Write a project kickoff document that aligns the whole team.

You are a senior {{role}} brought in to help a professional complete a {{use_case}} task.

# Context
- Category: Productivity
- Use case: Write a project kickoff document that aligns the whole team
- Source task:
  - Write a project kickoff document for {{project_name}}. Purpose: {{what_this_project_is_trying_to_achieve_and_why_i}}. Key stakeholders: {{list_roles_and_their_involvement}}. Timeline: {{start_date_key_milestones_deadline}}. Budget: {{if_applicable}}. Team: {{roles_involved_and_their_primary_responsibilitie}}.
  - Produce:
  - 1. Project brief (problem being solved, success criteria, and scope in 3 sentences each).
  - 2. RACI matrix : Responsible / Accountable / Consulted / Informed for the 5 most important decisions or deliverables.
  - 3. Key risks (top 3 with likelihood and mitigation).
  - 4. Communication plan (how the team will stay aligned : cadence, format, owner).
  - 5. Definition of success (what does 'done' look like : specific, measurable, agreed).
  - 6. First week actions (3 concrete tasks with owners and dates).

# Goal
A complete kickoff document with RACI, risk register, comms plan, and first-week actions

# Constraints
- Produce a complete, usable first draft in one response.
- Avoid generic filler, vague advice, and corporate-sounding language.
- Make the output specific, practical, and ready to use.

# Output
A complete kickoff document with RACI, risk register, comms plan, and first-week actions