features/usb-automount.sh (installed via ./install.sh --feature, flag
usb-automount) mounts every unmounted removable block device at
/media/<label> — world-writable via -o umask=000 (fallback plain mount),
label-collision bump -2/-3, no-label -> usb-<name>. First root run
self-installs the hotplug udev rule (/etc/udev/rules.d/99-usb-automount.rules,
SYSTEMD_WANTS=usb-automount.service) + udevadm reload/trigger; an existing
rule is never overwritten. systemd/usb-automount.service (Type=oneshot,
WantedBy=multi-user.target) covers boot + hotplug + manual start, gated in
postinstall.sh's systemd loop exactly like autostart. Purpose: a plugged-in
stick is ready for pos system backup's post-verify USB copy without manual
mounting. Docs: SYSTEMD/SCRIPTS/README/AGENT_Context (tree, filetable —
postinstall.sh count corrected 152->163, it was already stale). Verified:
stub suite /tmp/opencode/usb-automount-test 47/47 green; make gen && make check.
- bin/pos-ai-gemini: one-shot ask (stdout-only, pipe-friendly), interactive
multi-turn chat REPL (q/Ctrl+C, /reset), models list; --model override,
default gemini-2.5-flash; key via x-goog-api-key header, never printed.
- Config scope 'ai' (AI_GEMINI_API_KEY secret, AI_GEMINI_MODEL) in
~/.config/linux_post_install/ai.env via 'pos config ai'; config/ai.env
template installed no-clobber by postinstall.
- Telegram listener: non-command text starting with 'ai ' (case-insensitive)
is answered by Gemini via 'pos ai gemini ask'; owner-chat only, errors
reply with the pos config ai hint. Future intents slot in as case arms.
- ai-gemini added to INTERACTIVE_CMDS (chat reads stdin).
- Docs: POS.md ai section + listener bridge, howto/ai.md, HOWTO/README
index rows, bin/pos usage example; make gen refreshed context/completions.
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