After any task (not just major projects), one line: what lesson won't I forget? — accumulates into an actual wisdom library.

Before writing, describe reader in 5 sentences: age, job, knows, doesn't know, decision he makes.

Log every task you do for a full week, then tag: delegable / non-delegable.

Who influences whom? — draw network to know "who talks to whom to shift decision".

Assign the model a specific background and expertise so its answer matches a real expert level.

Don't repeat instructions every message — set them once in System Prompt, save 70% writing time.