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app/MindWork AI Studio/Plugins/assistants/README.md
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@ -2,12 +2,32 @@
This folder keeps the Lua manifest (`plugin.lua`) that defines a custom assistant. Treat it as the single source of truth for how AI Studio renders your assistant UI and builds the submitted prompt. This folder keeps the Lua manifest (`plugin.lua`) that defines a custom assistant. Treat it as the single source of truth for how AI Studio renders your assistant UI and builds the submitted prompt.
## Table of Contents
## How to use this Documention
Fill our here
## Directory Structure
```
.
└── com.github.mindwork-ai.ai-studio/
└── data/
└── plugins/
└── assistants/
└── your-assistant-directory/
├── assets/
│ └── your-media-files.jpg
├── icon.lua
└── plugin.lua
```
## Structure ## Structure
- `ASSISTANT` is the root table. It must contain `Title`, `Description`, `SystemPrompt`, `SubmitText`, `AllowProfiles`, and the nested `UI` definition. - `ASSISTANT` is the root table. It must contain `Title`, `Description`, `SystemPrompt`, `SubmitText`, `AllowProfiles`, and the nested `UI` definition.
- `UI.Type` is always `"FORM"` and `UI.Children` is a list of component tables. - `UI.Type` is always `"FORM"` and `UI.Children` is a list of component tables.
- Each component table declares `Type`, an optional `Children` array, and a `Props` table that feeds the component’s parameters. - Each component table declares `Type`, an optional `Children` array, and a `Props` table that feeds the component’s parameters.
Supported types (matching the Blazor UI components): #### Supported types (matching the Blazor UI components):
- `TEXT_AREA`: user input field based on `MudTextField`; requires `Name`, `Label`, and may include `HelperText`, `HelperTextOnFocus`, `Adornment`, `AdornmentIcon`, `AdornmentText`, `AdornmentColor`, `Counter`, `MaxLength`, `IsImmediate`, `UserPrompt`, `PrefillText`, `IsSingleLine`, `ReadOnly`, `Class`, `Style`. - `TEXT_AREA`: user input field based on `MudTextField`; requires `Name`, `Label`, and may include `HelperText`, `HelperTextOnFocus`, `Adornment`, `AdornmentIcon`, `AdornmentText`, `AdornmentColor`, `Counter`, `MaxLength`, `IsImmediate`, `UserPrompt`, `PrefillText`, `IsSingleLine`, `ReadOnly`, `Class`, `Style`.
- `DROPDOWN`: selects between variants; `Props` must include `Name`, `Label`, `Default`, `Items`, and optionally `ValueType` plus `UserPrompt`. - `DROPDOWN`: selects between variants; `Props` must include `Name`, `Label`, `Default`, `Items`, and optionally `ValueType` plus `UserPrompt`.
@ -27,99 +47,9 @@ Supported types (matching the Blazor UI components):
Images referenced via the `plugin://` scheme must exist in the plugin directory (e.g., `assets/example.png`). Drop the file there and point `Src` at it. The component will read the file at runtime, encode it as Base64, and render it inside the assistant UI. Images referenced via the `plugin://` scheme must exist in the plugin directory (e.g., `assets/example.png`). Drop the file there and point `Src` at it. The component will read the file at runtime, encode it as Base64, and render it inside the assistant UI.
## Prompt Assembly More information on rendered components can be found [here](https://www.mudblazor.com/docs/overview).
Each component exposes a `UserPrompt` string. When the assistant runs, `AssistantDynamic` recursively iterates over the component tree and, for each component that has a prompt, emits:
``` ## Component References
context:
<UserPrompt>
---
user prompt:
<value extracted from the component>
```
For switches the “value” is the boolean `true/false`; for readers it is the fetched/selected content; for color pickers it is the selected color text (for example `#FFAA00` or `rgba(...)`, depending on the picker mode). Always provide a meaningful `UserPrompt` so the final concatenated prompt remains coherent from the LLM’s perspective.
### Advanced: BuildPrompt (optional)
If you want full control over prompt composition, define `ASSISTANT.BuildPrompt` as a Lua function. When present, AI Studio calls it and uses its return value as the final user prompt. The default prompt assembly is skipped.
#### Contract
- `ASSISTANT.BuildPrompt(input)` must return a **string**.
- If the function is missing, returns `nil`, or returns a non-string, AI Studio falls back to the default prompt assembly.
- Errors in the function are caught and logged, then fall back to the default prompt assembly.
#### Input table shape
The function receives a single `input` table with:
- `input.fields`: values keyed by component `Name`
- Text area, dropdown, and readers are strings
- Switch is a boolean
- Color picker is the selected color as a string
- `input.meta`: per-component metadata keyed by component `Name`
- `Type` (string, e.g. `TEXT_AREA`, `DROPDOWN`, `SWITCH`, `COLOR_PICKER`)
- `Label` (string, when provided)
- `UserPrompt` (string, when provided)
- `input.profile`: selected profile data
- `Id`, `Name`, `NeedToKnow`, `Actions`, `Num`
- When no profile is selected, values match the built-in "Use no profile" entry
#### Table shapes (quick reference)
```
input = {
fields = {
["<Name>"] = "<string|boolean>",
...
},
meta = {
["<Name>"] = {
Type = "<TEXT_AREA|DROPDOWN|SWITCH|WEB_CONTENT_READER|FILE_CONTENT_READER|COLOR_PICKER>",
Label = "<string?>",
UserPrompt = "<string?>"
},
...
},
profile = {
Name = "<string>",
NeedToKnow = "<string>",
Actions = "<string>",
Num = <number>
}
}
```
#### Using `meta` inside BuildPrompt
`input.meta` is useful when you want to dynamically build the prompt based on component type or reuse existing UI text (labels/user prompts).
Example: iterate all fields with labels and include their values
```lua
ASSISTANT.BuildPrompt = function(input)
local parts = {}
for name, value in pairs(input.fields) do
local meta = input.meta[name]
if meta and meta.Label and value ~= "" then
table.insert(parts, meta.Label .. ": " .. tostring(value))
end
end
return table.concat(parts, "\n")
end
```
Example: handle types differently
```lua
ASSISTANT.BuildPrompt = function(input)
local parts = {}
for name, meta in pairs(input.meta) do
local value = input.fields[name]
if meta.Type == "SWITCH" then
table.insert(parts, name .. ": " .. tostring(value))
elseif meta.Type == "COLOR_PICKER" and value and value ~= "" then
table.insert(parts, name .. ": " .. value)
elseif value and value ~= "" then
table.insert(parts, name .. ": " .. value)
end
end
return table.concat(parts, "\n")
end
```
### `TEXT_AREA` reference ### `TEXT_AREA` reference
- Use `Type = "TEXT_AREA"` to render a MudBlazor text input or textarea. - Use `Type = "TEXT_AREA"` to render a MudBlazor text input or textarea.
@ -142,7 +72,7 @@ end
- `ReadOnly`: defaults to `false`; disables editing. - `ReadOnly`: defaults to `false`; disables editing.
- `Class`, `Style`: forwarded to the rendered component for layout/styling. - `Class`, `Style`: forwarded to the rendered component for layout/styling.
Example: #### Example:
```lua ```lua
{ {
["Type"] = "TEXT_AREA", ["Type"] = "TEXT_AREA",
@ -162,6 +92,7 @@ Example:
} }
} }
``` ```
---
### `BUTTON` reference ### `BUTTON` reference
- Use `Type = "BUTTON"` to render a clickable action button. - Use `Type = "BUTTON"` to render a clickable action button.
@ -180,7 +111,7 @@ Example:
- `IconSize`: one of the MudBlazor `Size` enum names; omitted values fall back to `Medium`. - `IconSize`: one of the MudBlazor `Size` enum names; omitted values fall back to `Medium`.
- `Class`, `Style`: forwarded to the rendered component for layout/styling. - `Class`, `Style`: forwarded to the rendered component for layout/styling.
#### `Action(input)` contract #### `Action(input)` interface
- The function receives the same `input` structure as `ASSISTANT.BuildPrompt(input)`. - The function receives the same `input` structure as `ASSISTANT.BuildPrompt(input)`.
- Return `nil` for no state update. - Return `nil` for no state update.
- To update component state, return a table with a `fields` table. - To update component state, return a table with a `fields` table.
@ -190,7 +121,7 @@ Example:
- `SWITCH`: boolean values - `SWITCH`: boolean values
- Unknown field names and wrong value types are ignored and logged. - Unknown field names and wrong value types are ignored and logged.
Example: #### Example:
```lua ```lua
{ {
["Type"] = "BUTTON", ["Type"] = "BUTTON",
@ -211,12 +142,12 @@ Example:
local output = email local output = email
if translate then if translate then
output = output .. "\n\nTranslate this email." output = output .. "\n\nTranslate this email:"
end end
return { return {
fields = { fields = {
outputBuffer = output outputTextField = output
} }
} }
end, end,
@ -225,6 +156,7 @@ Example:
} }
} }
``` ```
---
### `BUTTON_GROUP` reference ### `BUTTON_GROUP` reference
- Use `Type = "BUTTON_GROUP"` to render multiple `BUTTON` children as a single MudBlazor button group. - Use `Type = "BUTTON_GROUP"` to render multiple `BUTTON` children as a single MudBlazor button group.
@ -240,7 +172,7 @@ Example:
- `Class`, `Style`: forwarded to the rendered `MudButtonGroup` for layout/styling. - `Class`, `Style`: forwarded to the rendered `MudButtonGroup` for layout/styling.
- Child buttons use the existing `BUTTON` props and behavior, including Lua `Action(input)`. - Child buttons use the existing `BUTTON` props and behavior, including Lua `Action(input)`.
Example: #### Example:
```lua ```lua
{ {
["Type"] = "BUTTON_GROUP", ["Type"] = "BUTTON_GROUP",
@ -283,6 +215,193 @@ Example:
} }
} }
``` ```
---
### `SWITCH` reference
- Use `Type = "SWITCH"` to render a boolean toggle.
- Required props:
- `Name`: unique state key used in prompt assembly and `BuildPrompt(input.fields)`.
- `Label`: visible label for the switch field.
- `Value`: initial boolean state (`true` or `false`).
- Optional props:
- `Disabled`: defaults to `false`; disables user interaction while still allowing the value to be included in prompt assembly.
- `UserPrompt`: prompt context text for this field.
- `LabelOn`: text shown when the switch value is `true`.
- `LabelOff`: text shown when the switch value is `false`.
- `LabelPlacement`: one of `Bottom`, `End`, `Left`, `Right`, `Start`, `Top`; omitted values follow the renderer default.
- `Icon`: MudBlazor icon identifier string displayed inside the switch thumb.
- `IconColor`: one of the MudBlazor `Color` enum names such as `Primary`, `Secondary`, `Warning`; omitted values default to `Inherit`.
- `CheckedColor`: color used when the switch state is `true`; omitted values default to `Inherit`.
- `UncheckedColor`: color used when the switch state is `false`; omitted values default to `Inherit`.
- `Class`, `Style`: forwarded to the rendered component for layout/styling.
#### Example:
```lua
{
["Type"] = "SWITCH",
["Props"] = {
["Name"] = "IncludeSummary",
["Label"] = "Include summary",
["Value"] = true,
["Disabled"] = false,
["UserPrompt"] = "Decide whether the final answer should include a short summary.",
["LabelOn"] = "Summary enabled",
["LabelOff"] = "Summary disabled",
["LabelPlacement"] = "End",
["Icon"] = "Icons.Material.Filled.Summarize",
["IconColor"] = "Primary",
["CheckedColor"] = "Success",
["UncheckedColor"] = "Default",
["Class"] = "mb-6",
}
}
```
---
### `COLOR_PICKER` reference
- Use `Type = "COLOR_PICKER"` to render a MudBlazor color picker.
- Required props:
- `Name`: unique state key used in prompt assembly and `BuildPrompt(input.fields)`.
- `Label`: visible field label.
- Optional props:
- `Placeholder`: default color hex string (e.g. `#FF10FF`) or initial hint text.
- `ShowAlpha`: defaults to `true`; enables alpha channel editing.
- `ShowToolbar`: defaults to `true`; shows picker/grid/palette toolbar.
- `ShowModeSwitch`: defaults to `true`; allows switching between HEX/RGB(A)/HSL modes.
- `PickerVariant`: one of `DIALOG`, `INLINE`, `STATIC`; invalid or omitted values fall back to `STATIC`.
- `UserPrompt`: prompt context text for the selected color.
- `Class`, `Style`: forwarded to the rendered component for layout/styling.
#### Example:
```lua
{
["Type"] = "COLOR_PICKER",
["Props"] = {
["Name"] = "accentColor",
["Label"] = "Accent color",
["Placeholder"] = "#FFAA00",
["ShowAlpha"] = false,
["ShowToolbar"] = true,
["ShowModeSwitch"] = true,
["PickerVariant"] = "STATIC",
["UserPrompt"] = "Use this as the accent color for the generated design."
}
}
```
## Prompt Assembly - UserPrompt Property
Each component exposes a `UserPrompt` string. When the assistant runs, `AssistantDynamic` recursively iterates over the component tree and, for each component that has a prompt, emits:
```
context:
<UserPrompt>
---
user prompt:
<value extracted from the component>
```
For switches the “value” is the boolean `true/false`; for readers it is the fetched/selected content; for color pickers it is the selected color text (for example `#FFAA00` or `rgba(...)`, depending on the picker mode). Always provide a meaningful `UserPrompt` so the final concatenated prompt remains coherent from the LLM’s perspective.
## Advanced Prompt Assembly - BuildPrompt()
If you want full control over prompt composition, define `ASSISTANT.BuildPrompt` as a Lua function. When present, AI Studio calls it and uses its return value as the final user prompt. The default prompt assembly is skipped.
---
### Interface
- `ASSISTANT.BuildPrompt(LuaTable input) => string` must return a **string**, the complete User Prompt.
- If the function is missing, returns `nil`, or returns a non-string, AI Studio falls back to the default prompt assembly.
- Errors in the function are caught and logged, then fall back to the default prompt assembly.
---
### `input` table shape
The function receives a single `input` Lua table with:
- `input.fields`: values keyed by component `Name`
- Text area, dropdown, and readers are strings
- Switch is a boolean
- Color picker is the selected color as a string
- `input.meta`: per-component metadata keyed by component `Name`
- `Type` (string, e.g. `TEXT_AREA`, `DROPDOWN`, `SWITCH`, `COLOR_PICKER`)
- `Label` (string, when provided)
- `UserPrompt` (string, when provided)
- `input.profile`: selected profile data
- `Name`, `NeedToKnow`, `Actions`, `Num`
- When no profile is selected, values match the built-in "Use no profile" entry
```
input = {
fields = {
["<Name>"] = "<string|boolean>",
...
},
meta = {
["<Name>"] = {
Type = "<TEXT_AREA|DROPDOWN|SWITCH|WEB_CONTENT_READER|FILE_CONTENT_READER|COLOR_PICKER>",
Label = "<string?>",
UserPrompt = "<string?>"
},
...
},
profile = {
Name = "<string>",
NeedToKnow = "<string>",
Actions = "<string>",
Num = <number>
}
}
-- <Name> is the value you set in the components name property
```
---
### Using `meta` inside BuildPrompt
`input.meta` is useful when you want to dynamically build the prompt based on component type or reuse existing UI text (labels/user prompts).
#### Example: iterate all fields with labels and include their values
```lua
ASSISTANT.BuildPrompt = function(input)
local parts = {}
for name, value in pairs(input.fields) do
local meta = input.meta[name]
if meta and meta.Label and value ~= "" then
table.insert(parts, meta.Label .. ": " .. tostring(value))
end
end
return table.concat(parts, "\n")
end
```
#### Example: handle types differently
```lua
ASSISTANT.BuildPrompt = function(input)
local parts = {}
for name, meta in pairs(input.meta) do
local value = input.fields[name]
if meta.Type == "SWITCH" then
table.insert(parts, name .. ": " .. tostring(value))
elseif meta.Type == "COLOR_PICKER" and value and value ~= "" then
table.insert(parts, name .. ": " .. value)
elseif value and value ~= "" then
table.insert(parts, name .. ": " .. value)
end
end
return table.concat(parts, "\n")
end
```
---
### Using `profile` inside BuildPrompt
Profiles are optional user context (e.g., "NeedToKnow" and "Actions"). You can inject this directly into the user prompt if you want the LLM to always see it.
#### Example:
```lua
ASSISTANT.BuildPrompt = function(input)
local parts = {}
if input.profile and input.profile.NeedToKnow ~= "" then
table.insert(parts, "User context:")
table.insert(parts, input.profile.NeedToKnow)
table.insert(parts, "")
end
table.insert(parts, input.fields.Main or "")
return table.concat(parts, "\n")
end
```
## Advanced Layout Options
### `LAYOUT_GRID` reference ### `LAYOUT_GRID` reference
- Use `Type = "LAYOUT_GRID"` to render a MudBlazor grid container. - Use `Type = "LAYOUT_GRID"` to render a MudBlazor grid container.
@ -308,22 +427,32 @@ Example:
{ {
["Type"] = "LAYOUT_ITEM", ["Type"] = "LAYOUT_ITEM",
["Props"] = { ["Props"] = {
["Name"] = "leftItem", ["Name"] = "contentColumn",
["Xs"] = 12, ["Xs"] = 12,
["Md"] = 6 ["Lg"] = 8
} },
["Children"] = {
["Type"] = "<TEXT_AREA|BUTTON|BUTTON_GROUP|SWITCH|PROVIDER_SELECTION|...>",
["Props"] = {...},
},
}, },
{ {
["Type"] = "LAYOUT_ITEM", ["Type"] = "LAYOUT_ITEM",
["Props"] = { ["Props"] = {
["Name"] = "rightItem", ["Name"] = "contentColumn2",
["Xs"] = 12, ["Xs"] = 12,
["Md"] = 6 ["Lg"] = 8
} },
} ["Children"] = {
["Type"] = "<TEXT_AREA|BUTTON|BUTTON_GROUP|SWITCH|PROVIDER_SELECTION|...>",
["Props"] = {...},
},
},
...
} }
} }
``` ```
---
### `LAYOUT_ITEM` reference ### `LAYOUT_ITEM` reference
- Use `Type = "LAYOUT_ITEM"` to render a MudBlazor grid item. - Use `Type = "LAYOUT_ITEM"` to render a MudBlazor grid item.
@ -344,9 +473,17 @@ Example:
["Name"] = "contentColumn", ["Name"] = "contentColumn",
["Xs"] = 12, ["Xs"] = 12,
["Lg"] = 8 ["Lg"] = 8
},
["Children"] = {
{
["Type"] = "<TEXT_AREA|BUTTON|BUTTON_GROUP|SWITCH|PROVIDER_SELECTION|...>",
["Props"] = {...},
},
...
} }
} }
``` ```
---
### `LAYOUT_PAPER` reference ### `LAYOUT_PAPER` reference
- Use `Type = "LAYOUT_PAPER"` to render a MudBlazor paper container. - Use `Type = "LAYOUT_PAPER"` to render a MudBlazor paper container.
@ -369,9 +506,17 @@ Example:
["Elevation"] = 2, ["Elevation"] = 2,
["Width"] = "100%", ["Width"] = "100%",
["IsOutlined"] = true ["IsOutlined"] = true
},
["Children"] = {
{
["Type"] = "<TEXT_AREA|BUTTON|BUTTON_GROUP|SWITCH|PROVIDER_SELECTION|...>",
["Props"] = {...},
},
...
} }
} }
``` ```
---
### `LAYOUT_STACK` reference ### `LAYOUT_STACK` reference
- Use `Type = "LAYOUT_STACK"` to render a MudBlazor stack layout. - Use `Type = "LAYOUT_STACK"` to render a MudBlazor stack layout.
@ -403,94 +548,7 @@ Example:
} }
``` ```
### `SWITCH` reference ## Useful Functions
- Use `Type = "SWITCH"` to render a boolean toggle.
- Required props:
- `Name`: unique state key used in prompt assembly and `BuildPrompt(input.fields)`.
- `Label`: visible label for the switch field.
- `Value`: initial boolean state (`true` or `false`).
- Optional props:
- `Disabled`: defaults to `false`; disables user interaction while still allowing the value to be included in prompt assembly.
- `UserPrompt`: prompt context text for this field.
- `LabelOn`: text shown when the switch value is `true`.
- `LabelOff`: text shown when the switch value is `false`.
- `LabelPlacement`: one of `Bottom`, `End`, `Left`, `Right`, `Start`, `Top`; omitted values follow the renderer default.
- `Icon`: MudBlazor icon identifier string displayed inside the switch thumb.
- `IconColor`: one of the MudBlazor `Color` enum names such as `Primary`, `Secondary`, `Warning`; omitted values default to `Inherit`.
- `CheckedColor`: color used when the switch state is `true`; omitted values default to `Inherit`.
- `UncheckedColor`: color used when the switch state is `false`; omitted values default to `Inherit`.
- `Class`, `Style`: forwarded to the rendered component for layout/styling.
-
Example:
```lua
{
["Type"] = "SWITCH",
["Props"] = {
["Name"] = "IncludeSummary",
["Label"] = "Include summary",
["Value"] = true,
["Disabled"] = false,
["UserPrompt"] = "Decide whether the final answer should include a short summary.",
["LabelOn"] = "Summary enabled",
["LabelOff"] = "Summary disabled",
["LabelPlacement"] = "End",
["Icon"] = "Icons.Material.Filled.Summarize",
["IconColor"] = "Primary",
["CheckedColor"] = "Success",
["UncheckedColor"] = "Default",
["Class"] = "mb-6",
}
}
```
### `COLOR_PICKER` reference
- Use `Type = "COLOR_PICKER"` to render a MudBlazor color picker.
- Required props:
- `Name`: unique state key used in prompt assembly and `BuildPrompt(input.fields)`.
- `Label`: visible field label.
- Optional props:
- `Placeholder`: default color hex string (e.g. `#FF10FF`) or initial hint text.
- `ShowAlpha`: defaults to `true`; enables alpha channel editing.
- `ShowToolbar`: defaults to `true`; shows picker/grid/palette toolbar.
- `ShowModeSwitch`: defaults to `true`; allows switching between HEX/RGB(A)/HSL modes.
- `PickerVariant`: one of `DIALOG`, `INLINE`, `STATIC`; invalid or omitted values fall back to `STATIC`.
- `UserPrompt`: prompt context text for the selected color.
- `Class`, `Style`: forwarded to the rendered component for layout/styling.
Example:
```lua
{
["Type"] = "COLOR_PICKER",
["Props"] = {
["Name"] = "accentColor",
["Label"] = "Accent color",
["Placeholder"] = "#FFAA00",
["ShowAlpha"] = false,
["ShowToolbar"] = true,
["ShowModeSwitch"] = true,
["PickerVariant"] = "STATIC",
["UserPrompt"] = "Use this as the accent color for the generated design."
}
}
```
#### Using `profile` inside BuildPrompt
Profiles are optional user context (e.g., "NeedToKnow" and "Actions"). You can inject this directly into the user prompt if you want the LLM to always see it.
Example:
```lua
ASSISTANT.BuildPrompt = function(input)
local parts = {}
if input.profile and input.profile.NeedToKnow ~= "" then
table.insert(parts, "User context:")
table.insert(parts, input.profile.NeedToKnow)
table.insert(parts, "")
end
table.insert(parts, input.fields.Main or "")
return table.concat(parts, "\n")
end
```
### Included lua libraries ### Included lua libraries
- [Basic Functions Library](https://www.lua.org/manual/5.2/manual.html#6.1) - [Basic Functions Library](https://www.lua.org/manual/5.2/manual.html#6.1)
- [Coroutine Manipulation Library](https://www.lua.org/manual/5.2/manual.html#6.2) - [Coroutine Manipulation Library](https://www.lua.org/manual/5.2/manual.html#6.2)
@ -498,8 +556,9 @@ end
- [Table Manipulation Library](https://www.lua.org/manual/5.2/manual.html#6.5) - [Table Manipulation Library](https://www.lua.org/manual/5.2/manual.html#6.5)
- [Mathematical Functions Library](https://www.lua.org/manual/5.2/manual.html#6.6) - [Mathematical Functions Library](https://www.lua.org/manual/5.2/manual.html#6.6)
- [Bitwise Operations Library](https://www.lua.org/manual/5.2/manual.html#6.7) - [Bitwise Operations Library](https://www.lua.org/manual/5.2/manual.html#6.7)
---
### Logging helpers (assistant plugins only) ### Logging helpers
The assistant runtime exposes basic logging helpers to Lua. Use them to debug custom prompt building. The assistant runtime exposes basic logging helpers to Lua. Use them to debug custom prompt building.
- `LogDebug(message)` - `LogDebug(message)`
@ -507,13 +566,14 @@ The assistant runtime exposes basic logging helpers to Lua. Use them to debug cu
- `LogWarn(message)` - `LogWarn(message)`
- `LogError(message)` - `LogError(message)`
Example: #### Example:
```lua ```lua
ASSISTANT.BuildPrompt = function(input) ASSISTANT.BuildPrompt = function(input)
LogInfo("BuildPrompt called") LogInfo("BuildPrompt called")
return input.fields.Text or "" return input.fields.Text or ""
end end
``` ```
---
### Date/time helpers (assistant plugins only) ### Date/time helpers (assistant plugins only)
Use these when you need timestamps inside Lua. Use these when you need timestamps inside Lua.
@ -524,7 +584,7 @@ Use these when you need timestamps inside Lua.
- Members: `year`, `month`, `day`, `hour`, `minute`, `second`, `millisecond`, `formatted`. - Members: `year`, `month`, `day`, `hour`, `minute`, `second`, `millisecond`, `formatted`.
- `Timestamp()` returns a UTC timestamp in ISO-8601 format (`O` / round-trip), e.g. `2026-03-02T21:15:30.1234567Z`. - `Timestamp()` returns a UTC timestamp in ISO-8601 format (`O` / round-trip), e.g. `2026-03-02T21:15:30.1234567Z`.
Example: #### Example:
```lua ```lua
local dt = DateTime("yyyy-MM-dd HH:mm:ss") local dt = DateTime("yyyy-MM-dd HH:mm:ss")
LogInfo(dt.formatted) LogInfo(dt.formatted)
@ -532,46 +592,15 @@ LogInfo(Timestamp())
LogInfo(dt.day .. "." .. dt.month .. "." .. dt.year) LogInfo(dt.day .. "." .. dt.month .. "." .. dt.year)
``` ```
#### Example: simple custom prompt ## General Tips
```lua
ASSISTANT.BuildPrompt = function(input)
local f = input.fields
return "Topic: " .. (f.Topic or "") .. "\nDetails:\n" .. (f.Details or "")
end
```
#### Example: structured prompt (similar to Coding assistant) 1. Give every component a _**unique**_ `Name`— it’s used to track state and treated like an Id.
```lua 2. Keep in mind that components and their properties are _**case-sensitive**_ (e.g. if you write `["Type"] = "heading"` instead of `["Type"] = "HEADING"` the component will not be registered). Always copy-paste the component from the `plugin.lua` manifest to avoid this.
ASSISTANT.BuildPrompt = function(input)
local f = input.fields
local parts = {}
if (f.Code or "") ~= "" then
table.insert(parts, "I have the following code:")
table.insert(parts, "```")
table.insert(parts, f.Code)
table.insert(parts, "```")
table.insert(parts, "")
end
if (f.CompilerMessages or "") ~= "" then
table.insert(parts, "I have the following compiler messages:")
table.insert(parts, "```")
table.insert(parts, f.CompilerMessages)
table.insert(parts, "```")
table.insert(parts, "")
end
table.insert(parts, "My questions are:")
table.insert(parts, f.Questions or "")
return table.concat(parts, "\n")
end
```
# Tips
1. Give every component a unique `Name`— it’s used to track state.
2. Keep in mind that components and their properties are case-sensitive (e.g. if you write `["Type"] = "heading"` instead of `["Type"] = "HEADING"` the component will not be registered). Always copy-paste the component from the `plugin.lua` manifest to avoid this.
3. When you expect default content (e.g., a textarea with instructions), keep `UserPrompt` but also set `PrefillText` so the user starts with a hint. 3. When you expect default content (e.g., a textarea with instructions), keep `UserPrompt` but also set `PrefillText` so the user starts with a hint.
4. If you need extra explanatory text (before or after the interactive controls), use `TEXT` or `HEADING` components. 4. If you need extra explanatory text (before or after the interactive controls), use `TEXT` or `HEADING` components.
5. Keep `Preselect`/`PreselectContentCleanerAgent` flags in `WEB_CONTENT_READER` to simplify the initial UI for the user. 5. Keep `Preselect`/`PreselectContentCleanerAgent` flags in `WEB_CONTENT_READER` to simplify the initial UI for the user.
## Useful Resources
- [plugin.lua - Lua Manifest](https://github.com/MindWorkAI/AI-Studio/tree/main/app/MindWork%20AI%20Studio/Plugins/assistants/plugin.lua)
- [Lua 5.2 Reference Manual](https://www.lua.org/manual/5.2/manual.html)
- [MudBlazor Documentation](https://www.mudblazor.com/docs/overview)