docs: clarify autonomous progress and batched input stops

docs/constellation-work.md

@@ -14,6 +14,10 @@ replace superseded state rather than appending a chronological log.
   philosophy and actual use; contribute design ideas beyond literal backlog items.
   Continue to the next natural step when the user could only usefully say "continue";
   pause for material choices or missing authority, not routine progress.
+- Minimize input stops: plan a coherent batch of autonomous work and gather the
+  material inputs needed for the next batch together. Avoid serial question/action
+  loops. When pausing, state exactly what input is needed and what it will decide;
+  otherwise continue with the next logical step rather than ending with an offer.
 - The main agent owns alignment, design and integration and may do small work.
   Use subagents for bounded independent investigations or implementation with clear
   ownership. Begin with at most two workers; avoid overlapping writes, duplicate