fix(team): profile import crashes on a bad field and the secret scrubber misses pwd / private_key #1564

Problem

TeamProfileCodec.decode (lib/core/team/team_profile.dart:129-133) uses unchecked casts (item['port'] as int?, item['host'] as String?, username, databaseName, authSource, extensionId). A hand-edited or version-skewed file throws TypeError (not TeamProfileFormatException) and the whole import fails instead of skipping the bad row.

The secret scrubber _secretKey (:25) is pass(word|phrase)?|secret|token|api_?key and misses pwd, private_key / privateKey, credential(s), access_key, signature. Such keys in driverOptions or in the connection-string query survive export and import.

Expected

• Type-check each field (pattern matching), skip invalid rows and report how many were skipped.
• Extend the key pattern (and add tests for pwd, privateKey, private_key, accessKey, credentials).