dif-conclude-experiment

Conclude a dif.sh experiment or rollout with real numbers. Gets the result from dif cloud over MCP or REST, checks the verdict, writes the Decision from decision_draft, runs dif conclude, and records the surface Learning. Use when the user wants to conclude, finish, ship, kill, wrap up or document the outcome of a dif experiment, write a decision, record a learning, or run the command dif conclude.