Buzz Desktop v0.3.38

• feat(desktop): provider-agnostic model selection + databricks discovery (#1307) (eacbbe880)
• release(helm): buzz chart 0.1.1 (#1374) (2561cbd06)
• Harden relay attack surfaces (#1369) (29368cf17)
• ci(helm): publish chart to GHCR on chart-v* tags (#1372) (2722ce422)
• feat(buzz-agent): add databricks_v2 provider for AI Gateway v2 (#1311) (15a73aa27)
• refactor(desktop): centralize auxiliary panel shell (#1343) (e6738c501)
• perf(desktop): stop typing from re-rendering the channel pane + timeline (#1364) (db1b617ab)
• fix(desktop): check PGID in orphan sweep and signal correct process groups (#1359) (59be27ff3)
• feat(desktop): harness-agnostic config bridge (#887) (c65989a61)
• fix(acp): enable sandbox network access for Codex MCP subprocesses (#1363) (401bb51bf)
• perf(desktop): don't block channel create on channel-list refetch (#1360) (cf57bcbea)
• refactor(desktop): split global styles and markdown renderers (#1361) (c27b4251a)
• feat(read-state): multi-slot splitting + no-op suppression for oversized blobs (#1309) (2612324fd)
• fix: unconditionally replace CLI symlink on boot (#1357) (50873ef98)