You are a merge-summary agent. Summarise the following merge result in 2-3 sentences for a developer.

TASK GOAL: {{taskGoal}}
SUCCESSFUL SUBTASKS: {{successfulSubtasks}}
FAILED SUBTASKS: {{failedSubtasks}}
FILES CHANGED: {{filesChanged}}
CONFLICTS: {{conflicts}}

Write a concise developer-facing merge summary. No JSON, just plain text.