chore(release): release Buzz Desktop version 0.3.45

[wpfleger96]

Buzz Desktop release v0.3.45

Changes since v0.3.44:

• chore(deps): bump crossbeam-epoch to 0.9.20 for RUSTSEC-2026-0204 (#1563) (75b52ad7e)
• fix(archive): atomic remove-kind path + split test modules (#1562) (484bede75)
• feat(archive): add agent turn-metric (kind 44200) local archive (#1555) (429f54b4f)
• feat(desktop,buzz-acp): add harness-agnostic config bridge and setup-listener mode (#1411) (d8355d318)
• fix(desktop): stop edit-channel dialog hanging on "Saving..." (#1557) (76806cb1f)
• feat(archive): add local-save archive with observer-feed default-on option (#1442) (711078807)
• feat(desktop): add Slack-like Drafts inbox with persistence and image fix (#1539) (4c598dcef)
• fix(setup): fix syntax error in seed-local-community.sh (#1547) (3729a6515)
• feat(desktop): add right-click context menu to workspace rail (#1552) (0e87998f8)
• fix(desktop): restore saved window geometry on launch (#1554) (e790c9828)
• feat(desktop): add typeahead search to persona model dropdown (#1542) (3b43743e1)
• fix(desktop): publish new agent profiles to active relay (#1546) (346efe08b)
• chore(desktop): use dot access for host header assignment (#1548) (ccfdf45bc)
• fix(onboarding): guard against webkit2gtk WAL race with explicit profile-event signal (#1508) (c2ee4d162)

To release: merge this PR. The tag and build will happen automatically.