refactor: simplify distillation data layout

designir-pipeline/skills/cad-experience-builder/references/case-input-contract.md

@@ -2,8 +2,8 @@
 
 Case JSON is private evidence used only during induction. It may contain exact
 parameters, but the inducer never copies those fields into published experience.
-Store source STEP files in `workspace/teacher/inbox` and generated private
-evidence in `workspace/teacher/evidence`.
+Store source STEP files in `input/` and generated private evidence in
+`runs/evidence/`.
 
 Do not pass either folder or a case JSON to cad-router or a CAD backend.
 Creation, modification, and reconstruction may consume only the promoted public

designir-pipeline/skills/cad-experience-builder/references/llm-review-contract.md

@@ -1,10 +1,10 @@
 # LLM semantic review contract
 
-Read the sanitized `work/review/semantic-batch.json`, not raw STEP geometry.
+Read the sanitized `runs/review/semantic-batch.json`, not raw STEP geometry.
 Maintain stable proposal identifiers when an existing candidate expresses the
 same method.
 
-Write `work/review/experience-draft.json` with this shape:
+Write `runs/review/experience-draft.json` with this shape:
 
 ```json
 {