d856dfd28c
Move duplicated files from chat + batch-agent into shared/: - shared/ws_context.py — Redis-based tool call round-trip - shared/llm.py — LiteLLM factory (get_llm, embed) - shared/agents/ — 4 domain agents (task, note, project, timeline) Update all service imports to use shared.* instead of app.*. Delete 12 duplicated files across both services.
240 lines
7.8 KiB
Python
240 lines
7.8 KiB
Python
"""Task agent — full CRUD for tasks and task comments.
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Shared tool definitions used by both Chat and Batch Agent services.
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"""
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from __future__ import annotations
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from datetime import datetime, timezone
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import re
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from typing import Any
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from langchain_core.tools import tool
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from shared.ws_context import execute_on_client
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_UUID_RE = re.compile(
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r"^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-5][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}$"
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)
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def _is_uuid(value: str) -> bool:
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return bool(_UUID_RE.match(value))
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TASK_SYSTEM_PROMPT = (
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"You are a task management assistant for a project workspace.\n"
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"You create, update, list, and track tasks and their comments.\n\n"
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"Rules:\n"
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" - status must be one of: todo, in_progress, done\n"
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" - priority must be one of: high, medium, low\n"
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" - due_date is a Unix timestamp in milliseconds; convert human dates\n"
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" - assignees is a JSON-encoded array of strings (e.g. '[\"Alice\",\"Bob\"]')\n"
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" - project_id is optional; link to a project when the user mentions one\n"
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" - is_ai_suggested: 1 only when proactively proposing a task the user\n"
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" did not explicitly request; 0 otherwise\n"
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" - Use list_tasks_due_today for 'what's due today' queries\n"
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" - For update_task, use -1 for integer fields you do not want to change\n"
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" - Always confirm the action in plain, user-friendly language."
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)
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# ── Task tools ────────────────────────────────────────────────────────
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@tool
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async def list_tasks(
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project_id: str = "",
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status: str = "",
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search: str = "",
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order_by: str = "",
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) -> str:
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"""List tasks, optionally filtered by project_id, status (todo|in_progress|done),
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a search string, or an order_by field name (dueDate|priority|createdAt)."""
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normalized_project_id = project_id if (project_id and _is_uuid(project_id)) else ""
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result = await execute_on_client(
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action="select",
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table="tasks",
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filters={
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"projectId": normalized_project_id or None,
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"status": status or None,
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"search": search or None,
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"orderBy": order_by or None,
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},
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)
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rows = result.get("rows", [])
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if not rows:
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return "No tasks found matching the given filters."
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lines = [
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f"- {r['title']} (status: {r['status']}, priority: {r['priority']}, id: {r['id']})"
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for r in rows
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]
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return f"Found {len(rows)} task(s):\n" + "\n".join(lines)
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@tool
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async def create_task(
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title: str,
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description: str = "",
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status: str = "todo",
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priority: str = "medium",
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assignees: str = "[]",
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due_date: int = 0,
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project_id: str = "",
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is_ai_suggested: int = 0,
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) -> str:
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"""Create a new task.
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title: task title (required)
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description: optional details
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status: todo | in_progress | done (default: todo)
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priority: high | medium | low (default: medium)
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assignees: JSON-encoded array of assignee names, e.g. '["Alice"]'
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due_date: Unix timestamp in milliseconds; 0 means no due date
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project_id: optional UUID of the parent project
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is_ai_suggested: 1 if proactively suggested, 0 if user-requested
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"""
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result = await execute_on_client(
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action="insert",
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table="tasks",
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data={
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"title": title,
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"description": description or None,
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"status": status,
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"priority": priority,
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"assignee": assignees,
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"dueDate": due_date or None,
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"projectId": project_id or None,
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"isAiSuggested": is_ai_suggested,
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},
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)
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row = result["row"]
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return (
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f"Task created: '{row['title']}' "
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f"(id: {row['id']}, status: {row['status']}, priority: {row['priority']})"
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)
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@tool
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async def update_task(
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task_id: str,
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title: str = "",
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description: str = "",
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status: str = "",
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priority: str = "",
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assignees: str = "",
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due_date: int = -1,
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project_id: str = "",
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) -> str:
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"""Update fields on an existing task. Only pass fields you want to change.
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task_id: the task's UUID (required)
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due_date: -1 means unchanged; 0 clears the due date; any positive value sets it
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"""
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updates: dict[str, Any] = {}
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if title:
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updates["title"] = title
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if description:
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updates["description"] = description
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if status:
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updates["status"] = status
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if priority:
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updates["priority"] = priority
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if assignees:
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updates["assignee"] = assignees
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if due_date != -1:
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updates["dueDate"] = due_date or None
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if project_id:
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updates["projectId"] = project_id
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result = await execute_on_client(
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action="update",
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table="tasks",
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data={"id": task_id, "updates": updates},
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)
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row = result["row"]
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return f"Task updated: '{row['title']}' (id: {row['id']}, status: {row['status']})"
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@tool
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async def delete_task(task_id: str) -> str:
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"""Delete a task permanently by its UUID."""
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await execute_on_client(action="delete", table="tasks", data={"id": task_id})
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return f"Task {task_id} deleted."
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@tool
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async def list_tasks_due_today() -> str:
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"""List all tasks whose due date falls on today's date."""
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now = datetime.now(tz=timezone.utc)
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start_ms = int(datetime(now.year, now.month, now.day, tzinfo=timezone.utc).timestamp() * 1000)
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end_ms = start_ms + 86_400_000 - 1 # last ms of today
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result = await execute_on_client(
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action="select",
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table="tasks",
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filters={"dueDateFrom": start_ms, "dueDateTo": end_ms},
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)
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rows = result.get("rows", [])
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if not rows:
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return "No tasks are due today."
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lines = [
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f"- {r['title']} (priority: {r['priority']}, status: {r['status']}, id: {r['id']})"
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for r in rows
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]
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return f"Tasks due today ({len(rows)}):\n" + "\n".join(lines)
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# ── Task comment tools ────────────────────────────────────────────────
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@tool
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async def list_task_comments(task_id: str) -> str:
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"""List all comments on a task by its UUID."""
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result = await execute_on_client(
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action="select",
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table="taskComments",
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filters={"taskId": task_id},
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)
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rows = result.get("rows", [])
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if not rows:
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return f"No comments found for task {task_id}."
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lines = [f"- [{r['author']}]: {r['content']} (id: {r['id']})" for r in rows]
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return f"Found {len(rows)} comment(s):\n" + "\n".join(lines)
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@tool
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async def add_task_comment(task_id: str, author: str, content: str) -> str:
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"""Add a comment to a task.
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task_id: UUID of the task to comment on
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author: name or ID of the comment author
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content: comment text
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"""
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result = await execute_on_client(
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action="insert",
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table="taskComments",
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data={"taskId": task_id, "author": author, "content": content},
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)
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row = result.get("row", {})
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row_author = row.get("author", author)
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row_task_id = row.get("taskId") or row.get("task_id") or task_id
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row_comment_id = row.get("id", "unknown")
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return f"Comment added by {row_author} on task {row_task_id} (comment id: {row_comment_id})."
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@tool
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async def delete_task_comment(comment_id: str) -> str:
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"""Delete a task comment by its UUID."""
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await execute_on_client(action="delete", table="taskComments", data={"id": comment_id})
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return f"Comment {comment_id} deleted."
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# ── Exports ───────────────────────────────────────────────────────────
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TASK_TOOLS: list[Any] = [
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list_tasks,
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create_task,
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update_task,
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delete_task,
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list_tasks_due_today,
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list_task_comments,
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add_task_comment,
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delete_task_comment,
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]
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