test: forward stdin through the Cursor fixture runner

Co-Authored-By: Paperclip <noreply@paperclip.ing>

packages/adapters/cursor-local/src/server/execute.test.ts

@@ -288,7 +288,7 @@ printf '%s\\n' '{"type":"result","subtype":"success","session_id":"cursor-sessio
       finalPreparedCommand = preferredCommandPath;
       const runtimeEnv = {
         ...input.env,
-        PATH: `${path.join(systemHomeDir, ".local", "bin")}${path.delimiter}${input.env.PATH}`,
+        PATH: `${path.join(systemHomeDir, ".local", "bin")}${path.delimiter}${input.env.PATH ?? process.env.PATH ?? "/usr/bin:/bin"}`,
       };
       await fs.mkdir(path.dirname(preferredCommandPath), { recursive: true });
       await fs.writeFile(preferredCommandPath, preferredAgentScript);
@@ -312,13 +312,14 @@ printf '%s\\n' '{"type":"result","subtype":"success","session_id":"cursor-sessio
     // shell seam faithful to that protocol instead of returning empty stdout
     // for every shell command.
     const runner = {
-      execute: async (input: { command: string; args?: string[]; env?: Record<string, string> }) => {
+      execute: async (input: { command: string; args?: string[]; env?: Record<string, string>; stdin?: string }) => {
         runnerState.commands.push(input.command);
         // Exercise actual bounded file reads during managed-home restoration;
         // reporting empty success for every shell command hides missing bytes.
         return runChildProcess(`cursor-fresh-lease-${runnerState.commands.length}`, input.command, input.args ?? [], {
           cwd: remoteWorkspace,
           env: { ...input.env, PATH: `${input.env?.PATH ?? ""}:/usr/bin:/bin` },
+          stdin: input.stdin,
           timeoutSec: 30,
           graceSec: 5,
           onLog: async () => {},