fix(import): initialize file logging so the anchor debug line is emitted

Retest caught that logging.Debug is a no-op without logging.Init; import
never called it, making the just-added anchor log dead code. Init
best-effort like explain/resume.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Entire-Checkpoint: 01KY3A8RAG6E2BFNVZZZYWTGNR

Author: peyton-alt

cmd/entire/cli/import_cmd.go

@@ -57,6 +57,14 @@ fails even with --dry-run.`, imp.AgentType()),
 			}
 			defer repo.Close()
 
+			// Best-effort file logging (like explain/resume): without Init,
+			// logging.Debug below is a no-op. WorktreeRoot already succeeded,
+			// so this cannot create .entire/logs/ outside a repo.
+			logging.SetLogLevelGetter(GetLogLevel)
+			if err := logging.Init(ctx, ""); err == nil {
+				defer logging.Close()
+			}
+
 			if err := ensureCheckpointPolicyAllowsCheckpointData(ctx, repo); err != nil {
 				return err
 			}