diff --git a/src/channels/plugins/doctor-contract-api.fast-path.test.ts b/src/channels/plugins/doctor-contract-api.fast-path.test.ts
new file mode 100644
index 00000000000..f49f5836c94
--- /dev/null
+++ b/src/channels/plugins/doctor-contract-api.fast-path.test.ts
@@ -0,0 +1,73 @@
+import { describe, expect, it, vi } from "vitest";
+
+const { loadBundledPluginPublicArtifactModuleSyncMock } = vi.hoisted(() => ({
+  loadBundledPluginPublicArtifactModuleSyncMock: vi.fn(
+    ({ artifactBasename, dirName }: { artifactBasename: string; dirName: string }) => {
+      if (dirName === "discord" && artifactBasename === "doctor-contract-api.js") {
+        return {
+          legacyConfigRules: [
+            {
+              path: ["channels", "discord", "voice", "tts"],
+              message: "legacy discord rule",
+            },
+          ],
+        };
+      }
+      if (dirName === "telegram" && artifactBasename === "contract-api.js") {
+        return {
+          legacyConfigRules: [
+            {
+              path: ["channels", "telegram", "groupMentionsOnly"],
+              message: "legacy telegram rule",
+            },
+          ],
+        };
+      }
+      throw new Error(
+        `Unable to resolve bundled plugin public surface ${dirName}/${artifactBasename}`,
+      );
+    },
+  ),
+}));
+
+vi.mock("../../plugins/public-surface-loader.js", () => ({
+  loadBundledPluginPublicArtifactModuleSync: loadBundledPluginPublicArtifactModuleSyncMock,
+}));
+
+import { loadBundledChannelDoctorContractApi } from "./doctor-contract-api.js";
+
+describe("channel doctor contract api fast path", () => {
+  it("prefers the explicit doctor contract artifact for bundled channels", () => {
+    const api = loadBundledChannelDoctorContractApi("discord");
+
+    expect(api?.legacyConfigRules).toEqual([
+      {
+        path: ["channels", "discord", "voice", "tts"],
+        message: "legacy discord rule",
+      },
+    ]);
+    expect(loadBundledPluginPublicArtifactModuleSyncMock).toHaveBeenCalledWith({
+      dirName: "discord",
+      artifactBasename: "doctor-contract-api.js",
+    });
+  });
+
+  it("falls back to the generic contract artifact when the doctor artifact is absent", () => {
+    const api = loadBundledChannelDoctorContractApi("telegram");
+
+    expect(api?.legacyConfigRules).toEqual([
+      {
+        path: ["channels", "telegram", "groupMentionsOnly"],
+        message: "legacy telegram rule",
+      },
+    ]);
+    expect(loadBundledPluginPublicArtifactModuleSyncMock).toHaveBeenCalledWith({
+      dirName: "telegram",
+      artifactBasename: "doctor-contract-api.js",
+    });
+    expect(loadBundledPluginPublicArtifactModuleSyncMock).toHaveBeenCalledWith({
+      dirName: "telegram",
+      artifactBasename: "contract-api.js",
+    });
+  });
+});
diff --git a/src/channels/plugins/doctor-contract-api.ts b/src/channels/plugins/doctor-contract-api.ts
new file mode 100644
index 00000000000..2bd848aac86
--- /dev/null
+++ b/src/channels/plugins/doctor-contract-api.ts
@@ -0,0 +1,34 @@
+import type { LegacyConfigRule } from "../../config/legacy.shared.js";
+import { loadBundledPluginPublicArtifactModuleSync } from "../../plugins/public-surface-loader.js";
+
+type BundledChannelDoctorContractApi = {
+  legacyConfigRules?: readonly LegacyConfigRule[];
+};
+
+function loadBundledChannelPublicArtifact(
+  channelId: string,
+  artifactBasenames: readonly string[],
+): BundledChannelDoctorContractApi | undefined {
+  for (const artifactBasename of artifactBasenames) {
+    try {
+      return loadBundledPluginPublicArtifactModuleSync<BundledChannelDoctorContractApi>({
+        dirName: channelId,
+        artifactBasename,
+      });
+    } catch (error) {
+      if (
+        error instanceof Error &&
+        error.message.startsWith("Unable to resolve bundled plugin public surface ")
+      ) {
+        continue;
+      }
+    }
+  }
+  return undefined;
+}
+
+export function loadBundledChannelDoctorContractApi(
+  channelId: string,
+): BundledChannelDoctorContractApi | undefined {
+  return loadBundledChannelPublicArtifact(channelId, ["doctor-contract-api.js", "contract-api.js"]);
+}
diff --git a/src/channels/plugins/legacy-config.test.ts b/src/channels/plugins/legacy-config.test.ts
new file mode 100644
index 00000000000..d2afd0f0a18
--- /dev/null
+++ b/src/channels/plugins/legacy-config.test.ts
@@ -0,0 +1,108 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+const {
+  loadBundledChannelDoctorContractApiMock,
+  getBootstrapChannelPluginMock,
+  listPluginDoctorLegacyConfigRulesMock,
+} = vi.hoisted(() => ({
+  loadBundledChannelDoctorContractApiMock: vi.fn(),
+  getBootstrapChannelPluginMock: vi.fn(),
+  listPluginDoctorLegacyConfigRulesMock: vi.fn(() => []),
+}));
+
+vi.mock("./doctor-contract-api.js", () => ({
+  loadBundledChannelDoctorContractApi: loadBundledChannelDoctorContractApiMock,
+}));
+
+vi.mock("./bootstrap-registry.js", () => ({
+  getBootstrapChannelPlugin: getBootstrapChannelPluginMock,
+}));
+
+vi.mock("../../plugins/doctor-contract-registry.js", () => ({
+  listPluginDoctorLegacyConfigRules: listPluginDoctorLegacyConfigRulesMock,
+}));
+
+import { collectChannelLegacyConfigRules } from "./legacy-config.js";
+
+describe("collectChannelLegacyConfigRules", () => {
+  beforeEach(() => {
+    loadBundledChannelDoctorContractApiMock.mockReset();
+    getBootstrapChannelPluginMock.mockReset();
+    listPluginDoctorLegacyConfigRulesMock.mockReset();
+    listPluginDoctorLegacyConfigRulesMock.mockReturnValue([]);
+  });
+
+  it("uses bundled doctor contract rules before falling back to registry scans", () => {
+    loadBundledChannelDoctorContractApiMock.mockImplementation((channelId: string) =>
+      channelId === "discord"
+        ? {
+            legacyConfigRules: [
+              {
+                path: ["channels", "discord", "voice", "tts"],
+                message: "legacy discord rule",
+              },
+            ],
+          }
+        : undefined,
+    );
+
+    const rules = collectChannelLegacyConfigRules({
+      channels: {
+        discord: {},
+      },
+    });
+
+    expect(rules).toEqual([
+      {
+        path: ["channels", "discord", "voice", "tts"],
+        message: "legacy discord rule",
+      },
+    ]);
+    expect(getBootstrapChannelPluginMock).not.toHaveBeenCalled();
+    expect(listPluginDoctorLegacyConfigRulesMock).not.toHaveBeenCalled();
+  });
+
+  it("falls back to bootstrap rules and only scans unresolved channels", () => {
+    getBootstrapChannelPluginMock.mockImplementation((channelId: string) =>
+      channelId === "slack"
+        ? {
+            doctor: {
+              legacyConfigRules: [
+                {
+                  path: ["channels", "slack", "legacy"],
+                  message: "legacy slack rule",
+                },
+              ],
+            },
+          }
+        : undefined,
+    );
+    listPluginDoctorLegacyConfigRulesMock.mockReturnValue([
+      {
+        path: ["channels", "custom-chat", "legacy"],
+        message: "legacy custom rule",
+      },
+    ]);
+
+    const rules = collectChannelLegacyConfigRules({
+      channels: {
+        slack: {},
+        "custom-chat": {},
+      },
+    });
+
+    expect(rules).toEqual([
+      {
+        path: ["channels", "slack", "legacy"],
+        message: "legacy slack rule",
+      },
+      {
+        path: ["channels", "custom-chat", "legacy"],
+        message: "legacy custom rule",
+      },
+    ]);
+    expect(listPluginDoctorLegacyConfigRulesMock).toHaveBeenCalledWith({
+      pluginIds: ["custom-chat"],
+    });
+  });
+});
diff --git a/src/channels/plugins/legacy-config.ts b/src/channels/plugins/legacy-config.ts
index fdfb1313c9a..92bfa60e173 100644
--- a/src/channels/plugins/legacy-config.ts
+++ b/src/channels/plugins/legacy-config.ts
@@ -1,6 +1,7 @@
 import type { LegacyConfigRule } from "../../config/legacy.shared.js";
 import { listPluginDoctorLegacyConfigRules } from "../../plugins/doctor-contract-registry.js";
 import { getBootstrapChannelPlugin } from "./bootstrap-registry.js";
+import { loadBundledChannelDoctorContractApi } from "./doctor-contract-api.js";
 import type { ChannelId } from "./types.public.js";
 
 function collectConfiguredChannelIds(raw: unknown): ChannelId[] {
@@ -19,14 +20,25 @@ function collectConfiguredChannelIds(raw: unknown): ChannelId[] {
 export function collectChannelLegacyConfigRules(raw?: unknown): LegacyConfigRule[] {
   const channelIds = collectConfiguredChannelIds(raw);
   const rules: LegacyConfigRule[] = [];
+  const unresolvedChannelIds: ChannelId[] = [];
   for (const channelId of channelIds) {
-    const plugin = getBootstrapChannelPlugin(channelId);
-    if (!plugin) {
+    const contractRules = loadBundledChannelDoctorContractApi(channelId)?.legacyConfigRules;
+    if (Array.isArray(contractRules) && contractRules.length > 0) {
+      rules.push(...contractRules);
       continue;
     }
-    rules.push(...(plugin.doctor?.legacyConfigRules ?? []));
+
+    const plugin = getBootstrapChannelPlugin(channelId);
+    if (plugin?.doctor?.legacyConfigRules?.length) {
+      rules.push(...plugin.doctor.legacyConfigRules);
+      continue;
+    }
+
+    unresolvedChannelIds.push(channelId);
+  }
+  if (unresolvedChannelIds.length > 0) {
+    rules.push(...listPluginDoctorLegacyConfigRules({ pluginIds: unresolvedChannelIds }));
   }
-  rules.push(...listPluginDoctorLegacyConfigRules({ pluginIds: channelIds }));
 
   const seen = new Set<string>();
   return rules.filter((rule) => {
diff --git a/src/config/validation.ts b/src/config/validation.ts
index b13aad8e81e..05f5266c24c 100644
--- a/src/config/validation.ts
+++ b/src/config/validation.ts
@@ -573,11 +573,10 @@ export function validateConfigObjectRaw(
   raw: unknown,
 ): { ok: true; config: OpenClawConfig } | { ok: false; issues: ConfigValidationIssue[] } {
   const policyIssues = collectUnsupportedSecretRefPolicyIssues(raw);
-  const legacyIssues = findLegacyConfigIssues(
-    raw,
-    raw,
-    listPluginDoctorLegacyConfigRules({ pluginIds: collectRelevantDoctorPluginIds(raw) }),
-  );
+  const extraLegacyRules = listPluginDoctorLegacyConfigRules({
+    pluginIds: collectRelevantDoctorPluginIds(raw),
+  });
+  const legacyIssues = findLegacyConfigIssues(raw, raw, extraLegacyRules);
   if (legacyIssues.length > 0) {
     return {
       ok: false,