fix(ci): align strict nullable typing across channels and ui

extensions/imessage/src/channel.ts

@@ -182,13 +182,14 @@ export const imessagePlugin: ChannelPlugin<ResolvedIMessageAccount> = {
         accountId,
         name: input.name,
       });
-      const next =
+      const next = (
         accountId !== DEFAULT_ACCOUNT_ID
           ? migrateBaseNameToDefaultAccount({
               cfg: namedConfig,
               channelKey: "imessage",
             })
-          : namedConfig;
+          : namedConfig
+      ) as typeof cfg;
       if (accountId === DEFAULT_ACCOUNT_ID) {
         return {
           ...next,
@@ -200,7 +201,7 @@ export const imessagePlugin: ChannelPlugin<ResolvedIMessageAccount> = {
               ...buildIMessageSetupPatch(input),
             },
           },
-        };
+        } as typeof cfg;
       }
       return {
         ...next,
@@ -219,7 +220,7 @@ export const imessagePlugin: ChannelPlugin<ResolvedIMessageAccount> = {
             },
           },
         },
-      };
+      } as typeof cfg;
     },
   },
   outbound: {
@@ -232,9 +233,9 @@ export const imessagePlugin: ChannelPlugin<ResolvedIMessageAccount> = {
         cfg,
         to,
         text,
-        accountId,
+        accountId: accountId ?? undefined,
         deps,
-        replyToId,
+        replyToId: replyToId ?? undefined,
       });
       return { channel: "imessage", ...result };
     },
@@ -244,9 +245,9 @@ export const imessagePlugin: ChannelPlugin<ResolvedIMessageAccount> = {
         to,
         text,
         mediaUrl,
-        accountId,
+        accountId: accountId ?? undefined,
         deps,
-        replyToId,
+        replyToId: replyToId ?? undefined,
       });
       return { channel: "imessage", ...result };
     },

extensions/signal/src/channel.ts

@@ -265,7 +265,7 @@ export const signalPlugin: ChannelPlugin<ResolvedSignalAccount> = {
         cfg,
         to,
         text,
-        accountId,
+        accountId: accountId ?? undefined,
         deps,
       });
       return { channel: "signal", ...result };
@@ -276,7 +276,7 @@ export const signalPlugin: ChannelPlugin<ResolvedSignalAccount> = {
         to,
         text,
         mediaUrl,
-        accountId,
+        accountId: accountId ?? undefined,
         deps,
       });
       return { channel: "signal", ...result };

extensions/slack/src/channel.ts

@@ -69,8 +69,8 @@ function resolveSlackSendContext(params: {
   cfg: Parameters<typeof resolveSlackAccount>[0]["cfg"];
   accountId?: string;
   deps?: { sendSlack?: SlackSendFn };
-  replyToId?: string | null;
-  threadId?: string | null;
+  replyToId?: string | number | null;
+  threadId?: string | number | null;
 }) {
   const send = params.deps?.sendSlack ?? getSlackRuntime().channel.slack.sendMessageSlack;
   const account = resolveSlackAccount({ cfg: params.cfg, accountId: params.accountId });
@@ -359,7 +359,7 @@ export const slackPlugin: ChannelPlugin<ResolvedSlackAccount> = {
     sendText: async ({ to, text, accountId, deps, replyToId, threadId, cfg }) => {
       const { send, threadTsValue, tokenOverride } = resolveSlackSendContext({
         cfg,
-        accountId,
+        accountId: accountId ?? undefined,
         deps,
         replyToId,
         threadId,
@@ -374,7 +374,7 @@ export const slackPlugin: ChannelPlugin<ResolvedSlackAccount> = {
     sendMedia: async ({ to, text, mediaUrl, accountId, deps, replyToId, threadId, cfg }) => {
       const { send, threadTsValue, tokenOverride } = resolveSlackSendContext({
         cfg,
-        accountId,
+        accountId: accountId ?? undefined,
         deps,
         replyToId,
         threadId,

extensions/synology-chat/src/channel.integration.test.ts

@@ -1,3 +1,4 @@
+import type { IncomingMessage, ServerResponse } from "node:http";
 import { beforeEach, describe, expect, it, vi } from "vitest";
 import { makeFormBody, makeReq, makeRes } from "./test-http-utils.js";
 

ui/src/ui/controllers/config/form-utils.node.test.ts

@@ -110,10 +110,11 @@ describe("form-utils preserves numeric types", () => {
     const raw = serializeConfigForm(form);
     const parsed = JSON.parse(raw);
     const model = parsed.models.providers.xai.models[0] as Record<string, unknown>;
+    const cost = model.cost as Record<string, unknown>;
 
     expectNumericModelCore(model);
-    expect(typeof model.cost.input).toBe("number");
-    expect(model.cost.input).toBe(0.5);
+    expect(typeof cost.input).toBe("number");
+    expect(cost.input).toBe(0.5);
   });
 
   it("cloneConfigObject + setPathValue preserves unrelated numeric fields", () => {

ui/src/ui/views/nodes.ts

@@ -218,10 +218,10 @@ function renderTokenRow(deviceId: string, token: DeviceTokenSummary, props: Node
 
 type BindingAgent = {
   id: string;
-  name?: string;
+  name: string | undefined;
   index: number;
   isDefault: boolean;
-  binding?: string | null;
+  binding: string | null;
 };
 
 type BindingNode = NodeTargetOption;

ui/src/ui/views/usage-render-details.test.ts

@@ -28,6 +28,10 @@ const baseUsage = {
   output: 400,
   cacheRead: 200,
   cacheWrite: 100,
+  inputCost: 0.3,
+  outputCost: 0.4,
+  cacheReadCost: 0.2,
+  cacheWriteCost: 0.1,
   durationMs: 60000,
   firstActivity: 0,
   lastActivity: 60000,