feat: add process binding designer

backend/boot/src/main/kotlin/com/all8ai/aioa/admin/configuration/ProcessConfigurationController.kt

@@ -36,7 +36,11 @@ class ProcessConfigurationController(
         audit.recordSuccess(a,"FORM_VERSION_PUBLISHED","FORM_DEFINITION","$key:$version",null,mapOf("version" to version))
     }
     @PostMapping("/bindings") @Transactional fun createBinding(@AuthenticationPrincipal jwt:Jwt,@RequestBody body:BindingCommand):Map<String,Any?> {
-        val a=actor(jwt);if(flowable.createProcessDefinitionQuery().processDefinitionKey(body.processDefinitionKey).latestVersion().singleResult()==null) throw ApiException(HttpStatus.BAD_REQUEST,"PROCESS_DEFINITION_NOT_FOUND","流程定义不存在")
+        val a=actor(jwt)
+        if(!isValidDurationRange(body.minDurationMinutes,body.maxDurationMinutes)) throw ApiException(HttpStatus.BAD_REQUEST,"PROCESS_BINDING_RANGE_INVALID","时长范围无效")
+        val publishedFormExists=dsl.fetchOne("SELECT EXISTS(SELECT 1 FROM form.definition WHERE tenant_id=? AND form_key=? AND version=? AND status='PUBLISHED') found",a.tenantId,body.formKey,body.formVersion)?.get("found",Boolean::class.java)==true
+        if(!publishedFormExists) throw ApiException(HttpStatus.BAD_REQUEST,"PUBLISHED_FORM_NOT_FOUND","已发布表单版本不存在")
+        if(flowable.createProcessDefinitionQuery().processDefinitionKey(body.processDefinitionKey).latestVersion().singleResult()==null) throw ApiException(HttpStatus.BAD_REQUEST,"PROCESS_DEFINITION_NOT_FOUND","流程定义不存在")
         val id=UuidV7.generate();dsl.execute("INSERT INTO workflow.process_binding(id,tenant_id,business_type,form_key,form_version,process_definition_key,leave_type,min_duration_minutes,max_duration_minutes,priority,status) VALUES(?,?,?,?,?,?,?,?,?,?,'ACTIVE')",id,a.tenantId,body.businessType,body.formKey,body.formVersion,body.processDefinitionKey,body.leaveType,body.minDurationMinutes,body.maxDurationMinutes,body.priority)
         audit.recordSuccess(a,"PROCESS_BINDING_CREATED","PROCESS_BINDING",id.toString(),null,mapOf("processDefinitionKey" to body.processDefinitionKey,"formVersion" to body.formVersion));return mapOf("id" to id,"status" to "ACTIVE")
     }
@@ -46,3 +50,4 @@ class ProcessConfigurationController(
 data class FormVersionCommand(val formKey:String,val dataSchema:Map<String,Any>,val uiSchema:Map<String,Any>)
 data class BindingCommand(val businessType:String,val formKey:String,val formVersion:Int,val processDefinitionKey:String,val leaveType:String?=null,val minDurationMinutes:Long?=null,val maxDurationMinutes:Long?=null,val priority:Int=100)
 data class BindingStatusCommand(val status:String)
+internal fun isValidDurationRange(min:Long?,max:Long?):Boolean = min?.let { it>=0 } != false && max?.let { it>=0 } != false && (min==null || max==null || min<=max)

backend/boot/src/test/kotlin/com/all8ai/aioa/admin/configuration/ProcessConfigurationValidationTest.kt

@@ -0,0 +1,19 @@
+package com.all8ai.aioa.admin.configuration
+
+import kotlin.test.Test
+import kotlin.test.assertFalse
+import kotlin.test.assertTrue
+
+class ProcessConfigurationValidationTest {
+    @Test fun `accepts open and ordered duration ranges`() {
+        assertTrue(isValidDurationRange(null,null))
+        assertTrue(isValidDurationRange(0,480))
+        assertTrue(isValidDurationRange(1440,null))
+    }
+
+    @Test fun `rejects negative or reversed duration ranges`() {
+        assertFalse(isValidDurationRange(-1,480))
+        assertFalse(isValidDurationRange(960,480))
+        assertFalse(isValidDurationRange(0,-1))
+    }
+}