feat(battle-engine): close the AI-simulation subsystem (verbatim)

Copied the 89 uncopied AI*SimulationUtility/extension files defining the
AIVirtualCard/AIVirtualField extension methods; the compile loop then auto-closed
the revealed type deps (~3049 files total, drift-clean). 10.0k -> 62 errors.

SVSim.BattleEngine/Engine/Sqlite3Plugin/DatabaseCorruptionException.cs

@@ -0,0 +1,11 @@
+using System;
+
+namespace Sqlite3Plugin;
+
+public class DatabaseCorruptionException : Exception
+{
+	public DatabaseCorruptionException(int rc)
+		: base($"Database is corrupted: code {rc}")
+	{
+	}
+}

SVSim.BattleEngine/Engine/Sqlite3Plugin/ResultCode.cs

@@ -0,0 +1,80 @@
+using System;
+
+namespace Sqlite3Plugin;
+
+public class ResultCode
+{
+	public const int SQLITE_OK = 0;
+
+	public const int SQLITE_ERROR = 1;
+
+	public const int SQLITE_INTERNAL = 2;
+
+	public const int SQLITE_PERM = 3;
+
+	public const int SQLITE_ABORT = 4;
+
+	public const int SQLITE_BUSY = 5;
+
+	public const int SQLITE_LOCKED = 6;
+
+	public const int SQLITE_NOMEM = 7;
+
+	public const int SQLITE_READONLY = 8;
+
+	public const int SQLITE_INTERRUPT = 9;
+
+	public const int SQLITE_IOERR = 10;
+
+	public const int SQLITE_CORRUPT = 11;
+
+	public const int SQLITE_NOTFOUND = 12;
+
+	public const int SQLITE_FULL = 13;
+
+	public const int SQLITE_CANTOPEN = 14;
+
+	public const int SQLITE_PROTOCOL = 15;
+
+	public const int SQLITE_EMPTY = 16;
+
+	public const int SQLITE_SCHEMA = 17;
+
+	public const int SQLITE_TOOBIG = 18;
+
+	public const int SQLITE_CONSTRAINT = 19;
+
+	public const int SQLITE_MISMATCH = 20;
+
+	public const int SQLITE_MISUSE = 21;
+
+	public const int SQLITE_NOLFS = 22;
+
+	public const int SQLITE_AUTH = 23;
+
+	public const int SQLITE_FORMAT = 24;
+
+	public const int SQLITE_RANGE = 25;
+
+	public const int SQLITE_NOTADB = 26;
+
+	public const int SQLITE_NOTICE = 27;
+
+	public const int SQLITE_WARNING = 28;
+
+	public const int SQLITE_ROW = 100;
+
+	public const int SQLITE_DONE = 101;
+
+	public static void CheckCorruption(int rc, string errMsg = null)
+	{
+		if (rc == 11 || rc == 26)
+		{
+			throw new DatabaseCorruptionException(rc);
+		}
+		if (!string.IsNullOrEmpty(errMsg) && errMsg.IndexOf("unsupported file format", StringComparison.OrdinalIgnoreCase) >= 0)
+		{
+			throw new DatabaseCorruptionException(26);
+		}
+	}
+}

SVSim.BattleEngine/Engine/Sqlite3Plugin/Sqlite3LibImport.cs

@@ -0,0 +1,72 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace Sqlite3Plugin;
+
+public static class Sqlite3LibImport
+{
+	private const string LibraryName = "libsqlite3";
+
+	[DllImport("libsqlite3")]
+	public static extern int sqlite3_open(byte[] zFilename, out IntPtr ppDB);
+
+	[DllImport("libsqlite3")]
+	public static extern int sqlite3_open_v2(byte[] zFilename, out IntPtr ppDB, int flags, byte[] zVfs);
+
+	[DllImport("libsqlite3")]
+	public static extern int sqlite3_close(IntPtr db);
+
+	[DllImport("libsqlite3")]
+	public static extern int sqlite3_exec(IntPtr db, byte[] zSql, IntPtr xCallback, IntPtr pArg, out IntPtr pzErrMsg);
+
+	[DllImport("libsqlite3")]
+	public static extern int sqlite3_prepare_v2(IntPtr db, byte[] zSql, int nBytes, out IntPtr ppStmt, IntPtr pzTail);
+
+	[DllImport("libsqlite3")]
+	public static extern int sqlite3_bind_text(IntPtr pStmt, int i, byte[] zData, int nData, IntPtr xDel);
+
+	[DllImport("libsqlite3")]
+	public static extern int sqlite3_bind_int(IntPtr pStmt, int i, int iValue);
+
+	[DllImport("libsqlite3")]
+	public static extern int sqlite3_bind_double(IntPtr pStmt, int i, double rValue);
+
+	[DllImport("libsqlite3")]
+	public static extern int sqlite3_bind_null(IntPtr pStmt, int i);
+
+	[DllImport("libsqlite3")]
+	public static extern int sqlite3_reset(IntPtr pStmt);
+
+	[DllImport("libsqlite3")]
+	public static extern int sqlite3_step(IntPtr pStmt);
+
+	[DllImport("libsqlite3")]
+	public static extern int sqlite3_finalize(IntPtr pStmt);
+
+	[DllImport("libsqlite3")]
+	public static extern int sqlite3_column_int(IntPtr pStmt, int i);
+
+	[DllImport("libsqlite3")]
+	public static extern double sqlite3_column_double(IntPtr pStmt, int i);
+
+	[DllImport("libsqlite3")]
+	public static extern int sqlite3_column_bytes(IntPtr pStmt, int i);
+
+	[DllImport("libsqlite3")]
+	public static extern IntPtr sqlite3_column_blob(IntPtr pStmt, int i);
+
+	[DllImport("libsqlite3")]
+	public static extern IntPtr sqlite3_column_text(IntPtr pStmt, int i);
+
+	[DllImport("libsqlite3")]
+	public static extern int sqlite3_column_type(IntPtr pStmt, int i);
+
+	[DllImport("libsqlite3")]
+	public static extern int sqlite3_vfs_register(IntPtr pStmt, int makeDflt);
+
+	[DllImport("libsqlite3")]
+	public static extern int sqlite3_vfs_unregister(IntPtr pVfs);
+
+	[DllImport("libsqlite3")]
+	public static extern IntPtr sqlite3_vfs_find(byte[] zVfsName);
+}