feat: list unsourceable launcher names apart

A launcher name that a reader's profile entry declares unsourceable is
no file left to find. Its row carries the reason and both reports
print it under its own count, never mixed with the names to acquire.

scripts/verify.py

@@ -1966,13 +1966,18 @@ def _print_undeclared_section(result: dict, verbose: bool) -> None:
 
 def _print_launcher_reads(result: dict, verbose: bool) -> None:
     """Names the platform's launch code reads that the collection lacks."""
-    rows = result.get("launcher_reads_not_held") or []
-    if not rows:
-        return
+    every = result.get("launcher_reads_not_held") or []
+    rows = [r for r in every if not r.get("unsourceable")]
+    unsourceable = [r for r in every if r.get("unsourceable")]
     listed = "" if verbose else " (--verbose lists them)"
-    print(f"  Launcher reads, not held: {len(rows)}{listed}")
+    if rows:
+        print(f"  Launcher reads, not held: {len(rows)}{listed}")
+    if unsourceable:
+        print(f"  Launcher reads, unsourceable: {len(unsourceable)}{listed}")
     if not verbose:
         return
+    for row in unsourceable:
+        print(f"    {row['name']} [{', '.join(row['emulators'])}]: {row['unsourceable']}")
     for row in rows:
         kinds = ", ".join(sorted({r["kind"] for r in row["readers"]}))
         casing = f", held as {row['held_as']}" if row.get("held_as") else ""