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CHANGELOG.md

@@ -54,3 +54,11 @@
 
 - Public product UI without experimental tabs.
 - Universal model-card builder and existing-Space validator.
+
+## V22 — dependency compatibility and build repair
+
+- Removed the obsolete generated-Space constraint `huggingface_hub<1.0.0`.
+- Generated Spaces now normalize Hub requirements to a modern compatible range (`huggingface_hub>=0.34.0,<2.0.0`, or `>=1.5.0,<2.0.0` when Transformers 5.x is detected).
+- Added one automatic Pi repair pass when the generated Space fails build/runtime validation.
+- The repair pass collects Space build/runtime logs, asks Pi for a minimal patch, reuploads the workspace, and retries validation once.
+- Repair artifacts are stored under `runs/<run_id>/repair/` and logs under `logs/pi_repair_output.txt`.

README.md

@@ -88,3 +88,9 @@ SPACE_FACTORY_BUCKET_MOUNT=/output
 ```
 
 Do not configure a shared owner/name bucket for a public Space. The app uses HF OAuth; no global admin token should be stored in the Space.
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+### Build repair behavior
+
+If a generated Space fails during build or startup, the builder now performs one automatic repair pass. It collects the Space build/runtime logs, gives them back to Pi, asks for a minimal patch, reuploads the workspace, and retries validation once. This is intended for common issues such as dependency resolver conflicts, missing imports, invalid metadata, or Gradio endpoint mistakes.
+
+Generated Spaces no longer pin `huggingface_hub<1.0.0`; modern model cards may require Transformers 5.x, which in turn requires newer Hub versions. The builder normalizes generated requirements to a compatible `huggingface_hub<2.0.0` range before upload.