docs: defer DWH client cutover before Project B

docs/testing/evidence/psd-server-project-a-report-template.md

@@ -6,7 +6,7 @@
 
 ## Decision
 
-- Result: `PROJECT_A_PASS` / `PROJECT_A_FAIL` / `PROJECT_A_PENDING`
+- Result: `PROJECT_A_PRIVATE_PASS` / `PROJECT_A_FAIL` / `PROJECT_A_PENDING`
 - Decision timestamp UTC:
 - Owner/reviewer:
 - Protected evidence path:
@@ -18,7 +18,7 @@
 - Plan source SHA:
 - Workspace previous SHA:
 - Workspace multi-transport SHA:
-- Mac REST validation result/evidence reference:
+- Mac REST validation result/evidence reference: `DEFERRED_PRE_PROJECT_B`
 - Native `tht` version/build identity:
 - Core image ID/digest:
 - Frontend image ID/digest:
@@ -63,7 +63,7 @@
 
 - Workspace ID/revision:
 - Server transport: postgres_direct
-- Mac transport remains rest_api: PASS/FAIL
+- Mac transport remains rest_api: `DEFERRED_PRE_PROJECT_B`
 - Supabase database name:
 - DWH schema: datawarehouse
 - Read-only role proof reference:
@@ -95,4 +95,5 @@
 - Legacy rollback remains available:
 - Secret scan result:
 - Unrelated failures or pending items:
+- Pre-Project-B blockers: Mac validation, 48-hour/two-ETL observation, legacy revocation
 - Reason for final decision: