fix(auth): share OS credentials across runtimes

.github/workflows/ci.yml

@@ -181,6 +181,10 @@ jobs:
         if: runner.os == 'Linux'
         uses: t1m0thyj/unlock-keyring@v1
 
+      - name: Install Secret Service CLI
+        if: runner.os == 'Linux'
+        run: sudo apt-get install -qq libsecret-tools
+
       - name: Run tests (extended timeout)
         timeout-minutes: 15
         # Unit tests must pass for fork PRs (no secrets). Keep API-dependent tests

build.js

@@ -125,12 +125,6 @@ if (content.startsWith("#!")) {
   content = content.slice(content.indexOf("\n") + 1);
 }
 
-// Patch secrets requirement back in for node build
-content = content.replace(
-  `(()=>{throw new Error("Cannot require module "+"bun");})().secrets`,
-  `globalThis.Bun.secrets`,
-);
-
 const withShebang = `#!/usr/bin/env node
 ${content}`;
 await Bun.write(outputPath, withShebang);

scripts/isolated-unit-tests.json

@@ -55,6 +55,11 @@
       "timeoutMs": 15000,
       "reason": "Mutates the settings singleton, keychain test overrides, HOME, and the secrets service name."
     },
+    {
+      "path": "src/settings-manager.test.ts",
+      "timeoutMs": 30000,
+      "reason": "Mutates the settings singleton, HOME, and real OS credential test entries."
+    },
     {
       "path": "src/telemetry/flush-auth.test.ts",
       "timeoutMs": 15000,
@@ -97,6 +102,16 @@
       "timeoutMs": 15000,
       "reason": "Uses a top-level Bun module mock for the backend client."
     },
+    {
+      "path": "src/utils/secret-backends.test.ts",
+      "timeoutMs": 30000,
+      "reason": "Mutates the secrets runtime override and service name while exercising the real OS credential store."
+    },
+    {
+      "path": "src/utils/secrets.test.ts",
+      "timeoutMs": 30000,
+      "reason": "Mutates the process-global secrets service name while exercising the real OS credential store."
+    },
     {
       "path": "src/websocket/listen-client-concurrency.test.ts",
       "timeoutMs": 30000,

scripts/postinstall-patches.js

@@ -1,14 +1,7 @@
 // Postinstall patcher for vendoring our Ink modifications without patch-package.
 // Copies patched runtime files from ./src/vendor into node_modules.
 
-import { execSync } from "node:child_process";
-import {
-  copyFileSync,
-  existsSync,
-  mkdirSync,
-  readFileSync,
-  writeFileSync,
-} from "node:fs";
+import { copyFileSync, existsSync, mkdirSync } from "node:fs";
 import { createRequire } from "node:module";
 import { dirname, join } from "node:path";
 import { fileURLToPath } from "node:url";
@@ -100,7 +93,10 @@ await copyToResolved(
   "ink/build/hooks/use-input.js",
 );
 await copyToResolved("vendor/ink/build/devtools.js", "ink/build/devtools.js");
-await copyToResolved("vendor/ink/build/log-update.js", "ink/build/log-update.js");
+await copyToResolved(
+  "vendor/ink/build/log-update.js",
+  "ink/build/log-update.js",
+);
 await copyToResolved("vendor/ink/build/wrap-text.js", "ink/build/wrap-text.js");
 
 // ink-text-input (optional vendor with externalCursorOffset support)
@@ -110,27 +106,3 @@ await copyToResolved(
 );
 
 console.log("[patch] Ink runtime patched");
-
-// On Unix with Bun available, use polyglot shebang to prefer Bun runtime.
-// This enables Bun.secrets for secure keychain storage instead of fallback.
-// Windows always uses #!/usr/bin/env node (polyglot shebang breaks npm wrappers).
-if (process.platform !== "win32") {
-  try {
-    execSync("bun --version", { stdio: "ignore" });
-    const lettaPath = join(pkgRoot, "letta.js");
-    if (existsSync(lettaPath)) {
-      let content = readFileSync(lettaPath, "utf-8");
-      if (content.startsWith("#!/usr/bin/env node")) {
-        content = content.replace(
-          "#!/usr/bin/env node",
-          `#!/bin/sh
-":" //#; exec /usr/bin/env sh -c 'command -v bun >/dev/null && exec bun "$0" "$@" || exec node "$0" "$@"' "$0" "$@"`,
-        );
-        writeFileSync(lettaPath, content);
-        console.log("[patch] Configured letta to prefer Bun runtime");
-      }
-    }
-  } catch {
-    // Bun not available, keep node shebang
-  }
-}

scripts/source-file-size-baseline.json

@@ -35,8 +35,8 @@
   "src/permissions/read-only-shell.test.ts": 1303,
   "src/permissions/read-only-shell.ts": 2009,
   "src/providers/chatgpt-usage-service.ts": 1112,
-  "src/settings-manager.test.ts": 1669,
-  "src/settings-manager.ts": 2112,
+  "src/settings-manager.test.ts": 1676,
+  "src/settings-manager.ts": 2108,
   "src/tools/impl/enter-worktree.ts": 1260,
   "src/tools/manager.ts": 3261,
   "src/tools/tool-execution-context.test.ts": 1422,