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In plain terms: Forge can reconstruct, reconcile, measure, compare, draft, and flag. It cannot be the engineering authority, and it will not invent geometry to cover a gap in the record. Anything touching Class, Coast Guard rules, or safety passes through a human. This is structural, not a setting.

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It will not guess at missing structure

This is the limit that matters most in reconstruction work, and it is the easiest one to get wrong. When the drawings do not resolve something, the tempting move is to generate geometry that looks right. A model with no visible holes is more impressive in a demonstration. It is also actively dangerous, because a plausible invented frame is indistinguishable from a documented one once it is in the file. Forge does the opposite. An unresolved region stays in the model as a named open question with the evidence envelope around it. It remains selectable and inspectable, and it carries the specific question that has to be answered before stronger geometry can be claimed:
Gaps get flagged, not generated.
That means a reconstructed model tells you two things at once: what is supported by evidence, and exactly where it is not. A partner with a better drawing, a current survey, or direct observation can close a named gap. Nobody can close a gap that was quietly filled in.

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It will not be the design authority

AI proposes; humans decide; the gate is structural.
Forge is allowed to do the legwork: read the drawings, build the geometry, compute the measurement, find the conflict between two records, draft an assessment, propose an interpretation. It is not allowed to be the final word. Decisions touching classification society rules, Coast Guard compliance, or safety require a human to approve them before they become authoritative. This is not a configuration a customer could accidentally disable. It is built into the every output has to pass through.

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Where humans stay in charge

Class and regulatory decisions

Every decision touching Class or Coast Guard rules requires human approval, by structure.

Accepting a reconstruction

A reconstructed component becomes accepted engineering geometry only when a responsible engineer or surveyor accepts it, never on import.

What the AI is allowed to do

The catalog of permitted moves goes through a review checklist before any change ships. The AI cannot invent new moves at runtime.

Repair and production sign-off

Every sign-off that a work package is ready to execute is a human decision.

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When it is unsure, it stops

Forge is designed to abstain rather than guess. If it cannot read a drawing reliably, if a file’s units or scale are ambiguous, or if it cannot find the evidence a claim requires, it does not produce a number and hope. It stops before creating the record and says what needs resolving. Refusing to answer when the evidence is insufficient is treated as a quality behavior, and the system is held to a high bar for doing it well. The same applies to malformed input. A corrupted or unsupported file stops before it can emit geometry, measurements, or downstream work, rather than producing something partial that looks complete.

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It will not silently merge different moments in time

A ship’s record spans decades. The original construction drawings, a later modification, a survey from one year, and a scan from another do not all describe the same vessel state. Forge keeps those as distinct, labeled evidence states rather than averaging them into one confident-looking model. Two records can both be useful without describing the same side, surface, date, or physical reference.

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Why build it this way

The point is to make behavior boxable, auditable, and reversible. If a behavior turns out to be wrong, it is rolled back like any other versioned software change, not patched on the fly. That is what makes a Forge result defensible in front of a surveyor, an owner, or a regulator. See Where Humans Stay in Control for the full detail, and Keeping Your Data Yours for how sensitive designs are protected.