diff --git a/packages/media_center/seed/scripts/db/operations.lua b/packages/media_center/seed/scripts/db/operations.lua
new file mode 100644
index 000000000..b48316d72
--- /dev/null
+++ b/packages/media_center/seed/scripts/db/operations.lua
@@ -0,0 +1,315 @@
+-- media_center/seed/scripts/db/operations.lua
+-- DBAL operations for MediaAsset and MediaJob entities
+-- @module media_center.db.operations
+
+local M = {}
+local json = require('json')
+
+---------------------------------------------------------------------------
+-- MEDIA ASSET OPERATIONS
+---------------------------------------------------------------------------
+
+---@class MediaAssetCreateParams
+---@field tenantId string
+---@field userId string
+---@field filename string
+---@field originalName string
+---@field mimeType string
+---@field size number
+---@field path string
+---@field thumbnailPath string|nil
+---@field width number|nil
+---@field height number|nil
+---@field duration number|nil
+---@field metadata table|nil
+
+---Create a new media asset
+---@param dbal table DBAL client instance
+---@param params MediaAssetCreateParams
+---@return table Created asset
+function M.createAsset(dbal, params)
+  return dbal:create('MediaAsset', {
+    tenantId = params.tenantId,
+    userId = params.userId,
+    filename = params.filename,
+    originalName = params.originalName,
+    mimeType = params.mimeType,
+    size = params.size,
+    path = params.path,
+    thumbnailPath = params.thumbnailPath,
+    width = params.width,
+    height = params.height,
+    duration = params.duration,
+    metadata = params.metadata and json.encode(params.metadata) or nil,
+    createdAt = os.time() * 1000,
+  })
+end
+
+---Get asset by ID
+---@param dbal table
+---@param assetId string
+---@return table|nil Asset
+function M.getAsset(dbal, assetId)
+  return dbal:read('MediaAsset', assetId)
+end
+
+---List assets for a user
+---@param dbal table
+---@param tenantId string
+---@param userId string|nil Filter by user
+---@param mimeType string|nil Filter by mime type prefix (e.g., "image/", "video/")
+---@param take number|nil
+---@param skip number|nil
+---@return table List result
+function M.listAssets(dbal, tenantId, userId, mimeType, take, skip)
+  local where = { tenantId = tenantId }
+  
+  if userId then
+    where.userId = userId
+  end
+  
+  local result = dbal:list('MediaAsset', {
+    where = where,
+    orderBy = { createdAt = 'desc' },
+    take = take or 50,
+    skip = skip or 0,
+  })
+  
+  -- Filter by mimeType prefix if specified
+  if mimeType and result.items then
+    local filtered = {}
+    for _, asset in ipairs(result.items) do
+      if asset.mimeType and asset.mimeType:sub(1, #mimeType) == mimeType then
+        table.insert(filtered, asset)
+      end
+    end
+    result.items = filtered
+  end
+  
+  return result
+end
+
+---List images only
+---@param dbal table
+---@param tenantId string
+---@param userId string|nil
+---@param take number|nil
+---@return table List result
+function M.listImages(dbal, tenantId, userId, take)
+  return M.listAssets(dbal, tenantId, userId, 'image/', take, 0)
+end
+
+---List videos only
+---@param dbal table
+---@param tenantId string
+---@param userId string|nil
+---@param take number|nil
+---@return table List result
+function M.listVideos(dbal, tenantId, userId, take)
+  return M.listAssets(dbal, tenantId, userId, 'video/', take, 0)
+end
+
+---List audio only
+---@param dbal table
+---@param tenantId string
+---@param userId string|nil
+---@param take number|nil
+---@return table List result
+function M.listAudio(dbal, tenantId, userId, take)
+  return M.listAssets(dbal, tenantId, userId, 'audio/', take, 0)
+end
+
+---Update asset metadata
+---@param dbal table
+---@param assetId string
+---@param metadata table
+---@return table Updated asset
+function M.updateMetadata(dbal, assetId, metadata)
+  return dbal:update('MediaAsset', assetId, {
+    metadata = json.encode(metadata),
+  })
+end
+
+---Delete asset
+---@param dbal table
+---@param assetId string
+---@return boolean Success
+function M.deleteAsset(dbal, assetId)
+  return dbal:delete('MediaAsset', assetId)
+end
+
+---Get storage usage for a user
+---@param dbal table
+---@param tenantId string
+---@param userId string
+---@return number Total size in bytes
+function M.getUserStorageUsage(dbal, tenantId, userId)
+  local result = M.listAssets(dbal, tenantId, userId, nil, 10000, 0)
+  local total = 0
+  
+  for _, asset in ipairs(result.items or {}) do
+    total = total + (asset.size or 0)
+  end
+  
+  return total
+end
+
+---------------------------------------------------------------------------
+-- MEDIA JOB OPERATIONS
+---------------------------------------------------------------------------
+
+---@class MediaJobCreateParams
+---@field tenantId string
+---@field assetId string
+---@field type string transcode|thumbnail|resize|optimize|analyze
+---@field priority number|nil
+---@field inputPath string
+---@field outputPath string|nil
+---@field config table|nil
+
+---Create a new media job
+---@param dbal table
+---@param params MediaJobCreateParams
+---@return table Created job
+function M.createJob(dbal, params)
+  return dbal:create('MediaJob', {
+    tenantId = params.tenantId,
+    assetId = params.assetId,
+    type = params.type,
+    status = 'pending',
+    priority = params.priority or 5,
+    progress = 0,
+    inputPath = params.inputPath,
+    outputPath = params.outputPath,
+    config = params.config and json.encode(params.config) or nil,
+    createdAt = os.time() * 1000,
+  })
+end
+
+---Get job by ID
+---@param dbal table
+---@param jobId string
+---@return table|nil Job
+function M.getJob(dbal, jobId)
+  return dbal:read('MediaJob', jobId)
+end
+
+---List pending jobs
+---@param dbal table
+---@param tenantId string
+---@param take number|nil
+---@return table[] Jobs
+function M.listPendingJobs(dbal, tenantId, take)
+  local result = dbal:list('MediaJob', {
+    where = { tenantId = tenantId, status = 'pending' },
+    orderBy = { priority = 'desc', createdAt = 'asc' },
+    take = take or 20,
+  })
+  return result.items or {}
+end
+
+---Start a job (mark as processing)
+---@param dbal table
+---@param jobId string
+---@param workerId string|nil
+---@return table Updated job
+function M.startJob(dbal, jobId, workerId)
+  return dbal:update('MediaJob', jobId, {
+    status = 'processing',
+    startedAt = os.time() * 1000,
+    workerId = workerId,
+  })
+end
+
+---Update job progress
+---@param dbal table
+---@param jobId string
+---@param progress number 0-100
+---@return table Updated job
+function M.updateProgress(dbal, jobId, progress)
+  return dbal:update('MediaJob', jobId, {
+    progress = progress,
+  })
+end
+
+---Complete a job
+---@param dbal table
+---@param jobId string
+---@param outputPath string
+---@param result table|nil
+---@return table Updated job
+function M.completeJob(dbal, jobId, outputPath, result)
+  return dbal:update('MediaJob', jobId, {
+    status = 'completed',
+    progress = 100,
+    outputPath = outputPath,
+    result = result and json.encode(result) or nil,
+    completedAt = os.time() * 1000,
+  })
+end
+
+---Fail a job
+---@param dbal table
+---@param jobId string
+---@param error string
+---@return table Updated job
+function M.failJob(dbal, jobId, error)
+  return dbal:update('MediaJob', jobId, {
+    status = 'failed',
+    error = error,
+    completedAt = os.time() * 1000,
+  })
+end
+
+---Cancel a job
+---@param dbal table
+---@param jobId string
+---@return table Updated job
+function M.cancelJob(dbal, jobId)
+  return dbal:update('MediaJob', jobId, {
+    status = 'cancelled',
+    completedAt = os.time() * 1000,
+  })
+end
+
+---Queue a thumbnail generation job
+---@param dbal table
+---@param tenantId string
+---@param assetId string
+---@param inputPath string
+---@param outputPath string
+---@param options table|nil width, height, format
+---@return table Created job
+function M.queueThumbnail(dbal, tenantId, assetId, inputPath, outputPath, options)
+  return M.createJob(dbal, {
+    tenantId = tenantId,
+    assetId = assetId,
+    type = 'thumbnail',
+    priority = 7,
+    inputPath = inputPath,
+    outputPath = outputPath,
+    config = options or { width = 256, height = 256, format = 'webp' },
+  })
+end
+
+---Queue a transcode job
+---@param dbal table
+---@param tenantId string
+---@param assetId string
+---@param inputPath string
+---@param outputPath string
+---@param options table format, codec, quality, etc.
+---@return table Created job
+function M.queueTranscode(dbal, tenantId, assetId, inputPath, outputPath, options)
+  return M.createJob(dbal, {
+    tenantId = tenantId,
+    assetId = assetId,
+    type = 'transcode',
+    priority = 5,
+    inputPath = inputPath,
+    outputPath = outputPath,
+    config = options,
+  })
+end
+
+return M
diff --git a/packages/stream_cast/seed/scripts/db/operations.lua b/packages/stream_cast/seed/scripts/db/operations.lua
new file mode 100644
index 000000000..3c1636738
--- /dev/null
+++ b/packages/stream_cast/seed/scripts/db/operations.lua
@@ -0,0 +1,386 @@
+-- stream_cast/seed/scripts/db/operations.lua
+-- DBAL operations for StreamChannel, StreamSchedule, StreamScene entities
+-- @module stream_cast.db.operations
+
+local M = {}
+local json = require('json')
+
+---------------------------------------------------------------------------
+-- STREAM CHANNEL OPERATIONS
+---------------------------------------------------------------------------
+
+---@class StreamChannelCreateParams
+---@field tenantId string
+---@field name string
+---@field description string|nil
+---@field category string|nil
+---@field createdBy string
+
+---Create a new streaming channel
+---@param dbal table DBAL client instance
+---@param params StreamChannelCreateParams
+---@return table Created channel
+function M.createChannel(dbal, params)
+  local slug = M._slugify(params.name)
+  
+  -- Generate stream key
+  local streamKey = M._generateKey()
+  
+  return dbal:create('StreamChannel', {
+    tenantId = params.tenantId,
+    name = params.name,
+    slug = slug,
+    description = params.description,
+    category = params.category,
+    status = 'offline',
+    viewerCount = 0,
+    streamKey = streamKey,
+    chatEnabled = true,
+    isPublic = true,
+    isMature = false,
+    createdAt = os.time() * 1000,
+    createdBy = params.createdBy,
+  })
+end
+
+---Get channel by ID
+---@param dbal table
+---@param channelId string
+---@return table|nil Channel
+function M.getChannel(dbal, channelId)
+  return dbal:read('StreamChannel', channelId)
+end
+
+---Get channel by slug
+---@param dbal table
+---@param tenantId string
+---@param slug string
+---@return table|nil Channel
+function M.getChannelBySlug(dbal, tenantId, slug)
+  return dbal:findFirst('StreamChannel', {
+    where = { tenantId = tenantId, slug = slug },
+  })
+end
+
+---List all channels
+---@param dbal table
+---@param tenantId string
+---@param status string|nil Filter by status (live, offline, scheduled)
+---@param category string|nil Filter by category
+---@param take number|nil
+---@param skip number|nil
+---@return table List result
+function M.listChannels(dbal, tenantId, status, category, take, skip)
+  local where = { tenantId = tenantId, isPublic = true }
+  
+  if status then
+    where.status = status
+  end
+  
+  local result = dbal:list('StreamChannel', {
+    where = where,
+    orderBy = { viewerCount = 'desc' },
+    take = take or 20,
+    skip = skip or 0,
+  })
+  
+  -- Filter by category if specified
+  if category and result.items then
+    local filtered = {}
+    for _, ch in ipairs(result.items) do
+      if ch.category == category then
+        table.insert(filtered, ch)
+      end
+    end
+    result.items = filtered
+  end
+  
+  return result
+end
+
+---List live channels
+---@param dbal table
+---@param tenantId string
+---@param take number|nil
+---@return table[] Live channels
+function M.listLiveChannels(dbal, tenantId, take)
+  local result = M.listChannels(dbal, tenantId, 'live', nil, take, 0)
+  return result.items or {}
+end
+
+---Update channel info
+---@param dbal table
+---@param channelId string
+---@param updates table
+---@return table Updated channel
+function M.updateChannel(dbal, channelId, updates)
+  updates.updatedAt = os.time() * 1000
+  return dbal:update('StreamChannel', channelId, updates)
+end
+
+---Go live
+---@param dbal table
+---@param channelId string
+---@param rtmpUrl string
+---@param hlsUrl string|nil
+---@return table Updated channel
+function M.goLive(dbal, channelId, rtmpUrl, hlsUrl)
+  return M.updateChannel(dbal, channelId, {
+    status = 'live',
+    rtmpUrl = rtmpUrl,
+    hlsUrl = hlsUrl,
+    viewerCount = 0,
+  })
+end
+
+---Go offline
+---@param dbal table
+---@param channelId string
+---@return table Updated channel
+function M.goOffline(dbal, channelId)
+  return M.updateChannel(dbal, channelId, {
+    status = 'offline',
+    rtmpUrl = nil,
+    hlsUrl = nil,
+    viewerCount = 0,
+  })
+end
+
+---Update viewer count
+---@param dbal table
+---@param channelId string
+---@param count number
+---@return table Updated channel
+function M.updateViewerCount(dbal, channelId, count)
+  return dbal:update('StreamChannel', channelId, {
+    viewerCount = count,
+  })
+end
+
+---Increment viewer count
+---@param dbal table
+---@param channelId string
+function M.viewerJoined(dbal, channelId)
+  local channel = M.getChannel(dbal, channelId)
+  if channel then
+    M.updateViewerCount(dbal, channelId, (channel.viewerCount or 0) + 1)
+  end
+end
+
+---Decrement viewer count
+---@param dbal table
+---@param channelId string
+function M.viewerLeft(dbal, channelId)
+  local channel = M.getChannel(dbal, channelId)
+  if channel then
+    M.updateViewerCount(dbal, channelId, math.max(0, (channel.viewerCount or 1) - 1))
+  end
+end
+
+---Regenerate stream key
+---@param dbal table
+---@param channelId string
+---@return string New stream key
+function M.regenerateStreamKey(dbal, channelId)
+  local newKey = M._generateKey()
+  M.updateChannel(dbal, channelId, { streamKey = newKey })
+  return newKey
+end
+
+---------------------------------------------------------------------------
+-- STREAM SCHEDULE OPERATIONS
+---------------------------------------------------------------------------
+
+---@class StreamScheduleCreateParams
+---@field tenantId string
+---@field channelId string
+---@field title string
+---@field description string|nil
+---@field scheduledAt number Unix timestamp
+---@field duration number|nil Duration in minutes
+
+---Schedule a stream
+---@param dbal table
+---@param params StreamScheduleCreateParams
+---@return table Created schedule
+function M.scheduleStream(dbal, params)
+  return dbal:create('StreamSchedule', {
+    tenantId = params.tenantId,
+    channelId = params.channelId,
+    title = params.title,
+    description = params.description,
+    scheduledAt = params.scheduledAt * 1000,
+    duration = params.duration or 60,
+    status = 'scheduled',
+    createdAt = os.time() * 1000,
+  })
+end
+
+---List upcoming schedules
+---@param dbal table
+---@param channelId string
+---@param take number|nil
+---@return table[] Schedules
+function M.listUpcomingSchedules(dbal, channelId, take)
+  local now = os.time() * 1000
+  local result = dbal:list('StreamSchedule', {
+    where = { channelId = channelId },
+    orderBy = { scheduledAt = 'asc' },
+    take = take or 10,
+  })
+  
+  -- Filter to only future schedules
+  local upcoming = {}
+  for _, schedule in ipairs(result.items or {}) do
+    if schedule.scheduledAt > now and schedule.status == 'scheduled' then
+      table.insert(upcoming, schedule)
+    end
+  end
+  
+  return upcoming
+end
+
+---Mark schedule as started
+---@param dbal table
+---@param scheduleId string
+function M.startScheduledStream(dbal, scheduleId)
+  return dbal:update('StreamSchedule', scheduleId, {
+    status = 'live',
+    startedAt = os.time() * 1000,
+  })
+end
+
+---Mark schedule as completed
+---@param dbal table
+---@param scheduleId string
+function M.completeScheduledStream(dbal, scheduleId)
+  return dbal:update('StreamSchedule', scheduleId, {
+    status = 'completed',
+    endedAt = os.time() * 1000,
+  })
+end
+
+---Cancel a scheduled stream
+---@param dbal table
+---@param scheduleId string
+function M.cancelScheduledStream(dbal, scheduleId)
+  return dbal:update('StreamSchedule', scheduleId, {
+    status = 'cancelled',
+  })
+end
+
+---------------------------------------------------------------------------
+-- STREAM SCENE OPERATIONS
+---------------------------------------------------------------------------
+
+---@class StreamSceneCreateParams
+---@field tenantId string
+---@field channelId string
+---@field name string
+---@field layout table Scene layout configuration
+
+---Create a scene
+---@param dbal table
+---@param params StreamSceneCreateParams
+---@return table Created scene
+function M.createScene(dbal, params)
+  -- Get max sort order
+  local existing = dbal:list('StreamScene', {
+    where = { channelId = params.channelId },
+    orderBy = { sortOrder = 'desc' },
+    take = 1,
+  })
+  
+  local maxOrder = 0
+  if existing.items and #existing.items > 0 then
+    maxOrder = existing.items[1].sortOrder or 0
+  end
+  
+  return dbal:create('StreamScene', {
+    tenantId = params.tenantId,
+    channelId = params.channelId,
+    name = params.name,
+    layout = json.encode(params.layout),
+    isActive = false,
+    sortOrder = maxOrder + 1,
+    createdAt = os.time() * 1000,
+  })
+end
+
+---List scenes for a channel
+---@param dbal table
+---@param channelId string
+---@return table[] Scenes
+function M.listScenes(dbal, channelId)
+  local result = dbal:list('StreamScene', {
+    where = { channelId = channelId },
+    orderBy = { sortOrder = 'asc' },
+    take = 50,
+  })
+  return result.items or {}
+end
+
+---Activate a scene (deactivates others)
+---@param dbal table
+---@param channelId string
+---@param sceneId string
+function M.activateScene(dbal, channelId, sceneId)
+  -- Deactivate all scenes for this channel
+  local scenes = M.listScenes(dbal, channelId)
+  for _, scene in ipairs(scenes) do
+    if scene.isActive then
+      dbal:update('StreamScene', scene.id, { isActive = false })
+    end
+  end
+  
+  -- Activate the selected scene
+  dbal:update('StreamScene', sceneId, { isActive = true })
+end
+
+---Update scene layout
+---@param dbal table
+---@param sceneId string
+---@param layout table
+function M.updateSceneLayout(dbal, sceneId, layout)
+  return dbal:update('StreamScene', sceneId, {
+    layout = json.encode(layout),
+    updatedAt = os.time() * 1000,
+  })
+end
+
+---Delete a scene
+---@param dbal table
+---@param sceneId string
+function M.deleteScene(dbal, sceneId)
+  return dbal:delete('StreamScene', sceneId)
+end
+
+---------------------------------------------------------------------------
+-- UTILITY FUNCTIONS
+---------------------------------------------------------------------------
+
+---Generate URL-safe slug
+---@param text string
+---@return string
+function M._slugify(text)
+  local slug = text:lower()
+  slug = slug:gsub('[^%w%s-]', '')
+  slug = slug:gsub('%s+', '-')
+  slug = slug:gsub('-+', '-')
+  slug = slug:gsub('^-', ''):gsub('-$', '')
+  return slug:sub(1, 50)
+end
+
+---Generate random stream key
+---@return string
+function M._generateKey()
+  local chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
+  local key = 'sk_'
+  for _ = 1, 24 do
+    local idx = math.random(1, #chars)
+    key = key .. chars:sub(idx, idx)
+  end
+  return key
+end
+
+return M