Skip to content
Heidelberg AI
Curriculum
Heidelberg AI
PRD
Heidelberg AI
Desk
Light
Dark
System
Search the whole curriculum
Search
‹
☰
Course index
Journeys
Learn by Level
List
Matrix
All books
Compare the outcome you want, then open a book. Filter by level and track.
Level
All levels
L01 · User
L02 · Power user
L03 · Builder
L04 · Integrator
L05 · Operator
Track
All tracks
T01 · Foundations & judgement
T17 · Structure & understand
T02 · Chat & assistants
T03 · Prompting & context
T09 · Create media
T15 · AI in research
T18 · AI for lab data
T04 · Your documents & knowledge
T05 · Automation
T06 · Build apps
T07 · Agents
T21 · Delegate desk work
T20 · AI harnesses
T08 · Write code
T19 · Share & review code
T10 · Data & analysis
T14 · Connect your tools
T11 · Run your own AI
T12 · Security, privacy & governance
T13 · Adoption & enablement
T16 · Choose tools
Sort
Curriculum order
Shortest reading time
All books
Not started
In progress
Completed
Progress is saved in this browser only.
1 book
Clear filters
Write code
1
T08-L01
Start With OpenCode: Set It Up, Change One Line, and Undo It
A before-and-after table of five searches for your changed page, a screenshot of the Review panel showing the one changed line, and one sentence saying how you undid the change; it passes when all five results match, only the intended line changed, and Undo brought the old behaviour back.
User
18 min read
Tools
AI models