feat: Human Input Node (#32060)

The frontend and backend implementation for the human input node.

Co-authored-by: twwu <twwu@dify.ai>
Co-authored-by: JzoNg <jzongcode@gmail.com>
Co-authored-by: yyh <92089059+lyzno1@users.noreply.github.com>
Co-authored-by: zhsama <torvalds@linux.do>

web/models/log.ts

@@ -93,7 +93,7 @@ export type MessageContent = {
 
 export type CompletionConversationGeneralDetail = {
   id: string
-  status: 'normal' | 'finished'
+  status: 'normal' | 'finished' | 'paused'
   from_source: 'api' | 'console'
   from_end_user_id: string
   from_end_user_session_id: string
@@ -367,3 +367,22 @@ export type AgentLogDetailResponse = {
   iterations: AgentIteration[]
   files: AgentLogFile[]
 }
+
+export type PauseType = {
+  type: 'human_input'
+  form_id: string
+  backstage_input_url: string
+} | {
+  type: 'breakpoint'
+}
+
+export type PauseDetail = {
+  node_id: string
+  node_title: string
+  pause_type: PauseType
+}
+
+export type WorkflowPausedDetailsResponse = {
+  paused_at: string
+  paused_nodes: PauseDetail[]
+}