diff --git a/apps/desktop/src/syncShellEnvironment.ts b/apps/desktop/src/syncShellEnvironment.ts
index 2181bea0c..921120ff3 100644
--- a/apps/desktop/src/syncShellEnvironment.ts
+++ b/apps/desktop/src/syncShellEnvironment.ts
@@ -7,7 +7,7 @@ export function syncShellEnvironment(
     readEnvironment?: ShellEnvironmentReader;
   } = {},
 ): void {
-  if ((options.platform ?? process.platform) !== "darwin") return;
+  if ((options.platform ?? process.platform) === "win32") return;
 
   try {
     const shell = env.SHELL ?? "/bin/zsh";
diff --git a/apps/server/src/main.ts b/apps/server/src/main.ts
index 0a33be0cb..d8b5fa0f5 100644
--- a/apps/server/src/main.ts
+++ b/apps/server/src/main.ts
@@ -18,6 +18,11 @@ import {
 } from "./config";
 import { fixPath, resolveStateDir } from "./os-jank";
 import { Open } from "./open";
+
+// Fix PATH eagerly before any Layer construction so that CLI probes
+// (e.g. ProviderHealthLive → `codex --version`) can find binaries
+// installed via version managers (nvm, bun, etc.).
+fixPath();
 import * as SqlitePersistence from "./persistence/Layers/Sqlite";
 import { makeServerProviderLayer, makeServerRuntimeServicesLayer } from "./serverLayers";
 import { ProjectionSnapshotQuery } from "./orchestration/Services/ProjectionSnapshotQuery";
diff --git a/apps/server/src/os-jank.ts b/apps/server/src/os-jank.ts
index 586aca6f7..4dbd21ff4 100644
--- a/apps/server/src/os-jank.ts
+++ b/apps/server/src/os-jank.ts
@@ -3,7 +3,7 @@ import { Effect, Path } from "effect";
 import { readPathFromLoginShell } from "@t3tools/shared/shell";
 
 export function fixPath(): void {
-  if (process.platform !== "darwin") return;
+  if (process.platform === "win32") return;
 
   try {
     const shell = process.env.SHELL ?? "/bin/zsh";