REUSE-WP-0014: T11 docs, roster stats, workplan finished

Link local-repo-roster in RegistryFederation; rollout milestone history;
update IntentScopeGapAnalysis (60 hub members). Add stats --roster
--federation-ready for workstation federation readiness.

tests/test_stats.py

@@ -2,7 +2,12 @@ from __future__ import annotations
 
 from pathlib import Path
 
-from reuse_surface.stats import collect_stats, format_stats_markdown
+from reuse_surface.stats import (
+    collect_roster_stats,
+    collect_stats,
+    format_roster_stats_markdown,
+    format_stats_markdown,
+)
 
 
 def test_collect_stats_on_repo_root():
@@ -17,4 +22,15 @@ def test_format_stats_markdown_contains_count():
     root = Path(__file__).resolve().parent.parent
     text = format_stats_markdown(collect_stats(root))
     assert "Capabilities:" in text
-    assert "20" in text
+    assert "20" in text
+
+
+def test_collect_roster_stats_federation_ready():
+    root = Path(__file__).resolve().parent.parent
+    roster = root / "registry/federation/local-repo-roster.yaml"
+    stats = collect_roster_stats(roster, federation_ready=True)
+    assert stats["counts"]["total"] == 60
+    assert stats["counts"]["established"] == 60
+    assert "federation_readiness" in stats
+    text = format_roster_stats_markdown(stats)
+    assert "publish pass ratio" in text