feat(prompts): load system prompts and defaults from Docker volume; set runtime system prompt; add BACKBEAT standards

reasoning/reasoning.go

@@ -16,12 +16,13 @@ const (
 )
 
 var (
-	availableModels []string
-	modelWebhookURL string
-	defaultModel    string
-	ollamaEndpoint  string = "http://localhost:11434" // Default fallback
-	aiProvider      string = "resetdata"              // Default provider
-	resetdataConfig ResetDataConfig
+    availableModels []string
+    modelWebhookURL string
+    defaultModel    string
+    ollamaEndpoint  string = "http://localhost:11434" // Default fallback
+    aiProvider      string = "resetdata"              // Default provider
+    resetdataConfig ResetDataConfig
+    defaultSystemPrompt string
 )
 
 // AIProvider represents the AI service provider
@@ -118,17 +119,17 @@ func generateResetDataResponse(ctx context.Context, model, prompt string) (strin
 	}
 
 	// Create the request payload in OpenAI format
-	requestPayload := OpenAIRequest{
-		Model: modelToUse,
-		Messages: []OpenAIMessage{
-			{Role: "system", Content: "You are a helpful assistant."},
-			{Role: "user", Content: prompt},
-		},
-		Temperature: 0.2,
-		TopP:        0.7,
-		MaxTokens:   1024,
-		Stream:      false,
-	}
+    requestPayload := OpenAIRequest{
+        Model: modelToUse,
+        Messages: []OpenAIMessage{
+            {Role: "system", Content: defaultSystemPromptOrFallback()},
+            {Role: "user", Content: prompt},
+        },
+        Temperature: 0.2,
+        TopP:        0.7,
+        MaxTokens:   1024,
+        Stream:      false,
+    }
 
 	payloadBytes, err := json.Marshal(requestPayload)
 	if err != nil {
@@ -233,7 +234,12 @@ func SetResetDataConfig(config ResetDataConfig) {
 
 // SetOllamaEndpoint configures the Ollama API endpoint
 func SetOllamaEndpoint(endpoint string) {
-	ollamaEndpoint = endpoint
+    ollamaEndpoint = endpoint
+}
+
+// SetDefaultSystemPrompt configures the default system message used when building prompts.
+func SetDefaultSystemPrompt(systemPrompt string) {
+    defaultSystemPrompt = systemPrompt
 }
 
 // selectBestModel calls the model selection webhook to choose the best model for a prompt
@@ -291,6 +297,13 @@ func selectBestModel(availableModels []string, prompt string) string {
 
 // GenerateResponseSmart automatically selects the best model for the prompt
 func GenerateResponseSmart(ctx context.Context, prompt string) (string, error) {
-	selectedModel := selectBestModel(availableModels, prompt)
-	return GenerateResponse(ctx, selectedModel, prompt)
+    selectedModel := selectBestModel(availableModels, prompt)
+    return GenerateResponse(ctx, selectedModel, prompt)
+}
+
+func defaultSystemPromptOrFallback() string {
+    if strings.TrimSpace(defaultSystemPrompt) != "" {
+        return defaultSystemPrompt
+    }
+    return "You are a helpful assistant."
 }