fix(todo-continuation): avoid duplicate progress reset

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/hooks/todo-continuation-enforcer/idle-event.test.ts

@@ -0,0 +1,99 @@
+/// <reference types="bun-types" />
+
+import { describe, expect, it } from "bun:test"
+
+import { handleSessionIdle } from "./idle-event"
+import type { SessionStateStore } from "./session-state"
+import type { ContinuationProgressUpdate, SessionState } from "./types"
+
+function createStateStore(): {
+  store: SessionStateStore
+  resetCalls: string[]
+} {
+  const state: SessionState = {
+    stagnationCount: 0,
+    consecutiveFailures: 0,
+  }
+  const resetCalls: string[] = []
+  const progressUpdate: ContinuationProgressUpdate = {
+    previousStagnationCount: 0,
+    stagnationCount: 0,
+    hasProgressed: false,
+    progressSource: "none",
+  }
+
+  return {
+    resetCalls,
+    store: {
+      getState: () => state,
+      getExistingState: () => state,
+      startPruneInterval: () => {},
+      recordActivity: () => {},
+      trackContinuationProgress: () => progressUpdate,
+      resetContinuationProgress: (sessionID: string) => {
+        resetCalls.push(sessionID)
+      },
+      cancelCountdown: () => {},
+      cleanup: () => {},
+      cancelAllCountdowns: () => {},
+      shutdown: () => {},
+    },
+  }
+}
+
+describe("handleSessionIdle", () => {
+  it("resets continuation progress once when todos are empty", async () => {
+    // given
+    const sessionID = "ses_empty_todos"
+    const { store, resetCalls } = createStateStore()
+    const ctx = {
+      client: {
+        session: {
+          messages: async () => ({ data: [] }),
+          todo: async () => ({ data: [] }),
+        },
+      },
+      directory: "/tmp/test",
+    }
+
+    // when
+    await handleSessionIdle({
+      ctx: ctx as never,
+      sessionID,
+      sessionStateStore: store,
+    })
+
+    // then
+    expect(resetCalls).toEqual([sessionID])
+  })
+
+  it("resets continuation progress once when every todo is complete", async () => {
+    // given
+    const sessionID = "ses_completed_todos"
+    const { store, resetCalls } = createStateStore()
+    const ctx = {
+      client: {
+        session: {
+          messages: async () => ({ data: [] }),
+          todo: async () => ({
+            data: [
+              { id: "todo-1", content: "Ship", status: "completed", priority: "high" },
+              { id: "todo-2", content: "Verify", status: "completed", priority: "medium" },
+            ],
+          }),
+        },
+      },
+      directory: "/tmp/test",
+    }
+
+    // when
+    await handleSessionIdle({
+      ctx: ctx as never,
+      sessionID,
+      sessionStateStore: store,
+    })
+
+    // then
+    expect(resetCalls).toEqual([sessionID])
+  })
+})

src/hooks/todo-continuation-enforcer/idle-event.ts

@@ -108,7 +108,6 @@ export async function handleSessionIdle(args: {
   }
 
   if (!todos || todos.length === 0) {
-    sessionStateStore.resetContinuationProgress(sessionID)
     sessionStateStore.resetContinuationProgress(sessionID)
     log(`[${HOOK_NAME}] No todos`, { sessionID })
     return
@@ -116,7 +115,6 @@ export async function handleSessionIdle(args: {
 
   const incompleteCount = getIncompleteCount(todos)
   if (incompleteCount === 0) {
-    sessionStateStore.resetContinuationProgress(sessionID)
     sessionStateStore.resetContinuationProgress(sessionID)
     log(`[${HOOK_NAME}] All todos complete`, { sessionID, total: todos.length })
     return