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unsloth/studio/backend
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Daniel Han-Chen 79da5d910d Fix/adjust diffusion: round 27 follow-up P1 batch for PR #5754 
Five additional P1 findings round 27 reviewer flagged on top of the
round 27 commit 6c528fb0 (Counter refcount + handoff visibility were
already covered). Three remaining studio.txt / no-torch-runtime hub
suggestions are NOT applied because they would re-break CI; the
empirical evidence (round 26 commit 65ea3a2c restored CI green) takes
precedence over the reviewer's stale-state suggestion.

1. models/training.py TrainingStartRequest: extend the embedded HF
   token validator to subset, train_split, eval_split. Round 26 only
   added the control-char guard to those three; the token guard was
   asymmetric and would accept owner/data\\nFAKE hf_abcdef...
   payloads through subset / split fields.

2. models/datasets.py CheckFormatRequest: extend both validators
   (control chars + embedded HF token) to subset and train_split.
   Same asymmetric-fix bug as #1.

3. models/data_recipe.py SeedInspectRequest: extend both validators
   to subset and split. Same pattern.

4. utils/datasets/llm_assist.py precache_helper_gguf: register the
   helper repo in the helper/advisor refcount registry around the
   hf_hub_download loop, then unregister in the finally. Without
   this, the FastAPI-startup background pre-cache could be racing
   a concurrent DELETE /api/models/delete-cached against the same
   cache directory. The runtime helper / advisor calls already
   register (round 26 P1 #13/#14) but the precache was the
   asymmetric gap.

5. routes/models.py _loaded_model_matches_deleted_path: match
   bidirectionally (active under target OR target under active) so
   deleting a child directory of a loaded local model (.../my-flux/
   text_encoder while .../my-flux is loaded) trips the guard.
   Mirrors the diffusion delete-guard symmetric path-overlap check.

Tests: 105 targeted (diffusion + cache + inference_validation) and
the broader backend suite pass locally.
2026-05-25 13:43:51 +00:00
..
assets Add Qwen3.6 inference defaults for Studio (#5065) 2026-04-16 11:42:42 -07:00
auth studio: security and hardening pass (auth rate-limit, sandbox, path containment, schema validation, headers) (#5375) 2026-05-13 06:12:18 -07:00
core Fix/adjust diffusion: round 27 P1 + P2 batch for PR #5754 2026-05-25 13:39:40 +00:00
loggers Studio: stop truncating long log lines as suspected base64 (#5335) 2026-05-08 13:07:18 +04:00
models Fix/adjust diffusion: round 27 follow-up P1 batch for PR #5754 2026-05-25 13:43:51 +00:00
plugins fix(gh_client): fail fast on 401/403 auth errors instead of retrying forever (#5325) (#5329) 2026-05-08 21:57:41 +04:00
requirements Fix/adjust diffusion: round 26 P1 batch for PR #5754 2026-05-25 13:13:19 +00:00
routes Fix/adjust diffusion: round 27 follow-up P1 batch for PR #5754 2026-05-25 13:43:51 +00:00
state unsloth run: add --enable-tools/--disable-tools server-side tool policy (#5277) 2026-05-05 12:45:15 +04:00
storage Studio: persist chat history in backend storage (#5272) 2026-05-22 06:18:05 -07:00
tests [pre-commit.ci] auto fixes from pre-commit.com hooks 2026-05-25 10:33:06 +00:00
utils Fix/adjust diffusion: round 27 follow-up P1 batch for PR #5754 2026-05-25 13:43:51 +00:00
__init__.py Final cleanup 2026-03-12 18:28:04 +00:00
_platform_compat.py Fix Studio crash on Anaconda/conda-forge Python (#4484) 2026-03-22 05:36:55 -07:00
colab.py Fix/studio colab button message: Add fallback message for Colab Studio button when proxy URL fails (#4866) 2026-04-05 21:57:45 -07:00
main.py [pre-commit.ci] auto fixes from pre-commit.com hooks 2026-05-25 10:33:06 +00:00
run.py Studio: stop hint, Uvicorn log rename, reachability check + Mac UI CI retry hardening (#5503) 2026-05-17 07:44:06 -07:00
startup_banner.py Studio: stop hint, Uvicorn log rename, reachability check + Mac UI CI retry hardening (#5503) 2026-05-17 07:44:06 -07:00