feat(marketing): add product gate guard to campaign_review

Skip review if project description has no ASIN (book not yet published).
CLM projects created by kdp_publish always include ASIN in the goal.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

templates/campaign_review.yml

@@ -13,6 +13,22 @@ sections:
   - message
   - instructions
 steps:
+  # Guard: only run campaign reviews for projects with a live published book.
+  # CLM projects created by kdp_publish always have "ASIN:" in the project goal.
+  # Projects created prematurely (no published book yet) will not have an ASIN.
+  - type: think
+    max_tokens: 30
+    output_key: product_gate
+    hint: |
+      Read this project description: {project.description}
+
+      If it contains the text "ASIN:" followed by any value, output exactly: PUBLISHED
+      Otherwise output exactly: NO_PRODUCT
+
+  - type: branch
+    condition: "{product_gate} == NO_PRODUCT"
+    target: skip_no_product
+
   - type: tool
     capability: Tool_WebSearcher
     optional: true
@@ -102,6 +118,13 @@ steps:
   - type: close
     rag_update: true
 
+  - type: label
+    name: skip_no_product
+
+  - type: close
+    rag_update: false
+
+
 adjudication:
   enabled: true
   pass_threshold: 60