JasonHoku-ComfyUI-Ultimate-Auto-Sampler-Config-Grid-Testing-Suite/ProjectStructure.md at 048ee3ca1b59512a3b0a90123a8f14f9bdf26cce

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JasonHoku 048ee3ca1b Update Readme & Project Structure

2026-02-16 14:56:26 -08:00

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Updated Project File Structure

ComfyUI-Ultimate-Sampler-Grid/
├── __init__.py                  # Server Routes & Node Mappings
├── sampler_node.py              # Main "Sampler Grid" Node
├── dashboard_node.py            # "Dashboard Viewer" Node
├── config_builder_node.py       # "Config Builder" Node
├── json_text_node.py            # "Smart JSON" Node
│
├── generation_orchestrator.py   # The "Conductor" (Loop Logic)
├── image_generation.py          # KSampler & VAE Wrappers
├── model_loader.py              # Checkpoint/LoRA Loading Logic
├── model_cache.py               # 3-Tier Model Caching System
├── remote_vae.py                # Remote VAE Offloading
│
├── batch_encoding.py            # Batch CLIP Encoding with Combinator Support
├── conditioning_cache.py        # Disk-based Conditioning Cache
├── lora_utils.py                # LoRA Searching & Validation
├── trigger_words.py             # CivitAI Trigger Word Fetching & Prompt Assembly
├── config_utils.py              # Config Parsing, Expansion & Cartesian Products
├── directory_scanner.py         # External Directory Session Scanner
├── metadata_packer.py           # PNG/WebP Metadata Embedding for Exports
├── manifest_utils.py            # Manifest Read/Write/Merge Helpers
├── html_generator.py            # Reads /resources/ to build the Dashboard HTML
│
├── web/                         # [ComfyUI Integration Layer]
│   ├── dashboard.js             # Registers Dashboard Node & Message Handling
│   ├── config_builder.js        # Registers Builder Node & Custom UI Widget
│   ├── smart_json_text.js       # Registers JSON Node & Syntax Highlighting
│   └── conf_builder/            # [Config Builder UI Modules]
│       ├── conf-builder-main.js           # Main entry, widget registration
│       ├── conf-builder-ui-components.js  # UI rendering (dropdowns, sliders, cards)
│       ├── conf-builder-config-management.js # Save/Load/Duplicate config logic
│       └── conf-builder-utilities.js      # State-to-JSON conversion, iteration counting
│
└── resources/                   # [The Dashboard SPA Core]
    ├── template.html            # HTML Skeleton for the generated report
    ├── report.css               # Styling (Infinite Canvas, Cards, Modals)
    ├── logic_init.js            # Bootstrapper (Load JSON, Init State)
    ├── logic_state.js           # State Store (Redux-style: filters, favorites)
    ├── logic_pipeline.js        # Data Processing (Filter -> Sort -> Layout)
    ├── logic_virtual.js         # Virtual DOM / Infinite Scroller Engine
    ├── logic_ui.js              # UI Renderer (DOM creation, Modal handling)
    ├── logic_events.js          # Interaction Handler (Hotkeys, API calls)
    └── logic_utils.js           # Helpers (Debounce, Formatters)

Output Directory Structure (Generated at Runtime):

ComfyUI/output/
├── ultimate-configs/                  # Saved config presets (NOT under benchmarks/)
│   └── {name}.json
└── benchmarks/
    ├── loras_tags.json                # LoRA trigger word cache (shared)
    ├── model_hashes.json              # SHA256 hash cache for CivitAI lookups
    ├── model-data/                    # CivitAI metadata cache per model
    │   └── {model_name}/metadata.json
    └── {session_name}/
        ├── manifest.json              # Generation metadata + user annotations
        ├── images/
        │   └── img_{n}.webp
        └── favorites/                 # Created by export_favorites endpoint

Project Architecture Overview

ComfyUI-Ultimate-Sampler-Grid is a hybrid application.

The Backend (Python): Runs inside ComfyUI. It orchestrates the grid generation, manages resources (caching/loading), and serves the API.
The Frontend Bridge (JS): Runs in the ComfyUI browser tab. It registers the custom nodes and widgets.
The Dashboard SPA (HTML/JS/CSS): A standalone, virtualized "IDE" for viewing results. It is generated by the backend but runs entirely in the client's browser, communicating back to the server only when saving changes.

Node Class Mappings

Internal Name	Python Class	Purpose
`UltimateSamplerGrid`	`SamplerGridTester`	Main generation node — receives configs, runs Cartesian grid
`UltimateGridDashboard`	`SamplerConfigDashboardViewer`	Dashboard viewer — renders iframe with results
`UltimateConfigBuilder`	`UltimateConfigBuilder`	Visual config builder — outputs `configs_json` string
`SmartJSONText`	`SmartJSONTextNode`	JSON text widget with syntax highlighting

API Routes Reference

All routes registered in __init__.py via PromptServer.instance.routes.

Config Builder APIs (/configbuilder/):

Method	Route	Purpose
GET	`/configbuilder/list_configs`	List saved config preset filenames
POST	`/configbuilder/save_config`	Save config preset `{name, data}`
POST	`/configbuilder/load_config`	Load config preset `{name}`
POST	`/configbuilder/lookup_triggers`	Bulk LoRA trigger word lookup `{loras: [...]}`
POST	`/configbuilder/lookup_lora_metadata`	Full CivitAI metadata for LoRA `{lora_name}`
POST	`/configbuilder/lookup_model_metadata`	Full CivitAI metadata for model `{model_name, model_type}`
GET	`/configbuilder/model_lists`	All model/sampler/scheduler/VAE lists
POST	`/configbuilder/refresh_models`	Signal frontend cache clear

Dashboard/Tester APIs (/config_tester/):

Method	Route	Purpose
POST	`/config_tester/delete_session`	Delete session folder `{session_name}`
POST	`/config_tester/save_changes`	Delta save — only changed items `{session_name, changed_items}`
POST	`/config_tester/save_manifest`	Full merge save `{session_name, manifest}`
POST	`/config_tester/get_session_html`	Generate dashboard HTML on-demand `{session_name, node_id}`
POST	`/config_tester/export_favorites`	Export favorited images `{session_name, pack_metadata, organize_by_prompt, organize_by_lora}`
POST	`/config_tester/scan_directory`	Scan external dir for images `{directory_path, session_name}`
GET	`/config_tester/view_external`	Serve whitelisted external images `?path=...`
POST	`/config_tester/whitelist_directory`	Re-whitelist dir after restart `{directory_path}`

1. The Backend: Core Logic & Orchestration

Located in the root directory.

sampler_node.py (The Interface)
Role: The primary ComfyUI node (SamplerGridTester). Validates inputs and passes control to the orchestrator.
Key Functions: run_tests() (entry point → delegates to generation_orchestrator.run_generation_loop()), find_existing_match(), get_latent_channels()
Key Logic: Disables caching features if "Optional" inputs are connected (since external changes can't be tracked). IS_CHANGED() returns NaN when optionals connected (forces re-execution), deterministic hash otherwise.
Required Inputs: ckpt_name, positive_text, negative_text, seed, denoise, configs_json, resolutions_json, session_name, overwrite_existing, flush_batch_every, add_random_seeds_to_gens, lora_triggerwords_mode, remote_vae_endpoint, save_conditioning_cache_to_file, enable_model_cache
Optional Inputs: optional_model (MODEL), optional_clip (CLIP), optional_vae (VAE), optional_positive (CONDITIONING), optional_negative (CONDITIONING), optional_latent (LATENT)
generation_orchestrator.py (The Conductor — largest file, ~987 lines)
Role: Manages the generation loop.
Key Functions: run_generation_loop(), check_if_job_completed(), setup_session_directories(), load_model_by_type(), get_model_cache_key(), calculate_clip_hash()
Key Logic:
Smart Skip: check_if_job_completed() matches against manifest items by seed/resolution/sampler/scheduler/steps/cfg/denoise. Skips model/lora/prompt matching when optional inputs connected.
Lookahead: Triggers model_cache.preload_lora_model() / preload_base_model() for the next job while the current one runs.
Interrupts: Catches InterruptProcessingException during text encoding AND image generation. Flushes pending VAE batch and saves manifest before stopping.
ETA Tracking: Sends ultimate_grid.progress events to dashboard via PromptServer.instance.send_sync().
Node Change Detection: Detects when connected upstream nodes have changed for smarter job resuming.
Pre-encoding: Single model → batch-encode all unique prompts upfront. Multi-model → re-encode per model switch.
VAE Switching: Flushes pending batch before switching VAE. Tracks default_model_vae for reverting to "Default".
image_generation.py (The Worker)
Role: Wraps KSampler and VAE Decode.
Key Logic: Implements flush_batch_with_vae to save images and update the manifest in chunks (preventing VRAM overflow).
config_builder_node.py (The Builder UI Backend)
Role: UltimateConfigBuilder node. All state stored in single lora_config widget as JSON string.
Key Functions: generate_config(), process_lora_array(), get_available_sessions(), expand_lora_folders(), lookup_lora_triggers()
Key Logic: Python reads ONLY lora_config widget — all other INPUT_TYPES widgets (samplers, schedulers, steps, cfg) are vestigial and ignored. Also defines API routes for trigger/metadata lookup and model lists.
html_generator.py (The Builder)
Role: Compiles the SPA into a single inlined HTML string.
Key Functions: get_html_template(title, manifest_data, node_id)
Key Logic: Reads all files from /resources/ in dependency order, injects them into template.html, embeds manifest.json as fullManifest JS variable. Replaces placeholders: __CSS_CONTENT__, __JS_CONTENT__, __TITLE__, __NODE_ID__. No separate HTTP requests — everything inlined.
JS Load Order: logic_state.js → logic_utils.js → logic_ui.js → logic_virtual.js → logic_pipeline.js → logic_events.js → logic_init.js

2. The Backend: Resource Management

Located in the root directory.

model_cache.py (The 3-Tier Cache)
Role: Thread-safe resource manager. Single ModelCache class.
Tiers: 1. LoRA File Cache (raw state_dicts in RAM), 2. Incremental States (partial LoRA stacks via check_incremental_cache()), 3. Final Patched Models (get_lora_model() / put_lora_model()).
Key Methods: get_base_model(), put_base_model(), preload_lora_model(), preload_base_model(), register_schedule(), set_current_step(), clear(), print_stats()
Async Preloading: preload_* methods run loaders in background threads via concurrent.futures, results retrieved later.
conditioning_cache.py (The Prompt Cache)
Role: Caches CLIP text encodings to disk.
Key Logic: Hashes (Prompt + CLIP State + LoRA Config) to ensure validity. Auto-disabled when optional inputs connected.
batch_encoding.py (The Accelerator)
Role: Bulk prompt encoder with combinator support.
Key Functions: encode_prompt_with_combinators(clip, text, clip_skip), batch_encode_prompts(clip, positives, negatives, cond_cache, clip_skip)
Combinators: AND (multi-cond with optional weights like :1.5), CAT (tensor concatenation), AVG(weight) (weighted average, default 0.5), BREAK (native tokenizer segment break at 77-token chunks).
model_loader.py (The Loader)
Role: Checkpoint, LoRA, VAE, GGUF, and diffusion model loading.
Key Functions: load_checkpoint(), load_loras(), load_vae_by_name(), load_diffusion_model_and_clip(), load_loras_for_preencoding(), cleanup_model_references(), print_incompatible_loras_summary()
trigger_words.py (Trigger Word Engine)
Role: CivitAI trigger word fetching and prompt assembly.
Key Functions: collect_unique_prompts_with_triggers(expanded_configs, mode), build_prompt_with_triggers(config, mode), get_filtered_lora_triggers(lora_string, omit_list)
Modes: "None", "Append To End", "Append To Start", "Read From Config". Per-LoRA placement via lora_triggerwords_append_settings. Also applies model_prompt_prefix / model_prompt_suffix.
config_utils.py (Expansion Engine)
Role: Config parsing, Cartesian product expansion, folder expansion.
Key Functions: expand_configs(), parse_prompt_input_nested(), prepare_input_jobs(), parse_lora_definition(), get_files_from_folder(), sanitize_session_name()
Key Logic: parse_prompt_input_nested() supports arbitrarily deep nested arrays for Cartesian prompting. "folder/" = expand individually, "folder/*" = stack all together.
manifest_utils.py (Manifest Persistence)
Key Functions: load_existing_manifest(), save_manifest(), merge_manifest_user_changes()
Key Logic: save_manifest() calls merge_manifest_user_changes() first — reloads from disk to preserve user favorites/rejected/notes that may have changed concurrently.
directory_scanner.py (External Image Scanner)
Key Functions: scan_directory_for_images(), parse_a1111_parameters()
Key Logic: Parses A1111-style PNG metadata into dashboard-compatible manifest items. Preserves user tags on re-scan by merging with existing manifest.
metadata_packer.py (Export Metadata)
Key Functions: pack_metadata_into_image(), extract_metadata_from_image(), calculate_file_hash()
Key Logic: Packs ComfyUI-compatible metadata into PNG for CivitAI uploads. Maintains SHA256 hash cache at benchmarks/model_hashes.json.

Key Data Shapes

Config Array State (node.state.config_arrays[n] in JS, parsed from lora_config widget in Python):

{
  "name": "Config 1",
  "samplers": ["euler", "dpmpp_2m"],
  "schedulers": ["normal", "karras"],
  "steps": "20, 30",
  "cfg": "7.0",
  "models": [{"path": "model.safetensors", "type": "checkpoint"}],
  "vaes": ["None"],
  "loras": ["lora.safetensors:1.00:1.00"],
  "lora_bypass_states": {"lora_name": true},
  "model_bypass_states": {"model_path": true},
  "lora_omit_triggers": [],
  "lora_triggerwords_append_settings": {},
  "lora_strength_lock": {},
  "combine": false,
  "positive_prompt_groups": [],
  "negative_prompt": "",
  "use_custom_prompts": false,
  "model_prompt_prefix": "",
  "model_prompt_suffix": "",
  "attention_modes": ["default"],
  "seed_behavior": "fixed",
  "text_encoders": [],
  "clip_type": "stable_diffusion",
  "gguf_options": {}
}

Manifest Item (manifest.json items[n]):

{
  "id": "uuid-string",
  "seed": 12345, "cfg": 7.0, "steps": 20,
  "sampler": "euler", "scheduler": "normal",
  "model": "model.safetensors", "lora": "lora:1.0:1.0",
  "vae": "vae.safetensors", "attention_mode": "default",
  "positive": "prompt text", "negative": "negative text",
  "denoise": 1.0, "width": 1024, "height": 1024,
  "batch_idx": 0, "generation_time": 45.2,
  "file": "/view?filename=img_0.webp&type=output&subfolder=benchmarks/session/images",
  "favorite": false, "rejected": false, "notes": ""
}

Communication Patterns

Widget Bridge (Config Builder → Python):

JS node.state → JSON.stringify() → lora_config widget.value → Python json.loads(lora_config)

All other widget params in INPUT_TYPES (samplers, schedulers, steps, cfg) are ignored by Python.

Live Dashboard Updates (Server → Dashboard iframe):

generation_orchestrator → PromptServer.send_sync("ultimate_grid.update")
  → dashboard.js api.addEventListener → postMessage({type: 'update_data'})
  → iframe logic_events.js message handler

Progress Updates (Server → Dashboard iframe):

generation_orchestrator → PromptServer.send_sync("ultimate_grid.progress")
  → dashboard.js → postMessage({type: 'progress_update'})
  → iframe #eta-bar update

Dashboard → Parent Frame:

iframe postMessage({type: 'toggle_fullscreen', node_id})
  → dashboard.js listener → toggle .dashboard-fullscreen class

3. The Frontend: ComfyUI Integration

Located in /web/.

dashboard.js
Role: Registers the Dashboard node (UltimateGridDashboard). Listens for ultimate_grid.update and ultimate_grid.progress server events.
Key Logic: Forwards events to matching iframe via postMessage(). Auto-loads session when update received for unloaded session. Handles fullscreen toggle via .dashboard-fullscreen CSS class.
Widgets: "RELOAD / SHOW SESSION" button → forceLoadSession(), "DELETE SESSION" button → POST /config_tester/delete_session
config_builder.js (entry point, loads conf_builder/ modules)
Role: Registers the Builder node (UltimateConfigBuilder). Entry point for the modular Config Builder UI.
Key Logic: onNodeCreated MUST be synchronous (async init runs in fire-and-forget IIFE). Uses Date.now() cache-busting on module import() calls. Hooks app.refreshComboInNodes() to detect model/LoRA changes.
Node Methods: node.saveState(), node.renderUI(), node.loadSession(sessionName), node.saveConfigToBackend(), node.loadConfigFromBackend(filename), node.triggerAutoSave() (2s debounce)
smart_json_text.js
Role: Registers the JSON node (SmartJSONText). Adds syntax highlighting and validation.
conf_builder/conf-builder-utilities.js (The Data Layer)
Key Exports: convertStateToConfigs(), getIterationCount(), parseLoraString(), buildLoraString(), refreshAllConfigBuilders(), clearAllCaches(), normalizePath(), getAvailableLoras(), getModelLists()
Global Caches: availableLoras, availableModels, availableVAEs, availableSamplers, availableSchedulers, availableSessions, availableConfigs
conf_builder/conf-builder-config-management.js (The UI Builder)
Key Exports: renderUI(), updatePreview(), renderConfigSection(), renderSessionSection(), createConfigArrayElement(), createModelElement()
conf_builder/conf-builder-ui-components.js (The Widget Library)
Key Exports: createSearchableSelect(), createSlider(), createInputGroup(), getStyles()

4. The Frontend: The Dashboard SPA

Located in /resources/. This is the "App" users interact with.

logic_init.js (The Bootstrapper)
Role: Main Entry Point.
Key Logic:
initDashboard(): The first function called.
Data Injection: detects if fullManifest exists (injected by Python). If not, it attempts to fetch it (View Mode).
Lifecycle: Calls initLogicState() -> applyPipeline() -> initVirtualScroller() -> initGlobalEvents().
logic_state.js (The Brain)
Role: Central State Store (Redux-style).
Key Logic:
State Object: Holds items (all images), filteredItems (visible), selection (active card), and favorites.
Triple JSON Lists: Manages the logic for the "Accepted", "Favorites", and "Rejected" JSON bars at the bottom of the UI.
Persistence: Saves user preferences (Sort Order, Column Count) to localStorage so they persist across reloads.
logic_events.js (The Handler)
Role: Interaction & API Bridge.
Key Logic:
Keyboard Shortcuts: Maps Arrow Keys (Pan), Space (Scroll), +/- (Zoom), F (Fit), Escape (close modals with priority chain).
API Calls: Uses fetch to hit endpoints like /config_tester/save_manifest (when you star/reject an image) and /config_tester/delete_session.
Live Updates: Listens for the executed event from ComfyUI to trigger a soft-refresh of the image list.
logic_virtual.js (The Engine)
Role: Virtual Scroller.
Key Logic: Calculates viewport geometry to render only the ~20 visible cards out of thousands, enabling high performance.
logic_pipeline.js (The Processor)
Role: Filtering & Sorting.
Key Logic: Transforms the raw item list based on active filters (Model, Sampler, etc.) before passing it to the virtual scroller.
logic_ui.js (The Renderer)
Role: DOM Manipulation.
Key Logic: Generates the HTML for individual cards, the "Revise" modal, and the unified Settings panel (gear icon). Manages modal open/close with overlay and body overflow lock.
logic_utils.js (The Helpers)
Role: Utilities and server communication.
Key Functions: loadSession(), saveState(), exportFavorites(), scanDirectory(), triggerGen(), toggleFullscreen(), rejectItem()

Key Functions Quick Reference

Python (by file):

File	Key Functions
`sampler_node.py`	`run_tests()`, `find_existing_match()`, `get_latent_channels()`, `IS_CHANGED()`
`config_builder_node.py`	`generate_config()`, `process_lora_array()`, `get_available_sessions()`, `expand_lora_folders()`
`generation_orchestrator.py`	`run_generation_loop()`, `check_if_job_completed()`, `setup_session_directories()`, `load_model_by_type()`
`batch_encoding.py`	`encode_prompt_with_combinators()`, `batch_encode_prompts()`
`config_utils.py`	`expand_configs()`, `parse_prompt_input_nested()`, `prepare_input_jobs()`, `parse_lora_definition()`
`model_loader.py`	`load_checkpoint()`, `load_loras()`, `load_vae_by_name()`, `load_diffusion_model_and_clip()`
`model_cache.py`	`ModelCache.get_base_model()`, `.put_base_model()`, `.preload_lora_model()`, `.register_schedule()`
`trigger_words.py`	`collect_unique_prompts_with_triggers()`, `build_prompt_with_triggers()`, `get_filtered_lora_triggers()`
`manifest_utils.py`	`load_existing_manifest()`, `save_manifest()`, `merge_manifest_user_changes()`
`directory_scanner.py`	`scan_directory_for_images()`, `parse_a1111_parameters()`
`metadata_packer.py`	`pack_metadata_into_image()`, `extract_metadata_from_image()`, `calculate_file_hash()`

JavaScript (by file):

File	Key Functions
`conf-builder-utilities.js`	`convertStateToConfigs()`, `getIterationCount()`, `parseLoraString()`, `buildLoraString()`, `refreshAllConfigBuilders()`
`conf-builder-config-management.js`	`renderUI()`, `updatePreview()`, `createConfigArrayElement()`, `createModelElement()`
`conf-builder-ui-components.js`	`createSearchableSelect()`, `createSlider()`, `getStyles()`
`conf-builder-main.js`	`ensureModulesLoaded()`, `node.saveState()`, `node.renderUI()`, `node.loadSession()`
`logic_ui.js`	`toggleCogMenu()`, `toggleFiltersPopup()`, `initFilters()`
`logic_utils.js`	`loadSession()`, `exportFavorites()`, `scanDirectory()`, `triggerGen()`, `toggleFullscreen()`
`logic_virtual.js`	`renderDOM()`, `updateVisibleItems()`, `calculateVisibleRange()`, `autoFitZoom()`, `goToImage()`
`logic_pipeline.js`	`updateDataPipeline()`, `executePipeline()`, `processNewData()`, `incrementalFilter()`
`logic_events.js`	Message handler for `progress_update` and `update_data` types

Summary of Data Flow

User Config: You set parameters in the Sampler Node (Python).
Expansion: generation_orchestrator.py expands this into a list of jobs.
Generation: The backend loops through jobs, using ModelCache and ConditioningCache for speed.
Storage: Images are saved to disk; metadata is appended to manifest.json.
Compilation: html_generator.py reads the manifest.json and all .js files in /resources/, baking them into a single dashboard_html string.
Display: The Dashboard Node (JS) renders this HTML in an iframe.
Boot: logic_init.js wakes up, loads the data into logic_state.js, and logic_virtual.js starts rendering cards.
Interaction: You click "Favorite" in the UI -> logic_events.js sends an API request to __init__.py -> Python updates manifest.json on disk.

Critical Development Gotchas

Dual Data Path — Frontend convertStateToConfigs() (in conf-builder-utilities.js) and Python generate_config() (in config_builder_node.py) are independent implementations that both transform node.state into config JSON. Both must stay in sync when adding new config fields or the UI preview will mismatch the actual output.
Widget Bridge — The lora_config widget (STRING type) holds the entire node state as serialized JSON. Python generate_config() ignores all other widget params and reads only lora_config. The samplers, schedulers, steps, cfg widgets in INPUT_TYPES are vestigial (kept for ComfyUI schema compliance only).
onNodeCreated Must Be Synchronous — In conf-builder-main.js, onNodeCreated MUST remain synchronous. Async initialization runs inside a fire-and-forget (async () => { ... })() IIFE. Making onNodeCreated itself async breaks widget registration.
Resources Are Inlined — html_generator.py reads all /resources/ files and bakes them into one HTML string. Zero external HTTP requests. Changes to dashboard JS/CSS require re-generating the HTML (re-run the sampler node or call /config_tester/get_session_html).
Manifest Merge on Save — manifest_utils.py save_manifest() calls merge_manifest_user_changes() which reloads from disk before saving. This preserves user favorites/rejected/notes that may have been changed concurrently while generation was running.
Optional Inputs Disable Caches — sampler_node.py disables conditioning cache when optional_model/optional_clip/optional_positive/optional_negative are connected. IS_CHANGED() returns NaN (forces re-execution). check_if_job_completed() skips model/lora/prompt matching.
Folder Expansion Syntax — "folder/" = expand to individual entries (one combination each). "folder/*" = stack ALL files in folder together as a single combined entry. Weight array syntax "lora:[0.5, 0.8]:1.0" creates grid search over strengths. No trailing slash = single file match.
LoRA String Format — "name:model_str:clip_str", stacked with " + " separator. parseLoraString() in JS, parse_lora_definition() in Python. Default strengths: 1.0 for both if colon-separated parts are missing.
Cache Busting — conf-builder-main.js uses Date.now() timestamp on import() calls for module loading. Also intercepts window.fetch to detect /object_info calls and trigger cache refresh. Static JS served via ComfyUI's /extensions/ path.
Config Presets Path — Saved to output/ultimate-configs/ (defined in __init__.py), NOT output/benchmarks/configs/. Session data goes under output/benchmarks/{session_name}/.
Field Name Inconsistency: favorite vs favorited — manifest_utils.py merge_manifest_user_changes() uses the key "favorite". But __init__.py routes like save_manifest and export_favorites check "favorited". When touching favorite/unfavorite logic, check which key name the specific code path uses.
Prompt Expansion is Recursive — parse_prompt_input_nested() in config_utils.py supports arbitrarily deep nested arrays. Flat list = OR (options). List containing sub-lists = AND (Cartesian product). This is used by both the node text inputs and per-config prompt groups from the builder UI.

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