add v0.3 schema: smtp fields, mailbox roles, drafts, pending actions, mailstore queries

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Packages/MagnumOpusCore/Sources/MailStore/DatabaseSetup.swift

@@ -84,6 +84,49 @@ public enum DatabaseSetup {
 			}
 		}
 
+		migrator.registerMigration("v2_smtp") { db in
+			try db.alter(table: "account") { t in
+				t.add(column: "smtpHost", .text)
+				t.add(column: "smtpPort", .integer)
+				t.add(column: "smtpSecurity", .text)
+			}
+		}
+
+		migrator.registerMigration("v2_mailboxRole") { db in
+			try db.alter(table: "mailbox") { t in
+				t.add(column: "role", .text)
+			}
+		}
+
+		migrator.registerMigration("v2_draft") { db in
+			try db.create(table: "draft") { t in
+				t.primaryKey("id", .text)
+				t.belongsTo("account", onDelete: .cascade).notNull()
+				t.column("inReplyTo", .text)
+				t.column("forwardOf", .text)
+				t.column("toAddresses", .text)
+				t.column("ccAddresses", .text)
+				t.column("bccAddresses", .text)
+				t.column("subject", .text)
+				t.column("bodyText", .text)
+				t.column("createdAt", .text).notNull()
+				t.column("updatedAt", .text).notNull()
+			}
+		}
+
+		migrator.registerMigration("v2_pendingAction") { db in
+			try db.create(table: "pendingAction") { t in
+				t.primaryKey("id", .text)
+				t.belongsTo("account", onDelete: .cascade).notNull()
+				t.column("actionType", .text).notNull()
+				t.column("payload", .text).notNull()
+				t.column("createdAt", .text).notNull()
+				t.column("retryCount", .integer).notNull().defaults(to: 0)
+				t.column("lastError", .text)
+			}
+			try db.create(index: "idx_pendingAction_createdAt", on: "pendingAction", columns: ["createdAt"])
+		}
+
 		return migrator
 	}