chore: Clean up Ralph agent tracking files

Remove .ralph/ directory files from git tracking.
These are no longer needed as the tool-result-refactor is complete.

Also removes root-level prd.json and progress.txt.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

pkg/config/config_test.go

@@ -13,12 +13,164 @@ func TestDefaultConfig_HeartbeatEnabled(t *testing.T) {
 	}
 }
 
-// TestDefaultConfig_HeartbeatCanBeDisabled verifies heartbeat can be disabled via config
-func TestDefaultConfig_HeartbeatCanBeDisabled(t *testing.T) {
-	cfg := &Config{}
-	cfg.Heartbeat.Enabled = false
+// TestDefaultConfig_WorkspacePath verifies workspace path is correctly set
+func TestDefaultConfig_WorkspacePath(t *testing.T) {
+	cfg := DefaultConfig()
 
-	if cfg.Heartbeat.Enabled {
-		t.Error("Heartbeat should be disabled when set to false")
+	// Just verify the workspace is set, don't compare exact paths
+	// since expandHome behavior may differ based on environment
+	if cfg.Agents.Defaults.Workspace == "" {
+		t.Error("Workspace should not be empty")
+	}
+}
+
+// TestDefaultConfig_Model verifies model is set
+func TestDefaultConfig_Model(t *testing.T) {
+	cfg := DefaultConfig()
+
+	if cfg.Agents.Defaults.Model == "" {
+		t.Error("Model should not be empty")
+	}
+}
+
+// TestDefaultConfig_MaxTokens verifies max tokens has default value
+func TestDefaultConfig_MaxTokens(t *testing.T) {
+	cfg := DefaultConfig()
+
+	if cfg.Agents.Defaults.MaxTokens == 0 {
+		t.Error("MaxTokens should not be zero")
+	}
+}
+
+// TestDefaultConfig_MaxToolIterations verifies max tool iterations has default value
+func TestDefaultConfig_MaxToolIterations(t *testing.T) {
+	cfg := DefaultConfig()
+
+	if cfg.Agents.Defaults.MaxToolIterations == 0 {
+		t.Error("MaxToolIterations should not be zero")
+	}
+}
+
+// TestDefaultConfig_Temperature verifies temperature has default value
+func TestDefaultConfig_Temperature(t *testing.T) {
+	cfg := DefaultConfig()
+
+	if cfg.Agents.Defaults.Temperature == 0 {
+		t.Error("Temperature should not be zero")
+	}
+}
+
+// TestDefaultConfig_Gateway verifies gateway defaults
+func TestDefaultConfig_Gateway(t *testing.T) {
+	cfg := DefaultConfig()
+
+	if cfg.Gateway.Host != "0.0.0.0" {
+		t.Error("Gateway host should have default value")
+	}
+	if cfg.Gateway.Port == 0 {
+		t.Error("Gateway port should have default value")
+	}
+}
+
+// TestDefaultConfig_Providers verifies provider structure
+func TestDefaultConfig_Providers(t *testing.T) {
+	cfg := DefaultConfig()
+
+	// Verify all providers are empty by default
+	if cfg.Providers.Anthropic.APIKey != "" {
+		t.Error("Anthropic API key should be empty by default")
+	}
+	if cfg.Providers.OpenAI.APIKey != "" {
+		t.Error("OpenAI API key should be empty by default")
+	}
+	if cfg.Providers.OpenRouter.APIKey != "" {
+		t.Error("OpenRouter API key should be empty by default")
+	}
+	if cfg.Providers.Groq.APIKey != "" {
+		t.Error("Groq API key should be empty by default")
+	}
+	if cfg.Providers.Zhipu.APIKey != "" {
+		t.Error("Zhipu API key should be empty by default")
+	}
+	if cfg.Providers.VLLM.APIKey != "" {
+		t.Error("VLLM API key should be empty by default")
+	}
+	if cfg.Providers.Gemini.APIKey != "" {
+		t.Error("Gemini API key should be empty by default")
+	}
+}
+
+// TestDefaultConfig_Channels verifies channels are disabled by default
+func TestDefaultConfig_Channels(t *testing.T) {
+	cfg := DefaultConfig()
+
+	// Verify all channels are disabled by default
+	if cfg.Channels.WhatsApp.Enabled {
+		t.Error("WhatsApp should be disabled by default")
+	}
+	if cfg.Channels.Telegram.Enabled {
+		t.Error("Telegram should be disabled by default")
+	}
+	if cfg.Channels.Feishu.Enabled {
+		t.Error("Feishu should be disabled by default")
+	}
+	if cfg.Channels.Discord.Enabled {
+		t.Error("Discord should be disabled by default")
+	}
+	if cfg.Channels.MaixCam.Enabled {
+		t.Error("MaixCam should be disabled by default")
+	}
+	if cfg.Channels.QQ.Enabled {
+		t.Error("QQ should be disabled by default")
+	}
+	if cfg.Channels.DingTalk.Enabled {
+		t.Error("DingTalk should be disabled by default")
+	}
+	if cfg.Channels.Slack.Enabled {
+		t.Error("Slack should be disabled by default")
+	}
+}
+
+// TestDefaultConfig_WebTools verifies web tools config
+func TestDefaultConfig_WebTools(t *testing.T) {
+	cfg := DefaultConfig()
+
+	// Verify web tools defaults
+	if cfg.Tools.Web.Search.MaxResults != 5 {
+		t.Error("Expected MaxResults 5, got ", cfg.Tools.Web.Search.MaxResults)
+	}
+	if cfg.Tools.Web.Search.APIKey != "" {
+		t.Error("Search API key should be empty by default")
+	}
+}
+
+// TestConfig_Complete verifies all config fields are set
+func TestConfig_Complete(t *testing.T) {
+	cfg := DefaultConfig()
+
+	// Verify complete config structure
+	if cfg.Agents.Defaults.Workspace == "" {
+		t.Error("Workspace should not be empty")
+	}
+	if cfg.Agents.Defaults.Model == "" {
+		t.Error("Model should not be empty")
+	}
+	if cfg.Agents.Defaults.Temperature == 0 {
+		t.Error("Temperature should have default value")
+	}
+	if cfg.Agents.Defaults.MaxTokens == 0 {
+		t.Error("MaxTokens should not be zero")
+	}
+	if cfg.Agents.Defaults.MaxToolIterations == 0 {
+		t.Error("MaxToolIterations should not be zero")
+	}
+	if cfg.Gateway.Host != "0.0.0.0" {
+		t.Error("Gateway host should have default value")
+	}
+	if cfg.Gateway.Port == 0 {
+		t.Error("Gateway port should have default value")
+	}
+	if !cfg.Heartbeat.Enabled {
+		t.Error("Heartbeat should be enabled by default")
 	}
 }