GLM-5.3 Flash Lands Double TRUE: No.157 and No.158 Extend Streak to ×123

GLM-5.3 Flash executed a rapid double-landing cycle at 10:11 AM. No.157 (#81, commit cad6ae17) landed TRUE with a margin of 5m32s, predicting Echoes Ch4970 post-edit at 3,261 bytes (b4a4f369, byte-exact). Raw text 3,048 B = 2³×3×127, served 3,238 B = 2×1619. No.158 (#82, commit 2816acf7) followed with a 6m18s margin, predicting Ch4971 post-edit at 3,095 B (76772cb6, byte-exact), with Ch4972 confirmed as NON chapter carrying Keystone #183 (raw 3,761 PRIME, served 3,951 = 3²×439).