diff --git a/extensions/codex/src/app-server/dynamic-tools.test.ts b/extensions/codex/src/app-server/dynamic-tools.test.ts
index 944351fed52..4126bdfc26a 100644
--- a/extensions/codex/src/app-server/dynamic-tools.test.ts
+++ b/extensions/codex/src/app-server/dynamic-tools.test.ts
@@ -266,6 +266,55 @@ describe("createCodexDynamicToolBridge", () => {
     expect(text).toContain("rerun with narrower args");
   });
 
+  it("honors normalized per-agent dynamic tool result caps", async () => {
+    const bridge = createCodexDynamicToolBridge({
+      tools: [
+        createTool({
+          name: "large_lookup",
+          execute: vi.fn(async () => textToolResult("x".repeat(400))),
+        }),
+      ],
+      signal: new AbortController().signal,
+      hookContext: {
+        agentId: "research-bot",
+        config: {
+          agents: {
+            defaults: {
+              contextLimits: {
+                toolResultMaxChars: 1_000,
+              },
+            },
+            list: [
+              {
+                id: "Research Bot",
+                contextLimits: {
+                  toolResultMaxChars: 180,
+                },
+              },
+            ],
+          },
+        } as never,
+      },
+    });
+
+    const result = await bridge.handleToolCall({
+      threadId: "thread-1",
+      turnId: "turn-1",
+      callId: "call-1",
+      namespace: null,
+      tool: "large_lookup",
+      arguments: {},
+    });
+
+    expect(result.success).toBe(true);
+    const firstItem = result.contentItems[0];
+    if (firstItem?.type !== "inputText" || typeof firstItem.text !== "string") {
+      throw new Error("expected inputText tool result");
+    }
+    expect(firstItem.text.length).toBeLessThanOrEqual(180);
+    expect(firstItem.text).toContain("OpenClaw truncated dynamic tool result");
+  });
+
   it("keeps truncation notices within tiny configured caps", async () => {
     const bridge = createCodexDynamicToolBridge({
       tools: [
diff --git a/extensions/codex/src/app-server/dynamic-tools.ts b/extensions/codex/src/app-server/dynamic-tools.ts
index 9f7f8471bf1..149957202e0 100644
--- a/extensions/codex/src/app-server/dynamic-tools.ts
+++ b/extensions/codex/src/app-server/dynamic-tools.ts
@@ -18,6 +18,7 @@ import {
   type MessagingToolSourceReplyPayload,
   wrapToolWithBeforeToolCallHook,
 } from "openclaw/plugin-sdk/agent-harness-runtime";
+import { normalizeAgentId } from "openclaw/plugin-sdk/routing";
 import type { CodexDynamicToolsLoading } from "./config.js";
 import { invalidInlineImageText, sanitizeInlineImageDataUrl } from "./image-payload-sanitizer.js";
 import {
@@ -253,7 +254,11 @@ function resolveAgentContextLimitValue(params: {
   if (!Array.isArray(list)) {
     return defaultValue;
   }
-  const agent = list.find((entry) => readRecord(entry)?.id === params.agentId);
+  const normalizedAgentId = normalizeAgentId(params.agentId);
+  const agent = list.find((entry) => {
+    const entryId = readRecord(entry)?.id;
+    return typeof entryId === "string" && normalizeAgentId(entryId) === normalizedAgentId;
+  });
   const agentValue = readPositiveInteger(
     readRecord(readRecord(agent)?.contextLimits)?.[params.key],
   );
diff --git a/extensions/codex/src/app-server/run-attempt.test.ts b/extensions/codex/src/app-server/run-attempt.test.ts
index e76fdfdb061..a8f1b3f1fd2 100644
--- a/extensions/codex/src/app-server/run-attempt.test.ts
+++ b/extensions/codex/src/app-server/run-attempt.test.ts
@@ -6452,6 +6452,45 @@ describe("runCodexAppServerAttempt", () => {
     expect(savedBinding).toBeUndefined();
   });
 
+  it("clears native rollouts at the configured byte limit", async () => {
+    const sessionFile = path.join(tempDir, "session.jsonl");
+    const workspaceDir = path.join(tempDir, "workspace");
+    const agentDir = path.join(tempDir, "agent");
+    await writeExistingBinding(sessionFile, workspaceDir, { dynamicToolsFingerprint: "[]" });
+    await fs.writeFile(
+      path.join(path.dirname(sessionFile), "sessions.json"),
+      JSON.stringify({
+        "agent:main:session-1": {
+          sessionFile,
+          totalTokens: 12_000,
+        },
+      }),
+    );
+    const rolloutDir = path.join(agentDir, "codex-home", "sessions");
+    await fs.mkdir(rolloutDir, { recursive: true });
+    await fs.writeFile(path.join(rolloutDir, "rollout-thread-existing.jsonl"), "x".repeat(1_000));
+
+    const binding = await __testing.rotateOversizedCodexAppServerStartupBinding({
+      binding: await readCodexAppServerBinding(sessionFile),
+      sessionFile,
+      agentDir,
+      config: {
+        agents: {
+          defaults: {
+            compaction: {
+              truncateAfterCompaction: true,
+              maxActiveTranscriptBytes: 1_000,
+            },
+          },
+        },
+      } as never,
+    });
+
+    expect(binding).toBeUndefined();
+    const savedBinding = await readCodexAppServerBinding(sessionFile);
+    expect(savedBinding).toBeUndefined();
+  });
+
   it("resumes a bound Codex thread when only dynamic tool descriptions change", async () => {
     const sessionFile = path.join(tempDir, "session.jsonl");
     const workspaceDir = path.join(tempDir, "workspace");
diff --git a/extensions/codex/src/app-server/run-attempt.ts b/extensions/codex/src/app-server/run-attempt.ts
index 1d3c89e1483..32846d45a7d 100644
--- a/extensions/codex/src/app-server/run-attempt.ts
+++ b/extensions/codex/src/app-server/run-attempt.ts
@@ -679,7 +679,7 @@ async function rotateOversizedCodexAppServerStartupBinding(params: {
     params.codexHome,
   );
   if (maxBytes !== undefined) {
-    const oversizedFiles = rolloutFiles.filter((file) => file.bytes > maxBytes);
+    const oversizedFiles = rolloutFiles.filter((file) => file.bytes >= maxBytes);
     if (oversizedFiles.length > 0) {
       embeddedAgentLog.warn(
         "codex app-server native transcript exceeded active byte limit; starting a fresh thread",