refactor: simplify distillation data layout

designir-pipeline/skills/cad-experience-builder/SKILL.md

@@ -10,11 +10,10 @@ published library and require repeated support before promoting any experience.
 
 ## Required workflow
 
-1. Put source `.step` or `.stp` files in
-   `workspace/teacher/inbox/`. Only deterministic ingestion and Agent B may
-   access this vault.
-2. Parse every new, content-unique STEP into visible private JSON under
-   `workspace/teacher/evidence/`:
+1. Put source `.step` or `.stp` files directly in `input/`. Git ignores this
+   directory; only deterministic ingestion and Agent B may access it.
+2. Parse every new, content-unique STEP into private JSON under
+   `runs/evidence/`:
 
    ```bash
    ../../scripts/cad-experience extract-folder
@@ -26,11 +25,11 @@ published library and require repeated support before promoting any experience.
    ../../scripts/cad-experience prepare
    ```
 
-4. Read `workspace/promotion/candidates/semantic-batch.json` completely. Act as the semantic
+4. Read `runs/review/semantic-batch.json` completely. Act as the semantic
    distiller: compare families, parameter roles, datum roles, canonical
    reconstruction stages, feature cardinality classes, relations, prior
    vocabulary, failure rules, and validation targets; then author
-   `workspace/promotion/candidates/experience-draft.json` using
+   `runs/review/experience-draft.json` using
    `references/llm-review-contract.md`.
 
    Propose methods, invariants, and family-level `reconstruction_grammar`
@@ -44,7 +43,7 @@ published library and require repeated support before promoting any experience.
 
    ```bash
    ../../scripts/cad-experience publish \
-     --draft ../../workspace/promotion/candidates/experience-draft.json
+     --draft ../../runs/review/experience-draft.json
    ```
 
    The publisher recomputes support from the private corpus, rejects numeric
@@ -55,14 +54,14 @@ published library and require repeated support before promoting any experience.
 
    ```bash
    python scripts/cad_experience.py audit \
-     ../../workspace/promotion/promoted/library.json
+     ../../output/library.json
    ```
 
 7. Query only the published library for creation, modification, or rebuilding:
 
    ```bash
    python scripts/cad_experience.py query \
-     ../../workspace/promotion/promoted/library.json \
+     ../../output/library.json \
      --family flanged_hub_adapter \
      --features base_flange,hollow_sleeve,counterbore
    ```
@@ -88,8 +87,10 @@ required.
   family without publishing any teacher dimensions.
 - Exact source paths, hashes, dimensions, coordinates, and face references are
   permitted in private case JSON and forbidden in the published library.
-- Keep input/output as a human-visible staging area and induction corpus. Never
-  use it directly during creation, modification, or reconstruction.
+- Keep `input/` and `runs/` as a local-only induction corpus. Never use them
+  directly during ordinary creation, modification, or reconstruction.
+- Commit only the verified runtime library in `output/`; never commit source
+  STEP files, extracted evidence, review drafts, reports, or rebuilt parts.
 - A semantic candidate is not a trusted design method until repeated,
   independently sourced cases satisfy the promotion policy.