Settings
Tune the instrument.
Choose the model that thinks with you, shape the master prompt that governs its voice, and manage what stays on this device.
Pick your thinking partner
Both run through the same diagnostic prompt. Gemini moves quickly; GPT-5 sits with the question longer.
The instructions behind every conversation
This is the operating manual the AI reads before it speaks. Edits live on this device and apply to new sessions immediately.
Prompt is sealed
Enter the password to view or edit the master prompt. This prevents casual eyes from reading the operating manual.
The three system messages behind /diagnose
These govern the two-layer diagnostic flow: framework classification, the question bank, and the strategy mapping table. Read-only — embedded verbatim from spec.
Unlock the master prompt above to reveal the Deep Diagnosis system messages.
Local, portable, yours
Everything you've written lives in this browser. Take it with you, or wipe it clean.
Everything stays in this browser. No accounts, no cloud, no analytics.