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Found in review of the previous commits: - identity_seed() hashed only the UA, platform, screen size and core count. Those take a handful of values per OS, so over 500 launches the seed took 12-30 distinct values and every install drew its fonts, voices, GPU, media devices and canvas/audio noise seeds from that same short list. The seed now mixes in identity_salt(): derived from what the caller pinned the identity with (a Fingerprint, a preset dict, a config naming the UA) so relaunching that identity reproduces every draw, and random otherwise. A pinned preset now reproduces its noise seeds too; seeds the caller sets are kept. - Concurrent AsyncNewBrowser launches on one driver interleaved pin/restore: one browser inherited the other's mask and the driver could stay pinned. pin -> launch -> restore is serialized per driver. - Every pinned browser landed on cores 0..N-1; pins now take N adjacent cores from a random start. - A pinnable host with 1-3 cores reported 1, 2 or 3 (2 is the resistFingerprinting value); the table floor of 4 applies as on other hosts. - launch_options() callers that launch the browser themselves (launch_server, direct use) kept the drawn core count although nothing pins the browser; only Camoufox/AsyncCamoufox pass pin_cpu_cores=True now, everyone else reports the host's snapped count. - PLAUSIBLE_CORE_COUNTS gains 18, 22, 28 and 32, all recorded in the -v150 corpus. - The Windows voice list was drawn before the locale was resolved, so an fr-FR identity got en-US voices; it is drawn after locale/geoip now. - macOS "Alex" gets its com.apple.speech.synthesis.voice identifier. - CAMOU_PREFS env chunks are ASCII-only JSON (Windows getenv goes through the ANSI code page). Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>