fix(config): infer LLM provider from model string

internal/agents/chat.go

@@ -114,6 +114,10 @@ Use assertions to verify specific fields in the response body:
 {"field":"token","op":"contains","value":"Bearer"} — substring
 Operators: eq, neq, exists, not_exists, contains, gt, gte, lt, lte
 
+## ExportTests
+Export API tests to formats strictly when the user requests it (e.g. "zapisz do postmana", "eksportuj testy do pliku sh"). 
+Can export combinations of "postman", "pytest" or "sh".
+
 ## wait
 Wait N seconds before proceeding. Use when:
 - You receive a 429 status code

internal/cli/tui.go

@@ -324,9 +324,10 @@ func NewTestUIModel(baseURL string, specPath string, analysis *analyzer.Analysis
 		if cfg.LatestVersion != "" && updater.IsNewer(cfg.LatestVersion, version) {
 			model.latestVersion = cfg.LatestVersion
 		}
-		if cfg.Model != "" {
-			model.modelName = cfg.Model
-		}
+	}
+	_, _, _, activeModel := config.GetActiveLLMConfig()
+	if activeModel != "" {
+		model.modelName = activeModel
 	}
 
 	// Add header (logo + info)

internal/config/config.go

@@ -135,13 +135,12 @@ func GetActiveLLMConfig() (provider, apiKey, baseURL, modelName string) {
 	}
 
 	if provider == "" {
-		provider = "claude"
-	}
-	if apiKey == "" {
-		if provider == "openai" || provider == "openrouter" {
-			apiKey = os.Getenv("OPENAI_API_KEY")
+		if strings.HasPrefix(modelName, "gpt-") || strings.HasPrefix(modelName, "o1") || strings.HasPrefix(modelName, "o3") {
+			provider = "openai"
+		} else if strings.HasPrefix(modelName, "gemini-") {
+			provider = "gemini"
 		} else {
-			apiKey = os.Getenv("ANTHROPIC_API_KEY")
+			provider = "claude"
 		}
 	}
 

internal/llm/claude/client.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"os"
 
 	"github.com/Octrafic/octrafic-cli/internal/infra/logger"
 
@@ -59,25 +58,14 @@ type Tool struct {
 	InputSchema map[string]interface{}
 }
 
-// NewClient creates a new Claude client (uses env vars)
-func NewClient() (*Client, error) {
-	return NewClientWithConfig("", "")
-}
-
-// NewClientWithConfig creates a new Claude client with explicit API key and model
-func NewClientWithConfig(apiKey, model string) (*Client, error) {
+// NewClientWithConfig creates a new Claude client with explicit API key, model and base URL
+func NewClientWithConfig(apiKey, model, baseURL string) (*Client, error) {
 	if apiKey == "" {
-		apiKey = os.Getenv("ANTHROPIC_API_KEY")
-		if apiKey == "" {
-			return nil, fmt.Errorf("ANTHROPIC_API_KEY not set")
-		}
+		return nil, fmt.Errorf("anthropic API key is required")
 	}
 
 	if model == "" {
-		model = os.Getenv("ANTHROPIC_MODEL")
-		if model == "" {
-			model = string(anthropic.ModelClaudeSonnet4_20250514)
-		}
+		model = string(anthropic.ModelClaudeSonnet4_20250514)
 	}
 
 	ctx := context.Background()
@@ -88,7 +76,7 @@ func NewClientWithConfig(apiKey, model string) (*Client, error) {
 	}
 
 	// Add custom base URL if provided (for proxies)
-	if baseURL := os.Getenv("ANTHROPIC_BASE_URL"); baseURL != "" {
+	if baseURL != "" {
 		opts = append(opts, option.WithBaseURL(baseURL))
 	}
 

internal/llm/claude/provider.go

@@ -12,7 +12,7 @@ type ClaudeProvider struct {
 
 // NewClaudeProvider creates a new Claude provider
 func NewClaudeProvider(config common.ProviderConfig) (*ClaudeProvider, error) {
-	client, err := NewClientWithConfig(config.APIKey, config.Model)
+	client, err := NewClientWithConfig(config.APIKey, config.Model, config.BaseURL)
 	if err != nil {
 		return nil, fmt.Errorf("failed to create Claude client: %w", err)
 	}

internal/llm/gemini/client.go

@@ -5,7 +5,6 @@ import (
 	"encoding/base64"
 	"encoding/json"
 	"fmt"
-	"os"
 
 	"github.com/Octrafic/octrafic-cli/internal/infra/logger"
 
@@ -75,17 +74,11 @@ type Tool struct {
 // NewClientWithConfig creates a new Gemini client with explicit API key and model.
 func NewClientWithConfig(apiKey, model string) (*Client, error) {
 	if apiKey == "" {
-		apiKey = os.Getenv("GOOGLE_API_KEY")
-		if apiKey == "" {
-			return nil, fmt.Errorf("GOOGLE_API_KEY not set")
-		}
+		return nil, fmt.Errorf("gemini API key is required")
 	}
 
 	if model == "" {
-		model = os.Getenv("GEMINI_MODEL")
-		if model == "" {
-			model = "gemini-2.5-flash"
-		}
+		model = "gemini-2.5-flash"
 	}
 
 	ctx := context.Background()

internal/llm/openai/client.go

@@ -8,7 +8,6 @@ import (
 	"fmt"
 	"io"
 	"net/http"
-	"os"
 	"strings"
 
 	"regexp"
@@ -191,28 +190,12 @@ type Client struct {
 	ctx        context.Context
 }
 
-// NewClient creates a new client from environment variables
-func NewClient() (*Client, error) {
-	apiKey := os.Getenv("OPENAI_API_KEY")
+// NewClientWithConfig creates a new client with explicit configuration
+func NewClientWithConfig(apiKey, model, baseURL string) (*Client, error) {
 	if apiKey == "" {
-		return nil, fmt.Errorf("OPENAI_API_KEY not set")
+		return nil, fmt.Errorf("openai API key is required")
 	}
 
-	model := os.Getenv("SEARCH_SPEC_MODEL")
-	if model == "" {
-		model = "gpt-4o-mini"
-	}
-
-	baseURL := os.Getenv("OPENAI_BASE_URL")
-	if baseURL == "" {
-		baseURL = "https://api.openai.com/v1"
-	}
-
-	return NewClientWithConfig(apiKey, model, baseURL)
-}
-
-// NewClientWithConfig creates a new client with explicit configuration
-func NewClientWithConfig(apiKey, model, baseURL string) (*Client, error) {
 	if model == "" {
 		return nil, fmt.Errorf("model is required")
 	}