fix: preserve telegram exec approval topic routing

src/auto-reply/reply/agent-runner-utils.test.ts

@@ -3,7 +3,8 @@ import type { FollowupRun } from "./queue.js";
 
 const hoisted = vi.hoisted(() => {
   const resolveRunModelFallbacksOverrideMock = vi.fn();
-  return { resolveRunModelFallbacksOverrideMock };
+  const getChannelPluginMock = vi.fn();
+  return { resolveRunModelFallbacksOverrideMock, getChannelPluginMock };
 });
 
 vi.mock("../../agents/agent-scope.js", () => ({
@@ -11,6 +12,10 @@ vi.mock("../../agents/agent-scope.js", () => ({
     hoisted.resolveRunModelFallbacksOverrideMock(...args),
 }));
 
+vi.mock("../../channels/plugins/index.js", () => ({
+  getChannelPlugin: (...args: unknown[]) => hoisted.getChannelPluginMock(...args),
+}));
+
 const {
   buildThreadingToolContext,
   buildEmbeddedRunBaseParams,
@@ -46,6 +51,7 @@ function makeRun(overrides: Partial<FollowupRun["run"]> = {}): FollowupRun["run"
 describe("agent-runner-utils", () => {
   beforeEach(() => {
     hoisted.resolveRunModelFallbacksOverrideMock.mockClear();
+    hoisted.getChannelPluginMock.mockReset();
   });
 
   it("resolves model fallback options from run context", () => {
@@ -175,7 +181,24 @@ describe("agent-runner-utils", () => {
     expect(resolved.embeddedContext.messageTo).toBe("268300329");
   });
 
-  it("uses OriginatingTo for telegram native command tool context without implicit thread state", () => {
+  it("uses telegram plugin threading context for native commands", () => {
+    hoisted.getChannelPluginMock.mockReturnValue({
+      threading: {
+        buildToolContext: ({
+          context,
+          hasRepliedRef,
+        }: {
+          context: { To?: string; MessageThreadId?: string | number };
+          hasRepliedRef?: { value: boolean };
+        }) => ({
+          currentChannelId: context.To?.trim() || undefined,
+          currentThreadTs:
+            context.MessageThreadId != null ? String(context.MessageThreadId) : undefined,
+          hasRepliedRef,
+        }),
+      },
+    });
+
     const context = buildThreadingToolContext({
       sessionCtx: {
         Provider: "telegram",
@@ -191,9 +214,9 @@ describe("agent-runner-utils", () => {
 
     expect(context).toMatchObject({
       currentChannelId: "telegram:-1003841603622",
+      currentThreadTs: "928",
       currentMessageId: "2284",
     });
-    expect(context.currentThreadTs).toBeUndefined();
   });
 
   it("uses OriginatingTo for threading tool context on discord native commands", () => {

src/infra/outbound/targets.test.ts

@@ -798,6 +798,25 @@ describe("resolveSessionDeliveryTarget — cross-channel reply guard (#24152)",
     expect(resolved.threadId).toBe(1122);
   });
 
+  it("keeps Telegram topic thread routing when turnSourceTo uses the plugin-owned topic target", () => {
+    const resolved = resolveSessionDeliveryTarget({
+      entry: {
+        sessionId: "sess-forum-topic-scoped",
+        updatedAt: 1,
+        lastChannel: "telegram",
+        lastTo: "telegram:-1001234567890:topic:1122",
+        lastThreadId: 1122,
+      },
+      requestedChannel: "last",
+      turnSourceChannel: "telegram",
+      turnSourceTo: "telegram:-1001234567890:topic:1122",
+    });
+
+    expect(resolved.channel).toBe("telegram");
+    expect(resolved.to).toBe("telegram:-1001234567890:topic:1122");
+    expect(resolved.threadId).toBe(1122);
+  });
+
   it("does not fall back to session lastThreadId when turnSourceChannel differs from session channel", () => {
     const resolved = resolveSessionDeliveryTarget({
       entry: {