fix(config): invalidate active instance config cache on global config invalidation

packages/opencode/src/config/config.ts

@@ -1050,6 +1050,7 @@ const layer = Layer.effect(
 
     const invalidate = Effect.fn("Config.invalidate")(function* () {
       yield* invalidateGlobal
+      yield* InstanceState.invalidate(state).pipe(Effect.catchCause(() => Effect.void)) // kilocode_change
     })
 
     // kilocode_change start - add dispose option to skip Instance.disposeAll for permission-only changes

packages/opencode/test/kilocode/server/config-overlay.test.ts

@@ -774,7 +774,7 @@ describe("config overlay routes", () => {
       for (let i = 0; i < 40; i++) {
         await json(await req(project.path, `/session/${session.id}/sandbox`))
         const snap = await SandboxStore.read(project.path, session.id)
-        if (snap && snap.mode === "allow" && snap.version === 1) break
+        if (snap && snap.mode === "allow" && snap.writablePaths.includes(writable.path) && snap.version === 1) break
         await Bun.sleep(250)
       }