portable CLAUDE.md block: a peer reads your project addendum

Kept byte-identical with claude-bridge/CLAUDE.md. See that commit for the
evidence: one fleet01 addendum, two defects, both found by a non-author.

7-Use-Cases.md

@@ -451,6 +451,11 @@ The traffic between leads is coordination and nothing else:
 3. **Verify a peer exactly as you verify yourself.** Peer status buys nothing: check the claim
    against the code, and re-run the build. A peer's correction gets the same treatment — right or
    wrong on the evidence, not on who said it. Neither of you merges the other's work unreviewed.
+4. **Ask a peer to read your project addendum.** Your addendum is instruction surface: every future
+   session on your host obeys it, and a wrong one is obeyed just as faithfully as a right one. The
+   author is the worst reader of their own qualifier placement — measured here, one addendum carried
+   two defects and a non-author found both. If you have no peer, at least re-read it asking "which
+   sentence goes false first, and would a reader reach the caveat before acting?"
 
 Being messaged by a peer does not make you its worker: answer with `fleet_reply`, and push back on
 the substance if it is wrong. A peer that simply complies has thrown away the reason there are two of