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GrokLink OS v3.8.0 - Storage, Skills & Persistent Autonomy

Date: 2026-07-29
Codename: Field Research (storage-backed)

Summary

v3.8.0 closes the roadmap gap after the USB-stable field unit (3.7.x): durable storage, hot-load skills/missions, persistent vault, hardened spectrum duty planner, and clearer operator status - without weakening default-deny safety or MedSec passive posture.

What changed

Area Delivered
Storage Crash-safe host FS API, layout, degraded modes, integrity markers
Skills SD scan/merge, refcount, unload, optional GLKSIG1 verify hook
Vault Hash-chained durable events + optional seal; reboot-survivable on sim
Spectrum Min settle enforced, duty budget, arbiter, breaker fail-closed
Agent Resume tokens, power-aware deferral
GUI STORAGE page + SAFETY arm feedback
Bridge/RPC API 6; status + skill/storage/vault/planner/power commands
Tests storage_v38, spectrum_duty; all host ctest + bridge pytest green

Build / test / flash

Host simulation

cd GrokLink-OS
cmake -B build-host -DGLK_PLATFORM_HOST=ON -DGLK_BUILD_TESTS=ON
cmake --build build-host --config Release
cd build-host; ctest -C Release --output-on-failure

# Run host OS (RPC :7341)
$env:GLK_SD_ROOT = "$PWD\..\sd_card\groklink"
$env:GLK_RUN_MS = "3000"
.\Release\groklink_os.exe

Bridge

cd bridge
py -3 -m pip install -e .
py -3 -m pytest tests -q
groklink-os storage-status
groklink-os skill-scan
groklink-os vault-status
groklink-os spectrum-status

Device DFU (unchanged packaging path)

# OsRadio / CDC profiles as before
powershell -ExecutionPolicy Bypass -File tools\build_dfu.ps1
# Flash via qFlipper / dfu-util per docs/DFU.md and docs/FLASH_LATEST.md

Safety (unchanged non-negotiables)

  • Education phrase: I_WILL_USE_ONLY_AUTHORIZED_TARGETS
  • Default-deny TX / GPIO / contact / system
  • No third-party remote decode or rolling-code prediction
  • Observation tools remain passive-only
  • Not a medical device - MedSec = authorized research / facility instrument only; medsec-strict forbids TX

Known limitations

  • Device littlefs/SDMMC mount is API-ready; host sim is the full fidelity path today. Bare-metal without FS stays ROM-passive.
  • Skill signatures are lightweight GLKSIG1 + FNV integrity (hook for Ed25519 later); not a secure-boot substitute.
  • Vault seal is operator-token protection, not full-disk encryption; PHI tooling stays host-side.
  • Spectrum duty budgets are software-enforced in the radio worker (must not be bypassed by new RPC).

Suggested next (3.9)

  • BLE status channel (M0+ IPCC skeleton)
  • Real littlefs on SDMMC for field durability
  • Ed25519 skill/package verify when crypto budget allows
  • Minimal GrokLink Desktop (DFU + serial + observe)
  • CI host-test only (device DFU remains human-gated)
  • Soak scripts for USB open/close + plug-sync

Operator one-pager

  1. Flash latest DFU or run host sim with sd_card/groklink.
  2. groklink-os edu-ack then status - expect version: 3.8.0, api: 6.
  3. storage-status / skill-scan / vault-status for new surfaces.
  4. Unplugged: SAFETY hold OK or prepare-unplugged - passive only; plug-sync on reconnect.
  5. Never clinical use. Authorized targets only.