feat(config): separate Ollama into local/cloud providers, add OpenAI & Anthropic defaults, bump schema version to 1.6.0

docs/migration-guide.md

@@ -82,17 +82,19 @@ Ensure your provider configuration is correct. For Ollama:
 
 ```toml
 [general]
-default_provider = "ollama"
+default_provider = "ollama_local"
 default_model = "llama3.2:latest"  # or your preferred model
 
-[providers.ollama]
+[providers.ollama_local]
+enabled = true
 provider_type = "ollama"
 base_url = "http://localhost:11434"
 
-[providers.ollama-cloud]
-provider_type = "ollama-cloud"
+[providers.ollama_cloud]
+enabled = true                 # set to false if you do not use the hosted API
+provider_type = "ollama_cloud"
 base_url = "https://ollama.com"
-api_key = "$OLLAMA_API_KEY"  # Optional: for Ollama Cloud
+api_key_env = "OLLAMA_CLOUD_API_KEY"
 ```
 
 #### Step 3: Understanding MCP Server Configuration
@@ -156,7 +158,7 @@ After updating your config:
 **Solution**:
 - Verify model availability on https://ollama.com/models
 - Remove the `-cloud` suffix from model names when using cloud provider
-- Ensure `api_key` is set in `[providers.ollama-cloud]` config
+- Ensure `api_key`/`api_key_env` is set in `[providers.ollama_cloud]` config
 
 ### 0.1.9 – Explicit Ollama Modes & Cloud Endpoint Storage