Plugins: fail fast on channel and binding collisions (#45628)

* Plugins: reject duplicate channel ids

* Bindings: reject duplicate adapter registration

* Plugins: fail on export id mismatch

src/infra/outbound/session-binding-service.test.ts

@@ -198,4 +198,24 @@ describe("session binding service", () => {
       placements: [],
     });
   });
+
+  it("rejects duplicate adapter registration for the same channel account", () => {
+    registerSessionBindingAdapter({
+      channel: "discord",
+      accountId: "default",
+      bind: async (input) => createRecord(input),
+      listBySession: () => [],
+      resolveByConversation: () => null,
+    });
+
+    expect(() =>
+      registerSessionBindingAdapter({
+        channel: "Discord",
+        accountId: "DEFAULT",
+        bind: async (input) => createRecord(input),
+        listBySession: () => [],
+        resolveByConversation: () => null,
+      }),
+    ).toThrow("Session binding adapter already registered for discord:default");
+  });
 });

src/infra/outbound/session-binding-service.ts

@@ -148,15 +148,22 @@ function resolveAdapterCapabilities(
 const ADAPTERS_BY_CHANNEL_ACCOUNT = new Map<string, SessionBindingAdapter>();
 
 export function registerSessionBindingAdapter(adapter: SessionBindingAdapter): void {
-  const key = toAdapterKey({
-    channel: adapter.channel,
-    accountId: adapter.accountId,
-  });
-  ADAPTERS_BY_CHANNEL_ACCOUNT.set(key, {
+  const normalizedAdapter = {
     ...adapter,
     channel: adapter.channel.trim().toLowerCase(),
     accountId: normalizeAccountId(adapter.accountId),
+  };
+  const key = toAdapterKey({
+    channel: normalizedAdapter.channel,
+    accountId: normalizedAdapter.accountId,
   });
+  const existing = ADAPTERS_BY_CHANNEL_ACCOUNT.get(key);
+  if (existing && existing !== adapter) {
+    throw new Error(
+      `Session binding adapter already registered for ${normalizedAdapter.channel}:${normalizedAdapter.accountId}`,
+    );
+  }
+  ADAPTERS_BY_CHANNEL_ACCOUNT.set(key, normalizedAdapter);
 }
 
 export function unregisterSessionBindingAdapter(params: {

src/plugins/loader.test.ts

@@ -825,6 +825,37 @@ describe("loadOpenClawPlugins", () => {
     expect(registry.diagnostics.some((d) => d.level === "error")).toBe(true);
   });
 
+  it("fails when plugin export id mismatches manifest id", () => {
+    useNoBundledPlugins();
+    const plugin = writePlugin({
+      id: "manifest-id",
+      filename: "manifest-id.cjs",
+      body: `module.exports = { id: "export-id", register() {} };`,
+    });
+
+    const registry = loadRegistryFromSinglePlugin({
+      plugin,
+      pluginConfig: {
+        allow: ["manifest-id"],
+      },
+    });
+
+    const loaded = registry.plugins.find((entry) => entry.id === "manifest-id");
+    expect(loaded?.status).toBe("error");
+    expect(loaded?.error).toBe(
+      'plugin id mismatch (config uses "manifest-id", export uses "export-id")',
+    );
+    expect(
+      registry.diagnostics.some(
+        (entry) =>
+          entry.level === "error" &&
+          entry.pluginId === "manifest-id" &&
+          entry.message ===
+            'plugin id mismatch (config uses "manifest-id", export uses "export-id")',
+      ),
+    ).toBe(true);
+  });
+
   it("registers channel plugins", () => {
     useNoBundledPlugins();
     const plugin = writePlugin({
@@ -863,6 +894,69 @@ describe("loadOpenClawPlugins", () => {
     expect(channel).toBeDefined();
   });
 
+  it("rejects duplicate channel ids during plugin registration", () => {
+    useNoBundledPlugins();
+    const plugin = writePlugin({
+      id: "channel-dup",
+      filename: "channel-dup.cjs",
+      body: `module.exports = { id: "channel-dup", register(api) {
+  api.registerChannel({
+    plugin: {
+      id: "demo",
+      meta: {
+        id: "demo",
+        label: "Demo Override",
+        selectionLabel: "Demo Override",
+        docsPath: "/channels/demo-override",
+        blurb: "override"
+      },
+      capabilities: { chatTypes: ["direct"] },
+      config: {
+        listAccountIds: () => [],
+        resolveAccount: () => ({ accountId: "default" })
+      },
+      outbound: { deliveryMode: "direct" }
+    }
+  });
+  api.registerChannel({
+    plugin: {
+      id: "demo",
+      meta: {
+        id: "demo",
+        label: "Demo Duplicate",
+        selectionLabel: "Demo Duplicate",
+        docsPath: "/channels/demo-duplicate",
+        blurb: "duplicate"
+      },
+      capabilities: { chatTypes: ["direct"] },
+      config: {
+        listAccountIds: () => [],
+        resolveAccount: () => ({ accountId: "default" })
+      },
+      outbound: { deliveryMode: "direct" }
+    }
+  });
+} };`,
+    });
+
+    const registry = loadRegistryFromSinglePlugin({
+      plugin,
+      pluginConfig: {
+        allow: ["channel-dup"],
+      },
+    });
+
+    expect(registry.channels.filter((entry) => entry.plugin.id === "demo")).toHaveLength(1);
+    expect(
+      registry.diagnostics.some(
+        (entry) =>
+          entry.level === "error" &&
+          entry.pluginId === "channel-dup" &&
+          entry.message === "channel already registered: demo (channel-dup)",
+      ),
+    ).toBe(true);
+  });
+
   it("registers http routes with auth and match options", () => {
     useNoBundledPlugins();
     const plugin = writePlugin({

src/plugins/loader.ts

@@ -779,12 +779,10 @@ export function loadOpenClawPlugins(options: PluginLoadOptions = {}): PluginRegi
     const register = resolved.register;
 
     if (definition?.id && definition.id !== record.id) {
-      registry.diagnostics.push({
-        level: "warn",
-        pluginId: record.id,
-        source: record.source,
-        message: `plugin id mismatch (config uses "${record.id}", export uses "${definition.id}")`,
-      });
+      pushPluginLoadError(
+        `plugin id mismatch (config uses "${record.id}", export uses "${definition.id}")`,
+      );
+      continue;
     }
 
     record.name = definition?.name ?? record.name;

src/plugins/registry.ts

@@ -419,6 +419,16 @@ export function createPluginRegistry(registryParams: PluginRegistryParams) {
       });
       return;
     }
+    const existing = registry.channels.find((entry) => entry.plugin.id === id);
+    if (existing) {
+      pushDiagnostic({
+        level: "error",
+        pluginId: record.id,
+        source: record.source,
+        message: `channel already registered: ${id} (${existing.pluginId})`,
+      });
+      return;
+    }
     record.channelIds.push(id);
     registry.channels.push({
       pluginId: record.id,