Trim and tighten code comments and docstrings across studio/ Python. Comment-only: every changed file verified code-identical to main via AST/token comparison.
* Dark theme refactor, right sidebar redesign, and chat UI polish
- Dark theme refactor
- Redesign right sidebar
- Further left sidebar adjustments
- Wider chat and content area; layout tweaks for chat content
- Rounded corners across elements for consistency
- Show chat message menu icons on menu-area hover, not only on message hover
- Assistant message menu icons now always visible; user messages keep on-hover
- Redesigned copy icon used consistently across chat blocks and messages
- Redesigned trash icon, applied consistently
- Unified icon sizing and style with the sidebar
- Adjusted icon colors across chat
- Fix on-hover background design for chat icons
- Fix tooltip from 'more' button staying visible after clicking elsewhere
- Adjust position and design of generation speed info text below messages
- Adjust design of token speed info popup
- Adjust sidebar scrollbar to cover recent chats only
* Recents sidebar rename, UI/theme refactor, layout and chat polish
UI & Theme:
- Dark theme refactor
- Consistent rounded corners across elements
- CSS polish and cleanup
- Remove unused logo image assets
Recents sidebar:
- Add 'more' button for options menu
- Support renaming conversations and training runs
- Confirmation dialog before deleting chats
- Add optional display_name column to training_runs (idempotent ALTER TABLE) so renaming doesn't lose model_name/dataset_name from the run config
- New PATCH /api/train/runs/{run_id} endpoint accepts { display_name: string | null }; empty/whitespace clears the override
- Sidebar shows display_name ?? model_name and exposes Rename in the row's More menu, mirroring the chat rename flow
- Cache last list response in localStorage and hydrate from it on mount, so recents paint instantly on F5 / route revisit; cached items are shape-validated and dropped if malformed
- Optimistic updates on rename and delete (apply locally + cache before background refresh)
- Visible toast on rename/delete failure instead of swallowed errors
Layout:
- Redesigned right sidebar
- Further left sidebar adjustments
- Updated chat content layout; chat and content area slightly widened
- Sidebar scrollbar covers recent chats only
Icons:
- Redesigned copy icon, unified across chat blocks and messages
- Redesigned trash icon to match
- Consistent icon sizing and style across chat and sidebar
- Adjusted icon colors across chat
- Fix icon on-hover background design
Chat messages:
- Menu icons now appear on hover over the menu area, not just the message
- Assistant message menu icons always visible; user messages keep on-hover (next/previous response stays visible for edited prompts)
- Repositioned and restyled generation speed info text below messages
- Restyled token generation speed popup
Tooltips:
- Removed tooltip on hover for previous/next assistant response icons
- Unified tooltip design across sidebars and chat
- Removed tooltip animations (also fixes related lag)
Model & Chat Template config:
- Merged Chat Template config into Model Configuration section
- Added revert-to-original for chat template
- Fix Chat Template config disappearing on page refresh until model reload
Performance & scroll:
- Removed chatbox movement animations across pages/navigation (fixes related UI lag)
- Fix scroll flicker at end of streaming when a code block is the final element
- Additional chat scroll improvements
Bug fixes:
- Fix 'more' button tooltip remaining visible after clicking elsewhere
* Remove sidebar localStorage cache and optimistic updates
Drops the localStorage hydration and optimistic rename/delete logic from the recents sidebar; reverts to fetching fresh on mount.
* Fix missing cn import in shared-composer (regression from merge)
* chore(sidebar): import sidebar deps from feature indexes
Re-export deleteChatItem / renameChatItem / useChatSidebarItems / SidebarItem / useChatSearchStore / ChatSearchDialog from @/features/chat, and removeTrainingUnloadGuard from @/features/training. Switch app-sidebar.tsx to consume them via the public feature indexes instead of deep paths, clearing the no-restricted-imports eslint errors. No behavior or UX change.
* fix(studio/frontend): reload training Recents sidebar after F5 refresh
The Recents sidebar showed empty after a hard refresh. The hook's inFlightRef dedup guard collided with React StrictMode's double-mount in dev: the second mount's fetch returned silently with no error, no retry, and no toast — leaving the sidebar empty until navigation.
Replace skip-if-busy dedup with abort-previous via a hook-level AbortController. This also fixes a latent race where a slow poll could resurrect a just-deleted row by clobbering the optimistic update.
Changes (all in use-training-history-sidebar.ts):
- fetchRuns aborts any in-flight request before starting a new one; post-await signal.aborted check drops stale responses.
- Optimistic helpers (applyRunUpdate, removeRun) abort in-flight fetches so they don't depend on caller discipline to invalidate stale data.
- Initial load gets bounded retry-with-backoff (500ms / 1.5s / 3.5s) and surfaces a sonner toast with a Retry action on final failure.
- Failure toast auto-dismisses on any successful load (initial retry, Retry click, or polling recovery).
- Polling pauses while the tab is hidden and catches up on visible, avoiding wasted requests during long training runs.
- Both effects own their teardown explicitly (abort + clear timer).
* Apply unified tooltip design and behavior across remaining pages for consistency
* UI polish: spacing, tooltip on source icons, letter spacing, smaller icons, consistent edit icon
- Adjust tiny spacing between elements around the UI for subtle polish
- Redesign tooltip on source icons for web search / tool use, consistent with the new design
- Adjust chat text letter spacing
- Smaller icon sizes
- Replace 'edit message' icon in chat with the new Rename icon used in Recents for consistency
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* Adjust CSS for right sidebar
* Fix scrollbar UI compatibility across browsers
* fix: preserve chat preset settings on model load
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* fix(studio): remove duplicate chat template status field
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* chore: remove creative preset assumption
* fix(studio): align speculative decoding default
* fix(studio/chat): snap numeric param inputs to step grid
- Type a value in any param input (Temperature, Top K, Max Tokens, etc.)
now clamps to [min, max] and snaps to the slider's step grid, killing
off-grid values like 1.051234 and FP residue from slider drags.
- Branch picker chevrons share the action bar's 32px height + 10px radius
via a new .aui-branch-chevron-btn utility; hover area aligns visually
while staying narrower than the sibling icon buttons.
* fix(studio/chat): keep training-run polls converging and drop dead preset code
- Keep training-run polls converging when responses outrun the 5s interval
(don't unconditionally abort prior in-flight; skip if one is still pending,
mutation race still guarded).
- Drop dead Creative/Precise preset code paths (remove 'builtin-fixed' source
variant + unreachable branches).
* fix(studio): training-run cards show custom name + model + dataset
- Training-run cards now display custom display_name + model + dataset,
with cross-view sync on rename/delete.
- Enhance clarity of borders and colors in dark theme on export etc.
* fix(studio): match active state green to unsloth brand color
* fix(studio): preserve can_resume on training rename
* fix(studio): keep GGUF chat template override distinct
* fix(studio): treat audio input models as multimodal
* fix(studio): cancel numeric draft on Escape
* fix(studio): use default speculative mode on toggle
* fix(studio): detect GGUF audio VLM input models
* fix(studio): address final PR review findings
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* fix(studio): refresh sidebar/history when a new training run starts so it appears without a manual reload
* fix: API and svg
* fix(studio/sidebar): align run rename dirty check with displayed baseline
* fix(studio/sidebar): use leading-tight on account block to prevent descender clipping with truncate
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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>
Co-authored-by: shine1i <wasimysdev@gmail.com>
* feat(db): add SQLite storage layer for training history
* feat(api): add training history endpoints and response models
* feat(training): integrate DB persistence into training event loop
* feat(ui): add training history views and card grid
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* fix(studio): address review issues in training history persistence
- Strip hf_token/wandb_token from config before SQLite storage
- Add UUID suffix to job_id for collision resistance
- Use isfinite() for 0.0 metric handling throughout
- Respect _should_stop in error event finalization
- Run schema DDL once per process, not per connection
- Close connection on schema init failure
- Guard cleanup_orphaned_runs at startup
- Cap _metric_buffer at 500 entries
- Make FLUSH_THRESHOLD a class constant
- Map 'running' to 'training' phase in historical view
- Derive LR/GradNorm from history arrays in historical view
- Fix nested button with div[role=button] in history cards
- Guard String(value) against null/undefined in config popover
- Clear selectedHistoryRunId on auto tab switch
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* fix(studio): address round-2 review findings across training backend and frontend
Backend (training.py):
- Move state mutation after proc.start() so a failed spawn does not wedge
the backend with is_training=True
- Create DB run row eagerly after proc.start() so runs appear in history
during model loading, not after first metric event
- Rewrite _flush_metrics_to_db() with snapshot-before-insert pattern to
preserve metrics arriving during the write and retain buffer on failure
- Guard eval_loss with float() coercion and math.isfinite(), matching the
existing grad_norm guard
- Increase pump thread join timeout from 3s to 8s to cover SQLite's
default 5s lock timeout
Frontend (studio-page.tsx):
- Fix history navigation: check isTrainingRunning instead of
showTrainingView in onSelectRun so completed runs are not misrouted
- Replace activeTab state + auto-switch useEffect with derived tab to
eliminate react-hooks/set-state-in-effect lint violation
Frontend (historical-training-view.tsx):
- Add explicit "running" branch to message ternary so running runs no
longer fall through to "Training errored"
- Derive loading from detail/error state and move cleanup to effect
return to eliminate react-hooks/set-state-in-effect lint violation
Frontend (progress-section.tsx):
- Derive stopRequested from isTrainingRunning && stopRequestedLocal to
eliminate react-hooks/set-state-in-effect lint violation and remove
unused useEffect import
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* fix(studio): resolve 3 remaining bugs from round-2 review
1. Stuck on Current Run tab [12/20]: Only force "current-run" tab when
isTrainingRunning is true, not when stale completed-run data exists.
After training ends, users can freely navigate to Configure.
2. Incomplete metric sanitization [7/20]: Apply float() coercion and
isfinite() guards to loss and learning_rate, matching the existing
pattern used by grad_norm and eval_loss. Prevents TypeError from
string values and NaN leaks into history arrays.
3. Stop button state leak across runs [10/20]: Add key={runtime.jobId}
to ProgressSection so React remounts it when a new run starts,
resetting stopRequestedLocal state.
* fix(studio): deduplicate loss/lr sanitization in training event handler
Reuse _safe_loss/_safe_lr from the progress update block instead of
re-sanitizing the same raw event values for metric history.
* fix(studio): restore loss > 0 guard to prevent eval steps injecting 0.0 into metric histories
Round-2/3 fixes relaxed the history append guard from `loss > 0` to
`loss is not None`, which let eval-only log events (where loss defaults
to 0.0) append fake zeros into loss_history and lr_history. Restore the
`loss > 0` check to match the worker's own has_train_loss gate. The
float() coercion and isfinite() sanitization from round-3 remain intact.
* fix(studio): resolve training history bugs — nullable loss/lr, tab nav, sparkline
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* fix: quotation marks
* diceware passphrase generation
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Add end-to-end embedding/sentence-transformer training pipeline using
FastSentenceTransformer, SentenceTransformerTrainer, and
MultipleNegativesRankingLoss with BatchSamplers.NO_DUPLICATES.
Backend:
- Add is_embedding_model() detection via HF tags + pipeline_tag
- Add /check-embedding/ API route and EmbeddingCheckResponse
- Extend derive_model_type() to return "embeddings"
- Add _run_embedding_training() in worker.py with progress callbacks,
stop handling, LoRA (task_type=FEATURE_EXTRACTION), and model saving
- Add is_embedding field to TrainingStartRequest and ModelDetails
- Add YAML configs for 5 models: all-MiniLM-L6-v2, bge-m3,
embeddinggemma-300m, gte-modernbert-base, Qwen3-Embedding-0.6B
Frontend:
- Wire isEmbeddingModel flag through store, API types, and mappers
- Force packing=false, train_on_completions=false, warmup_ratio=0.03
- Hide packing and train_on_completions checkboxes for embedding models
- Auto-set modelType to "embeddings" from backend model_type response
