fix(codex): centralize session limit parsing

extensions/codex/src/command-handlers.ts

@@ -1,5 +1,6 @@
 import crypto from "node:crypto";
 import { resolveAgentDir, resolveSessionAgentIds } from "openclaw/plugin-sdk/agent-runtime";
+import { parseStrictPositiveInteger } from "openclaw/plugin-sdk/number-runtime";
 import type { PluginCommandContext, PluginCommandResult } from "openclaw/plugin-sdk/plugin-entry";
 import { normalizeOptionalString } from "openclaw/plugin-sdk/string-coerce-runtime";
 import { CODEX_CONTROL_METHODS, type CodexControlMethod } from "./app-server/capabilities.js";
@@ -1932,9 +1933,8 @@ function parseCodexCliSessionsArgs(args: string[]): ParsedCodexCliSessionsArgs {
     }
     if (arg === "--limit") {
       const value = readRequiredOptionValue(args, index);
-      const parsedLimit =
-        value && /^\+?\d+$/.test(value.trim()) ? Number(value.trim()) : Number.NaN;
-      if (!Number.isSafeInteger(parsedLimit) || parsedLimit <= 0) {
+      const parsedLimit = parseStrictPositiveInteger(value);
+      if (parsedLimit === undefined) {
         parsed.help = true;
         continue;
       }

extensions/codex/src/commands.test.ts

@@ -595,6 +595,26 @@ describe("codex command", () => {
     });
   });
 
+  it("normalizes signed decimal Codex CLI session limits before node dispatch", async () => {
+    const listCodexCliSessionsOnNode = vi.fn(async () => ({
+      node: { nodeId: "mb-m5", displayName: "mb-m5" },
+      result: {
+        codexHome: "/Users/mariano/.codex",
+        sessions: [],
+      },
+    }));
+
+    await handleCodexCommand(createContext("sessions --host mb-m5 --limit +05 bridge"), {
+      deps: createDeps({ listCodexCliSessionsOnNode }),
+    });
+
+    expect(listCodexCliSessionsOnNode).toHaveBeenCalledWith({
+      requestedNode: "mb-m5",
+      filter: "bridge",
+      limit: 5,
+    });
+  });
+
   it("rejects partial Codex CLI session limits before node dispatch", async () => {
     const listCodexCliSessionsOnNode = vi.fn();