Prefer persisted sources in map federation

docs/POST_RC_DATA_COVERAGE_ROADMAP_BELGIUM_NORTH_SEA.md

@@ -68,7 +68,7 @@ applicable live bounded journey fails.
 
 ## P0 - Existing national layers become usable
 
-**State: implemented locally; live release evidence pending under P5.**
+**State: complete; live national and maritime source journeys proven.**
 
 ### Work
 
@@ -97,7 +97,7 @@ applicable live bounded journey fails.
 
 ## P1 - National Statbel population
 
-**State: implementation complete; reviewed live national materialization pending.**
+**State: complete; reviewed 2025 national edition materialized live.**
 
 ### Work
 
@@ -120,9 +120,17 @@ applicable live bounded journey fails.
   from the same authoritative Statbel edition.
 - Mol remains within its documented baseline tolerance.
 
+### Live evidence
+
+- Reviewed dataset: `ee0a46e5-6139-4b0a-93b5-9dabb3b3dfc7`.
+- 20,781 persisted sectors and all 565 municipalities are represented.
+- National reconciliation: 11,825,551 inhabitants, including 7,654 explicitly
+  retained as unlocated rather than silently assigned to geometry.
+- A bounded Mol selection returns an explicitly labelled area-weighted estimate.
+
 ## P2 - Wallonia bounded topographic baseline
 
-**State: implemented locally; live Wallonia journey pending under P5.**
+**State: complete; bounded Wallonia acquisition and analysis proven live.**
 
 ### Governed source
 
@@ -158,9 +166,16 @@ Initial allowlisted layers:
 - Provider failures and record-limit truncation fail closed.
 - No direct provider-to-`vector_features` write exists.
 
+### Live evidence
+
+- Dataset `0c3c0a11-c00e-4c84-87be-8ffa64302dec` retained 54 valid building
+  geometries for the bounded Wallonia smoke selection.
+- The persisted selection reported 54 buildings and 0.525363 ha without
+  extending operational coverage beyond the retained bbox.
+
 ## P3 - Brussels bounded UrbIS baseline
 
-**State: implemented locally; live Brussels journey pending under P5.**
+**State: complete; bounded Brussels acquisition and analysis proven live.**
 
 ### Governed source
 
@@ -183,6 +198,13 @@ capabilities probe before implementation is marked operational.
   parcels.
 - Catalogue-only or failed capabilities evidence remains `not_configured`.
 
+### Live evidence
+
+- Dataset `de53ccc0-a494-4c4e-bd0d-16d807bfefe7` retained 47 UrbIS building
+  geometries for the bounded Brussels smoke selection.
+- The persisted selection reported 47 buildings and 0.528894 ha without
+  claiming coverage outside the retained bbox.
+
 ## P4 - Maritime and bathymetry hardening
 
 **State: complete with MDK acquisition visibly blocked by strict-TLS evidence.**