The cost of a decision is not fixed. Change a data model in week one and it's a whiteboard edit. Change it in month six and it's a migration, a backfill, and a weekend nobody enjoys.
Ambiguity compounds
Unresolved questions don't stay small. Each one gets built on, and the assumptions calcify into code. By the time the ambiguity surfaces, it's load-bearing.
Resolve, then build
That's the lexer idea in our name: resolve the ambiguous source into precise tokens before you act on it. We map the system, its trade-offs and its risks up front, and you sign off on the architecture before we write the code that assumes it.
No black boxes. You see the design before it becomes a dependency.