fix: validate inline agent files and skills in the workflow checklist (#39137)

web/features/agent-v2/agent-composer/__tests__/store.spec.ts

@@ -46,6 +46,45 @@ describe('agent composer store conversions', () => {
     ])
   })
 
+  it('should preserve missing file and skill references without file ids in autosave config', () => {
+    const baseConfig = {
+      config_files: [
+        {
+          file_id: '',
+          file_kind: 'upload_file',
+          is_missing: true,
+          name: 'missing.pdf',
+        },
+      ],
+      config_skills: [
+        {
+          file_id: '',
+          file_kind: 'tool_file',
+          is_missing: true,
+          name: 'Missing Skill',
+        },
+      ],
+    } satisfies AgentSoulConfig
+    const formState = agentSoulConfigToFormState(baseConfig)
+
+    const autosaveConfig = formStateToAgentSoulConfig({ baseConfig, formState })
+
+    expect(autosaveConfig.config_files).toEqual([
+      expect.objectContaining({
+        file_id: '',
+        is_missing: true,
+        name: 'missing.pdf',
+      }),
+    ])
+    expect(autosaveConfig.config_skills).toEqual([
+      expect.objectContaining({
+        file_id: '',
+        is_missing: true,
+        name: 'Missing Skill',
+      }),
+    ])
+  })
+
   it('rebases draft baselines through the composer state action', () => {
     const store = createStore()
     const nextDraft = {

web/features/agent-v2/agent-composer/conversions.ts

@@ -452,7 +452,7 @@ const toConfigSkillConfigs = (
   return skills.flatMap((skill) => {
     const existing = existingByName.get(skill.name)
     const fileId = skill.fileId ?? existing?.file_id
-    if (!fileId) return []
+    if (!fileId && !skill.isMissing) return []
 
     return [
       {
@@ -463,6 +463,7 @@ const toConfigSkillConfigs = (
         size: skill.size ?? existing?.size,
         hash: skill.hash ?? existing?.hash,
         mime_type: skill.mimeType ?? existing?.mime_type,
+        ...(skill.isMissing ? { is_missing: true } : {}),
       },
     ]
   })
@@ -480,7 +481,7 @@ const toConfigFileConfigs = (
     const configName = file.configName ?? file.name
     const existing = existingByName.get(configName)
     const fileId = file.fileId ?? existing?.file_id
-    if (!fileId) return []
+    if (!fileId && !file.isMissing) return []
 
     return [
       {
@@ -490,6 +491,7 @@ const toConfigFileConfigs = (
         size: file.size ?? existing?.size,
         hash: file.hash ?? existing?.hash,
         mime_type: file.mimeType ?? existing?.mime_type,
+        ...(file.isMissing ? { is_missing: true } : {}),
       },
     ]
   })