Add vocab string list usage guide

README.md

@@ -133,6 +133,8 @@ Connect the optional `chain` input to append generated words after an existing s
 
 `Multi Vocab String List (Nukun)` combines four selectable vocab files in one node. Each slot has its own `amount` and incrementable `word_index` cursor, so ComfyUI's control-after-generate menu can keep, increment, decrement, or randomize each slot independently. The node returns a combined string plus one output per slot.
 
+See [VOCAB_STRING_LIST_GUIDE.md](VOCAB_STRING_LIST_GUIDE.md) for a practical guide to using both vocab nodes.
+
 ## Ollama Prompt Refiner
 
 This node sends a random vocabulary string to a local Ollama model and returns one curated split prompt set for the selected `target_profile`: `pony_v6`, `illustrious`, `pony_v7`, `z_image`, `anima`, or `wan2_2_video`.

VOCAB_STRING_LIST_GUIDE.md

@@ -0,0 +1,125 @@
+# Vocab String List Guide
+
+This guide explains how to use **Random Vocab String List (Nukun)** and **Multi Vocab String List (Nukun)** in ComfyUI.
+
+Both nodes read selectable vocabulary files and output prompt text. They are useful when you want controlled random prompt variation without editing the prompt by hand for every queue run.
+
+## Vocabulary Files
+
+The nodes can read:
+
+- `ComfyUI/user/vocab.json`, when present.
+- Bundled files in `custom_nodes/Nukun_ComfyUI_Nodes/resources/`.
+- Custom `.csv`, `.txt`, or `.json` files added to the `resources/` folder.
+
+Vocabulary files are read as comma-separated entries:
+
+```text
+masterpiece,best quality,cinematic lighting,sharp focus
+```
+
+Avoid leading spaces after commas. Use `tag_a,tag_b,tag_c` instead of `tag_a, tag_b, tag_c`.
+
+## Random Vocab String List
+
+Use **Random Vocab String List (Nukun)** when you want one vocabulary file and one generated text output.
+
+Inputs:
+
+- `vocab_file`: the vocabulary file to use.
+- `amount`: how many entries to output.
+- `seed`: the shuffle-bag block cursor.
+- `chain`: optional incoming text. When connected, generated words are appended after it.
+
+The node uses deterministic shuffle-bag sampling. Incrementing `seed` walks through non-overlapping shuffled blocks before reshuffling, so repeated queued runs cover more of the vocabulary before entries repeat.
+
+Example:
+
+```text
+vocab_file = resources/quality_tags.csv
+amount = 4
+seed = increment after generate
+```
+
+This is good for adding a small rotating set of quality, detail, lighting, or camera tags.
+
+## Multi Vocab String List
+
+Use **Multi Vocab String List (Nukun)** when you want to combine up to four independent vocabulary files.
+
+Each slot has:
+
+- `vocab_file_N`: the vocabulary file for that slot.
+- `amount_N`: how many entries to output from that slot. Set `0` to disable the slot.
+- `word_index_N`: the shuffle-bag block cursor for that slot.
+
+Outputs:
+
+- `combined`: all enabled slot outputs joined into one string, plus optional `chain` text.
+- `slot_1`
+- `slot_2`
+- `slot_3`
+- `slot_4`
+
+Each slot has its own deterministic shuffle order, so the slots do not all walk through their vocabularies in the same pattern.
+
+Example setup:
+
+```text
+Slot 1: resources/quality_tags.csv, amount 3
+Slot 2: resources/camera_composition.csv, amount 2
+Slot 3: resources/anima2b_artists_clean.csv, amount 1
+Slot 4: resources/place_environments.csv, amount 2
+```
+
+This can produce a compact prompt seed such as:
+
+```text
+best quality sharp focus cinematic lighting close_up depth_of_field dairi moonlit forest
+```
+
+## Recommended Workflows
+
+For simple variation:
+
+```text
+Random Vocab String List -> text encoder or prompt refiner
+```
+
+For richer prompt seeds:
+
+```text
+Multi Vocab String List -> Ollama Prompt Refiner (Nukun) -> text encoders
+```
+
+For prompt chaining:
+
+```text
+fixed base prompt -> chain input
+generated vocab output -> appended after the base prompt
+```
+
+## Practical Tips
+
+- Use small `amount` values for quality tags, usually `2-5`.
+- Use `amount = 1` for artist lists if you want a clear single style reference.
+- Use separate slots for different concepts, such as quality, camera, artist, environment, action, or objects.
+- Set ComfyUI control-after-generate to `increment` for steady exploration.
+- Set it to `randomize` when you want a larger jump through the vocabulary.
+- Keep vocabulary entries short and prompt-ready.
+- Avoid duplicate entries in custom vocab files; the nodes deduplicate before sampling.
+
+## Bundled Useful Resources
+
+Common bundled choices include:
+
+- `resources/quality_tags.csv`
+- `resources/camera_composition.csv`
+- `resources/anima2b_artists_clean.csv`
+- `resources/adjectives.csv`
+- `resources/objects.csv`
+- `resources/place_environments.csv`
+- `resources/animals_mythical_creatures.csv`
+- `resources/little_doom_*.csv`
+
+The resource list updates when ComfyUI reloads the custom node package.