diff --git a/packages/media_center/seed/scripts/lua/document_converter.lua b/packages/media_center/seed/scripts/lua/document_converter.lua
new file mode 100644
index 000000000..22b2ddbe3
--- /dev/null
+++ b/packages/media_center/seed/scripts/lua/document_converter.lua
@@ -0,0 +1,151 @@
+--[[
+  Document conversion functions
+]]
+
+---@class DocumentConverterModule
+local M = {}
+
+local config = {
+  base_url = "http://localhost:8090"
+}
+
+---Configure the converter
+---@param opts table Configuration options
+function M.configure(opts)
+  if opts.base_url then config.base_url = opts.base_url end
+end
+
+---Generate output path from input path
+---@param input_path string Input file path
+---@param output_format string Output format extension
+---@return string output_path Generated output path
+local function generate_output_path(input_path, output_format)
+  -- Remove extension and add new one
+  local base = input_path:match("(.+)%.[^%.]+$") or input_path
+  return base .. "." .. output_format
+end
+
+---Convert a document
+---@param input_path string Path to input file
+---@param output_format DocumentFormat Target format
+---@param options? DocumentConvertOptions Conversion options
+---@return DocumentJob|nil job Job info if successful
+---@return string? error Error message if failed
+function M.convert(input_path, output_format, options)
+  if not input_path or input_path == "" then
+    return nil, "Input path is required"
+  end
+
+  if not output_format or output_format == "" then
+    return nil, "Output format is required"
+  end
+
+  options = options or {}
+
+  local output_path = options.output_path or generate_output_path(input_path, output_format)
+
+  -- Build request body
+  local body = {
+    type = "document_convert",
+    params = {
+      input_path = input_path,
+      output_path = output_path,
+      output_format = output_format,
+      variables = {}
+    },
+    notify_user = true
+  }
+
+  -- Add options as variables
+  if options.toc then
+    body.params.variables.toc = "true"
+  end
+  if options.template then
+    body.params.template_path = options.template
+  end
+  if options.title then
+    body.params.variables.title = options.title
+  end
+  if options.author then
+    body.params.variables.author = options.author
+  end
+  if options.date then
+    body.params.variables.date = options.date
+  end
+  if options.paper_size then
+    body.params.variables.papersize = options.paper_size
+  end
+  if options.margin then
+    body.params.variables["geometry:margin"] = options.margin
+  end
+
+  -- HTTP POST /api/jobs would go here
+  -- Return mock response for now
+  return {
+    id = "doc_" .. tostring(os.time()),
+    status = "pending",
+    progress = 0
+  }
+end
+
+---Convert Markdown to PDF
+---@param input_path string Path to markdown file
+---@param output_path? string Path for PDF output (auto-generated if nil)
+---@param options? DocumentConvertOptions Conversion options
+---@return DocumentJob|nil job Job info if successful
+---@return string? error Error message if failed
+function M.markdown_to_pdf(input_path, output_path, options)
+  options = options or {}
+  options.output_path = output_path
+  return M.convert(input_path, "pdf", options)
+end
+
+---Convert Markdown to HTML
+---@param input_path string Path to markdown file
+---@param output_path? string Path for HTML output (auto-generated if nil)
+---@param options? DocumentConvertOptions Conversion options
+---@return DocumentJob|nil job Job info if successful
+---@return string? error Error message if failed
+function M.markdown_to_html(input_path, output_path, options)
+  options = options or {}
+  options.output_path = output_path
+  return M.convert(input_path, "html", options)
+end
+
+---Convert Markdown to DOCX
+---@param input_path string Path to markdown file
+---@param output_path? string Path for DOCX output (auto-generated if nil)
+---@param options? DocumentConvertOptions Conversion options
+---@return DocumentJob|nil job Job info if successful
+---@return string? error Error message if failed
+function M.markdown_to_docx(input_path, output_path, options)
+  options = options or {}
+  options.output_path = output_path
+  return M.convert(input_path, "docx", options)
+end
+
+---Convert HTML to PDF
+---@param input_path string Path to HTML file
+---@param output_path? string Path for PDF output
+---@param options? DocumentConvertOptions Conversion options
+---@return DocumentJob|nil job Job info if successful
+---@return string? error Error message if failed
+function M.html_to_pdf(input_path, output_path, options)
+  options = options or {}
+  options.output_path = output_path
+  return M.convert(input_path, "pdf", options)
+end
+
+---Convert DOCX to PDF
+---@param input_path string Path to DOCX file
+---@param output_path? string Path for PDF output
+---@param options? DocumentConvertOptions Conversion options
+---@return DocumentJob|nil job Job info if successful
+---@return string? error Error message if failed
+function M.docx_to_pdf(input_path, output_path, options)
+  options = options or {}
+  options.output_path = output_path
+  return M.convert(input_path, "pdf", options)
+end
+
+return M
diff --git a/packages/media_center/seed/scripts/lua/document_helpers.lua b/packages/media_center/seed/scripts/lua/document_helpers.lua
index 1bef77f5b..9e6dcb167 100644
--- a/packages/media_center/seed/scripts/lua/document_helpers.lua
+++ b/packages/media_center/seed/scripts/lua/document_helpers.lua
@@ -23,255 +23,28 @@
 ---@field markdown_to_html fun(input_path: string, output_path?: string, options?: DocumentConvertOptions): DocumentJob|nil, string?
 ---@field markdown_to_docx fun(input_path: string, output_path?: string, options?: DocumentConvertOptions): DocumentJob|nil, string?
 ---@field get_supported_formats fun(): table
+
+-- Unified document helpers module - combines format definitions and conversion
+local formats = require("lua.document_formats")
+local converter = require("lua.document_converter")
+
 local M = {}
 
-local config = {
-  base_url = "http://localhost:8090"
-}
+-- Re-export format functions
+M.get_input_formats = formats.get_input_formats
+M.get_output_formats = formats.get_output_formats
+M.get_supported_formats = formats.get_supported_formats
+M.supports_conversion = formats.supports_conversion
+M.get_format_name = formats.get_format_name
+M.get_format_icon = formats.get_format_icon
 
----Configure the helper
----@param opts table Configuration options
-function M.configure(opts)
-  if opts.base_url then config.base_url = opts.base_url end
-end
-
----Get supported input formats
----@return string[] formats List of input formats
-function M.get_input_formats()
-  return {
-    "md", "markdown", "gfm", "commonmark",
-    "html", "htm",
-    "tex", "latex",
-    "docx", "odt",
-    "rst", "org", "txt",
-    "json", "yaml"
-  }
-end
-
----Get supported output formats
----@return string[] formats List of output formats
-function M.get_output_formats()
-  return {
-    "pdf", "html", "html5",
-    "docx", "odt", "rtf",
-    "epub", "epub3",
-    "latex", "beamer",
-    "markdown", "gfm",
-    "plain", "json"
-  }
-end
-
----Get supported format conversions as a table
----@return table formats { input = {...}, output = {...} }
-function M.get_supported_formats()
-  return {
-    input = M.get_input_formats(),
-    output = M.get_output_formats()
-  }
-end
-
----Check if a conversion is supported
----@param from_format DocumentFormat Input format
----@param to_format DocumentFormat Output format
----@return boolean supported Whether conversion is supported
-function M.supports_conversion(from_format, to_format)
-  local input_formats = M.get_input_formats()
-  local output_formats = M.get_output_formats()
-  
-  local input_ok = false
-  for _, fmt in ipairs(input_formats) do
-    if fmt == from_format then
-      input_ok = true
-      break
-    end
-  end
-  
-  local output_ok = false
-  for _, fmt in ipairs(output_formats) do
-    if fmt == to_format then
-      output_ok = true
-      break
-    end
-  end
-  
-  return input_ok and output_ok
-end
-
----Generate output path from input path
----@param input_path string Input file path
----@param output_format string Output format extension
----@return string output_path Generated output path
-local function generate_output_path(input_path, output_format)
-  -- Remove extension and add new one
-  local base = input_path:match("(.+)%.[^%.]+$") or input_path
-  return base .. "." .. output_format
-end
-
----Convert a document
----@param input_path string Path to input file
----@param output_format DocumentFormat Target format
----@param options? DocumentConvertOptions Conversion options
----@return DocumentJob|nil job Job info if successful
----@return string? error Error message if failed
-function M.convert(input_path, output_format, options)
-  if not input_path or input_path == "" then
-    return nil, "Input path is required"
-  end
-  
-  if not output_format or output_format == "" then
-    return nil, "Output format is required"
-  end
-  
-  options = options or {}
-  
-  local output_path = options.output_path or generate_output_path(input_path, output_format)
-  
-  -- Build request body
-  local body = {
-    type = "document_convert",
-    params = {
-      input_path = input_path,
-      output_path = output_path,
-      output_format = output_format,
-      variables = {}
-    },
-    notify_user = true
-  }
-  
-  -- Add options as variables
-  if options.toc then
-    body.params.variables.toc = "true"
-  end
-  if options.template then
-    body.params.template_path = options.template
-  end
-  if options.title then
-    body.params.variables.title = options.title
-  end
-  if options.author then
-    body.params.variables.author = options.author
-  end
-  if options.date then
-    body.params.variables.date = options.date
-  end
-  if options.paper_size then
-    body.params.variables.papersize = options.paper_size
-  end
-  if options.margin then
-    body.params.variables["geometry:margin"] = options.margin
-  end
-  
-  -- HTTP POST /api/jobs would go here
-  -- Return mock response for now
-  return {
-    id = "doc_" .. tostring(os.time()),
-    status = "pending",
-    progress = 0
-  }
-end
-
----Convert Markdown to PDF
----@param input_path string Path to markdown file
----@param output_path? string Path for PDF output (auto-generated if nil)
----@param options? DocumentConvertOptions Conversion options
----@return DocumentJob|nil job Job info if successful
----@return string? error Error message if failed
-function M.markdown_to_pdf(input_path, output_path, options)
-  options = options or {}
-  options.output_path = output_path
-  return M.convert(input_path, "pdf", options)
-end
-
----Convert Markdown to HTML
----@param input_path string Path to markdown file
----@param output_path? string Path for HTML output (auto-generated if nil)
----@param options? DocumentConvertOptions Conversion options
----@return DocumentJob|nil job Job info if successful
----@return string? error Error message if failed
-function M.markdown_to_html(input_path, output_path, options)
-  options = options or {}
-  options.output_path = output_path
-  return M.convert(input_path, "html", options)
-end
-
----Convert Markdown to DOCX
----@param input_path string Path to markdown file
----@param output_path? string Path for DOCX output (auto-generated if nil)
----@param options? DocumentConvertOptions Conversion options
----@return DocumentJob|nil job Job info if successful
----@return string? error Error message if failed
-function M.markdown_to_docx(input_path, output_path, options)
-  options = options or {}
-  options.output_path = output_path
-  return M.convert(input_path, "docx", options)
-end
-
----Convert HTML to PDF
----@param input_path string Path to HTML file
----@param output_path? string Path for PDF output
----@param options? DocumentConvertOptions Conversion options
----@return DocumentJob|nil job Job info if successful
----@return string? error Error message if failed
-function M.html_to_pdf(input_path, output_path, options)
-  options = options or {}
-  options.output_path = output_path
-  return M.convert(input_path, "pdf", options)
-end
-
----Convert DOCX to PDF
----@param input_path string Path to DOCX file
----@param output_path? string Path for PDF output
----@param options? DocumentConvertOptions Conversion options
----@return DocumentJob|nil job Job info if successful
----@return string? error Error message if failed
-function M.docx_to_pdf(input_path, output_path, options)
-  options = options or {}
-  options.output_path = output_path
-  return M.convert(input_path, "pdf", options)
-end
-
----Get format display name
----@param format string Format code
----@return string name Display name
-function M.get_format_name(format)
-  local names = {
-    md = "Markdown",
-    markdown = "Markdown",
-    gfm = "GitHub Flavored Markdown",
-    html = "HTML",
-    htm = "HTML",
-    pdf = "PDF",
-    docx = "Word Document",
-    odt = "OpenDocument Text",
-    rtf = "Rich Text Format",
-    epub = "EPUB",
-    latex = "LaTeX",
-    tex = "LaTeX",
-    rst = "reStructuredText",
-    org = "Org-mode",
-    txt = "Plain Text",
-    json = "JSON",
-    yaml = "YAML"
-  }
-  return names[format] or format:upper()
-end
-
----Get format icon name (for UI)
----@param format string Format code
----@return string icon MUI icon name
-function M.get_format_icon(format)
-  local icons = {
-    md = "Description",
-    markdown = "Description",
-    html = "Code",
-    pdf = "PictureAsPdf",
-    docx = "Article",
-    odt = "Article",
-    epub = "MenuBook",
-    latex = "Functions",
-    tex = "Functions"
-  }
-  return icons[format] or "InsertDriveFile"
-end
+-- Re-export converter functions
+M.configure = converter.configure
+M.convert = converter.convert
+M.markdown_to_pdf = converter.markdown_to_pdf
+M.markdown_to_html = converter.markdown_to_html
+M.markdown_to_docx = converter.markdown_to_docx
+M.html_to_pdf = converter.html_to_pdf
+M.docx_to_pdf = converter.docx_to_pdf
 
 return M
diff --git a/packages/stream_cast/seed/scripts/scenes.lua b/packages/stream_cast/seed/scripts/scenes.lua
index 1a720539d..4aff8a2cb 100644
--- a/packages/stream_cast/seed/scripts/scenes.lua
+++ b/packages/stream_cast/seed/scripts/scenes.lua
@@ -1,6 +1,12 @@
 --- Scene management facade
 --- Re-exports single-function modules for backward compatibility
+---@module scenes
 
+---@class ScenesModule
+---@field render_scene fun(scene: table): string Render single scene
+---@field render_list fun(scenes: table[]): string Render scene list
+---@field switch fun(scene_id: string): boolean Switch to scene
+---@field create fun(scene: table): string Create new scene
 local M = {}
 
 M.render_scene = require("render_scene")
diff --git a/packages/stream_cast/seed/scripts/schedule.lua b/packages/stream_cast/seed/scripts/schedule.lua
index 334b977ec..f18c05dbc 100644
--- a/packages/stream_cast/seed/scripts/schedule.lua
+++ b/packages/stream_cast/seed/scripts/schedule.lua
@@ -1,6 +1,12 @@
 --- Stream scheduling facade
 --- Re-exports single-function modules for backward compatibility
+---@module schedule
 
+---@class ScheduleModule
+---@field render_item fun(item: table): string Render schedule item
+---@field render_list fun(items: table[]): string Render schedule list
+---@field create fun(stream: table): string Schedule new stream
+---@field cancel fun(stream_id: string): boolean Cancel scheduled stream
 local M = {}
 
 M.render_item = require("render_schedule_item")
diff --git a/packages/ui_level6/seed/scripts/layout/init.lua b/packages/ui_level6/seed/scripts/layout/init.lua
index 395651426..380569394 100644
--- a/packages/ui_level6/seed/scripts/layout/init.lua
+++ b/packages/ui_level6/seed/scripts/layout/init.lua
@@ -1,6 +1,11 @@
--- Level 6 layout module facade
--- Re-exports all supergod layout functions for backward compatibility
+--- Level 6 layout module facade
+--- Re-exports all supergod layout functions for backward compatibility
+---@module layout.init
 
+---@class Level6LayoutModule
+---@field supergod_sidebar fun(): string Render supergod sidebar
+---@field supergod_toolbar fun(): string Render supergod toolbar
+---@field supergod_content fun(content: string): string Render supergod content area
 local M = {}
 
 M.supergod_sidebar = require("layout.supergod_sidebar")