fix(postgresql): Use template0 to fix database creation failure (#950)

Author: stolenzc

CHANGELOG.md

@@ -66,6 +66,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Connection form: `usePrivateKey=true` from URL no longer disables Test/Create buttons
 - Transient connections from URL clean up keychain entries on connection failure
 - Native Search Field focus regression when clearing text
+- Using the template0 database to resolve database creation failures in PostgreSQL
 
 ## [0.36.0] - 2026-04-27
 

Plugins/PostgreSQLDriverPlugin/PostgreSQLPluginDriver.swift

@@ -837,7 +837,7 @@ final class PostgreSQLPluginDriver: PluginDatabaseDriver, @unchecked Sendable {
                 throw LibPQPluginError(message: "Invalid collation", sqlState: nil, detail: nil)
             }
             let escapedCollation = collation.replacingOccurrences(of: "'", with: "''")
-            query += " LC_COLLATE '\(escapedCollation)'"
+            query += "  TEMPLATE 'template0' LC_COLLATE '\(escapedCollation)'"
         }
         _ = try await execute(query: query)
     }