Technical debt isn't the shortcut you took. It's the shortcut nobody wrote down.
Why this matters
Every codebase carries debt; the dangerous kind is invisible. It hides until velocity mysteriously halves, and by then nobody can say where it lives, so teams either ignore it until an incident or panic into a big rewrite that stalls the roadmap for a quarter.
The common mistake
Debt isn't created when you take the shortcut. It's created when you take the shortcut and don't write it down, because unwritten debt charges interest at a rate nobody is tracking.
How we approach it
The 2026 playbook: 1) keep a one-page debt register, every shortcut named, located, and dated, 2) split deliberate debt, a shortcut with a written payback date, from accidental debt found in review, 3) pay interest visibly, 10 to 15 percent of every sprint goes to paydown, on the board where everyone sees it, 4) never schedule a rewrite quarter, retire debt alongside the features that touch that code, 5) the AI-era addendum: unreviewed AI-generated code is debt with no author, so it enters the same register the day it's found.
A checklist you can use
Debt is the shortcut nobody wrote down
Keep a one-page debt register: what, where, why, payback date
Deliberate debt gets a payback date; accidental debt gets found in review
Pay 10-15% of every sprint, visibly — never a rewrite quarter
AI-era rule: unreviewed AI code is debt with no author
When to bring in help
Start the register this week: one page, four columns, what, where, why, payback date. An hour of writing turns your scariest unknown into a managed number. If the honest answer is that nobody on the team owns this end to end, that's the moment to borrow the depth rather than improvise it.
Takeaway
Debt you can see is a line item you manage. Debt you can't see is the mystery that eats your next two quarters.
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