Every session.
One finding. One fix.
APEX reads every input you make. Finds the one habit costing you time. Gives you one drill. Your data confirms it worked.
APEX LINE
The physics-computed perfect lap for your car on this track. No human drove it. Derived from the friction circle, corner geometry, and your car's grip ceiling. This is the ceiling. The gap between your lap and APEX LINE is your LINE GAP — the time that belongs entirely to you.
PHANTOM GAIN
You carry 3 kph more speed at the apex. You lose 310ms through the section. The gain at the apex was real. The improvement was not. APEX COACH detects this and names it. Most drivers spend entire seasons optimising the wrong thing. PHANTOM GAIN catches it in one session.
COACHING VERDICT
After your session, APEX opens with its verdict — the one thing it found that matters most. Not a summary. Not a dashboard. A coaching conversation, grounded in your actual telemetry. "Corner 4 cost you this session. Here is why." Then it answers your questions.
// SESSION DEBRIEF · SARDEGNA-A · GR.3 · LAP 7 // PHANTOM GAIN DETECTED — CORNER 4 Corner 4 cost you 310ms this session. You were faster at the apex than the APEX LINE reference. You were slower through the section. You are solving the wrong problem. LINE TRADE recommended: take the late apex. Recovery: 0.28s per lap.
Drive
APEX reads every input at 60Hz. The HUD shows throttle, brake, gear and delta while you drive.
Detect
Not one lap. Across sessions. One pattern identified — the single habit costing you the most time.
Prescribe
One drill. The highest-priority limiter. PHANTOM GAIN, LINE TRADE, WALL — named precisely, not buried in technical clutter.
Prove
Clean sessions confirm improvement. Your level advances when the data says so — not when you feel faster.
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