Buzz Desktop v0.5.4

Desktop and shared changes

• fix: report agent usage per provider round, not once per turn (#4545) (09c86c56e52651c017743268fc8ce708bb83b265)
• fix(desktop): harden Windows installs against Defender block and orphaned Node (#4382) (80315ac1a68024c40b61f3a062c9cb6bf7d4efb5)
• feat(desktop): improve channel template discovery (#4549) (c1b88af8d71d1cf6aaca517e92ce9e918cd0e8bd)
• fix(desktop): save key backups to authorized path (#4022) (01c80aa9b3eaa569361966877994438ad84a280a)
• Add channel activity hover menu (#3935) (b0c6d6f744e63ac88a1738f0e995680c163e1d13)
• feat(desktop): show saved Run on settings when editing an agent (#4539) (f865c0054b0a400657126c9321b4d4cb7d9cc746)
• fix(desktop): disambiguate provider API key labels and annotate mint key (#4406) (5e0efb0bb95182f588390b55cc5affa09114c87e)
• fix(desktop): make OpenAI key re-enterable after first save in card mint dialog (#4140) (f810a2f49e213d25119f2aa75b5b577655119b74)
• fix(config-bridge): add harness-definition env tier and fix equal-value model override (#3580) (be95a8a986d02319b27e8fb57aefe59e33a1eb13)
• fix(desktop): stop the create-agent provider config probe from erasing keystrokes (#4411) (2c0ac2467437b30953a95e00f419143488bcfcc7)
• feat(acp): deliver system prompt via _meta.systemPrompt for claude-agent-acp (#4395) (7ff5fc31895efe6265a379d01637c8ee301872e5)
• fix(security): bump nostr crates for RUSTSEC-2026-0225..0232 + default sprig image to published digest (#4392) (318fbf896ec335bc7bcb40edafde0b6ebca53428)
• fix(desktop): back/forward via keyboard chords, mouse X1/X2 buttons, and swipe gestures (#3778) (f86cfc7369d4471f8939ed98be6f597b0a4b0bb2)
• feat(k8s): Kubernetes backend plugin + desktop deploy path (#4289) (6530b58a61d4602d0a371100fedf80c5998b1e34)
• feat(projects): add buzz projects CLI commands (NIP-MP kind:30621) (#4020) (b7bb15122e8a2053b545dc2210afc167f6c7a626)
• fix(desktop): keep thread-open affordance in archived channels (#4012) (8e81afa431deecd172f1ad6aab6f022f31cd812c)
• fix(desktop): point Oh My Pi preset at omp.sh (#3516) (3ade48d5030a8f7dbb9d3693f171e5544dcd8df1)
• fix(mesh): stop restarting a busy or loading shared-compute node (#3909) (fa1a5b1a797870724f5c7e7e26931861a60f22cb)
• fix(desktop): preserve first huddle speech (#3962) (45314fc504113aec7c54ae6520cfe5e1562aae40)
• feat(desktop): Agent Trading Cards — mintable agent-snapshot card PNGs with optional NIP-44 lock (#3278) (eb049ddf815d48195e1713afe039d28c950d7933)
• feat(relay): accept kind:30621 multi-repo projects at ingest (#3171) (cb9701cd30fb344bf134585634a09007f3155bfb)

Other repository changes

• test(mobile): assert follow boundary semantics (#4559) (6de85fe31d781122756aecf954bae7d357a56b9a)
• docs(release): align desktop handoff instructions (#3988) (44fa1e8e3af30d561de981a211ff7a79bfa36493)
• Polish mobile composer and messaging UI (#3918) (857e63c4ddfb76f95ab40bb691e00544413f6b81)
• ci(linux): enable mesh-llm feature in Linux release and canary builds (#4524) (83a285f1b1a0be862d55781fad9c75ec8813886d)
• fix(mobile): recover and pace live subscriptions (#3053) (a5dbdf5e61e4c512acd99c219c79c154ddb57295)
• fix(git): allow deleting the default branch (#4297) (fc598f5f8d70728d11d0712b9fa8e3acc44ea4c3)
• docs: formal spec for remote agents and their management (#3748) (28ae6cd2174309529305724e455c7ca082f6fe4b)
• fix(nip-oa): accept raw Nostr tag form in parse_json_array (#4203) (89bf03c05df795a3575b7abbe648be898ef13388)
• perf(relay): serve relay-membership checks from the read replica (#4124) (ac4fa13b8e4d947071d57deb6918dcf12bf74961)
• chore(deps): bump nostr-relay-pool for RUSTSEC-2026-0224 (#4139) (9d6726e5b387310975f5809473ce8372f6fde0dc)
• docs(nostr): document #h requirement for live reaction subscriptions (#3487) (756dd7f65d6f2995e9188a0ffe54294057f8ef4f)
• docs(chart): fix ArgoCD example for native OCI sources (full artifact repoURL + path) (#3426) (36cf932ff0105a4cf574fc687deb4c1cb01bc0d1)
• docs(readme): clarify which release asset to download per platform (#3481) (8d5afb606763fcaffd3af811be2106e41cc7347d)
• fix(relay): allow open relays to set their NIP-11 workspace icon (kind:9033) (#3998) (5765fc74b77224f0207ddd4b41736a5ff18d333d)
• docs: note that addressable channel events scope by d, not h (#4103) (3d7712cc36e8da563cb1c121fc58bfc505d38496)
• docs: fix stale kind count, quick-start numbering, and empty Further Reading (#2613) (909a3b2c318b2ec477a3438a998a3b611f5b6d6a)
• docs: add one-click Railway deploy for a hosted relay (#2733) (19d57b0d46baa55814ac737041a36d0b405c9f64)
• fix(buzz-acp): thread cache-read tokens into NIP-AM kind:44200 events (#3999) (b1b283cd4c7f926e12eeee8ae1f38c7471922b16)
• fix(release): preserve main in desktop PR body (#3979) (e5e5bac2a932b2b2e4eb6b559d5545a992c21b96)

Compare desktop-v0.5.3...desktop-v0.5.4