The diagnosis is the same everywhere. The fix depends on which assistant you're using, because the features have different names and different price tags. Pick your door.
Free, Pro, or Max. Covers Chat, Projects, Cowork, and a beginner path into Claude Code.
/init, CLAUDE.md, and week-one habitsWritten for the $20 tier specifically, including the Codex access most Plus users never open.
AGENTS.mdWritten for the work seat your org pays for, grounded on your Microsoft Graph.
Written for Business and Enterprise editions, where Gemini is already included.
@ file groundingThese three fail the same way on every model. Every guide starts here.
Prompting isn't dead. It got shorter. The work moved into the context it lands in.