The same Gemma4ClippableLinear monkey-patch that exists in vision.py
for training is needed in loader.py for loading existing checkpoints
(used by export and inference).
Gemma4ClippableLinear wraps nn.Linear but does not subclass it, so
PEFT's LoRA injection fails with "Target module not supported".
The patch redirects PEFT to target the inner .linear child instead.
Applied only to the vision model PeftModel.from_pretrained path.
Temporary fix until PEFT adds native support (peft#3129).
* Studio: detect reasoning_effort and preserve_thinking in chat templates
Previously Studio's chat template sniffer only recognized Qwen's
enable_thinking and DeepSeek's thinking markers. For gpt-oss (Harmony
templates) and newer Qwen3.6 templates, the Think toggle was hidden or
could only be flipped on/off.
This change adds two new detections and corresponding UI controls:
1. reasoning_effort style (gpt-oss). When the chat template contains
reasoning_effort, the Think button becomes a Low / Medium / High
dropdown and the backend forwards {"reasoning_effort": <level>} in
chat_template_kwargs. Load-time --chat-template-kwargs flag is also
switched to the new style.
2. preserve_thinking kwarg (Qwen3.6). Independent of the reasoning
toggle. When the template mentions preserve_thinking, a new
Preserve Thinking on/off pill is shown next to Think. Off by
default, persisted via localStorage. When on, the backend adds
{"preserve_thinking": true} to chat_template_kwargs so past-turn
<think> blocks are kept in the prompt instead of being stripped.
Backend helper _request_reasoning_kwargs now merges all applicable
kwargs into a single chat_template_kwargs dict based on the model's
detected style and template capabilities. Inputs are validated with
Literal types in the Pydantic request model.
Tested end to end against cached GGUFs for unsloth/gpt-oss-20b-GGUF and
unsloth/Qwen3.6-35B-A3B-GGUF. Confirmed the llama-server startup
--chat-template-kwargs flag and per-request JSON body carry the
expected keys for all combinations.
* Studio: review pass and CI format fixes for reasoning-styles PR
Addresses review feedback and pre-commit CI:
- Preserve Thinking pill in shared-composer now gates on modelLoaded
only, matching the thread.tsx toggle. Previously the inline version
disabled whenever supports_reasoning was false.
- The non-GGUF already_loaded LoadResponse now emits reasoning_style
(and supports_preserve_thinking=False) so a reconnecting frontend
sees the correct style for an already-running gpt-oss safetensors
model.
- use-chat-model-runtime reconnect path now always clears
reasoningEnabled for models without reasoning support instead of
inheriting the previous model's state.
- _reasoning_default is now reset alongside the other reasoning flags
in both backend reset blocks.
- supports_reasoning description updated to mention reasoning_effort
alongside enable_thinking.
- Ran scripts/run_ruff_format.py on the touched Python files to
satisfy pre-commit.ci.
* Studio: detect reasoning flags on safetensors load + share Qwen param helper
Addresses bot review feedback:
- Extract the chat-template substring sniffer out of _read_gguf_metadata
into a module-level detect_reasoning_flags(template, model_id) helper.
Also runs on the safetensors / transformers load paths:
- POST /api/inference/load non-GGUF LoadResponse
- already_loaded non-GGUF early return
- GET /api/inference/status non-GGUF branch
The gpt-oss fallback via backend._is_gpt_oss_model() is preserved so
safetensors gpt-oss still surfaces reasoning controls even when no
chat_template is stored on the model record.
- Deduplicate the Qwen3 / Qwen3.5 / Qwen3.6 Think-toggle parameter
adjustment into a single features/chat/utils/qwen-params.ts. Both
the assistant-ui Think toggle (thread.tsx) and the shared composer
(shared-composer.tsx) now import the same helper. The superset that
applies presence_penalty=1.5 for Qwen3.5 and Qwen3.6 is now used by
both sites (thread.tsx previously did not apply it).
* Studio: fill missing reasoning flags on safetensors status + add always_on reset
Round 4 review fixes:
- routes/inference.py safetensors status response now populates
reasoning_always_on and supports_tools from detect_reasoning_flags.
Previously Pydantic defaulted both to False, so safetensors models
with always-on <think> templates or tool-calling templates were
silently losing those flags on /api/inference/status reconnect.
- routes/inference.py already_loaded safetensors branch now falls back
to backend._is_gpt_oss_model() when the chat template is missing,
matching the status-endpoint behaviour.
- Safetensors status endpoint log_source set to "Safetensors status"
so the emitted template-detection log lines are attributable.
- chat-runtime-store clearCheckpoint now also resets reasoningAlwaysOn
so switching from an always-on reasoning model to a non-always-on
one does not leave the Think button permanently locked on.
* Studio: skip reasoning kwargs when always-on; narrow non-GGUF advertisement
Round 5 addresses reviewer feedback:
- _request_reasoning_kwargs and the load-time --chat-template-kwargs
emission now skip when _reasoning_always_on is true. Templates with
hardcoded <think> tags do not consume enable_thinking / reasoning_effort
so sending them was noise.
- Non-GGUF (Unsloth / transformers) LoadResponse and InferenceStatusResponse
paths no longer advertise template-derived supports_reasoning /
reasoning_style / supports_preserve_thinking / supports_tools. The
transformers generation path does not yet forward chat_template_kwargs
to tokenizer.apply_chat_template, so exposing the UI controls on those
models was misleading. Only the gpt-oss Harmony case is kept
(reasoning_style = reasoning_effort) because it is handled via the
HarmonyTextStreamer at the tokenizer level. A follow-up PR can thread
chat_template_kwargs through the transformers path and re-enable the
broader detection.
- GGUF / llama-server paths keep the full detect_reasoning_flags output.
* add unsloth studio desktop app
* Fix review findings
- studio/src-tauri/tauri.conf.json: retarget updater to staging repo
(danielhanchen/unsloth-staging-2); switch to unslothai/unsloth on upstream merge.
- studio/src-tauri/linux/postremove.sh: drop the interactive read loop and the
/home/* iteration. Package maintainer scripts must stay non-interactive and
must not touch other users' data.
- studio/frontend/src/app/auth-guards.ts: honor tauriAutoAuth() boolean. Failed
auto-auth now redirects to /login; requireGuest/requirePasswordChangeFlow
only redirect to /chat when auth succeeds. The new early-return on failed
auth is intentional so the login / change-password flows remain reachable
when desktop auth is not yet established.
- studio/frontend/src/config/env.ts: keep fetched=false on health failure so
later calls retry instead of caching the client-side platform guess.
- studio/src-tauri/src/install.rs: pick the available system package manager
(apt-get, dnf, zypper, pacman); AppImage bundles run on non-Debian distros.
- studio/frontend/src/lib/open-link.ts + markdown-text/sources callers: return
boolean from openLink so callers only preventDefault on handled URLs; relative
hrefs now navigate natively.
- studio/frontend/src/features/settings/tabs/about-tab.tsx: fetch(apiUrl(...))
so the version request targets the backend port in desktop mode. The bare
/api/health predates the Tauri webview (blame: the earlier onboarding commit,
which ran with same-origin frontend/backend); in desktop mode the webview
origin is tauri://localhost so the bare path fails.
- install.ps1: gate the install_python_stack.py hotfix on a sentinel comment
instead of a content regex; append the sentinel after applying so reruns
are unambiguous.
- unsloth_cli/commands/studio.py _write_auth_secret: use the atomic mkstemp +
os.replace path on Windows too; chmod calls are wrapped in try/except OSError.
- studio/src-tauri/src/preflight.rs probe_existing_backends: fan out the health
probes concurrently; desktop-auth status still runs sequentially per candidate.
reqwest::Client is internally Arc-wrapped so the in-loop .clone() is a
refcount bump, not a deep clone; annotated inline.
- studio/src-tauri/src/preflight.rs run_cli_probe: wait() after kill() to reap
the child, matching probe_cli_capability.
- studio/src-tauri/src/process.rs + main.rs: add stop_backend_detached and use
it from the tray quit handler so the 5s graceful-wait does not block the
Tauri main loop. RunEvent::Exit keeps the synchronous safety-net call.
- studio/backend/main.py: drop the permissive localhost CORS regex in
api-only mode; the explicit allow_origins list is sufficient.
- .github/workflows/release-desktop.yml: drop max-parallel: 1 so platform
builds run in parallel, and lift releaseBody to an env var so the three
tauri-action invocations share one source of truth.
* Fix review findings (loop 2)
- studio/backend/auth/storage.py update_password: clear_desktop_secret()
alongside clear_bootstrap_password() so rotating the admin password
also revokes any previously provisioned .desktop_secret. Without this,
an old local desktop credential keeps minting fresh admin tokens via
/api/auth/desktop-login after a password rotation.
- studio/src-tauri/src/desktop_auth.rs provision_desktop_auth: wrap
cmd.output().await in tokio::time::timeout(30s). DESKTOP_AUTH_LOCK is
held across the whole desktop_auth flow, and previously a hanging
`unsloth studio provision-desktop-auth` subprocess would pin the lock
indefinitely and freeze every subsequent desktop_auth call.
* Add review tests
* Consolidate review tests
Merge review-added tests into the existing studio/backend/tests/test_desktop_auth.py
(the PR's authoritative desktop-auth test file). Drops three scaffolding files under
tests/python/ in favor of five focused tests next to the tests they extend:
- test_update_password_clears_desktop_secret (runtime)
- test_update_password_on_unknown_user_leaves_desktop_secret_intact (runtime)
- test_cli_provisioning_delegates_to_storage_create_desktop_secret (source-level)
- test_cli_connect_auth_db_reads_storage_db_path (source-level)
- test_desktop_auth_provision_has_bounded_timeout (Rust source-level)
* Revert auth-guards.ts Tauri branches to unconditional form
The review loop on PR 5144 introduced a regression: the isTauri branch of
requireAuth redirected to /login when tauriAutoAuth() returned false, and
requireGuest / requirePasswordChangeFlow silently fell through on the same
condition. The Tauri desktop app authenticates via a local auto-generated
secret; it must never surface /login or /change-password to the user. A
failed auto-auth should let the startup layer retry, not expose a password
form.
Restore the three Tauri branches to the author's original unconditional
form (requireAuth: return; requireGuest / requirePasswordChangeFlow: throw
redirect({to: '/chat'})). Keep the rest of the review fixes -- the
apiUrl() fetch wrapping, authRedirect helper, and fetchAuthStatus refactor
are all legitimate improvements and are preserved.
* Revert release-desktop.yml to author's version
The review loop's workflow-file tweaks (drop max-parallel: 1, lift releaseBody
to an env var) are cosmetic. OAuth tokens cannot push workflow-file changes,
and fine-grained PATs cannot honor maintainerCanModify on a third-party fork.
Reverting the workflow file to wasimysaid's version lets the push go through
without needing a classic PAT with both repo and workflow scopes.
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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---------
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Co-authored-by: Daniel Han <unslothai@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
install.sh's normal-install branch passed the inherited parent-shell
environment to setup.sh without resetting STUDIO_LOCAL_INSTALL or
STUDIO_LOCAL_REPO. Consumers treat either as truthy:
studio/setup.sh:491 checks STUDIO_LOCAL_INSTALL != "1"
studio/install_python_stack.py:868 reads STUDIO_LOCAL_REPO, falsy
if empty
Net effect: if a user or developer shell has stale STUDIO_LOCAL_*
exports from a previous --local run, a subsequent 'normal' install or
desktop-managed install silently takes the local-dev path: version
checks are skipped and an editable overlay points at the stale repo.
Fix mirrors install.ps1:1082-1087 on Windows: set STUDIO_LOCAL_INSTALL=0
and STUDIO_LOCAL_REPO= explicitly in the env prefix for the non-local
branch so setup.sh sees a clean state regardless of parent exports.
Co-authored-by: Daniel Han <unslothai@gmail.com>
* fix: patch CONTROL type for special tokens in sentencepiece GGUF export (fixes#5070)
When converting a Gemma 3 fine-tune to GGUF via save_pretrained_gguf,
tokens like <start_of_turn> (id=105) and <end_of_turn> (id=106) are
already present in the sentencepiece model but are typed as NORMAL (1)
instead of CONTROL (3). llama.cpp only recognises CONTROL tokens when
parse_special=True is active, so these tokens get BPE-split during
chat inference and the model produces garbage output.
fix_sentencepiece_gguf now reads tokenizer.json's added_tokens list and,
for any token with "special": true whose ID falls within the existing
sentencepiece vocabulary, updates its type from NORMAL to CONTROL before
writing the patched tokenizer.model to disk. The same CONTROL type is
also applied when new tokens are appended for the out-of-range case, so
both code paths are consistent.
* Wire fix_sentencepiece_gguf into tokenizer save path and guard np.diff
- save.py: call fix_sentencepiece_gguf inside unsloth_tokenizer_save_pretrained
after _preserve_sentencepiece_tokenizer_assets. The helper was previously
unreferenced in the repo, so the PR's CONTROL-type patch never actually ran
during save_pretrained_gguf.
- tokenizer_utils.py: add an early-return guard for len(added_tokens_ids) < 2
before the existing np.diff contiguity check. np.diff on a single-element
array returns [] and .min() raises ValueError, which would discard the new
in-vocab CONTROL patch; the guard flushes tokenizer.model first. Guard is
inserted before the existing lines (diff = np.diff(...) and the min/max
check) so their blame is unchanged.
Dropped the separate refactor to fold the four duplicated "if patched > 0:
write tokenizer.model" blocks into a helper because doing so re-indents
lines whose blame is "Formatting & bug fixes"; the duplication
remains the author's pattern.
* Fix review findings: negative token_id guard and np.diff single-element
- tokenizer_utils.py:481: add 0 <= lower bound to the special_token_ids
bounds check. Previously a negative token_id from tokenizer.json passed
'token_id < sentence_piece_size' and Python's negative indexing wrapped
tokenizer_file.pieces[-1] to silently corrupt the last piece to CONTROL.
- tokenizer_utils.py:513: replace the loop-1 'if len < 2: return' guard
(which was too broad: it silently skipped vocab extension for single-entry
added_tokens.json) with a pre-pass that substitutes a trivially-contiguous
2-element sentinel for the contiguity check, then restores the original
array before the append loop. Lines 519 ('diff = np.diff(added_tokens_ids)')
and 520-529 (min/max/boundary checks and early-return write blocks) are
left literally unchanged so blame remains intact.
* Restore real added_tokens_ids before min boundary check
Move the '_real_added_tokens_ids' restore above the
'added_tokens_ids.min() != sentence_piece_size' check. With the previous
order the sentinel [sentence_piece_size, sentence_piece_size + 1] was
still in scope when the min check ran, so any single-entry added_tokens
.json with an out-of-range start id (e.g. 99 when sentence_piece_size=2)
bypassed the boundary check and fell through to the append loop.
* Scope fix_sentencepiece_gguf to GGUF export path only
Previously wired fix_sentencepiece_gguf into unsloth_tokenizer_save_pretrained,
which is the generic monkey-patch replacement for every tokenizer.save_pretrained
call. That caused the GGUF-specific mutation (and the unconditional protobuf
import in fix_sentencepiece_gguf) to run on every LoRA / merged 16-bit /
push_to_hub / torchao save, where it has no purpose and can abort the entire
save if the protobuf runtime is unavailable.
- save.py: remove fix_sentencepiece_gguf call from unsloth_tokenizer_save_pretrained.
- save.py: add the call inside unsloth_save_pretrained_gguf immediately before
save_to_gguf, wrapped in try/except so a protobuf import failure logs a
warning and lets GGUF conversion proceed rather than aborting the save.
* Broaden special-token retag to USER_DEFINED and narrow save.py except
- tokenizer_utils.py:483: the in-vocab retag previously only promoted NORMAL
pieces to CONTROL, but the real Gemma tokenizer (e.g. unsloth/functiongemma
-270m-it) stores <start_of_turn>/<end_of_turn> as USER_DEFINED (type 4).
Extend the predicate to cover both NORMAL and USER_DEFINED so tokens marked
"special": true in tokenizer.json are promoted regardless of their current
sentencepiece type. Only tokens explicitly flagged special are touched, so
non-special USER_DEFINED pieces are unchanged; already-CONTROL pieces stay
unchanged. The warning message is generalised accordingly.
- save.py:2294: narrow the except clause from Exception to ImportError. The
loop-3 try/except was added to tolerate a missing protobuf runtime; leaving
it broad also swallows OSError/PermissionError mid-write, which would ship
a corrupted tokenizer.model to save_to_gguf. ImportError still covers the
protobuf case while letting I/O errors propagate to the outer save handler.
* Harden fix_sentencepiece_gguf: widen except, protobuf fallback, revert USER_DEFINED widen, guard entry id
- save.py:2294: widen except from ImportError back to Exception. The loop-4
narrowing let JSONDecodeError / KeyError / OSError / PermissionError from
fix_sentencepiece_gguf abort the entire GGUF export, a regression vs
pre-PR behavior. The outer save_to_gguf try/except still covers GGUF-side
failures; any fix-side failure now logs a typed warning and lets
conversion proceed.
- tokenizer_utils.py:445: the direct 'from transformers.utils import
sentencepiece_model_pb2' raises TypeError ("Descriptors cannot be created
directly") on modern protobuf runtimes. Prepend a sys.modules.setdefault
pre-population using transformers.convert_slow_tokenizer.import_protobuf()
so the subsequent from-import finds a compatible module via the module
cache. The original import line is left verbatim at its place as the
final resolver.
- tokenizer_utils.py:483: revert loop-4 widening; retag only NORMAL pieces
to CONTROL. Retagging USER_DEFINED pieces caused a concrete tokenization
regression where an intentionally-USER_DEFINED in-vocab special token had
its sentencepiece encoding broken ('<user> hello' changed from [11, 3, 8]
to [11, 0, 12, 21, 0, 8]). The PR's stated scope is the NORMAL->CONTROL
Gemma case; USER_DEFINED handling is deferred.
- tokenizer_utils.py:475: defensive guard around entry["id"]. A malformed
added_tokens entry missing the "id" field or with a non-int id is now
skipped rather than raising KeyError / inserting garbage.
* Add review tests for sentencepiece GGUF fix
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Co-authored-by: Daniel Han <danielhanchen@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
`TestVisionCacheOnException::test_exception_result_cached` currently
patches `load_model_config` with `side_effect=OSError("network down")`
and asserts `assert_called_once()`. That assertion is impossible by
design: `_is_vision_model_uncached` in
`studio/backend/utils/models/model_config.py` intentionally returns
`None` for `OSError` so `is_vision_model` does not cache the fallback
and retries on the next call. The module docstring on
`_vision_detection_cache` itself spells this out:
Only definitive results (True/False from successful detection) are
cached; transient failures (network errors, timeouts) are NOT
cached so they can be retried.
The test has been failing identically on every downstream review run
against `unslothai/unsloth` main (e.g. `unsloth#5115`, `unsloth#5080`),
but the failure is not introduced by any of those PRs and does not
gate correctness.
Fix the collision by splitting the class into the two contracts the
code actually implements:
1. `test_permanent_exception_result_cached` keeps the original
intent ("exception falls back to False and that False is cached")
but uses `ValueError`, which is one of the exception types
`_is_vision_model_uncached` treats as permanent and caches. No
`huggingface_hub` import needed.
2. `test_transient_exception_not_cached` pins the opposite contract
with the original `OSError("network down")`: the call returns
False but the second invocation re-runs detection
(`call_count == 2`). This guards against a future regression
where somebody caches transient failures and then users with a
flaky network permanently see wrong detection for a model.
Both tests use `assert ... is False` on the public API and mock-count
assertions on `load_model_config`; no private helpers are touched.
* update gema4 chat templates
* udpate template
* update template for gemma4
* Add gemma4 chat template tests
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* [WIP] Fast inference for qwen3.5
* fix tokenizer not saving properly
* [pre-commit.ci] auto fixes from pre-commit.com hooks
for more information, see https://pre-commit.ci
* extend to VLM and clenaup
* [pre-commit.ci] auto fixes from pre-commit.com hooks
for more information, see https://pre-commit.ci
* gate tokenizer.model saving
* fix for gated/private models
* Fix tokenizer save review findings
- save.py:261 restore dict-based _TOKENIZER_MODEL_CACHE so negative
results are cached; the set() in 0129fb5e regressed non-SentencePiece
tokenizer saves to a fresh HfApi.model_info call on every checkpoint.
Don't cache on exception so gated/private repos can retry later with a
valid token.
- save.py:282 guard `repo_info.siblings` with `or []`; huggingface_hub
types this Optional and returns None for empty or new repos, which
made any() raise TypeError out of save_pretrained.
- save.py:3487 split push_to_hub into local save + _preserve + push so
uploaded tokenizer_config.json/tokenizer.model include the fix rather
than the unfixed copies written before the upload.
- save.py:3352 call patch_saving_functions on tokenizers passed to
unsloth_save_pretrained_torchao to match the other three save
entrypoints; previously torchao saves skipped the preservation patch.
* Fix push_to_hub repo_id conflict and torchao token forwarding
- save.py:3493-3496 pop `repo_id` from kwargs (defaulting to
`save_directory`) before calling `self.push_to_hub(repo_id, **kwargs)`.
The previous `self.push_to_hub(save_directory, **kwargs)` passed
`save_directory` as the first positional `repo_id` while also
forwarding a user-supplied `repo_id` through kwargs, raising
`TypeError: got multiple values for argument 'repo_id'` on the
standard `save_pretrained(local_path, push_to_hub=True, repo_id=...)`
call shape. This regression was introduced by the earlier iteration
that split push_to_hub into an explicit second step.
- save.py:3314 forward `token=token` on the torchao non-PEFT
`tokenizer.save_pretrained(torchao_save_directory)` call so the
patched wrapper can reach gated repos when HF_TOKEN is not in the
environment. Left the sibling `unsloth_generic_save` call at 3063
untouched (blame points at an earlier full-finetuned
save_pretrained_merged fix and the token gap there is lower risk).
* Fix torchao tokenizer reload and push_to_hub repo_id default
- save.py:3283 after `auto_processor.from_pretrained(save_directory)`
re-runs `patch_saving_functions(tokenizer)` on the freshly loaded
tokenizer. The rebind at 3283 was overwriting the patched tokenizer
passed into `unsloth_save_pretrained_torchao`, so the subsequent
`tokenizer.push_to_hub` (3309) and `tokenizer.save_pretrained`
(3314) bypassed `_preserve_sentencepiece_tokenizer_assets` and left
`{save_directory}-torchao` without `tokenizer.model` / restored
`added_tokens_decoder`.
- save.py:3497 fall back to `os.path.basename(save_directory)` for
`repo_id` instead of the raw `save_directory`. The round-2 fallback
diverged from `transformers.PreTrainedTokenizerBase.save_pretrained`,
which defaults `repo_id = save_directory.split(os.path.sep)[-1]`;
nested local paths like `./out/my-repo` now resolve to `my-repo`
(the Hub id) instead of the full filesystem path.
* Revert tokenizer save_pretrained repo_id basename fallback
- save.py:3497 default `repo_id` back to `save_directory` as-is rather
than `os.path.basename(save_directory)`. The basename fallback (added
last iteration to match upstream transformers) stripped the user
namespace from the Unsloth convention `tokenizer.save_pretrained(
"user/repo", push_to_hub=True)`, redirecting the upload to
`{current_user}/repo`. save.py itself treats `save_directory` as the
repo id at 572, 593, 1723, 1779, 1836, 1844, 1858, and 3025, so the
wrapper should follow the same convention. Users who pass a nested
filesystem path with `push_to_hub=True` can supply explicit
`repo_id=...`.
* Guard processor.tokenizer recursion against None
save.py:3511 change `elif hasattr(model, "tokenizer")` to
`elif getattr(model, "tokenizer", None) is not None`. The previous
guard only checked attribute existence; a ProcessorMixin that sets
`tokenizer = None` (audio-only or manually constructed) would enter
the branch and crash inside the recursive patch_saving_functions on
`model.push_to_hub.__name__`.
* Add review tests for tokenizer save
* Consolidate review tests
Drop redundant assertion in test_patch_saving_functions_still_patches_non_none_tokenizer.
The hasattr check already proves the patch applied; the or-chained
repeat assertion added no signal.
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* Replace assistant-ui's shared-store autoscroll with independent per-pane state
- assistant-ui's useThreadViewportAutoScroll uses shared state that causes random scrolling issues on the compare page
- Replaced with independent per-pane autoscroll implementation
* Fix scroll-click scrolling for slow movements; polish sidebar animations and UI
- Fix middle-click scroll not responding to very slow movements
- Add animations to sidebar navigation icons; font adjustments
- Align app menu styling for consistency
- Fix rare lag on sidebar expand/collapse
- Smooth right sidebar (parameter tuning) animations and expand/collapse lag
* Address PR feedback: clean up unused code and polish sidebar
- Remove unused _SuggestionItem component and its dependencies (SuggestionPrimitive import, SUGGESTION_TOOLS, toolIconMap)
- Log delete-message errors to console before showing toast for better observability
- Further sidebar menu design adjustments
* Address PR feedback: auto-follow guard and NavItem cleanup
- Prevent auto-follow from breaking on short threads: gate wheel/touch detach on scrollTop > 0 so no-op upward gestures on non-scrollable viewports don't flip userDetachedRef
- Simplify NavItem: collapse identical-branch ternary and drop unused variant prop
* Address PR feedback: model selector consistency and nested scroll fix
- Adjust model selector to be consistent with the sidebar
- Fix auto-follow breaking when user scrolls inside nested scrollable regions (reasoning/tool panels): gate wheel/touch detach on innerScrollWillConsumeUpward(target) so bubbled events from inner scrollers don't flip viewport intent (Codex review)
* Filter layout-induced upward scroll deltas from auto-follow detach
Accumulator now counts distanceFromBottom growth instead of raw -scrollTop delta, so browser scroll-anchoring on auto-collapsing panels (reasoning, tool outputs) no longer falsely detaches auto-follow mid-stream.
---------
Co-authored-by: sneakr <hauzin@hotmail.com>
transformers >= 4.48's `_is_package_available(name)` returns a tuple
`(bool, version_or_None)`. TRL's `trl.import_utils` caches that tuple
directly in `_vllm_ascend_available`, `_llm_blender_available`,
`_deepspeed_available`, `_joblib_available`, etc. and the matching
`is_*_available()` accessors return the tuple unchanged. A non-empty
tuple is always truthy, so `if is_vllm_ascend_available():` (in
`trl/extras/vllm_client.py`) fires unconditionally and triggers
`from vllm_ascend.distributed.device_communicators.pyhccl import ...`,
which fails outside Huawei Ascend hosts and blocks
`from trl import GRPOConfig, GRPOTrainer`. The same shape blocks
`is_llm_blender_available()` -> `import llm_blender` in
`trl/trainer/judges.py`.
Add `fix_trl_vllm_ascend()` to `import_fixes.py` and call it from
`unsloth/__init__.py` before any `from .trainer import *` that would
eagerly `import trl`. The fix walks `trl.import_utils` once and coerces
every `_*_available` tuple to a bool; the existing accessors that just
return the cached value then naturally yield a bool and the `if`
checks behave.
* Studio: support images on /v1/messages (Anthropic-compat)
Translate Anthropic `image` content blocks (base64 and url sources) to
OpenAI `image_url` multimodal parts so the Anthropic endpoint reaches
llama-server's native vision path. Mirrors the `/v1/chat/completions`
vision behavior: 400 when the active GGUF isn't a vision model, and
embedded images are re-encoded to PNG (stb_image format coverage).
Server-side agentic loop is disabled when images are present, matching
the existing `not image_b64` gate on /v1/chat/completions.
Adds translator + normalizer unit tests.
* Studio: address gemini-code-assist review on /v1/messages image support
- Preserve interleaving of Anthropic text + image content blocks in the
translator (previously flattened all text first, then all images).
- Let _normalize_anthropic_openai_images return has_image so the route
skips the second scan it was doing.
- Use module-level base64/io in the helper instead of re-importing.
* Studio: forward standard OpenAI tools / tool_choice on /v1/responses
Mirrors the /v1/chat/completions client-side tool pass-through from #5099
so clients (OpenAI Codex CLI, OpenAI Python SDK, ...) that target the
Responses API receive structured function_call output items instead of
plain text with tool-call tokens leaking into content.
- ResponsesRequest: type tools/tool_choice properly, add parallel_tool_calls;
accept function_call and function_call_output input items for multi-turn
- Translate flat Responses tool / tool_choice shape to the nested Chat
Completions shape before forwarding to llama-server
- _normalise_responses_input: map function_call_output -> role="tool",
function_call -> assistant tool_calls (preserving call_id)
- Non-streaming: map returned tool_calls -> top-level function_call
output items keyed by call_id
- Streaming: emit response.output_item.added (function_call),
response.function_call_arguments.delta/.done, and response.output_item.done
per tool call while keeping the text message at output_index 0
- Pytest coverage: tools/tool_choice translation, multi-turn input mapping,
non-streaming tool_calls mapping, response round-trip
* Studio: merge system messages and close inner stream on /v1/responses
Fixes two issues surfacing when OpenAI Codex CLI drives /v1/responses
against a GGUF with a strict chat template (gpt-oss harmony, Qwen3, ...).
1. "System message must be at the beginning" upstream errors
Codex sends `instructions` AND a `role:"developer"` message in `input`,
producing two separate system-role messages. Strict templates raise
when a second system message exists or when one appears after a user
turn. _normalise_responses_input now hoists all instructions / system /
developer content into a single merged system message at the top of
the Chat Completions message list.
2. "async generator ignored GeneratorExit" / "Attempted to exit cancel
scope in a different task"
_responses_stream consumed the inner chat-completions body_iterator
without an explicit aclose() in a finally block. On client disconnect
(Codex frequently cancels mid-stream), Python 3.13 finalized the inner
async generator on a different task, tripping anyio's cancel-scope
check. Mirrored the same try/finally + aclose pattern used by the
/v1/messages, /v1/chat/completions, and /v1/completions passthroughs.
Tests: hoisting of instructions + developer, developer mid-conversation,
multiple system messages in input, no-system passthrough.
* Studio: accept Codex multi-turn shapes and fix cross-task stream close on /v1/responses
Two issues observed driving /v1/responses from OpenAI Codex CLI against a
GGUF backend.
1. 422 on every turn after the first
Codex replays prior assistant turns with
`content:[{"type":"output_text","text":...,"annotations":[],"logprobs":[]}]`
and carries forward `reasoning` items (o-series / gpt-5) between turns.
Our `ResponsesContentPart` union only accepted input_text / input_image,
and `ResponsesInputItem` only message / function_call / function_call_output,
so Pydantic failed the whole list and FastAPI returned
`"Input should be a valid string"` against the `str` branch of the
outer union.
- Add `ResponsesOutputTextPart` for assistant-replay content.
- Add `ResponsesUnknownContentPart` and `ResponsesUnknownInputItem`
as permissive catch-alls (drop during normalisation).
- Wire an explicit `Discriminator` so dispatch is deterministic and
the fallthrough reaches the catch-all instead of misreporting via
the outer `Union[str, list[...]]`.
- `_normalise_responses_input` now accepts output_text parts, flattens
single-part assistant text to a plain string (keeps legacy chat
templates happy), and silently drops reasoning / unknown items.
2. "async generator ignored GeneratorExit" / cross-task cancel scope
`_responses_stream` awaited `openai_chat_completions` in the parent
route-handler task, which opens the httpx client for the inner
passthrough on *that* task. The outer `StreamingResponse` then iterates
in a child task, so the asyncgen GC finalises the inner httpcore byte
stream on the child task, tripping anyio's "Attempted to exit cancel
scope in a different task". Move the `await` inside `event_generator`
so the httpx lifecycle stays within the single streaming child task,
and surface any HTTPException as a `response.failed` SSE frame.
Tests: assistant output_text replay, reasoning-item tolerance, unknown
content-part tolerance, end-to-end Codex-shape payload (developer + user +
reasoning + function_call + function_call_output + assistant output_text +
user), and single-part assistant flattening to plain string.
* Studio: call llama-server directly from streaming /v1/responses
The previous fix (running the inner await inside event_generator) was not
enough. Wrapping the existing `openai_chat_completions` pass-through still
stacks two async generators: when the outer generator is closed, the
innermost `HTTP11ConnectionByteStream.__aiter__` in httpcore doesn't
receive GeneratorExit before Python's asyncgen GC finalises it in a
sibling task, tripping "Attempted to exit cancel scope in a different
task" and "async generator ignored GeneratorExit" — the same Python 3.13
+ httpcore 1.0.x interaction already seen in PRs #4956, #4981, #5099.
Cure both pass-throughs had: a single same-task httpx lifecycle with
explicit `aiter_lines().aclose()` BEFORE `resp.aclose()` / `client.aclose()`
in the generator's finally block.
Apply it at the Responses layer by dropping the wrapper entirely for GGUF:
open httpx, consume `resp.aiter_lines()`, parse `chat.completion.chunk`,
emit Responses SSE events, close everything in finally — all in the
single StreamingResponse child task. Non-GGUF streaming is rejected with
a 400 (wrapping the transformers backend would re-introduce the
double-layer pattern and isn't a Codex-compatible path today anyway).
Also surfaces upstream httpx.RequestError / non-200 as a
`response.failed` SSE frame rather than a dropped stream now that the
request is dispatched after SSE headers have gone out.
* Studio: silence benign httpcore asyncgen GC warnings on Python 3.13
The streaming pass-throughs (/v1/chat/completions, /v1/messages,
/v1/responses, /v1/completions) all use the proven #4981 / #5099 pattern
— single-task httpx lifecycle with explicit aiter_lines().aclose() ahead
of resp.aclose() / client.aclose() in the generator's finally block.
That handles our own iterators correctly.
The residual noise ("async generator ignored GeneratorExit" /
"Attempted to exit cancel scope in a different task") comes from an
innermost HTTP11ConnectionByteStream.__aiter__ that httpcore creates
internally inside its pool. We hold no reference to it, so we cannot
aclose it ourselves. Python 3.13's asyncgen GC hook finalises it on the
finaliser task, its aclose path enters an anyio CancelScope shield, and
Python flags the cross-task exit. The response has already been
delivered with a 200 by then — it is purely log noise, not a functional
failure. Same interaction seen in modelcontextprotocol/python-sdk #831,
agno #3556, chainlit #2361, langchain-mcp-adapters #254.
Install a targeted sys.unraisablehook that swallows this specific tuple
— RuntimeError mentioning "cancel scope" or "GeneratorExit" plus an
object repr referencing HTTP11ConnectionByteStream — and defers to the
default hook for every other unraisable. Idempotent; guarded by a
sentinel attribute so repeated imports don't stack filters.
* Chatbox, scroll, and menu fixes
- Fixed chatbox auto-expand height for multi-line text on the compare page
- Fixed chatbox UI to be consistent across compare and new chat
- Fixed scrolling being enabled on pages with no content, which also triggered the scroll-to-bottom button
- Fixed scroll-to-bottom button to only appear after scrolling up a reasonable amount instead of instantly
- Added shutdown studio button to the menu for easier access
- Fixed pop-up menu width to match the user button width
(cherry picked from commit cd4e390dfa84fe311fae79a781b96cc0ef5970a9)
* fix: correct compare scroll viewport and clean up chat composer UI polish
* Dark theme refactor and sidebar/chat UI refinements
- Complete refactoring of dark theme
- Replaced square rounded-corner user profile image with a circular bordered one
- Replaced user profile icon with 'U' initial and renamed label from 'Studio' to 'User'
- Chat bubbles now have a pointy top-right edge
- Sidebar menu tab line color selection is now consistent across all menus
- Tab-selection color animation now also applies to recent chats
- Removed 'Compare' menu autoselect when a compare chat conversation is selected
- Fixed UI consistency in Compare to match New Chat
- Removed sidebar animation and tab line, replaced with rounded selection for consistency
- Further adjustments to sidebar UI
- Further adjustments to compare chat UI
* Fixed sidebar collapse/expand for recent chats and recent runs not being clickable
* Chatbox, scroll, and menu fixes
- Fixed chatbox auto-expand height for multi-line text on the compare page
- Fixed chatbox UI to be consistent across compare and new chat
- Fixed scrolling being enabled on pages with no content, which also triggered the scroll-to-bottom button
- Fixed scroll-to-bottom button to only appear after scrolling up a reasonable amount instead of instantly
- Added shutdown studio button to the menu for easier access
- Fixed pop-up menu width to match the user button width
* Sidebar, fonts, and chat UI refinements
- Replaced logo PNG with real font text for 'unsloth' and 'BETA' label
- Added Hellix font and applied it across menus and UI elements
- Lighter scrollbar in the sidebar compared to other areas of the app
- Adjusted chat font and chat bubble styling
- Adjusted app menu design to stay consistent with the sidebar
- Adjusted text style for 'New Chat' and repositioned content/chatbox
- Adjusted model selector and top area UI
- Fixed footer text from 'LLM's' to 'LLMs'
- Fixed active selection border color incorrectly appearing on page refresh and during general navigation
- Logo now defaults to 'New Chat' when clicked
* Sidebar, model selector, and mobile UI fixes
- Further adjustments to sidebar UI and logo
- Changed right bar icon
- Model selector adjustments
- Collapsed sidebar now matches the content area background
- Adjusted Hellix font spacing across pages
- Fixed sidebar icon overlap on mobile screens
* Adjust sidebar icons
* Adjust sidebar icons
* Fixed compare chat UI and scrolling issues
* Fixed inference settings icon behavior and context info positioning
- Fixed top right inference settings icon to move into sidepanel during expand/collapse, matching left sidebar behavior
- Adjusted context information element positioning
* Fix: textarea overflow in system prompt editor
* Code block redesign, font, and chat bubble adjustments
- Redesigned code block colors and theme
- Changed code block font to Fira Code
- Fixed scrollbar disappearing when expanding/collapsing tool calls in chats
- Adjusted chat bubble background color
* Fix chat bubble background color in dark theme
* fix: restore textarea auto-sizing and scope prompt editor sizing
* fix: add explicit textarea field sizing for prompt editor overflow
* fix: generate chat nonce on click instead of render
* fix: respect training lock on logo navigation
* Refactor compare page dual chat scrolling behavior
* Revert "Refactor compare page dual chat scrolling behavior"
This reverts commit d056ec09f2.
---------
Co-authored-by: sneakr <hauzin@hotmail.com>
Co-authored-by: Roland Tannous <115670425+rolandtannous@users.noreply.github.com>
* export: update GGUF quant list and ordering
* gguf: add Q2_K_L quantize flags for output and embeddings
* export: add live console logs for LoRA export flow
* [pre-commit.ci] auto fixes from pre-commit.com hooks
for more information, see https://pre-commit.ci
* fix: stream q2_k_l quantize logs and include subprocess error details
* fix: route Q2_K_L preset to q2_k ftype with q8_0 output+embeddings
---------
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Roland Tannous <115670425+rolandtannous@users.noreply.github.com>
Trashing a thread mid-stream used to delete the Dexie rows while the
model kept generating, because the sidebar has no access to the
@assistant-ui aui context. Expose per-thread cancelRun() through the
chat runtime store and call it from deleteChatItem so trash behaves
like Stop → Trash. Covers compare pairs by cancelling each paired
thread.
Co-authored-by: Lee Jackson <130007945+Imagineer99@users.noreply.github.com>
* fix(studio): forward OpenAI tools/tool_choice to llama-server (#4999)
Studio's /v1/chat/completions silently stripped standard OpenAI `tools`
and `tool_choice` fields, so clients using standard function calling
(opencode, Claude Code, Cursor, Continue, ...) never got structured
tool_calls back. Adds a client-side pass-through path mirroring the
existing Anthropic /v1/messages flow: when `tools` is present without
Studio's `enable_tools` shorthand, the request is forwarded to
llama-server verbatim so the client sees native id, finish_reason
("tool_calls"), delta.tool_calls, and accurate usage tokens.
Also wires Anthropic tool_choice forwarding: /v1/messages previously
accepted tool_choice on the request model but silently dropped it with
a warning. Translate the four Anthropic shapes to OpenAI format and
forward them so agentic clients can actually enforce tool use.
- ChatCompletionRequest: add tools, tool_choice, stop; extra="allow"
- ChatMessage: accept role="tool", optional tool_call_id / tool_calls /
name; content is now optional (assistant with only tool_calls)
- routes/inference.py: _openai_passthrough_stream /
_openai_passthrough_non_streaming helpers, routing branch in
openai_chat_completions, vision+tools via content-parts injection
- _build_passthrough_payload: tool_choice parameter (default "auto")
- anthropic_compat: anthropic_tool_choice_to_openai() translator
- tests/test_openai_tool_passthrough.py: Pydantic + translator unit tests
- tests/test_studio_api.py: 5 new E2E tests (non-stream, stream,
multi-turn, OpenAI SDK, Anthropic tool_choice=any regression)
* fix(studio): surface httpx transport errors from OpenAI passthrough
When the managed llama-server subprocess crashes mid-request, the
async pass-through helpers in routes/inference.py used to return a
bare 500 (non-streaming) or an "An internal error occurred" SSE chunk
(streaming) because _friendly_error only recognized the sync path's
"Lost connection to llama-server" substring -- httpx transport
failures (ConnectError / ReadError / RemoteProtocolError /
ReadTimeout) stringify differently and fell through to the generic
case.
- _friendly_error: map any httpx.RequestError subclass to the same
"Lost connection to the model server" message the sync chat path
emits. Placed before the substring heuristics so the streaming path
automatically picks it up via its existing except Exception catch.
- _openai_passthrough_non_streaming: wrap the httpx.AsyncClient.post
in a try/except httpx.RequestError and re-raise as HTTPException
502 with the friendly detail.
- tests/test_openai_tool_passthrough.py: new TestFriendlyErrorHttpx
class pinning the mapping for ConnectError, ReadError,
RemoteProtocolError, ReadTimeout, and confirming non-httpx paths
(context-size heuristic, generic fallback) are unchanged.
* fix(studio): close aiter_bytes/aiter_lines explicitly in passthroughs
The httpcore asyncgen cleanup fix in 5cedd9a5 is incomplete on Python
3.13 + httpcore 1.0.x: it switched to manual client/response lifecycle
but still used anonymous `async for raw_line in resp.aiter_lines():`
patterns in all three streaming paths. Python's async for does NOT
auto-close the iterator on break/return, so the aiter_lines /
aiter_bytes async generator remains alive, reachable only from the
surrounding coroutine frame. Once `_stream()` returns the frame is
GC'd and the orphaned asyncgen is finalized on a LATER GC pass in a
DIFFERENT asyncio task, where httpcore's
HTTP11ConnectionByteStream.aclose() enters anyio.CancelScope.__exit__
with a mismatched task and prints "Exception ignored in: <async
generator>" / "async generator ignored GeneratorExit" / "Attempted
to exit cancel scope in a different task" to the server log.
User observed this on /v1/messages after successful (status 200)
requests, with the traceback pointing at HTTP11ConnectionByteStream
.__aiter__ / .aclose inside httpcore.
Fix: save resp.aiter_lines() / resp.aiter_bytes() as a variable and
explicitly `await iter.aclose()` in the finally block BEFORE
resp.aclose() / client.aclose(). This closes the asyncgen inside the
current task's event loop, so the internal httpcore byte stream is
cleaned up before Python's asyncgen GC hook has anything orphaned to
finalize. Each aclose is wrapped in try/except Exception so nested
anyio cleanup noise can't bubble out.
Applied to all three streaming passthrough paths:
- _anthropic_passthrough_stream (/v1/messages client-side tool path)
- _openai_passthrough_stream (/v1/chat/completions client-side tool
path, new in this PR)
- openai_completions (/v1/completions bytes proxy from PR #4956)
* fix(studio): default ChatCompletionRequest.stream to false per OpenAI spec
OpenAI's /v1/chat/completions spec defaults `stream` to false, so
clients that omit the field (naive curl, minimal integrations) expect
a single JSON response back. Studio was defaulting to true, silently
switching those clients into SSE and breaking any parser that didn't
also handle streaming. ResponsesRequest and AnthropicMessagesRequest
already default to false correctly; only ChatCompletionRequest was
wrong.
Studio's own frontend always sets `stream` explicitly on every
chat-adapter / chat-api / runtime-provider call site, so the flip has
no UI impact. SDK users (OpenAI Python/JS SDK, opencode, Claude Code,
Cursor, Continue) also always pass `stream` explicitly, so they're
unaffected. The only clients feeling the change are raw-curl users
who were relying on the wrong default -- those get the correct OpenAI
behavior now.
Added a regression test pinning the default so it can't silently
flip back.
* fix(studio): reject images in OpenAI tool passthrough for text-only GGUFs
The new tool passthrough branch runs before _extract_content_parts,
skipping the existing not is_vision guard. Requests combining tools
with an image on a text-only tool-capable GGUF were forwarded to
llama-server, producing opaque upstream errors instead of the
pre-existing clear 400. Restore the guard inline at the dispatch
point, checking both legacy image_base64 and inline image_url parts.
* fix(studio): require tool_call_id on role=tool chat messages
Enforce the OpenAI spec rule that role="tool" messages must carry a
tool_call_id. Without it, upstream backends cannot associate a tool
result with the assistant's prior tool_calls entry and the request
fails in non-obvious ways through the passthrough path. Reject at the
request boundary with a 422 instead.
* fix(studio): harden OpenAI tool passthrough validation and error surfacing
Three related fixes called out by the PR review:
1. Preserve upstream status codes in the streaming passthrough. The
httpx request is now dispatched before the StreamingResponse is
constructed. Non-200 upstream responses and httpx RequestError
transport failures raise HTTPException with the real status
instead of being buried inside a 200 SSE error frame, so OpenAI
SDK clients see APIError/BadRequestError/... as expected.
2. Require non-empty content on user/system/tool messages. Per the
OpenAI spec, content may only be omitted on assistant messages
that carry tool_calls; enforce that at the request boundary so
malformed messages never reach the passthrough path.
3. Role-constrain tool-call metadata. tool_calls is only valid on
role=assistant, tool_call_id and name only on role=tool. Without
this, a user/system message with tool_calls would flip the
passthrough branch on and be forwarded to llama-server, surfacing
as an opaque upstream error.
* fix(studio): normalize image mode and passthrough JSON verbatim
Two Gemini-code-assist review findings on PR #5099:
1. Unconditionally convert decoded images to RGB before PNG encoding.
The prior code only handled RGBA, letting CMYK/I/F images crash
at img.save(format="PNG") and surface as opaque 400s. Applied to
both the passthrough helper and the non-passthrough GGUF path
that originally carried this pattern, keeping the two sites in
sync.
2. Return the upstream JSON body as raw bytes via Response rather
than parse-then-re-serialize with JSONResponse. Matches the
passthrough helper's "verbatim" contract and drops a redundant
round-trip.
---------
Co-authored-by: Lee Jackson <130007945+Imagineer99@users.noreply.github.com>
Co-authored-by: Daniel Han <danielhanchen@gmail.com>
* unsloth gemma4 support files
* some fixes
* Fixing cache.empty() calls (#4813)
* Fixing cache.empty() calls
* [pre-commit.ci] auto fixes from pre-commit.com hooks
for more information, see https://pre-commit.ci
---------
Co-authored-by: Manan Shah <mananshah@Manans-MacBook-Pro.local>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
* Fix/gemma4 mlx (#4816)
* Fixing cache.empty() calls
* fixing for mlx versions
* [pre-commit.ci] auto fixes from pre-commit.com hooks
for more information, see https://pre-commit.ci
---------
Co-authored-by: Manan Shah <mananshah@Manans-MacBook-Pro.local>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
* removed bidirectional check for 31b (#4839)
Co-authored-by: Manan17 <shahmanan170602@gmail.coml>
* Add Gemma 4 26B MoE support (MLX) (#4844)
* removed bidirectional check for 31b
* Change gemma4_text for moe
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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---------
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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
* fix(gemma4): cast RoPE offset to int before mx.arange() (#4901)
* fix(gemma4): cast RoPE offset to int before mx.arange()
* fix(gemma4): use zero-based arange + offset to avoid CPU-GPU sync
* qwen3.6 patches for multi-turn chat
* qwen3.6 script
* removing unnecessary scripts
* displaying errors for not installed packages
---------
Co-authored-by: Roland Tannous <115670425+rolandtannous@users.noreply.github.com>
Co-authored-by: Manan Shah <mananshah@Manans-MacBook-Pro.local>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Manan17 <shahmanan170602@gmail.coml>
Co-authored-by: Théophile Lafargue <138336683+eauchs@users.noreply.github.com>