Turn a problem into an action plan with clear success measures

Help me build a practical plan to solve a problem, and decide how we'll know it's actually solved. The problem: [WHAT IS WRONG, how often, and the impact] What we know about the cause: [ROOT CAUSE FINDINGS, or "not yet clear"] The solution or direction we've chosen: [IF ANY] People available and their roles: [NAMES OR ROLES] Deadline and constraints: [DATES, BUDGET, APPROVALS NEEDED] The plan should follow this approach: define, diagnose (if the cause isn't clear), fix, check, and lock in. Skip the diagnose phase only if the cause is confirmed. Return: 1. Problem statement and goal in one sentence each (the goal must be measurable). 2. An action table: Step | What exactly | Owner | Due date | Depends on | Done when. 3. Success measures: the metric that shows the problem is solved, its current baseline (or [ADD BASELINE]), the target, and how long it must hold (e.g. "zero late invoices for 3 consecutive months") so we don't declare victory too early. 4. Guardrail measures: what must not get worse while we fix this. 5. Checkpoints: when we review progress, and what would make us change the plan. 6. How we lock in the fix: process change, documentation, training, or automation, and who owns it after the project ends. 7. Top risks to the plan and how to reduce each. Rules: keep steps concrete and small enough to assign. Don't invent baselines or targets; leave placeholders where I haven't given numbers.