feat(studio): recover matching Nitro sources and persist import phases

src/messages/cs.json

@@ -3495,6 +3495,20 @@
 				"failures": "{count} failures",
 				"streaming": "Streaming response: timing stops at response creation, not at the end of the operation.",
 				"operation": "Operation ID"
+			},
+			"importProgress": {
+				"validating": "Checking local data",
+				"downloading": "Downloading files",
+				"converting": "Converting to Nitro",
+				"checking_sources": "Searching configured sources",
+				"writing_db": "Saving SQL and catalog",
+				"writing_furnidata": "Updating furnidata",
+				"translating": "Updating translations",
+				"current": "Current phase: {phase}",
+				"last": "Last phase: {phase}",
+				"elapsed": "{seconds}s in this phase",
+				"recovered": "Bundle recovered from {source} · revision {revision}. Classname, type and revision matched; bundle identity validated.",
+				"recoveryHint": "You can continue. If the original files fail, the importer will search enabled sources for a matching classname, type and revision, then validate the Nitro bundle. Unavailable files can still be attached manually."
 			}
 		},
 		"error": {