review-003: fix the frontmatter's invalid YAML — the plain-scalar colons broke the parse

docs/reviews/003-assembly-layer-implementation-review.md

@@ -7,10 +7,10 @@ reviewed_artifacts:
   - src/local/mod.rs
   - src/local/producer_door.rs
   - src/composed/mod.rs
-  - src/consumer.rs (the batch-2 additions: TokenClient + the
+  - src/consumer.rs (the batch-2 additions — TokenClient + the
     *_with_token twins)
-  - src/producer.rs (spot-check: the gate/builder surface)
-  - src/rfc1928/ (spot-check: the cred-bearing door's forked surface)
+  - src/producer.rs (spot-check — the gate/builder surface)
+  - src/rfc1928/ (spot-check — the cred-bearing door's forked surface)
   - docs/architecture/ (overview, wire, producer, consumer, rfc1928,
     README, decisions 003–014)
   - tests/ (all batch-2 suites read; coverage attributed)