diff --git a/src/cli/argv.test.ts b/src/cli/argv.test.ts
index fd7ed71d529..35fad29a546 100644
--- a/src/cli/argv.test.ts
+++ b/src/cli/argv.test.ts
@@ -3,6 +3,7 @@ import {
   buildParseArgv,
   getFlagValue,
   getCommandPath,
+  getCommandPathWithRootOptions,
   getPrimaryCommand,
   getPositiveIntFlagValue,
   getVerboseFlag,
@@ -160,6 +161,15 @@ describe("argv helpers", () => {
     expect(getCommandPath(argv, 2)).toEqual(expected);
   });
 
+  it("extracts command path while skipping known root option values", () => {
+    expect(
+      getCommandPathWithRootOptions(
+        ["node", "openclaw", "--profile", "work", "--no-color", "config", "validate"],
+        2,
+      ),
+    ).toEqual(["config", "validate"]);
+  });
+
   it.each([
     {
       name: "returns first command token",
diff --git a/src/cli/argv.ts b/src/cli/argv.ts
index ecc33d689e5..a2f77c15579 100644
--- a/src/cli/argv.ts
+++ b/src/cli/argv.ts
@@ -170,6 +170,18 @@ export function getPositiveIntFlagValue(argv: string[], name: string): number |
 }
 
 export function getCommandPath(argv: string[], depth = 2): string[] {
+  return getCommandPathInternal(argv, depth, { skipRootOptions: false });
+}
+
+export function getCommandPathWithRootOptions(argv: string[], depth = 2): string[] {
+  return getCommandPathInternal(argv, depth, { skipRootOptions: true });
+}
+
+function getCommandPathInternal(
+  argv: string[],
+  depth: number,
+  opts: { skipRootOptions: boolean },
+): string[] {
   const args = argv.slice(2);
   const path: string[] = [];
   for (let i = 0; i < args.length; i += 1) {
@@ -180,6 +192,21 @@ export function getCommandPath(argv: string[], depth = 2): string[] {
     if (arg === "--") {
       break;
     }
+    if (opts.skipRootOptions) {
+      if (arg.startsWith("--profile=") || arg.startsWith("--log-level=")) {
+        continue;
+      }
+      if (ROOT_BOOLEAN_FLAGS.has(arg)) {
+        continue;
+      }
+      if (ROOT_VALUE_FLAGS.has(arg)) {
+        const next = args[i + 1];
+        if (isValueToken(next)) {
+          i += 1;
+        }
+        continue;
+      }
+    }
     if (arg.startsWith("-")) {
       continue;
     }
diff --git a/src/cli/program/preaction.test.ts b/src/cli/program/preaction.test.ts
index 5761b47dc9a..065abb3bbf7 100644
--- a/src/cli/program/preaction.test.ts
+++ b/src/cli/program/preaction.test.ts
@@ -217,6 +217,15 @@ describe("registerPreActionHooks", () => {
     expect(ensureConfigReadyMock).not.toHaveBeenCalled();
   });
 
+  it("bypasses config guard for config validate when root option values are present", async () => {
+    await runPreAction({
+      parseArgv: ["config", "validate"],
+      processArgv: ["node", "openclaw", "--profile", "work", "config", "validate"],
+    });
+
+    expect(ensureConfigReadyMock).not.toHaveBeenCalled();
+  });
+
   beforeAll(() => {
     program = buildProgram();
     const hooks = (
diff --git a/src/cli/program/preaction.ts b/src/cli/program/preaction.ts
index fd4bc9de3c5..5984df6e4f4 100644
--- a/src/cli/program/preaction.ts
+++ b/src/cli/program/preaction.ts
@@ -3,7 +3,12 @@ import { setVerbose } from "../../globals.js";
 import { isTruthyEnvValue } from "../../infra/env.js";
 import type { LogLevel } from "../../logging/levels.js";
 import { defaultRuntime } from "../../runtime.js";
-import { getCommandPath, getVerboseFlag, hasFlag, hasHelpOrVersion } from "../argv.js";
+import {
+  getCommandPathWithRootOptions,
+  getVerboseFlag,
+  hasFlag,
+  hasHelpOrVersion,
+} from "../argv.js";
 import { emitCliBanner } from "../banner.js";
 import { resolveCliName } from "../cli-name.js";
 
@@ -98,7 +103,7 @@ export function registerPreActionHooks(program: Command, programVersion: string)
     if (hasHelpOrVersion(argv)) {
       return;
     }
-    const commandPath = getCommandPath(argv, 2);
+    const commandPath = getCommandPathWithRootOptions(argv, 2);
     const hideBanner =
       isTruthyEnvValue(process.env.OPENCLAW_HIDE_BANNER) ||
       commandPath[0] === "update" ||
diff --git a/src/config/validation.allowed-values.test.ts b/src/config/validation.allowed-values.test.ts
index 360b78238d4..d586246ff87 100644
--- a/src/config/validation.allowed-values.test.ts
+++ b/src/config/validation.allowed-values.test.ts
@@ -32,4 +32,46 @@ describe("config validation allowed-values metadata", () => {
       expect(issue?.allowedValuesHiddenCount).toBe(0);
     }
   });
+
+  it("includes boolean variants for boolean-or-enum unions", () => {
+    const result = validateConfigObjectRaw({
+      channels: {
+        telegram: {
+          botToken: "x",
+          allowFrom: ["*"],
+          dmPolicy: "allowlist",
+          streaming: "maybe",
+        },
+      },
+    });
+
+    expect(result.ok).toBe(false);
+    if (!result.ok) {
+      const issue = result.issues.find((entry) => entry.path === "channels.telegram.streaming");
+      expect(issue).toBeDefined();
+      expect(issue?.allowedValues).toEqual([
+        "true",
+        "false",
+        "off",
+        "partial",
+        "block",
+        "progress",
+      ]);
+    }
+  });
+
+  it("skips allowed-values hints for unions with open-ended branches", () => {
+    const result = validateConfigObjectRaw({
+      cron: { sessionRetention: true },
+    });
+
+    expect(result.ok).toBe(false);
+    if (!result.ok) {
+      const issue = result.issues.find((entry) => entry.path === "cron.sessionRetention");
+      expect(issue).toBeDefined();
+      expect(issue?.allowedValues).toBeUndefined();
+      expect(issue?.allowedValuesHiddenCount).toBeUndefined();
+      expect(issue?.message).not.toContain("(allowed:");
+    }
+  });
 });
diff --git a/src/config/validation.ts b/src/config/validation.ts
index a3065304514..391c0afa99c 100644
--- a/src/config/validation.ts
+++ b/src/config/validation.ts
@@ -27,6 +27,11 @@ import { OpenClawSchema } from "./zod-schema.js";
 const LEGACY_REMOVED_PLUGIN_IDS = new Set(["google-antigravity-auth"]);
 
 type UnknownIssueRecord = Record<string, unknown>;
+type AllowedValuesCollection = {
+  values: unknown[];
+  incomplete: boolean;
+  hasValues: boolean;
+};
 
 function toIssueRecord(value: unknown): UnknownIssueRecord | null {
   if (!value || typeof value !== "object") {
@@ -35,37 +40,78 @@ function toIssueRecord(value: unknown): UnknownIssueRecord | null {
   return value as UnknownIssueRecord;
 }
 
-function collectAllowedValuesFromUnknownIssue(issue: unknown): unknown[] {
+function collectAllowedValuesFromIssue(issue: unknown): AllowedValuesCollection {
   const record = toIssueRecord(issue);
   if (!record) {
-    return [];
+    return { values: [], incomplete: false, hasValues: false };
   }
   const code = typeof record.code === "string" ? record.code : "";
 
   if (code === "invalid_value") {
     const values = record.values;
-    return Array.isArray(values) ? values : [];
+    if (!Array.isArray(values)) {
+      return { values: [], incomplete: true, hasValues: false };
+    }
+    return { values, incomplete: false, hasValues: values.length > 0 };
+  }
+
+  if (code === "invalid_type") {
+    const expected = typeof record.expected === "string" ? record.expected : "";
+    if (expected === "boolean") {
+      return { values: [true, false], incomplete: false, hasValues: true };
+    }
+    return { values: [], incomplete: true, hasValues: false };
   }
 
   if (code !== "invalid_union") {
-    return [];
+    return { values: [], incomplete: false, hasValues: false };
   }
 
   const nested = record.errors;
-  if (!Array.isArray(nested)) {
-    return [];
+  if (!Array.isArray(nested) || nested.length === 0) {
+    return { values: [], incomplete: true, hasValues: false };
   }
 
   const collected: unknown[] = [];
   for (const branch of nested) {
-    if (!Array.isArray(branch)) {
+    if (!Array.isArray(branch) || branch.length === 0) {
+      return { values: [], incomplete: true, hasValues: false };
+    }
+    const branchCollected = collectAllowedValuesFromIssueList(branch);
+    if (branchCollected.incomplete || !branchCollected.hasValues) {
+      return { values: [], incomplete: true, hasValues: false };
+    }
+    collected.push(...branchCollected.values);
+  }
+
+  return { values: collected, incomplete: false, hasValues: collected.length > 0 };
+}
+
+function collectAllowedValuesFromIssueList(
+  issues: ReadonlyArray<unknown>,
+): AllowedValuesCollection {
+  const collected: unknown[] = [];
+  let hasValues = false;
+  for (const issue of issues) {
+    const branch = collectAllowedValuesFromIssue(issue);
+    if (branch.incomplete) {
+      return { values: [], incomplete: true, hasValues: false };
+    }
+    if (!branch.hasValues) {
       continue;
     }
-    for (const nestedIssue of branch) {
-      collected.push(...collectAllowedValuesFromUnknownIssue(nestedIssue));
-    }
+    hasValues = true;
+    collected.push(...branch.values);
   }
-  return collected;
+  return { values: collected, incomplete: false, hasValues };
+}
+
+function collectAllowedValuesFromUnknownIssue(issue: unknown): unknown[] {
+  const collection = collectAllowedValuesFromIssue(issue);
+  if (collection.incomplete || !collection.hasValues) {
+    return [];
+  }
+  return collection.values;
 }
 
 function mapZodIssueToConfigIssue(issue: unknown): ConfigValidationIssue {
diff --git a/src/logging/logger.ts b/src/logging/logger.ts
index 452042cc25f..47e5624dc20 100644
--- a/src/logging/logger.ts
+++ b/src/logging/logger.ts
@@ -1,6 +1,7 @@
 import fs from "node:fs";
 import path from "node:path";
 import { Logger as TsLogger } from "tslog";
+import { getCommandPathWithRootOptions } from "../cli/argv.js";
 import type { OpenClawConfig } from "../config/types.js";
 import { resolvePreferredOpenClawTmpDir } from "../infra/tmp-openclaw-dir.js";
 import { readLoggingConfig } from "./config.js";
@@ -42,42 +43,8 @@ export type LogTransport = (logObj: LogTransportRecord) => void;
 
 const externalTransports = new Set<LogTransport>();
 
-function getCommandPathFromArgv(argv: string[]): string[] {
-  const tokens: string[] = [];
-  let skipNextAsRootValue = false;
-  for (const arg of argv.slice(2)) {
-    if (!arg || arg === "--") {
-      break;
-    }
-    if (skipNextAsRootValue) {
-      skipNextAsRootValue = false;
-      continue;
-    }
-    if (arg === "--profile" || arg === "--log-level") {
-      skipNextAsRootValue = true;
-      continue;
-    }
-    if (
-      arg === "--dev" ||
-      arg === "--no-color" ||
-      arg.startsWith("--profile=") ||
-      arg.startsWith("--log-level=")
-    ) {
-      continue;
-    }
-    if (arg.startsWith("-")) {
-      continue;
-    }
-    tokens.push(arg);
-    if (tokens.length >= 2) {
-      break;
-    }
-  }
-  return tokens;
-}
-
 function shouldSkipLoadConfigFallback(argv: string[] = process.argv): boolean {
-  const [primary, secondary] = getCommandPathFromArgv(argv);
+  const [primary, secondary] = getCommandPathWithRootOptions(argv, 2);
   return primary === "config" && secondary === "validate";
 }