Add graphics_snapshot() function to query GPU details using nvidia-smi with 5s timeout. Parse GPU metrics including model, driver, UUID, serial, temperature, utilization, VRAM, power, clocks, and compute processes. Add NVIDIA_SMI_BIN environment variable with default "nvidia-smi". Add /api/graphics endpoint returning GPU data with error handling. Add Graphics navigation tab with purple expansion-card icon
nessi
7d1987c4f4