Upgrade default model to MiniCPM-V 4.6; compact output panel into tabs

Deploy student-first exam coach

Add drill answer keys (validated on staging)

Add VoxCPM2 read-aloud (5th model; validated on staging)

Add download/print packet button (validated on staging)

Add model picker: MiniCPM-8B / NVIDIA Nemotron-4B / MiniCPM5-1B (validated on staging)

Add MiniCPM-V syllabus-snap (vision) + torchvision (validated on staging)

Live coach timer: ship coach_state + UI together (validated on staging)

Isolate GPU call (graceful fallback on worker failure) + skip ZeroGPU preload

Sync from GitHub: triage time-budget fix, MiniCPM-driven drills, UI polish, sub-4B model option, LICENSE

[Codex] Add optional Nemotron runway and public trace

[Codex] Preserve generated markdown in Space

Sanitize MiniCPM reasoning output with Codex

Make Space product-first and ZeroGPU-ready with Codex

Update llama runtime evidence from Codex 7fb3aaf

Deploy Exam Panic Rescue staging Space