rdmsm4x - code - RTTy 524 usage-profile auto-selection and discovered-target switches on branch - claude-a9501cbf - TASK-20260925-08 - RTTy - 20260925-1652

One line: RTTy 524 now picks a usage profile (Microsoft 365 worker, Remote worker, Gamer, Creator, Developer, General) from installed apps and turns its app checks on, adds 8 catalog services, and gives the router/resolvers/baselines/peers their own switches — on branch grok/524-usage-profile, not merged.

• Host / scope: rdmsm4x only. Work ran 2026-09-25 16:30:22 → 16:52 EDT, headless, claude@rdmsm4x/a9501cbf, dispatched by grok@rdmsm4x/fleet-wd.
• Where: mirror /Users/richh/dev/_scratch/rtty-524-usage-profile-20260925, branch grok/524-usage-profile, stacked on grok/524-auto-enable e49e028 (decision recorded in the HANDBACK and on the ticket). Commits 390ad31, e8c89d1, 9a0407a, 8abe3a2. Pushed to backup only; remote = local = 8abe3a2.
• Files: new Sources/LatencyCore/Profiles/UsageProfile.swift, Sources/LatencyCore/Profiles/DiscoveredProbeKey.swift, Sources/RTTy/Stores/ObservationStore+UsageProfile.swift, Sources/RTTy/Views/UsageProfileSettingsSection.swift, Tests/LatencyCoreTests/UsageProfileTests.swift; edited BuiltInServiceCatalog.swift, ServiceMonitorProfile.swift, InstalledApplicationDiscovery.swift, ObservationStore.swift, SettingsView.swift, ObservationStoreStartupTests.swift, InstalledApplicationDiscoveryTests.swift, both FEATURE_MATRIX.md copies.
• Verification (counts): base e49e028 RTTyTests 1285 / LatencyCore 359 / PrivilegedCapture 71 → branch 1292 / 374 / 71 (one old pin failed and was updated; that suite re-ran 2/0) → compose with layer12 + flows-resize 1315 (8 skipped, 0 failed) / 426 / 71. Three mutation checks each caught. validate_docs rc=0, privacy contract rc=0, git diff --check clean, merge-tree 0 conflicts vs main, auto-enable, layer12, flows-resize, build523.
• Reality checks: all 8 new catalog hosts resolved and answered TCP/443 from rdmsm4x (dig + nc).
• Backups / undo: branch only; nothing merged or installed. Undo = delete the branch. The throwaway baseline worktree _scratch/rtty-524-usage-profile-baseline-20260925 was created and removed by this session (nothing unique in it).
• Outstanding for the lead: register 4 new sources in the Standard project.yml + re-pin the trust chain (closure tests already fail on main for CustomServiceProfileManager.swift); merge after auto-enable; two one-line seams in layer12's popover (usageProfileSummary, includedPeers.count); 60 s zero-setup gate measurement and the §6 acceptance on jdmbair13m5 need an installed build.
• Handback: ~/dev/_handoff/rtty-524-friendly-default/usage-profile-run-20260925/HANDBACK.md.
• No secrets in this record.