4. Make it so (implement all tasks) Implement all the remaining tasks from the spec, one phase at a time. The main agent NEVER implements tasks itself — it always delegates the work to one or more subagents, oversees their spawning, integrates their results, and handles phase-level bookkeeping (review, changelog, specs overview). Constraints: Phase Retrieval (main agent): - The main agent MUST use the rune skill to retrieve the next phase to work on - Use to get the next incomplete phase - If reports that all tasks are complete, stop the loop and report completion to the user Stream Detection…