Surface stamp:
- AutoSession._loadPersistedModeState() now calls detectSurface() to stamp
the correct surface (headless/web/tui) from env vars on every startup.
Persisted surface value was the previous launch's surface — wrong when
switching between TUI and headless on the same project.
SF_HEADLESS=1 → 'headless', SF_WEB_BRIDGE_TUI=1 → 'web', else 'tui'.
/mode yolo:
- handleModeCommand now recognises 'yolo' as a toggleable special case.
Headless callers can now run: sf headless --command '/mode yolo'
Same behaviour as Ctrl+Y: full-autonomy slam + settingsManager bypass.
/mode catalog description updated to list 'yolo' as an option.
Documentation:
- headless.ts /query and /doctor short-circuits annotated as intentional
architecture trade-offs with a note to keep them in sync with the extension.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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