fix: improve shell wrapper stripping to handle quoted cd paths

packages/app/src/utils/tool-call-parsers.test.ts

@@ -65,6 +65,21 @@ describe("parseToolCallDisplay", () => {
     }
   });
 
+  test("strips shell + cd wrapper from command (Codex exec_command style)", () => {
+    const input = {
+      command:
+        '/bin/zsh -lc "cd /Users/moboudra/dev/paseo && nl -ba packages/app/src/utils/tool-call-parsers.test.ts | sed -n \'150,260p\'"',
+    };
+
+    const display: ToolCallDisplay = parseToolCallDisplay("shell", input, undefined);
+    expect(display.type).toBe("shell");
+    if (display.type === "shell") {
+      expect(display.command).toBe(
+        "nl -ba packages/app/src/utils/tool-call-parsers.test.ts | sed -n '150,260p'"
+      );
+    }
+  });
+
   test("handles command as array", () => {
     const input = { command: ["git", "status"] };
     const result = { type: "command", output: "On branch main" };

packages/app/src/utils/tool-call-parsers.ts

@@ -1,5 +1,6 @@
 import stripAnsi from "strip-ansi";
 import { z } from "zod";
+import { stripShellWrapperPrefix } from "@paseo/server/utils/tool-call-parsers";
 import { getNowMs, isPerfLoggingEnabled, perfLog } from "./perf";
 
 const TOOL_CALL_DIFF_LOG_TAG = "[ToolCallDiff]";
@@ -964,9 +965,10 @@ const ShellToolCallSchema = z
     result: z.unknown(),
   })
   .transform((data) => {
-    const command = Array.isArray(data.input.command)
+    const commandRaw = Array.isArray(data.input.command)
       ? data.input.command.join(" ")
       : data.input.command;
+    const command = stripShellWrapperPrefix(commandRaw);
 
     // Try parsing as success result first
     const resultParsed = ShellResultSchema.safeParse(data.result);

packages/server/src/utils/tool-call-parsers.test.ts

@@ -11,6 +11,11 @@ describe("stripShellWrapperPrefix", () => {
     expect(stripShellWrapperPrefix(command)).toBe("npm run format");
   });
 
+  test("strips /bin/zsh -lc \"cd path &&\" wrapper", () => {
+    const command = '/bin/zsh -lc "cd /Users/moboudra/dev/blankpage/editor && npm run format"';
+    expect(stripShellWrapperPrefix(command)).toBe("npm run format");
+  });
+
   test("strips /bin/zsh -c cd path && prefix", () => {
     const command = "/bin/zsh -c cd /path/to/project && git status";
     expect(stripShellWrapperPrefix(command)).toBe("git status");
@@ -36,12 +41,9 @@ describe("stripShellWrapperPrefix", () => {
     expect(stripShellWrapperPrefix(command)).toBe("/bin/zsh -lc npm run build");
   });
 
-  test("handles paths with spaces in quotes", () => {
+  test("strips when cd path includes spaces in quotes", () => {
-    // The regex matches \S+ for the path, so quoted paths won't fully match
-    // This is acceptable - quoted paths are edge cases
     const command = '/bin/zsh -lc cd "/path with spaces" && npm test';
-    // Won't strip because the path pattern expects non-whitespace
+    expect(stripShellWrapperPrefix(command)).toBe("npm test");
-    expect(stripShellWrapperPrefix(command)).toBe('/bin/zsh -lc cd "/path with spaces" && npm test');
   });
 });
 

packages/server/src/utils/tool-call-parsers.ts

@@ -56,12 +56,34 @@ export function stripCwdPrefix(filePath: string, cwd?: string): string {
   return filePath;
 }
 
-// Strips shell wrapper prefixes like "/bin/zsh -lc cd /path && " from commands
+// Strips shell wrapper prefixes like:
-// This is used for display purposes to show the actual command being run
+// - `/bin/zsh -lc cd /path && <cmd>`
-const SHELL_WRAPPER_PATTERN = /^\/bin\/(?:zsh|bash|sh)\s+(?:-[a-zA-Z]+\s+)?cd\s+\S+\s+&&\s+/;
+// - `/bin/zsh -lc "cd /path && <cmd>"`
+// This is used for display purposes to show the actual command being run.
+const SHELL_WRAPPER_PREFIX_PATTERN = /^\/bin\/(?:zsh|bash|sh)\s+(?:-[a-zA-Z]+\s+)?/;
+const CD_AND_PATTERN = /^cd\s+(?:"[^"]+"|'[^']+'|\S+)\s+&&\s+/;
 
 export function stripShellWrapperPrefix(command: string): string {
-  return command.replace(SHELL_WRAPPER_PATTERN, "");
+  const prefixMatch = command.match(SHELL_WRAPPER_PREFIX_PATTERN);
+  if (!prefixMatch) {
+    return command;
+  }
+
+  let rest = command.slice(prefixMatch[0].length).trim();
+  if (rest.length >= 2) {
+    const first = rest[0];
+    const last = rest[rest.length - 1];
+    if ((first === `"` || first === `'`) && last === first) {
+      rest = rest.slice(1, -1);
+    }
+  }
+
+  const stripped = rest.replace(CD_AND_PATTERN, "");
+  if (stripped !== rest) {
+    return stripped;
+  }
+
+  return command;
 }
 
 export function extractPrincipalParam(args: unknown, cwd?: string): string | undefined {