From the Lab

The BlueWave Blog.

Thoughts on AI, building products, and the future of work. No fluff — just signal.

Tools2026-05-108 min

RoomPlan vs Matterport vs Polycam: which one belongs in your contractor's toolkit?

Three LiDAR-era scanning tools, three different jobs. A working design-build contractor breaks down what each one is actually good for on a job site — and where each one breaks.

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Hawaii compliance2026-05-096 min

Hawaii GET tax for contractors: how the §237-13(3)(B) sub-deduction actually works

Every Hawaii GC who hires subs is leaving money on the table if they don't understand §237-13(3)(B). A plain-English breakdown of the sub-deduction, what counts, what doesn't, and how to track it.

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Workflow2026-05-085 min

How to scope a renovation in 60 seconds (and why your hand-written estimate keeps losing jobs)

The five-step AI workflow we use to turn a site walk into a phase-by-phase scope of work in under a minute. With real numbers from real Honolulu renovations.

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Engineering2026-05-119 min

Shipping a multi-tenant SaaS in 9 weeks with Claude Code: 3 decisions I'd make again, and 1 I wouldn't

BlueWave Projects went from empty repo to a multi-tenant production SaaS running a real $139K construction job in 9 weeks of solo work. Here are the four architecture decisions that mattered, told honestly.

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Engineering2026-05-1111 min

LLM-in-the-loop scope generation: prompt caching, structured outputs, and the deterministic fallback ladder

How the BlueWave Projects scope generator turns a RoomPlan scan and a few photos into a phase-by-phase scope of work in 60 seconds — and what it falls back to when the model gets squirrelly.

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Engineering2026-05-118 min

Token economics: what 15 billion Claude tokens actually cost, and what they bought

An honest breakdown of where 15B Claude tokens went in one focused sprint of solo SaaS-building with Claude Code, what they actually cost, and the operator math behind agent-augmented engineering.

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Engineering2026-05-119 min

Hawaii-as-code: why I put a state's worth of parcels in Git instead of a database

Every TMK parcel, every building footprint, every address in Hawaiʻi lives as TypeScript modules in a single Git repository. The whole geospatial corpus diffs in PRs and renders as a 3D map. Here's why I built it that way.

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