diff --git a/src/app/api/logs/console/route.ts b/src/app/api/logs/console/route.ts
index cf12058825..3c7f5a4dbd 100644
--- a/src/app/api/logs/console/route.ts
+++ b/src/app/api/logs/console/route.ts
@@ -26,10 +26,10 @@ const LEVEL_ORDER: Record<string, number> = {
 // Map pino numeric levels to string levels
 const NUMERIC_LEVEL_MAP: Record<number, string> = {
   10: "trace",
-  20: "info",
-  30: "warn",
-  40: "error",
-  50: "fatal",
+  20: "debug",
+  30: "info",
+  40: "warn",
+  50: "error",
   60: "fatal",
 };
 
diff --git a/src/shared/utils/logger.ts b/src/shared/utils/logger.ts
index f47f527c75..a5f8f414d9 100644
--- a/src/shared/utils/logger.ts
+++ b/src/shared/utils/logger.ts
@@ -30,6 +30,14 @@ const baseConfig: pino.LoggerOptions = {
   },
 };
 
+function getTransportCompatibleConfig(): pino.LoggerOptions {
+  const { formatters, ...rest } = baseConfig;
+  if (!formatters) return rest;
+
+  const { level: _levelFormatter, ...safeFormatters } = formatters;
+  return Object.keys(safeFormatters).length > 0 ? { ...rest, formatters: safeFormatters } : rest;
+}
+
 /**
  * Build the logger with optional file transport.
  * Uses pino transport targets for all destinations.
@@ -37,6 +45,7 @@ const baseConfig: pino.LoggerOptions = {
 function buildLogger(): pino.Logger {
   const logConfig = getLogConfig();
   const logLevel = (baseConfig.level as string) || "info";
+  const transportConfig = getTransportCompatibleConfig();
 
   // If file logging is enabled, set up dual transport (stdout + file)
   if (logConfig.logToFile) {
@@ -50,7 +59,7 @@ function buildLogger(): pino.Logger {
       if (isDev) {
         // Dev: pino-pretty → stdout, JSON → file
         return pino({
-          ...baseConfig,
+          ...transportConfig,
           transport: {
             targets: [
               {
@@ -76,7 +85,7 @@ function buildLogger(): pino.Logger {
 
       // Production: JSON → stdout + JSON → file
       return pino({
-        ...baseConfig,
+        ...transportConfig,
         transport: {
           targets: [
             {
diff --git a/tests/unit/console-log-levels.test.mjs b/tests/unit/console-log-levels.test.mjs
new file mode 100644
index 0000000000..d268f7aba0
--- /dev/null
+++ b/tests/unit/console-log-levels.test.mjs
@@ -0,0 +1,54 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+
+const TEST_LOG_DIR = fs.mkdtempSync(path.join(os.tmpdir(), "omniroute-console-log-levels-"));
+const TEST_LOG_PATH = path.join(TEST_LOG_DIR, "app.log");
+
+const originalLogFilePath = process.env.LOG_FILE_PATH;
+process.env.LOG_FILE_PATH = TEST_LOG_PATH;
+
+const route = await import("../../src/app/api/logs/console/route.ts");
+
+test.after(() => {
+  if (originalLogFilePath === undefined) {
+    delete process.env.LOG_FILE_PATH;
+  } else {
+    process.env.LOG_FILE_PATH = originalLogFilePath;
+  }
+  fs.rmSync(TEST_LOG_DIR, { recursive: true, force: true });
+});
+
+test("console log API normalizes numeric pino levels correctly", async () => {
+  fs.writeFileSync(
+    TEST_LOG_PATH,
+    [
+      JSON.stringify({
+        timestamp: new Date().toISOString(),
+        level: 30,
+        module: "probe",
+        msg: "info entry",
+      }),
+      JSON.stringify({
+        timestamp: new Date().toISOString(),
+        level: 40,
+        module: "probe",
+        msg: "warn entry",
+      }),
+    ].join("\n") + "\n",
+    "utf8"
+  );
+
+  const response = await route.GET(
+    new Request("http://localhost/api/logs/console?level=info&limit=10")
+  );
+  const body = await response.json();
+
+  assert.equal(response.status, 200);
+  assert.deepEqual(
+    body.map((entry) => entry.level),
+    ["info", "warn"]
+  );
+});