fix(skills): sprint-start team branch must not run pr-review

Team worktree windows stay on their sprint branch. PR reviews run from
main. Updated step 9b to explicitly stop the team lead from spawning
reviewers — push the PR and wait for feedback instead.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.claude/skills/sprint-start/SKILL.md

@@ -512,12 +512,21 @@ When all tasks are complete (TaskList shows all completed):
 Run `/git-commit` to commit all changes, then `/pr-push` to create or
 update the PR. Do NOT shut down agents — the team stays alive for review.
 
-#### 9b. Review
+#### 9b. Wait for review
 
-Run `/pr-review` to spawn temporary reviewers. Wait for results.
+Do NOT run `/pr-review` from the team window — PR reviews run from
+the `main` branch (a separate window/session). The team window stays
+on its sprint branch.
+
+After pushing and creating the PR, report the PR number to the user
+and stop. Wait for review feedback to arrive (the user or the main
+session will relay it, or it will appear as Gitea PR comments).
 
 #### 9c. Handle review outcome
 
+When review feedback arrives (from the user, main session, or PR
+comments):
+
 **If CHANGES_REQUESTED:**
 
 1. Parse the review comment table (from the Gitea PR comment or the