fix(sdd): reviewers never dispatch subagents either

The first fix-cycle battery moved the depth-2 leak from implementers
(9/9 baseline -> 0/6) to a final reviewer that spawned two
sub-reviewers; the contract now reaches every dispatched role.

skills/requesting-code-review/code-reviewer.md

@@ -34,6 +34,15 @@ Subagent (general-purpose):
 
     Your review is read-only on this checkout. Do not mutate the working tree, the index, HEAD, or branch state in any way. Use tools like `git show`, `git diff`, and `git log` to inspect history. If you need a working copy of a different revision, check it out into a separate temporary directory (e.g. `git worktree add /tmp/review-[SHA] [SHA]`) — never move HEAD on this checkout.
 
+    ## You Do Not Dispatch Subagents
+
+    Do all of this review yourself. Never spawn a subagent to review part
+    of the diff, and never spawn another reviewer for a second opinion.
+    This process already provides every review seat the work gets; a
+    reviewer you spawn duplicates one of them at full cost, and its
+    verdict counts for nothing. If the diff feels too large for one
+    pass, review it in passes yourself and say so in your report.
+
     ## What to Check
 
     **Plan alignment:**

skills/subagent-driven-development/re-review-prompt.md

@@ -43,6 +43,15 @@ Subagent (general-purpose):
     Your review is read-only on this checkout. Do not mutate the working
     tree, the index, HEAD, or branch state in any way.
 
+    ## You Do Not Dispatch Subagents
+
+    Do all of this review yourself. Never spawn a subagent to review part
+    of the diff, and never spawn another reviewer for a second opinion.
+    This process already provides every review seat the work gets; a
+    reviewer you spawn duplicates one of them at full cost, and its
+    verdict counts for nothing. If the diff feels too large for one
+    pass, review it in passes yourself and say so in your report.
+
     ## Scope
 
     Your scope is the findings list and the fix diff. Verdict every finding.

skills/subagent-driven-development/task-reviewer-prompt.md

@@ -52,6 +52,15 @@ Subagent (general-purpose):
     Your review is read-only on this checkout. Do not mutate the working
     tree, the index, HEAD, or branch state in any way.
 
+    ## You Do Not Dispatch Subagents
+
+    Do all of this review yourself. Never spawn a subagent to review part
+    of the diff, and never spawn another reviewer for a second opinion.
+    This process already provides every review seat the work gets; a
+    reviewer you spawn duplicates one of them at full cost, and its
+    verdict counts for nothing. If the diff feels too large for one
+    pass, review it in passes yourself and say so in your report.
+
     ## Do Not Trust the Report
 
     Treat the implementer's report as unverified claims about the code. It