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.
 

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
 {

designir-pipeline/skills/cad-experience-builder/scripts/cad_experience.py

@@ -618,17 +618,15 @@ def plugin_root() -> Path:
 
 
 def default_library_path() -> Path:
-    return (
-        plugin_root()
-        / "workspace"
-        / "promotion"
-        / "promoted"
-        / "library.json"
-    )
+    return plugin_root() / "output" / "library.json"
 
 
-def parser_root() -> Path:
-    return plugin_root() / "workspace" / "teacher"
+def input_root() -> Path:
+    return plugin_root() / "input"
+
+
+def runs_root() -> Path:
+    return plugin_root() / "runs"
 
 
 def step_files(root: Path) -> list[Path]:
@@ -684,7 +682,7 @@ def extract_folder(input_dir: Path, output_dir: Path) -> dict[str, Any]:
 
 
 def default_review_dir() -> Path:
-    return plugin_root() / "workspace" / "promotion" / "candidates"
+    return runs_root() / "review"
 
 
 def prepare_semantic_batch(
@@ -1088,15 +1086,15 @@ def build_parser() -> argparse.ArgumentParser:
 
     extract_folder_parser = subparsers.add_parser("extract-folder")
     extract_folder_parser.add_argument(
-        "--input", type=Path, default=parser_root() / "inbox"
+        "--input", type=Path, default=input_root()
     )
     extract_folder_parser.add_argument(
-        "--output", type=Path, default=parser_root() / "evidence"
+        "--output", type=Path, default=runs_root() / "evidence"
     )
 
     prepare_parser = subparsers.add_parser("prepare")
     prepare_parser.add_argument(
-        "--input", type=Path, default=parser_root() / "evidence"
+        "--input", type=Path, default=runs_root() / "evidence"
     )
     prepare_parser.add_argument(
         "--library", type=Path, default=default_library_path()
@@ -1110,7 +1108,7 @@ def build_parser() -> argparse.ArgumentParser:
     publish_parser = subparsers.add_parser("publish")
     publish_parser.add_argument("--draft", type=Path, required=True)
     publish_parser.add_argument(
-        "--input", type=Path, default=parser_root() / "evidence"
+        "--input", type=Path, default=runs_root() / "evidence"
     )
     publish_parser.add_argument(
         "--library", type=Path, default=default_library_path()
@@ -1125,7 +1123,7 @@ def build_parser() -> argparse.ArgumentParser:
         help="LLM-authored proposal draft. Without this, publishing is blocked.",
     )
     distill_parser.add_argument(
-        "--input", type=Path, default=parser_root() / "evidence"
+        "--input", type=Path, default=runs_root() / "evidence"
     )
     distill_parser.add_argument(
         "--library", type=Path, default=default_library_path()