In two years, I gained 17 kg. And I never noticed.
2023.
State-level powerlifter. 82 kg. Then, an injury.
Then, Hyderabad.
August 2024. No gym. World-class biryani. 24 months later: 99 kg.
One story, two speeds · heart rate and weight, same timeline
Fitbit × Swiggy × scale
overnight heart ratebiryani order (Swiggy)body weight (trend)AI projection
My heart knew months before the scale did.
I did not ask for a workout plan.
I built a feedback loop.
Last week's failures become next week's inputs.
How, exactly
BuildGuardVerifyMeasureLearn
The day after a biryani · calories I ate, by hour, vs a normal day
pattern AI found
a normal daythe day after biryani+400 kcal, almost all after 10 pm
One biryani cost me twice. The second hit was invisible.
Assets in
AI works for me.
I did not start from zero. I reused what AI already helped me build.
Domain contextwho I am, how I workConnectors & toolspulls in Fitbit & SwiggyReusable skillsroutines I'd already builtSecure data patternsprivate by defaultGuardrailslimits AI won't cross
Assets out
And I work for AI.
The project gave assets back to the platform.
An eval harnessAI checks its own workSelf-learning routinessmarter after every failureTelemetrysee what's really happeningReusable patternsdrop into the next project
These aren't slides. They're files.
CLAUDE.mddomain context
new-demo/SKILL.mda reusable skill
evals.spec.tsAI checks its own work
supabase.tssecure connector
90% AI. 10% me.
The 10% was progressive overload. It is why I kept the muscle.