refactor(runtime): consolidate followup, gateway, and provider dedupe paths

src/auto-reply/reply/followup-runner.test.ts

@@ -148,6 +148,27 @@ describe("createFollowupRunner compaction", () => {
 });
 
 describe("createFollowupRunner messaging tool dedupe", () => {
+  function createMessagingDedupeRunner(
+    onBlockReply: (payload: unknown) => Promise<void>,
+    overrides: Partial<{
+      sessionEntry: SessionEntry;
+      sessionStore: Record<string, SessionEntry>;
+      sessionKey: string;
+      storePath: string;
+    }> = {},
+  ) {
+    return createFollowupRunner({
+      opts: { onBlockReply },
+      typing: createMockTypingController(),
+      typingMode: "instant",
+      defaultModel: "anthropic/claude-opus-4-5",
+      sessionEntry: overrides.sessionEntry,
+      sessionStore: overrides.sessionStore,
+      sessionKey: overrides.sessionKey,
+      storePath: overrides.storePath,
+    });
+  }
+
   it("drops payloads already sent via messaging tool", async () => {
     const onBlockReply = vi.fn(async () => {});
     runEmbeddedPiAgentMock.mockResolvedValueOnce({
@@ -156,12 +177,7 @@ describe("createFollowupRunner messaging tool dedupe", () => {
       meta: {},
     });
 
-    const runner = createFollowupRunner({
-      opts: { onBlockReply },
-      typing: createMockTypingController(),
-      typingMode: "instant",
-      defaultModel: "anthropic/claude-opus-4-5",
-    });
+    const runner = createMessagingDedupeRunner(onBlockReply);
 
     await runner(baseQueuedRun());
 
@@ -176,12 +192,7 @@ describe("createFollowupRunner messaging tool dedupe", () => {
       meta: {},
     });
 
-    const runner = createFollowupRunner({
-      opts: { onBlockReply },
-      typing: createMockTypingController(),
-      typingMode: "instant",
-      defaultModel: "anthropic/claude-opus-4-5",
-    });
+    const runner = createMessagingDedupeRunner(onBlockReply);
 
     await runner(baseQueuedRun());
 
@@ -197,12 +208,7 @@ describe("createFollowupRunner messaging tool dedupe", () => {
       meta: {},
     });
 
-    const runner = createFollowupRunner({
-      opts: { onBlockReply },
-      typing: createMockTypingController(),
-      typingMode: "instant",
-      defaultModel: "anthropic/claude-opus-4-5",
-    });
+    const runner = createMessagingDedupeRunner(onBlockReply);
 
     await runner(baseQueuedRun("slack"));
 
@@ -217,12 +223,7 @@ describe("createFollowupRunner messaging tool dedupe", () => {
       meta: {},
     });
 
-    const runner = createFollowupRunner({
-      opts: { onBlockReply },
-      typing: createMockTypingController(),
-      typingMode: "instant",
-      defaultModel: "anthropic/claude-opus-4-5",
-    });
+    const runner = createMessagingDedupeRunner(onBlockReply);
 
     await runner(baseQueuedRun());
 
@@ -238,12 +239,7 @@ describe("createFollowupRunner messaging tool dedupe", () => {
       meta: {},
     });
 
-    const runner = createFollowupRunner({
-      opts: { onBlockReply },
-      typing: createMockTypingController(),
-      typingMode: "instant",
-      defaultModel: "anthropic/claude-opus-4-5",
-    });
+    const runner = createMessagingDedupeRunner(onBlockReply);
 
     await runner(baseQueuedRun());
 
@@ -275,15 +271,11 @@ describe("createFollowupRunner messaging tool dedupe", () => {
       },
     });
 
-    const runner = createFollowupRunner({
-      opts: { onBlockReply },
-      typing: createMockTypingController(),
-      typingMode: "instant",
+    const runner = createMessagingDedupeRunner(onBlockReply, {
       sessionEntry,
       sessionStore,
       sessionKey,
       storePath,
-      defaultModel: "anthropic/claude-opus-4-5",
     });
 
     await runner(baseQueuedRun("slack"));

src/auto-reply/reply/queue/enqueue.ts

@@ -1,5 +1,5 @@
 import { applyQueueDropPolicy, shouldSkipQueueItem } from "../../../utils/queue-helpers.js";
-import { FOLLOWUP_QUEUES, getFollowupQueue } from "./state.js";
+import { getExistingFollowupQueue, getFollowupQueue } from "./state.js";
 import type { FollowupRun, QueueDedupeMode, QueueSettings } from "./types.js";
 
 function isRunAlreadyQueued(
@@ -57,11 +57,7 @@ export function enqueueFollowupRun(
 }
 
 export function getFollowupQueueDepth(key: string): number {
-  const cleaned = key.trim();
-  if (!cleaned) {
-    return 0;
-  }
-  const queue = FOLLOWUP_QUEUES.get(cleaned);
+  const queue = getExistingFollowupQueue(key);
   if (!queue) {
     return 0;
   }

src/auto-reply/reply/queue/state.ts

@@ -20,6 +20,14 @@ export const DEFAULT_QUEUE_DROP: QueueDropPolicy = "summarize";
 
 export const FOLLOWUP_QUEUES = new Map<string, FollowupQueueState>();
 
+export function getExistingFollowupQueue(key: string): FollowupQueueState | undefined {
+  const cleaned = key.trim();
+  if (!cleaned) {
+    return undefined;
+  }
+  return FOLLOWUP_QUEUES.get(cleaned);
+}
+
 export function getFollowupQueue(key: string, settings: QueueSettings): FollowupQueueState {
   const existing = FOLLOWUP_QUEUES.get(key);
   if (existing) {
@@ -57,10 +65,7 @@ export function getFollowupQueue(key: string, settings: QueueSettings): Followup
 
 export function clearFollowupQueue(key: string): number {
   const cleaned = key.trim();
-  if (!cleaned) {
-    return 0;
-  }
-  const queue = FOLLOWUP_QUEUES.get(cleaned);
+  const queue = getExistingFollowupQueue(cleaned);
   if (!queue) {
     return 0;
   }