refactor: rename ollama-4b provider to ollama-local

Generic name that doesn't tie the provider to a specific model size.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Alexey Panfilov

cmd/agent/main.go

@@ -88,9 +88,9 @@ func main() {
 		p, e := llm.NewOllama(cfg.Models.Ollama)
 		addProvider("ollama", p, e)
 	}
-	if cfg.Models.Ollama4b.Model != "" {
-		p, e := llm.NewOllama(cfg.Models.Ollama4b)
-		addProvider("ollama-4b", p, e)
+	if cfg.Models.OllamaLocal.Model != "" {
+		p, e := llm.NewOllama(cfg.Models.OllamaLocal)
+		addProvider("ollama-local", p, e)
 	}
 	if cfg.Models.Claude.BaseURL != "" {
 		p, e := llm.NewClaudeBridge(cfg.Models.Claude)

config/config.yaml

@@ -76,8 +76,8 @@ models:
     base_url: http://host.docker.internal:11434
     max_tokens: 64
 
-  # Ollama 4b — larger local model, can be used as primary via /model.
-  ollama-4b:
+  # Ollama local — larger local model, can be used as primary via /model.
+  ollama-local:
     model: gemma3:4b
     base_url: http://host.docker.internal:11434
     max_tokens: 4096

internal/config/config.go

@@ -81,7 +81,7 @@ type ModelsConfig struct {
 	QwenPlus        ModelConfig `yaml:"qwen3.5-plus"`
 	QwenMax         ModelConfig `yaml:"qwen-max"`
 	Ollama          ModelConfig `yaml:"ollama"`
-	Ollama4b        ModelConfig `yaml:"ollama-4b"`
+	OllamaLocal     ModelConfig `yaml:"ollama-local"`
 	Claude          ModelConfig `yaml:"claude"`
 	Local           ModelConfig `yaml:"local"`
 }