[domenkozar]

Move oo7's D-Bus client, daemon, CLI, and portal to zbus 6. Together with the GVariant split already merged in #552, this removes the standalone zvariant, zvariant_derive, and zbus_names packages from the workspace lockfile.

• Use zbus::wire types, Variant/OwnedVariant, and as_variant adapters, retaining the existing Secret Service signatures and GNOME double-wrapped variant handling.
• Adapt deferred builder validation, request-name flags, owned property deserialization, and the standard Unix sockets required by the peer-to-peer test harness.
• Preserve the public tokio and async-std features, mapping the latter to zbus/default-rt. Keep zgvariant for keyring files and the PAM socket protocol.
• Remove the daemon's unused enumflags2 dependency.

Applications passing connections to oo7 must use zbus 6, available through oo7::zbus.

This depends on the ashpd zbus 6 migration: bilelmoussaoui/ashpd#491. To make the complete workspace buildable and testable, ashpd is temporarily pinned to a port backported onto its stable 0.13.13 APIs. Replace that Git pin with a released ashpd version and remove its deny.toml source allowance before merging/releasing this change.

Validation:

• cargo check --workspace.
• cargo test -p oo7 -p oo7-daemon -p kwallet-parser --features oo7/schema: 248 passed, 2 ignored, including encrypted/plain peer-to-peer Secret Service tests, GNOME and Plasma prompts, signals, keyring fixtures, and PAM listener tests.
• OpenSSL client tests: 129 passed, 2 ignored. OpenSSL daemon tests: 104 passed.
• Workspace Clippy with all targets and -D warnings; client Clippy for async-std/native and Tokio/OpenSSL; async-std/OpenSSL check.
• Nightly cargo fmt --all --check and git diff --check.
• cargo-deny check bans licenses sources: all pass. cargo-audit 0.22.2 reports zero vulnerabilities and zero advisory warnings against the current RustSec database. The locally installed cargo-deny 0.18.2 cannot parse CVSS 4 advisories, so its advisory check is covered separately by cargo-audit.

Prepared with Codex.

[github-actions]

📊 Code Coverage Report

Metric	Value
Current PR Coverage	83.40%
Main Branch Coverage	83.37%
Coverage Change	📈 +0.03%

Coverage report generated by cargo-tarpaulin

[domenkozar]

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