Todo を追跡する

import { query } from "@anthropic-ai/claude-agent-sdk";

try {
  for await (const message of query({
    prompt: "Create a static website with a home page, an about page, and a shared stylesheet, and track progress with todos",
    // Keeps the Task tools on models where Claude Code otherwise doesn't provide them.
    options: { maxTurns: 15, permissionMode: "acceptEdits", env: { ...process.env, CLAUDE_CODE_ENABLE_TODO_TOOLS: "1" } },
  })) {
    if (message.type !== "assistant") continue;
    for (const block of message.message.content) {
      if (block.type !== "tool_use") continue;
      if (block.name === "TaskCreate") {
        const input = block.input as { subject: string };
        console.log(`+ ${input.subject}`);
      } else if (block.name === "TaskUpdate") {
        const input = block.input as {
          taskId?: string;
          id?: string;
          task_id?: string;
          status?: string;
        };
        const taskId = input.taskId ?? input.id ?? input.task_id;
        if (taskId && input.status) console.log(`  ${taskId} -> ${input.status}`);
      }
    }
  }
} catch (error) {
  // A single-shot query() throws after yielding an error result.
  console.log(`Session ended with an error: ${error}`);
}

import asyncio

from claude_agent_sdk import query, ClaudeAgentOptions, AssistantMessage, ToolUseBlock

async def main():
    try:
        async for message in query(
            prompt="Create a static website with a home page, an about page, and a shared stylesheet, and track progress with todos",
            # Keeps the Task tools on models where Claude Code otherwise doesn't provide them.
            options=ClaudeAgentOptions(max_turns=15, permission_mode="acceptEdits", env={"CLAUDE_CODE_ENABLE_TODO_TOOLS": "1"}),
        ):
            if not isinstance(message, AssistantMessage):
                continue
            for block in message.content:
                if not isinstance(block, ToolUseBlock):
                    continue
                if block.name == "TaskCreate":
                    print(f"+ {block.input.get('subject', '')}")
                elif block.name == "TaskUpdate" and block.input.get("status"):
                    task_id = (
                        block.input.get("taskId")
                        or block.input.get("id")
                        or block.input.get("task_id")
                    )
                    if task_id:
                        print(f"  {task_id} -> {block.input['status']}")
    except Exception as error:
        # A single-shot query() raises after yielding an error result.
        print(f"Session ended with an error: {error}")


asyncio.run(main())

import { query } from "@anthropic-ai/claude-agent-sdk";

type Task = { subject: string; activeForm?: string; status: string };

class TaskTracker {
  private tasks = new Map<string, Task>();
  private pendingCreates = new Map<string, { subject: string; activeForm?: string }>();

  displayProgress() {
    if (this.tasks.size === 0) {
      console.log("\nProgress: no open tasks\n");
      return;
    }

    const items = [...this.tasks.values()];
    const completed = items.filter((t) => t.status === "completed").length;
    const inProgress = items.filter((t) => t.status === "in_progress").length;

    console.log(`\nProgress: ${completed}/${this.tasks.size} completed`);
    console.log(`Currently working on: ${inProgress} task(s)\n`);

    for (const [id, task] of this.tasks) {
      const icon =
        task.status === "completed" ? "✅" : task.status === "in_progress" ? "🔧" : "❌";
      const text = task.status === "in_progress" && task.activeForm ? task.activeForm : task.subject;
      console.log(`${id}. ${icon} ${text}`);
    }
  }

  handleToolUse(block: { id: string; name: string; input: unknown }) {
    if (block.name === "TaskCreate") {
      const input = block.input as { subject: string; activeForm?: string; active_form?: string };
      this.pendingCreates.set(block.id, {
        subject: input.subject,
        activeForm: input.activeForm ?? input.active_form,
      });
    } else if (block.name === "TaskUpdate") {
      const input = block.input as {
        taskId?: string;
        id?: string;
        task_id?: string;
        status?: string;
        activeForm?: string;
        active_form?: string;
      };
      const taskId = input.taskId ?? input.id ?? input.task_id;
      if (!taskId) return;
      if (input.status === "deleted") {
        this.tasks.delete(taskId);
        this.displayProgress();
        return;
      }
      const task = this.tasks.get(taskId);
      if (!task) return;
      if (input.status) task.status = input.status;
      const active = input.activeForm ?? input.active_form;
      if (active) task.activeForm = active;
      this.displayProgress();
    }
  }

  handleToolResult(block: { tool_use_id: string; is_error?: boolean }, result: unknown) {
    const create = this.pendingCreates.get(block.tool_use_id);
    if (!create) return;
    this.pendingCreates.delete(block.tool_use_id);
    if (block.is_error) return;
    // The result's user message carries the tool's structured output as
    // tool_use_result; for TaskCreate that's TaskCreateOutput,
    // { task: { id, subject } }.
    const out = result as { task?: { id: string } };
    if (!out?.task?.id) return;
    this.tasks.set(out.task.id, { ...create, status: "pending" });
    this.displayProgress();
  }

  async trackQuery(prompt: string) {
    try {
      for await (const message of query({
        prompt,
        options: { maxTurns: 20, permissionMode: "acceptEdits", env: { ...process.env, CLAUDE_CODE_ENABLE_TODO_TOOLS: "1" } },
      })) {
        if (message.type === "assistant") {
          for (const block of message.message.content) {
            if (block.type === "tool_use") this.handleToolUse(block);
          }
        }
        if (message.type === "user" && Array.isArray(message.message.content)) {
          for (const block of message.message.content) {
            if (block.type === "tool_result") this.handleToolResult(block, message.tool_use_result);
          }
        }
      }
    } catch (error) {
      // A single-shot query() throws after yielding an error result,
      // such as when the maxTurns limit is hit.
      console.log(`Session ended with an error: ${error}`);
    }
  }
}

// Usage
const tracker = new TaskTracker();
await tracker.trackQuery("Build a complete authentication system with todos");

import asyncio

from claude_agent_sdk import (
    query,
    ClaudeAgentOptions,
    AssistantMessage,
    UserMessage,
    ToolUseBlock,
    ToolResultBlock,
)


class TaskTracker:
    def __init__(self):
        self.tasks: dict[str, dict] = {}
        self.pending_creates: dict[str, dict] = {}

    def display_progress(self):
        if not self.tasks:
            print("\nProgress: no open tasks\n")
            return

        completed = len([t for t in self.tasks.values() if t["status"] == "completed"])
        in_progress = len([t for t in self.tasks.values() if t["status"] == "in_progress"])

        print(f"\nProgress: {completed}/{len(self.tasks)} completed")
        print(f"Currently working on: {in_progress} task(s)\n")

        for task_id, task in self.tasks.items():
            icon = (
                "✅"
                if task["status"] == "completed"
                else "🔧"
                if task["status"] == "in_progress"
                else "❌"
            )
            text = (
                task["activeForm"]
                if task["status"] == "in_progress" and task.get("activeForm")
                else task["subject"]
            )
            print(f"{task_id}. {icon} {text}")

    def handle_tool_use(self, block: ToolUseBlock):
        if block.name == "TaskCreate":
            self.pending_creates[block.id] = {
                "subject": block.input.get("subject", ""),
                "activeForm": block.input.get("activeForm") or block.input.get("active_form"),
            }
        elif block.name == "TaskUpdate":
            task_id = (
                block.input.get("taskId")
                or block.input.get("id")
                or block.input.get("task_id")
            )
            if not task_id:
                return
            if block.input.get("status") == "deleted":
                self.tasks.pop(task_id, None)
                self.display_progress()
                return
            task = self.tasks.get(task_id)
            if not task:
                return
            if block.input.get("status"):
                task["status"] = block.input["status"]
            active = block.input.get("activeForm") or block.input.get("active_form")
            if active:
                task["activeForm"] = active
            self.display_progress()

    def handle_tool_result(self, block: ToolResultBlock, tool_use_result):
        create = self.pending_creates.pop(block.tool_use_id, None)
        if create is None or block.is_error:
            return
        # The result's user message carries the tool's structured output as
        # tool_use_result; for TaskCreate that's {"task": {"id": ..., "subject": ...}}.
        task = (tool_use_result or {}).get("task") or {}
        if not task.get("id"):
            return
        self.tasks[task["id"]] = {**create, "status": "pending"}
        self.display_progress()

    async def track_query(self, prompt: str):
        try:
            async for message in query(
                prompt=prompt,
                options=ClaudeAgentOptions(
                    max_turns=20,
                    permission_mode="acceptEdits",
                    env={"CLAUDE_CODE_ENABLE_TODO_TOOLS": "1"},
                ),
            ):
                if isinstance(message, AssistantMessage):
                    for block in message.content:
                        if isinstance(block, ToolUseBlock):
                            self.handle_tool_use(block)
                if isinstance(message, UserMessage) and isinstance(message.content, list):
                    for block in message.content:
                        if isinstance(block, ToolResultBlock):
                            self.handle_tool_result(block, message.tool_use_result)
        except Exception as error:
            # A single-shot query() raises after yielding an error result,
            # such as when the max_turns limit is hit.
            print(f"Session ended with an error: {error}")


# Usage
async def main():
    tracker = TaskTracker()
    await tracker.track_query("Build a complete authentication system with todos")


asyncio.run(main())