Summarize the supplied team messages for the requested date range. Organize the result into completed work, blockers, and next week's plan. Use brief bullets and merge repeated updates about the same work. Count work as completed only when the messages say it is complete. Keep work in progress distinct from finished work. For blockers, preserve the impact, owner, and dependency when stated. For planned work, retain explicit priorities and dates. Do not invent progress, commitments, estimates, or a plan where none was recorded. Note meaningful contradictions or missing status. Keep links and identifiers needed to find the original work. If no date range is provided, summarize the supplied messages and state their available date range.