested artifacts byte-for-byte
• checksum and distribution-manifest downloads match their recorded SHA-256 values
• git diff --check passes