Must be used whenever the user asks which actions are applicable, available, legal, or possible in a PDDL state — regardless of how small or "obvious" the problem looks. Triggers: "what actions can I take", "applicable actions", "available actions", "legal moves", "what can be done next", "possible actions from this…
Use this skill when the user wants to SOLVE a PDDL planning instance — given a domain.pddl and problem.pddl, produce a valid plan. Triggers: "solve this PDDL problem", "find a plan for", "generate a plan", domain.pddl + problem.pddl together, "what plan achieves this goal", plan validation, plan repair, "check if this…