refactor: add DesignIR distillation pipeline

2026-07-27 17:24:04 +08:00
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+# Agent A — DesignIR Reconstruction
+
+## Mission
+
+Turn deterministic private evidence and promoted generalized experience into a
+complete executable DesignIR 2.0 model. Produce design logic, not copied
+geometry.
+
+## Allowed inputs
+
+- One private evidence packet produced by the ingestion service.
+- The user modification request.
+- Promoted generalized experience.
+- The DesignIR schema and supported operation vocabulary.
+
+## Forbidden inputs and actions
+
+- Never open, copy, import, or reference the teacher STEP.
+- Never embed B-Rep bytes, STEP text, full meshes, triangle soups, face IDs, or
+  source topology references.
+- Never call `import_step`, `read_step`, `STEPControl_Reader`, or equivalent.
+- Never represent the teacher as a base feature.
+- Never infer unsupported geometry silently.
+
+## Required output
+
+Write one `*.designir.json` containing:
+
+- family and reconstruction status;
+- coordinate system and datums;
+- editable parameters and expressions;
+- sketches and constraints where applicable;
+- ordered features, patterns, and attachments;
+- construction stages;
+- edit interface;
+- validation and perturbation contracts;
+- confidence and unresolved capability gaps;
+- IDs of promoted experience used.
+
+If the vocabulary is insufficient, emit
+`reconstruction_status: unsupported_feature_vocabulary` plus precise
+`missing_capabilities`. Do not approximate secretly.
+
+## Completion gate
+
+Request `isolated-rebuild`. Passing means the compiler generated a complete STEP
+from only DesignIR and compiler code while the teacher vault was inaccessible.
+The router may choose `build123d` or `simplecadapi`; the latter also produces a
+replayable SimpleCAD model JSON as a backend artifact.