diff --git a/config/scripts/check-runtime-electron-ratchet.mjs b/config/scripts/check-runtime-electron-ratchet.mjs
index 19810c2f402..3e04b8c46f2 100644
--- a/config/scripts/check-runtime-electron-ratchet.mjs
+++ b/config/scripts/check-runtime-electron-ratchet.mjs
@@ -48,9 +48,9 @@ export const STRUCTURED_CHAT_LANES = [
   { directory: ['src', 'main', 'codex'] },
   { directory: ['src', 'shared'] },
   { directory: ['src', 'main', 'runtime'], basename: /^(?:structured-|agent-session-)/ },
-  // Allowed absent until they land; every other lane throws if missing, so a rename can't empty it.
-  { directory: ['src', 'main', 'acp'], mayBeAbsent: true },
-  { directory: ['src', 'main', 'provider-process'], mayBeAbsent: true }
+  { directory: ['src', 'main', 'provider-process'] },
+  // Allowed absent until it lands; every other lane throws if missing, so a rename can't empty it.
+  { directory: ['src', 'main', 'acp'], mayBeAbsent: true }
 ]
 
 export function collectStructuredChatEntryPoints(root = ROOT) {
diff --git a/config/scripts/check-runtime-electron-ratchet.test.mjs b/config/scripts/check-runtime-electron-ratchet.test.mjs
index 1f4f37c01a9..a8985f0c014 100644
--- a/config/scripts/check-runtime-electron-ratchet.test.mjs
+++ b/config/scripts/check-runtime-electron-ratchet.test.mjs
@@ -32,12 +32,13 @@ describe('structured chat coverage', () => {
     return root
   }
 
-  // Every lane that must exist; acp/ and provider-process/ may be absent until they land.
+  // Every lane that must exist; acp/ may be absent until it lands.
   const requiredLanes = {
     'src/main/native-chat/reader.ts': 'export {}',
     'src/main/claude/claude-session.ts': 'export {}',
     'src/main/codex/codex-session.ts': 'export {}',
     'src/main/runtime/structured-agent-session-host.ts': 'export {}',
+    'src/main/provider-process/provider-process-teardown.ts': 'export {}',
     'src/shared/agent-session-record.ts': 'export {}'
   }
 
@@ -89,7 +90,7 @@ describe('structured chat coverage', () => {
         Object.entries(requiredLanes).filter(([file]) => !file.startsWith(`${lane}/`))
       )
       expect(() => collectStructuredChatEntryPoints(fixture(without))).toThrow(`${lane} is missing`)
-      expect(collectStructuredChatEntryPoints(fixture(requiredLanes))).toHaveLength(5)
+      expect(collectStructuredChatEntryPoints(fixture(requiredLanes))).toHaveLength(6)
     }
   )
 
@@ -128,7 +129,7 @@ describe('the default entry points', () => {
     }
   })
 
-  // Retires the temporary flag: the PR that adds acp/ or provider-process/ must make it required.
+  // Retires the temporary flag: the PR that adds acp/ must make it required.
   it('lets only directories that have not landed yet be absent', () => {
     for (const lane of STRUCTURED_CHAT_LANES.filter((candidate) => candidate.mayBeAbsent)) {
       expect(