Fix codex mcp typecheck errors

packages/server/src/server/agent/providers/codex-mcp-agent.ts

@@ -304,7 +304,6 @@ class CodexMcpAgentSession implements AgentSession {
   private sessionId: string | null = null;
   private conversationId: string | null = null;
   private runtimeModel: string | null = null;
-  private modelRejected = false;
   private pendingLocalId: string | null = null;
   private persistence: AgentPersistenceHandle | null = null;
   private cachedRuntimeInfo: AgentRuntimeInfo | null = null;
@@ -589,7 +588,8 @@ class CodexMcpAgentSession implements AgentSession {
         : response.interrupt
           ? "abort"
           : "denied";
-    pending.resolve({ decision, reason: response.message });
+    const reason = response.behavior === "deny" ? response.message : undefined;
+    pending.resolve({ decision, reason });
     this.flushQueuedToolEvents(requestId, response.behavior === "allow");
   }
 
@@ -679,7 +679,6 @@ class CodexMcpAgentSession implements AgentSession {
         } catch (error) {
           if (config.model && isUnsupportedChatGptModelError(error)) {
             const { model: _ignoredModel, ...fallback } = config;
-            this.modelRejected = true;
             this.runtimeModel = null;
             this.config.model = undefined;
             response = await attempt(fallback);
@@ -703,7 +702,6 @@ class CodexMcpAgentSession implements AgentSession {
         );
       }
     } catch (error) {
-      const message = error instanceof Error ? error.message : String(error);
       if (signal.aborted) {
         this.emitEvent({
           type: "turn_failed",

plan.md

@@ -106,10 +106,11 @@ Build a new Codex MCP provider side‑by‑side with the existing Codex SDK prov
   - These hacks hide bugs. The provider should work correctly or fail clearly.
   - **Done (2025-12-24 19:25)**: Reviewed codex-mcp-agent.ts and cataloged all workaround/fallback logic with required real fixes.
 
-- [ ] **Fix**: Resolve typecheck errors in `codex-mcp-agent.ts`.
+- [x] **Fix**: Resolve typecheck errors in `codex-mcp-agent.ts`.
 
   - Run `npm run typecheck --workspace=@paseo/server`.
   - Fix `AgentPermissionResponse.message` and unused locals.
+  - **Done (2025-12-24 19:27)**: Removed unused locals, avoided invalid permission message access, and reran server typecheck.
 
 - [ ] **Test (E2E)**: Run tests and verify fixes work.