update zen models

Author: fwang

providers/opencode/models/minimax-m2.toml

@@ -0,0 +1,22 @@
+name = "MiniMax M2 (alpha)"
+release_date = "2025-10-27"
+last_updated = "2025-10-27"
+attachment = false
+reasoning = true
+temperature = true
+tool_call = true
+knowledge = "2024-10"
+open_weights = true
+status = "alpha"
+
+[cost]
+input = 1.2
+output = 1.2
+
+[limit]
+context = 200_000
+output = 128_000
+
+[modalities]
+input = ["text"]
+output = ["text"]