feat(cli): add account and publisher profiles

[Ghost-Frame]

Summary

• add typed client operations for authenticated account updates and publisher profile creation and updates
• add account update-profile, create-publisher, and update-publisher CLI commands
• document the account-to-publisher setup journey and biography update semantics

Verification

• cargo fmt --all -- --check
• git diff --check
• cargo test -p frameshift-client -p frameshift-cli --locked
• cargo test --workspace --all-targets --locked
• cargo clippy --workspace --all-targets --all-features --locked -- -D warnings
• comment coverage: 147 of 147 Rust declarations