fix: address all remaining review findings on PR #14

- Fix doc comments: WithTimeout and WithTemperature each get their own
- Add TestWithTimeout (verifies short timeout causes request failure)
- Log warning on directory recursion failure in GetAllFilesInPath
- Note: unexported fields is a breaking change, will document in release notes

llm/client.go

@@ -31,13 +31,13 @@ func NewClient(baseURL, apiKey, model string) *Client {
 	}
 }
 
-// WithTemperature sets the temperature for LLM requests (0 = omit, uses server default).
 // WithTimeout sets the HTTP request timeout for LLM calls (default 5 minutes).
 func (c *Client) WithTimeout(d time.Duration) *Client {
 	c.http.Timeout = d
 	return c
 }
 
+// WithTemperature sets the temperature for LLM requests (0 = omit, uses server default).
 func (c *Client) WithTemperature(t float64) *Client {
 	c.temperature = t
 	return c