Add /ai persona command, debug logging toggle, context trimming, persona override

server/ollama.go

@@ -9,19 +9,37 @@ import (
     "time"
 )
 
+// logFunc is a callback for logging (hooked to the Mattermost plugin API).
+type logFunc func(msg string, keyValuePairs ...any)
+
 // OllamaClient communicates with the Ollama API.
 type OllamaClient struct {
     baseURL    string
     httpClient *http.Client
+    logInfo    logFunc
+    logEnabled bool
+}
+
+// SetLogging enables or disables request/response logging.
+func (c *OllamaClient) SetLogging(enabled bool) {
+    c.logEnabled = enabled
 }
 
 // NewOllamaClient creates a new client for the given Ollama server URL.
-func NewOllamaClient(baseURL string) *OllamaClient {
+func NewOllamaClient(baseURL string, logInfo logFunc) *OllamaClient {
     return &OllamaClient{
         baseURL: strings.TrimRight(baseURL, "/"),
         httpClient: &http.Client{
             Timeout: 30 * time.Second,
         },
+        logInfo: logInfo,
+    }
+}
+
+// logRequest logs the full Ollama API request for debugging.
+func (c *OllamaClient) logRequest(model, body string) {
+    if c.logEnabled && c.logInfo != nil {
+        c.logInfo("Ollama API call", "model", model, "url", c.baseURL+"/api/chat", "body", body)
     }
 }
 
@@ -113,6 +131,9 @@ func (c *OllamaClient) ChatCompletionStream(req *ChatRequest) (<-chan StreamEven
         return nil, fmt.Errorf("marshal request: %w", err)
     }
 
+    // Log the full API request for debugging.
+    c.logRequest(req.Model, string(body))
+
     httpReq, err := http.NewRequest("POST", c.baseURL+"/api/chat", strings.NewReader(string(body)))
     if err != nil {
         return nil, fmt.Errorf("create request: %w", err)