fix bad max_tokens and context_window logic

for non-databricks code

config.coach-player.example.toml

@@ -22,12 +22,13 @@ use_oauth = true
 
 [providers.anthropic]
 api_key = "your-anthropic-api-key"
-model = "claude-3-haiku-20240307"  # Using a faster model for player
+model = "claude-sonnet-4-5"
 max_tokens = 4096
 temperature = 0.3  # Slightly higher temperature for more creative implementations
 # cache_config = "ephemeral"  # Optional: Enable prompt caching
                               # Options: "ephemeral", "5minute", "1hour"
                               # Reduces costs and latency for repeated prompts. Uses Anthropic's prompt caching with different TTLs.
+# enable_1m_context = true    # optional, more expensive
 
 [agent]
 fallback_default_max_tokens = 8192