feat: publish HoloLake model-native living system source

product-source/hololake-platform/src/lib/aiBrowserObservation.ts

@@ -0,0 +1,87 @@
+import type { AiAgentMessage } from './aiAgentConversation'
+
+interface BrowserNodePreview {
+  nodeId: string
+  text: string
+}
+
+export interface BrowserObservation {
+  documentId?: string
+  url: string
+  totalCharacters?: number
+  totalNodes?: number
+  nodes: BrowserNodePreview[]
+  status: 'pending' | 'done' | 'error'
+}
+
+function parseObject(value?: string): Record<string, unknown> | null {
+  if (!value) return null
+  try {
+    const parsed: unknown = JSON.parse(value)
+    return typeof parsed === 'object' && parsed !== null && !Array.isArray(parsed)
+      ? parsed as Record<string, unknown>
+      : null
+  } catch {
+    return null
+  }
+}
+
+function stringField(object: Record<string, unknown> | null, ...keys: string[]): string | undefined {
+  for (const key of keys) {
+    const value = object?.[key]
+    if (typeof value === 'string' && value.trim()) return value.trim()
+  }
+  return undefined
+}
+
+function numberField(object: Record<string, unknown> | null, ...keys: string[]): number | undefined {
+  for (const key of keys) {
+    const value = object?.[key]
+    if (typeof value === 'number' && Number.isFinite(value)) return value
+  }
+  return undefined
+}
+
+function browserAction(action: AiAgentMessage['actions'][number]): boolean {
+  if (action.tool === 'read_web_page' || action.tool === 'read_web_page_nodes') return true
+  const input = parseObject(action.input)
+  if (action.tool !== 'magic_brush') return false
+  const steps = input?.steps
+  return Array.isArray(steps) && steps.some((step) => (
+    typeof step === 'object'
+    && step !== null
+    && ['read_web_page', 'read_web_page_nodes'].includes(String((step as Record<string, unknown>).tool))
+  ))
+}
+
+function previewNodes(output: Record<string, unknown> | null): BrowserNodePreview[] {
+  const raw = output?.node_previews ?? output?.nodes
+  if (!Array.isArray(raw)) return []
+  return raw.flatMap((item) => {
+    if (typeof item !== 'object' || item === null) return []
+    const node = item as Record<string, unknown>
+    const nodeId = stringField(node, 'node_id', 'nodeId')
+    const text = stringField(node, 'text')
+    return nodeId && text ? [{ nodeId, text }] : []
+  })
+}
+
+export function latestBrowserObservation(messages: AiAgentMessage[]): BrowserObservation | null {
+  const actions = messages.flatMap((message) => message.actions).filter(browserAction)
+  const action = actions.at(-1)
+  if (!action) return null
+
+  const input = parseObject(action.input)
+  const output = parseObject(action.output)
+  const url = stringField(output, 'url') ?? stringField(input, 'url')
+  if (!url) return null
+
+  return {
+    documentId: stringField(output, 'document_id', 'documentId'),
+    url,
+    totalCharacters: numberField(output, 'total_characters', 'totalCharacters'),
+    totalNodes: numberField(output, 'total_nodes', 'totalNodes'),
+    nodes: previewNodes(output),
+    status: action.status,
+  }
+}