feat(release): synthesize initial catalog entries

tools/release/govoplan_release/selective_planner.py

@@ -196,16 +196,16 @@ def dry_run_steps(*, units: tuple[ReleasePlanUnit, ...], dashboard: ReleaseDashb
         if initial_units:
             steps.append(
                 ReleasePlanStep(
-                    id="catalog:initial-entry-synthesis",
-                    title=f"Prepare initial {channel} catalog entries",
+                    id="catalog:initial-version-metadata",
+                    title=f"Prepare version metadata before adding to {channel}",
                     detail=(
-                        "Selected initial-release repositories are not guaranteed to exist in the channel catalog yet: "
+                        "Selected repositories have no source version metadata: "
                         + ", ".join(unit.repo for unit in initial_units)
-                        + ". The current selective catalog writer updates existing entries only."
+                        + ". Initial catalog synthesis requires aligned pyproject, module manifest, and optional frontend versions."
                     ),
                     cwd=dashboard.meta_root,
                     mutating=True,
-                    status="needs-catalog-entry-synthesis",
+                    status="needs-version-metadata",
                 )
             )
         else: