Modal Input Components

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Discord introduced new interactive input components for modals beyond the original Text Input. These components enable richer form-like experiences with structured selection inputs.

Overview

Type	Name	Description	Container
4	Text Input	Free-form text entry (original modal input)	Action Row or Label
5	User Select	Select a user from the server or client context	Label
6	Role Select	Select a role from the server context	Label
8	Channel Select	Select a channel from the server context	Label
18	Label	Wrapper component for new modal inputs	—
21	Radio Group	Select exactly one option from a list	Label
22	Checkbox Group	Select one or many options from a list	Label
23	Checkbox	Single yes/no toggle	Label

Key Differences from Message Components

• Label wrapper required for structured inputs: Radio Group, Checkbox Group, Checkbox, User Select, Role Select, and Channel Select must be placed inside a Label component (type 18), not an Action Row. Text Inputs can use the older Action Row layout; TomoriBot’s raw modal path wraps them in Labels so the same form can carry descriptions and structured inputs.
• Modal-only: These components are only available in modals; they cannot be used in message payloads.
• Submit data structure: The interaction response nests the input component inside the Label’s component field, not in an ActionRow.components array.

---

Label

A Label is a container component for wrapping new modal input types. It provides a visible label and optional description above the input.

Labels are analogous to Action Rows for Text Inputs, but designed specifically for the newer input components.

Label Structure

Field	Type	Description
type	integer	18 for label
id?	integer	Optional identifier for component
label	string	Text displayed above the input
description?	string	Optional description text displayed below label
component	component	The input component (Radio Group, Checkbox Group, or Checkbox)

---

Radio Group

A Radio Group allows the user to select exactly one option from a defined list. Useful for mutually exclusive choices like provider selection, mode switches, or preference settings.

Radio Group Structure

Field	Type	Description
type	integer	21 for radio group
id?	integer	Optional identifier for component
custom_id	string	Developer-defined identifier for the input; 1-100 characters
options	array of radio group options	List of options to show; min 2, max 10
required?	boolean	Whether a selection is required to submit the modal (default: true)

Radio Group Option Structure

Field	Type	Description
value	string	Dev-defined value of the option; max 100 characters
label	string	User-facing label of the option; max 100 characters
description?	string	Optional description for the option; max 100 characters
default?	boolean	Shows the option as selected by default

Radio Group Interaction Response

Field	Type	Description
type	integer	21 for a Radio Group
id	integer	Unique identifier for the component
custom_id	string	Developer-defined identifier for the input; 1-100 characters
value	?string	The value of the selected option, or null if no option is selected

Modal Payload Example

{
  "type": 9,
  "data": {
    "custom_id": "class_selection_modal",
    "title": "Class Selection",
    "components": [
      {
        "type": 18,
        "label": "Choose your class",
        "description": "Your class determines the style of play for your character.",
        "component": {
          "type": 21,
          "custom_id": "class_radio",
          "options": [
            {"value": "warrior", "label": "Warrior", "description": "Strong and brave"},
            {"value": "rogue", "label": "Rogue", "description": "Weak and squishy"},
            {"value": "wizard", "label": "Wizard", "description": "Nerd"},
            {"value": "bard", "label": "Bard", "description": "Annoys everyone"},
            {"value": "witch_doctor", "label": "Witch Doctor", "description": "Actually a pretty cool option"}
          ]
        }
      }
    ]
  }
}

Submit Interaction Data Example

{
  "type": 5,
  "data": {
    "custom_id": "class_selection_modal",
    "components": [
      {
        "id": 1,
        "type": 18,
        "component": {
          "custom_id": "class_radio",
          "id": 2,
          "type": 21,
          "value": "warrior"
        }
      }
    ]
  }
}

---

Checkbox Group

A Checkbox Group allows the user to select one or many options from a list. Ideal for multi-select scenarios like capability toggles, feature flags, or day-of-week selection.

Checkbox Group Structure

Field	Type	Description
type	integer	22 for checkbox group
id?	integer	Optional identifier for component
custom_id	string	Developer-defined identifier for the input; 1-100 characters
options	array of checkbox group options	List of options to show; min 1, max 10
min_values?	integer	Minimum items that must be chosen; min 0, max 10 (default: 1); if 0, required must be false
max_values?	integer	Maximum items that can be chosen; min 1, max 10 (default: number of options)
required?	boolean	Whether selecting within the group is required (default: true)

Checkbox Group Option Structure

Field	Type	Description
value	string	Dev-defined value of the option; max 100 characters
label	string	User-facing label of the option; max 100 characters
description?	string	Optional description for the option; max 100 characters
default?	boolean	Shows the option as selected by default

Checkbox Group Interaction Response

Field	Type	Description
type	integer	22 for a Checkbox Group
id	integer	Unique identifier for the component
custom_id	string	Developer-defined identifier for the input; 1-100 characters
values	array of strings	The values of the selected options, or [] if no options are selected

Modal Payload Example

{
  "type": 9,
  "data": {
    "custom_id": "day_selection_modal",
    "title": "Study Days",
    "components": [
      {
        "type": 18,
        "label": "Which days are you free?",
        "description": "Choose all of the days you're able to meet up.",
        "component": {
          "type": 22,
          "custom_id": "event_checkbox",
          "options": [
            {"value": "march-4", "label": "March 4th"},
            {"value": "march-5", "label": "March 5th"},
            {"value": "march-7", "label": "March 7th", "description": "I know this is a Saturday and is tough"},
            {"value": "march-9", "label": "March 9th"},
            {"value": "march-10", "label": "March 10th"}
          ]
        }
      }
    ]
  }
}

Submit Interaction Data Example

{
  "type": 5,
  "data": {
    "custom_id": "day_selection_modal",
    "components": [
      {
        "id": 1,
        "type": 18,
        "component": {
          "custom_id": "event_checkbox",
          "id": 2,
          "type": 22,
          "values": [
            "march-5",
            "march-10",
            "march-4"
          ]
        }
      }
    ]
  }
}

---

Checkbox

A Checkbox is a single toggle for simple yes/no questions. Unlike Checkbox Group (which provides a list of options), a standalone Checkbox is a single binary input.

Checkbox Structure

Field	Type	Description
type	integer	23 for checkbox
id?	integer	Optional identifier for component
custom_id	string	Developer-defined identifier for the input; 1-100 characters
default?	boolean	Whether the checkbox is selected by default

Note: Checkboxes cannot be set as required. To achieve required single-option behavior, use a Checkbox Group with one option and required: true.

Checkbox Interaction Response

Field	Type	Description
type	integer	23 for a Checkbox
id	integer	Unique identifier for the component
custom_id	string	Developer-defined identifier for the input; 1-100 characters
value	boolean	The state of the checkbox (true if checked, false if unchecked)

Modal Payload Example

{
  "type": 9,
  "data": {
    "custom_id": "secret_note_modal",
    "title": "Secret Note",
    "components": [
      {
        "type": 18,
        "label": "Do you like me?",
        "component": {
          "type": 23,
          "custom_id": "like_checkbox"
        }
      }
    ]
  }
}

Submit Interaction Data Example

{
  "type": 5,
  "data": {
    "custom_id": "secret_note_modal",
    "components": [
      {
        "id": 1,
        "type": 18,
        "component": {
          "custom_id": "like_checkbox",
          "id": 2,
          "type": 23,
          "value": true
        }
      }
    ]
  }
}

---

User Select

A User Select modal component allows picking a Discord user from the client/guild context. In modals, it is wrapped in a Label component (type 18).

User Select Structure

Field	Type	Description
type	integer	5 for User Select
custom_id	string	Developer-defined identifier for the input; 1-100 characters
min_values?	integer	Minimum number of users that must be selected (default: 1)
max_values?	integer	Maximum number of users that can be selected (default: 1)
required?	boolean	Whether a selection is required before submitting (default: true)

Modal Payload Example

{
  "type": 9,
  "data": {
    "custom_id": "moderation:v1:user-blacklist-add-submit:en-US:nonce123",
    "title": "Add Blacklist",
    "components": [
      {
        "type": 18,
        "label": "Member",
        "description": "Choose a member to exclude from personalization.",
        "component": {
          "type": 5,
          "custom_id": "userblacklist_add_user_nonce123",
          "min_values": 1,
          "max_values": 1,
          "required": true
        }
      }
    ]
  }
}

Submit Interaction Data Example

{
  "type": 5,
  "data": {
    "custom_id": "moderation:v1:user-blacklist-add-submit:en-US:nonce123",
    "components": [
      {
        "id": 1,
        "type": 18,
        "component": {
          "custom_id": "userblacklist_add_user_nonce123",
          "id": 2,
          "type": 5,
          "values": ["123456789012345678"]
        }
      }
    ]
  }
}

---

Moderation compound modals

TomoriBot’s /moderation removal actions combine up to five Checkbox Groups with ten options each. Every entry is initially checked. Unchecking an entry expresses removal on submit, without a second confirmation. The route stores the presented values under the modal nonce and consumes that snapshot once, so it can distinguish an unchecked entry from an entry added concurrently after the modal opened. Lists above 50 entries must use a bounded fallback instead of silently truncating the modal.

The /moderation Personas add modal combines a String Select for the configured persona with a native Channel Select restricted to text channels. The server persona limit is below Discord’s 25-option String Select limit.

---

Channel Select

A Channel Select modal component allows picking a Discord channel from the server context, with optional channel type filtering (e.g. GuildText). In modals, it is wrapped in a Label component (type 18).

Channel Select Structure

Field	Type	Description
type	integer	8 for Channel Select
custom_id	string	Developer-defined identifier for the input; 1-100 characters
channel_types?	array of integer	Allowed channel type integers (e.g. [0] for GuildText)
min_values?	integer	Minimum number of channels that must be selected (default: 1)
max_values?	integer	Maximum number of channels that can be selected (default: 1)
required?	boolean	Whether a selection is required before submitting (default: true)

Modal Payload Example

{
  "type": 9,
  "data": {
    "custom_id": "moderation:v1:whitelist-channel-add-submit:en-US:nonce123",
    "title": "Add or Edit Channel",
    "components": [
      {
        "type": 18,
        "label": "Channel",
        "description": "Choose a text channel to whitelist.",
        "component": {
          "type": 8,
          "custom_id": "whitelist_channel_add_channel_nonce123",
          "channel_types": [0],
          "min_values": 1,
          "max_values": 1,
          "required": true
        }
      }
    ]
  }
}

Submit Interaction Data Example

{
  "type": 5,
  "data": {
    "custom_id": "moderation:v1:whitelist-channel-add-submit:en-US:nonce123",
    "components": [
      {
        "id": 1,
        "type": 18,
        "component": {
          "custom_id": "whitelist_channel_add_channel_nonce123",
          "id": 2,
          "type": 8,
          "values": ["123456789012345678"]
        }
      }
    ]
  }
}

---

Role Select

A Role Select modal component picks one or more roles from the current server. It uses component type 6 and is wrapped in a Label component (type 18) in modal payloads. Routed Role Select values use the same nonce-bounded, consume-once transport as User and Channel Select fields.

{
  "type": 18,
  "label": "Role",
  "description": "Choose a role whose members can trigger me.",
  "component": {
    "type": 6,
    "custom_id": "whitelist_role_add_role_nonce123",
    "min_values": 1,
    "max_values": 1,
    "required": true
  }
}

Submission data carries the selected role snowflake in the nested component’s values array. The handler must resolve it again through the current guild role manager and reject the everyone role before writing.

---

Component Selection Standards

Use this decision guide when choosing between modal input types.

When to Use Each Component

Component	Use When	Avoid When
Text Input	Free-form text entry: names, prompts, tags, API keys, URLs	The input is a choice from a known set of options
String Select	Large option sets (11+), dynamic/growing lists, options needing emoji or rich descriptions	Small fixed set of mutually exclusive options (use Radio Group instead)
Radio Group	Small fixed set of mutually exclusive options (2-10), unlikely to grow beyond 10	Option list is dynamic or may exceed 10 items (use String Select instead)
Checkbox Group	Multiple items can be selected from a list (1-10 options), OR a single required yes/no toggle	Mutually exclusive choice (use Radio Group)
Checkbox	Single optional yes/no or on/off toggle question	The answer is required (use Checkbox Group with 1 option instead)

Boolean Input Pattern

Many TomoriBot modals include yes/no, enable/disable, or true/false string selects. These should be migrated to:

• Optional boolean → Checkbox: Unchecked submits as false, checked as true. The user can leave it unchecked and still submit.
• Required boolean → Checkbox Group with 1 option: Set required: true and provide a single option. This forces the user to explicitly check it before submitting; acting as a required confirmation or acknowledgment.

// Required boolean workaround: Checkbox Group with 1 option
{
  "type": 18,
  "label": "Enable this server?",
  "component": {
    "type": 22,
    "custom_id": "enable_toggle",
    "required": true,
    "options": [
      {"value": "true", "label": "Yes, enable"}
    ]
  }
}

Decision Flowchart

Is the input free-form text?
  └─ Yes → Text Input
  └─ No → Is it a single yes/no question?
            └─ Yes → Is the answer required?
                      └─ Yes → Checkbox Group (1 option, required: true)
                      └─ No  → Checkbox
            └─ No → Can the user select multiple options?
                      └─ Yes → Checkbox Group (if ≤10 options)
                      └─ No → Is the option set small and fixed (≤10)?
                                └─ Yes → Radio Group
                                └─ No → String Select (supports 25+ via pagination)

Key Constraints

• Radio Group: 2-10 options. No emoji support. No placeholder text.
• Checkbox Group: 1-10 options. Supports min_values/max_values for range control. Also serves as the workaround for required single-boolean inputs.
• Checkbox: Cannot be required. Use a Checkbox Group with 1 option if required behavior is needed.
• String Select: Up to 25 options natively. Flows on the anchor message workflow must use selection.openModal(...) / openAnchorModal(...), whose >25 bridge keeps the range selector on the anchor Components V2 message. Flows still on promptWithPaginatedModal() may pass selectorStyle: "componentsV2" to render that same >25 selector (1-25/26-50 + Previous/Cancel/Next), or omit it for the legacy numbered page-button embed (default). Both selectors share buildRangeSelectorPayload. Supports emoji, descriptions, and placeholder text.
• All new components must be wrapped in a Label (type 18), not an Action Row.

Anchor workflow modal bridge

Inside a anchor message workflow, do not call promptWithPaginatedModal() or promptWithRawModal() directly because they would open the modal outside the anchor message and strand its controls. Open the modal from the workflow instead. After a persona is selected that means the selection phase from runPersonaPickerWorkflow(...):

const modal = await selection.openModal(modalOptions);

Non-persona commands reach the same bridge through openAnchorModal(...) (src/utils/discord/ui/anchorModelFlow.ts), which wraps the call below and renders the error terminal for transport failures.

When modalOptions are already in memory and the select has at most 25 choices, openModal calls showModal() as the selected button’s first acknowledgment. Do not call beginInPlaceWork() first; a deferred button cannot open a modal.

If building the options requires DB, filesystem, or network work, pass an asynchronous factory instead:

const modal = await selection.openModal(async () => {
  const rows = await repository.loadOptions(selection.persona.persona_id);
  return buildModalOptions(rows);
});

The factory form immediately update-defers the persona button, replaces the picker with a localized loading state, and only then runs the factory. Because that button is now consumed, the workflow renders a fresh Open Form button for at most 25 choices or a range selector for more than 25. The fresh button opens the modal as its first acknowledgment.

For larger sets, range buttons represent absolute slices of 25 (1-25, 26-50, …). Range navigation, cancellation, and timeout replace the same anchor message. The chosen range button opens the sliced modal, and a submitted phase reports optionOffset; add it to page-local indexes when the option values themselves are not stable IDs.

The bridge slices exactly one select component and treats every entry as a selectable option. A modal that breaks either assumption (several selects sharing one option list, or a reserved entry such as an explicit “None” that must appear on every page) cannot use it. Those pick a range up front with acquireModalOptionRange(...), passing a pageSize below 25 to leave room for the reserved entries, and then open a modal whose list is already sliced to 25 or fewer.

After submission, call modal.phase.beginInPlaceWork() before any slow validation or write. It update-defers the message-backed modal submission and returns the anchor-message controller. For an already-built terminal payload, modal.phase.replace(payload) instead uses the unacknowledged message-backed submission’s update() as the first acknowledgment. Do not call both operations for one submission. If openModal(...) returns fatal, stop the callback (the normal pattern is throw modal.error). The runner also records that fatal state, so even an accidental retry directive cannot reopen the picker.

PERSONA_WORKFLOW_COMPONENT_TIMEOUT_MS controls how long the in-place launcher/range buttons remain active (default 120000 ms). It does not alter Discord’s modal lifetime.

Bulk Configuration Management Pattern

When a modal is editing an existing list of configured items, prefer Checkbox Groups over a one-at-a-time String Select when the full set fits in a single modal.

• Pre-check every current entry and treat unchecked items as “remove” or “disable”.
• Use min_values: 0 and required: false so users can submit with every item unchecked.
• Chunk one category across multiple groups of 10 options, or split different entity types into separate groups.
• Give the first group a domain title such as Whitelisted Personas and a short instruction such as “Uncheck box then submit to remove whitelist.” Name later groups Continuation (1), Continuation (2), and so on, without repeating the description.
• Respect Discord’s modal ceiling: 5 checkbox groups, 10 options each, 50 total entries.
• If the list exceeds 50, keep the originating control panel visible and show a temporary yellow selection receipt above it with bounded range buttons such as 1-50 and 51-100. A range button opens a modal containing only that snapshot. Repaint or remove the receipt after the bounded workflow ends; never silently truncate.
• For persistent setting commands, treat checked items as the stored enabled-set and write the full checked set back on submit.

Implemented examples:

• /moderation manages blacklist, channel, persona, and role removals through domain-specific checklist modals.
• /config > Channels > Channel Rules manages the full saved private-channel set in one modal, with paginated fallback beyond 50 channels.
• /config > Channels > Channel Rules manages the full saved RP-channel set in one modal, with paginated fallback beyond 50 channels.
• /config > Channels > Channel Rules manages a persistent channel blocklist with saved check states and paginated fallback beyond 50 channels.
• /config > Engine > Notices manages visible notice embed types in one modal.
• /model override remove remains a combined aggregate managing channel and persona overrides together, opening direct raw modal batches up to 50, and offering page selection above that.
• MCP registrations are deliberately excluded from this pattern: the /config > Plugins > MCP Servers page removes one registration at a time behind an explicit confirmation, so selection never becomes destructive consent.
• /config > Models > Fallbacks & Randomizer manages the fallback chain in one modal, and each slot can be cleared directly with the built-in None option.
• /config > Behavior > Trigger removes random triggers in one modal when the set fits; beyond 50 schedules, Remove first repaints the page into an explicit removal-range state whose selector opens each batch.
• /config > Behavior > Trigger adds a random trigger for any persona page: past 24 selectable personas the Add button becomes a range select that opens the modal on the chosen page, because the modal repeats its fixed Random entry on every page and that entry spends one of Discord’s 25 option slots.
• /server trigger remove manages trigger words for the selected persona in one modal when the set fits, with paginated fallback beyond modal limits.

/setup Wizard Modals

The setup wizard builds every modal in src/utils/discord/ui/setupPanel.ts from the draft it is editing, and each one is a working example of the nesting rule above. Copy the shape from here rather than from memory, because a raw component’s type is a bare number and a wrong one still compiles, still submits, and reads back as nothing:

Modal	Builder	Rows
Provider API Key	buildSetupCatalogModal	Label (18) around a provider select (3), Label (18) around an API key input (4)
Custom Endpoint connection	buildSetupEndpointConnectionModal	Label (18) around an API style select (3), then one Label (18) each around the label, URL, and optional auth token inputs (4)
Custom Endpoint text model	buildSetupEndpointModelModal	Label (18) around the model code input (4), Label (18) around the context size input (4), Label (18) around a capability checkbox group (22)
User BYOK	buildSetupByokModal	A Text Display (10) explaining the mode, then a required yes/no Radio Group (21) in a Label (18)
Starting Settings	buildSetupSettingsModal	Four Labels (18): a persona select (3), a reply style select (3), a timezone input (4), and a system prompt select (3)
Policies acceptance	buildSetupPoliciesModal	A Text Display (10) carrying both documentation links, then a required Checkbox Group (22) in a Label (18) with one option per document

Two consequences are load-bearing. Every value the wizard needs to read back sits inside a type: 18 Label, because the raw-modal interception is gated on the packet carrying a type-18 component and walks only type-18 children: a control at the modal root renders, submits, and arrives empty. And a modal string select cannot be pre-filled, so the wizard’s three selects reopen on their placeholders while its timezone text input comes back carrying the stored value, which has to parse as the value the editor wrote rather than as the label the panel shows.

---

TomoriBot Migration Audit

A full survey of all modals in the codebase, categorized by migration eligibility.

Strong Candidates: Radio Group

These modals use a String Select with a small, fixed, mutually exclusive option set that is unlikely to grow beyond 10:

Command	File	Custom ID	Current Input	Options	Why Radio Group
/config > Engine > General	config/humanizer.ts	humanizer_select	String Select	4-5 (none/light/moderate/heavy; + inherit with scope: Persona)	Fixed set of mutually exclusive degrees
/setup	utils/discord/ui/setupPanel.ts	humanizer_{nonce}	String Select	4 (none/light/default/heavy)	Same fixed humanizer degree set as above; shipped inside the Starting Settings modal’s type: 18 Label
/personal config	utils/discord/ui/personalConfigPanel.ts	privacy_select	String Select	3 (minimal/partial/full)	Fixed set of 3 mutually exclusive levels
/generate image	generate/image.ts	aspect_ratio_select	String Select	10 (1:1, 2:3, 3:2, 3:4, 4:3, etc.)	Fixed set of 10 aspect ratios (at the limit)
/config > Plugins > MCP Servers Add form	discord/ui/mcpsPanel.ts	server-type_{nonce}	Radio Group	3 (General Purpose/Web Search/URL Fetcher)	Already migrated: required routed field with General Purpose selected by default
/compact	compact.ts	summary_type	String Select	2 (conversation/roleplay)	Fixed binary mode selection

Strong Candidates: Checkbox / Checkbox Group (Boolean Selects)

These modals currently use a 2-option String Select (yes/no, true/false, enable/disable) that should become a Checkbox or Checkbox Group depending on whether the answer is required:

Command	File	Custom ID	Current Options	Required	Migration Target
/config > Engine > Trigger	config/randomtrigger/add.ts	respond_to_self	Yes / No	Yes	Checkbox Group (1 option, required)
/compact	compact.ts	refresh_context	Yes / No	Yes	Checkbox Group (1 option, required)
/compact	compact.ts	analyze_images	Yes / No	Yes	Checkbox Group (1 option, required)
/config provider switch	config/provider/switch.ts	save_current_select	Yes / No (default: Yes)	No	Checkbox (default: true, rarely unchecked)
/respond	respond.ts	use_reasoning	Yes / No	No	Checkbox (optional toggle)
/persona export	persona/export.ts	export_json_select	False / True	No	Checkbox (optional toggle)

Note on /config provider switch: This modal has two migration candidates: the save-current-config toggle becomes a Checkbox (default checked, since users almost always want to save). The provider select itself is dynamic (loaded from DB via loadUniqueProviders()), so it stays as a String Select.

Note on /compact: This modal has three migration candidates: summary_type becomes a Radio Group, while refresh_context and analyze_images both become required Checkbox Groups.

Strong Candidates: Checkbox Group Bulk Management

These commands still remove one dynamic item at a time, but the data shape is a good fit for the unchecked-means-remove pattern:

Command	File	Current Input	Why Checkbox Groups Fit	Notes
/config > Persona > Identity & Personality	persona/attribute/remove.ts	Persona picker + single paginated select	Personality attributes are usually reviewed and pruned in batches	Needs index-safe array rewrite if duplicate attributes must be preserved
/scheduled-task remove	scheduled-task/remove.ts	Persona picker + single paginated select	Reminder cleanup is often batch-oriented, especially for stale schedules	Manager-only reminder views may need concise descriptions
/config > Persona > Identity & Personality	persona/sample-dialogue/remove.ts	Persona picker + single paginated select	Dialogue cleanup is often batch-oriented and already has index-safe removal	Good fit for index-valued checkbox groups
/persona remove	persona/remove.ts	Single paginated select	Alter persona cleanup could be batch-managed	Should pair the bulk UI with stronger destructive-action messaging

Not Candidates: Keep String Select

These modals have dynamic or large option sets that exceed Radio Group/Checkbox Group limits:

Command	File	Reason
/config provider switch	config/provider/switch.ts	Provider list is dynamic (DB via loadUniqueProviders())
/config > Models > Switch Models	config/model/text.ts	Dynamic model list, often 25+, uses pagination
/config > Models > Switch Models	config/model/image.ts	Dynamic model list, uses pagination
/config > Models > Switch Models	config/model/vision.ts	Dynamic model list, uses pagination
/config > Models > Switch Models	config/model/embedding.ts	Dynamic model list, uses pagination
/config > Models > Fallbacks & Randomizer	config/model/fallback.ts	Dynamic model list, uses pagination
/config > Engine > General	config/system-prompt/preset.ts	Dynamic preset list from DB
/config provider add	config/provider/add.ts	Provider select + text input combo; list may grow
/config > Persona > Advanced	persona/prompt/set.ts	Components V2 persona workflow first, then a prefilled free-form prompt modal (up to 16000 chars, 4 fields)
/config > Persona > Identity & Personality	persona/attribute/add.ts	Dynamic persona list, uses pagination
/config > Persona > Identity & Personality	persona/sample-dialogue/add.ts	Dynamic persona list, uses pagination
/config > Persona > Appearance	persona/image-tags.ts	Components V2 persona workflow, then a prefilled free-form tag modal
/config > Persona > Identity & Personality	persona/attribute/remove.ts	Dynamic attribute list, uses pagination
/scheduled-task remove	scheduled-task/remove.ts	Dynamic reminder list
/config > Channels > Logs & Welcome	server/welcome-channel/set.ts	Channel option + dynamic persona list

Not Candidates: Keep Text Input

These modals collect free-form text and have no structured option set:

Command	File	Reason
/config > Engine > General	config/system-prompt/set.ts	Free-form paragraph text (up to 16000 chars, 4 fields)
/config > Engine > Trigger	config/random-trigger/add.ts	Free-form trigger word/phrase (text input portion stays)
/config > Persona > Advanced	utils/discord/ui/configModals.ts	5 free-form text fields (author, title, tags, etc.)
/personal config	utils/discord/ui/personalConfigPanel.ts	Free-form physical appearance image tag text
/config > Models > Image Generation Defaults	config/image-tags/default-negative.ts	Free-form default negative tag text
/config > Models > Image Generation Defaults	config/image-tags/default-positive.ts	Free-form default positive tag text
/persona create	persona/create.ts	Free-form text fields + file upload
/persona generate	persona/generate.ts	Free-form name + file upload
/server trigger add	server/trigger/add.ts	Free-form text fields (word, response, cooldown)
/server avatar	server/avatar.ts	Persona select + optional file upload
/comment	comment.ts	Free-form paragraph text
/import personal memories	import/personal/memories.ts	File upload only

Provider Select To Model Modal

/config > Models > Switch Models and /personal config > Models > Switch Models share one shape, built from buildModelRoutingControl and buildProviderPageEntries in src/utils/discord/ui/modelRoutingControls.ts:

1. One String Select per capability, whose options are the eligible providers.
2. Choosing a provider whose catalog fits a modal page opens a modal holding the model select.
3. Choosing a provider whose catalog does not fit expands it in place into one option per page (Google (page 2)), and choosing a page opens the modal on that slice.

Two constraints force this shape rather than a second panel page. A modal select holds 25 options and cannot page inside itself, and a prev/next row cannot open the page it is parked on, so the range has to be chosen before the modal opens. Meanwhile a modal’s components do not count against the forty-component panel budget, so moving the catalog there is what lets six capability selectors share one page.

The two surfaces differ only where the domain differs. A user inherits from the server, so the leading option is Using Server Default on every capability; a server has nothing to inherit from, so the leading option is a clear, present only on the slots whose absorbed command offered one (CONFIG_CLEARABLE_MODEL_CAPABILITIES) and only while something is assigned.

Range navigation also differs by budget. /personal config renders a prev/next pagination row beneath each selector. /config cannot: six selectors would spend eighteen components on navigation alone, so its provider entries carry their own advance option (encodeConfigProviderRangeValue) which wraps at the last window. Fallbacks keeps the pagination row, because that page has one selector and the room for it.

Split-Prompt Field Labelling

A Discord text input holds 4,000 characters, so a long prompt is stored whole and split across several fields on open (splitPromptIntoModalParts) and rejoined on submit (combineModalPromptParts). Every such field must be labelled through promptPartLabel/promptPartDescription in src/utils/discord/ui/modalPromptPartLabels.ts, which renders Channel Prompt (Part 2 of 4) plus a description naming the part it continues. Identical labels on consecutive fields read as separate prompts and invite people to retype the whole thing in each one.

The Channel Prompt, System Prompt, and Persona Prompt modals all use it. Two-field editors that already carry an explicit (Part 2) label, such as attribute and sample-dialogue editing, are unaffected.

Button-To-Modal Confirmation Pattern

When a flow needs both a selection modal and a later prefilled edit modal, use:

1. selection modal
2. confirmation embed with buttons
3. showModal() from the confirm button interaction

This is the pattern used by the attribute and sample-dialogue edit flows on /config > Persona > Identity & Personality.

For persona-scoped flows that already have a persistent ephemeral picker message, prefer replacing that same message with the confirmation embed and later success state instead of spawning a second ephemeral thread.

Do not use promptWithConfirmation() for this case. It eagerly deferUpdate()s the button click in its collector filter, which consumes the interaction and prevents the next showModal() call.

Use promptWithUnacknowledgedConfirmation() instead so the confirm button interaction stays available for the edit modal.

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discord.js Support Status

The current discord.js builder/data surface does not model every one of these inputs. TomoriBot sends Label-wrapped raw modal payloads through Discord REST and intercepts the gateway submission before discord.js parsing, preserving Radio Group, Checkbox Group, Checkbox, select, and file-upload values. Most command-local flows use promptWithRawModal() and its bounded collector. The persistent MCP Add form, reached from /config > Plugins > MCP Servers, reuses the raw send and value interception without that collector: nonce-bounded config:v2 modal submissions go through the global interaction router, and interception is installed during startup so an already-open supported modal remains routable after a process restart. The gateway wrapper forwards packetless readiness calls unchanged. Discord.js uses these calls to drain packets queued before the client became ready.