My Progress
Mastery of each concept, the predictions you wrote, the real labs you ran. Stored only on this device — no account needed.
“Finished reading” is not the same as “understood”. Café OS tracks five levels of mastery for each concept; the highest is explaining, in your own words, why a result happened.
- Seen：Read or watched the concept.
- Explored：Changed its variables in a scene.
- Predicted：Wrote a prediction before seeing the result.
- Applied：Used it on a real cup.
- Explained：Explained in their own words why a result happened.
These records live only in this browser on this device: no account, no upload. Clearing browser data deletes them too.
Applied understanding: three steps
The MVP north-star proxy (PRD §81): one digital experiment, one real lab and one explanation.
- Save a prediction (digital experiment) (Not yet)Predict in Chapter 23
- Complete a real lab (Not yet)Go to Real Labs
- Write one “why did it change?” (Not yet)Explain in a lab log
Local counters
Counted on this device only, never uploaded (M-01).
- Predictions submitted
- 0
- Labs completed
- 0
- Explanations written
- 0
- Tours completed
- 0
Nothing recorded yet. Open a chapter, write a prediction, or go brew a real cup.
Concept mastery
Only ever rises: Seen → Explored → Predicted → Applied → Explained.
Origin
- Coffee PlantNot started
- SpeciesNot started
- VarietyNot started
- OriginNot started
- ClimateNot started
- ElevationNot started
- Coffee CherryNot started
- HarvestNot started
Processing
- ProcessingNot started
- FermentationNot started
- DryingNot started
- Green CoffeeNot started
Roasting
- RoastingNot started
- Heat InputNot started
- FreshnessNot started
Grinding
- GrindingNot started
- Particle Size DistributionNot started
Water
- Brewing WaterNot started
Brewing
- DoseNot started
- Brew RatioNot started
- TemperatureNot started
- TimeNot started
- AgitationNot started
- Flow & ResistanceNot started
- ExtractionNot started
- StrengthNot started
- ImmersionNot started
- PercolationNot started
Espresso & Milk
- EspressoNot started
- PressureNot started
- Milk & TextureNot started
Sensory
- Sensory PerceptionNot started
- PreferenceNot started
My predictions
None yet
My explanations
None yet
Real lab records
Full brew logNone yet
Next change: one variable only
None yet