Auto-create missing cwd for claude_local and codex_local

packages/adapters/claude-local/src/index.ts

@@ -12,7 +12,7 @@ export const agentConfigurationDoc = `# claude_local agent configuration
 Adapter: claude_local
 
 Core fields:
-- cwd (string, optional): default absolute working directory fallback for the agent process
+- cwd (string, optional): default absolute working directory fallback for the agent process (created if missing when possible)
 - instructionsFilePath (string, optional): absolute path to a markdown instructions file injected at runtime
 - model (string, optional): Claude model id
 - effort (string, optional): reasoning effort passed via --effort (low|medium|high)

packages/adapters/claude-local/src/server/execute.ts

@@ -116,7 +116,7 @@ async function buildClaudeRuntimeConfig(input: ClaudeExecutionInput): Promise<Cl
   const useConfiguredInsteadOfAgentHome = workspaceSource === "agent_home" && configuredCwd.length > 0;
   const effectiveWorkspaceCwd = useConfiguredInsteadOfAgentHome ? "" : workspaceCwd;
   const cwd = effectiveWorkspaceCwd || configuredCwd || process.cwd();
-  await ensureAbsoluteDirectory(cwd);
+  await ensureAbsoluteDirectory(cwd, { createIfMissing: true });
 
   const envConfig = parseObject(config.env);
   const hasExplicitApiKey =

packages/adapters/claude-local/src/server/test.ts

@@ -30,7 +30,7 @@ export async function testEnvironment(
   const cwd = asString(config.cwd, process.cwd());
 
   try {
-    await ensureAbsoluteDirectory(cwd);
+    await ensureAbsoluteDirectory(cwd, { createIfMissing: true });
     checks.push({
       code: "claude_cwd_valid",
       level: "info",