feat(todo-continuation-enforcer): include remaining todo list in system reminder

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

@@ -367,6 +367,101 @@ describe("todo-continuation-enforcer", () => {
     expect(toastCalls[0].message).toContain("2s")
   })
 
+  test("should include remaining todo list in continuation prompt", async () => {
+    // #given - session with multiple incomplete todos
+    const sessionID = "main-todo-list"
+    setMainSession(sessionID)
+
+    const mockInput = createMockPluginInput()
+    mockInput.client.session.todo = async () => ({ data: [
+      { id: "1", content: "Fix authentication bug", status: "pending", priority: "high" },
+      { id: "2", content: "Add unit tests", status: "in_progress", priority: "medium" },
+      { id: "3", content: "Update documentation", status: "completed", priority: "low" },
+      { id: "4", content: "Review code changes", status: "pending", priority: "high" },
+    ]})
+
+    const hook = createTodoContinuationEnforcer(mockInput, {
+      backgroundManager: createMockBackgroundManager(false),
+    })
+
+    // #when - session goes idle and countdown completes
+    await hook.handler({
+      event: { type: "session.idle", properties: { sessionID } },
+    })
+    await new Promise(r => setTimeout(r, 2500))
+
+    // #then - continuation prompt should include the remaining todo items
+    expect(promptCalls.length).toBe(1)
+    const promptText = promptCalls[0].text
+
+    // Should contain status summary
+    expect(promptText).toContain("[Status: 1/4 completed, 3 remaining]")
+
+    // Should contain remaining todos section
+    expect(promptText).toContain("Remaining Tasks:")
+
+    // Should list pending tasks with content
+    expect(promptText).toContain("Fix authentication bug")
+    expect(promptText).toContain("Add unit tests")
+    expect(promptText).toContain("Review code changes")
+
+    // Should NOT include completed task
+    expect(promptText).not.toContain("Update documentation")
+
+    // Should include status indicators (🔄 for in_progress, ⏳ for pending)
+    expect(promptText).toContain("🔄")
+    expect(promptText).toContain("⏳")
+
+    // Should include priority labels with correct format
+    expect(promptText).toContain("[HIGH]")
+    expect(promptText).toContain("[MED]")
+
+    // Should have complete formatted entries
+    expect(promptText).toContain("🔄 [MED] Add unit tests")
+    expect(promptText).toContain("⏳ [HIGH] Fix authentication bug")
+    expect(promptText).toContain("⏳ [HIGH] Review code changes")
+  })
+
+  test("should handle undefined priority gracefully", async () => {
+    // #given - session with todos that have undefined/missing priority
+    const sessionID = "main-undefined-priority"
+    setMainSession(sessionID)
+
+    const mockInput = createMockPluginInput()
+    mockInput.client.session.todo = async () => ({ data: [
+      { id: "1", content: "Task with no priority", status: "pending", priority: undefined },
+      { id: "2", content: "Task with null priority", status: "pending", priority: null },
+      { id: "3", content: "Task with empty priority", status: "in_progress", priority: "" },
+      { id: "4", content: "Normal high priority", status: "pending", priority: "high" },
+    ]})
+
+    const hook = createTodoContinuationEnforcer(mockInput, {
+      backgroundManager: createMockBackgroundManager(false),
+    })
+
+    // #when - session goes idle and countdown completes
+    await hook.handler({
+      event: { type: "session.idle", properties: { sessionID } },
+    })
+    await new Promise(r => setTimeout(r, 2500))
+
+    // #then - should handle undefined priority with [NONE] label
+    expect(promptCalls.length).toBe(1)
+    const promptText = promptCalls[0].text
+
+    // Should contain all tasks
+    expect(promptText).toContain("Task with no priority")
+    expect(promptText).toContain("Task with null priority")
+    expect(promptText).toContain("Task with empty priority")
+    expect(promptText).toContain("Normal high priority")
+
+    // Should have [NONE] for undefined/null/empty priorities
+    expect(promptText).toContain("[NONE]")
+
+    // Should still have [HIGH] for the normal priority task
+    expect(promptText).toContain("[HIGH]")
+  })
+
   test("should not have 10s throttle between injections", async () => {
     // #given - new hook instance (no prior state)
     const sessionID = "main-no-throttle"

src/hooks/todo-continuation-enforcer.ts

@@ -85,6 +85,30 @@ function isLastAssistantMessageAborted(messages: Array<{ info?: MessageInfo }>):
   return errorName === "MessageAbortedError" || errorName === "AbortError"
 }
 
+function getIncompleteTodos(todos: Todo[]): Todo[] {
+  return todos.filter(t => t.status !== "completed" && t.status !== "cancelled")
+}
+
+function formatRemainingTodos(todos: Todo[]): string {
+  const incompleteTodos = getIncompleteTodos(todos)
+  if (incompleteTodos.length === 0) return ""
+
+  const lines = incompleteTodos.map((todo, idx) => {
+    const statusIndicator = todo.status === "in_progress" ? "🔄" : "⏳"
+    const priorityLabel =
+      todo.priority === "high"
+        ? "[HIGH]"
+        : todo.priority === "medium"
+          ? "[MED]"
+          : todo.priority === "low"
+            ? "[LOW]"
+            : "[NONE]"
+    return `  ${idx + 1}. ${statusIndicator} ${priorityLabel} ${todo.content}`
+  })
+
+  return `\n\nRemaining Tasks:\n${lines.join("\n")}`
+}
+
 export function createTodoContinuationEnforcer(
   ctx: PluginInput,
   options: TodoContinuationEnforcerOptions = {}
@@ -198,7 +222,7 @@ export function createTodoContinuationEnforcer(
       return
     }
 
-    const prompt = `${CONTINUATION_PROMPT}\n\n[Status: ${todos.length - freshIncompleteCount}/${todos.length} completed, ${freshIncompleteCount} remaining]`
+    const prompt = `${CONTINUATION_PROMPT}\n\n[Status: ${todos.length - freshIncompleteCount}/${todos.length} completed, ${freshIncompleteCount} remaining]${formatRemainingTodos(todos)}`
 
     const modelField = prevMessage?.model?.providerID && prevMessage?.model?.modelID
       ? { providerID: prevMessage.model.providerID, modelID: prevMessage.model.modelID }