Merge pull request #284 from charmbracelet/tools-bg

Kujtim Hoxha created

perf: init tools and providers in background

Change summary

go.mod                                           |   3 
internal/app/app.go                              |   2 
internal/config/config.go                        |  23 
internal/config/init.go                          |  25 
internal/config/load.go                          |  69 -
internal/config/load_test.go                     | 207 ++++----
internal/config/provider.go                      |  84 ++
internal/config/provider_empty_test.go           |  47 +
internal/config/provider_test.go                 |   6 
internal/csync/maps.go                           |  92 +++
internal/csync/maps_test.go                      | 452 ++++++++++++++++++
internal/csync/slices.go                         |  36 +
internal/csync/slices_test.go                    |  87 +++
internal/llm/agent/agent.go                      |  94 ++-
internal/llm/provider/gemini.go                  |   8 
internal/llm/provider/openai_test.go             |   3 
internal/tui/components/chat/splash/splash.go    |   2 
internal/tui/components/dialogs/models/list.go   |   6 
internal/tui/components/dialogs/models/models.go |   2 
19 files changed, 983 insertions(+), 265 deletions(-)

Detailed changes

go.mod 🔗

@@ -42,11 +42,12 @@ require (
 	github.com/tidwall/sjson v1.2.5
 	github.com/u-root/u-root v0.14.1-0.20250724181933-b01901710169
 	github.com/zeebo/xxh3 v1.0.2
-	golang.org/x/exp v0.0.0-20250305212735-054e65f0b394
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 	mvdan.cc/sh/v3 v3.11.0
 )
 
+require golang.org/x/exp v0.0.0-20250305212735-054e65f0b394 // indirect
+
 require (
 	cloud.google.com/go v0.116.0 // indirect
 	cloud.google.com/go/auth v0.13.0 // indirect

internal/app/app.go 🔗

@@ -84,7 +84,7 @@ func New(ctx context.Context, conn *sql.DB, cfg *config.Config) (*App, error) {
 	app.setupEvents()
 
 	// Initialize LSP clients in the background.
-	go app.initLSPClients(ctx)
+	app.initLSPClients(ctx)
 
 	// TODO: remove the concept of agent config, most likely.
 	if cfg.IsConfigured() {

internal/config/config.go 🔗

@@ -3,6 +3,7 @@ package config
 import (
 	"context"
 	"fmt"
+	"log/slog"
 	"net/http"
 	"os"
 	"slices"
@@ -10,9 +11,9 @@ import (
 	"time"
 
 	"github.com/charmbracelet/catwalk/pkg/catwalk"
+	"github.com/charmbracelet/crush/internal/csync"
 	"github.com/charmbracelet/crush/internal/env"
 	"github.com/tidwall/sjson"
-	"golang.org/x/exp/slog"
 )
 
 const (
@@ -240,7 +241,7 @@ type Config struct {
 	Models map[SelectedModelType]SelectedModel `json:"models,omitempty"`
 
 	// The providers that are configured
-	Providers map[string]ProviderConfig `json:"providers,omitempty"`
+	Providers *csync.Map[string, ProviderConfig] `json:"providers,omitempty"`
 
 	MCP MCPs `json:"mcp,omitempty"`
 
@@ -265,8 +266,8 @@ func (c *Config) WorkingDir() string {
 }
 
 func (c *Config) EnabledProviders() []ProviderConfig {
-	enabled := make([]ProviderConfig, 0, len(c.Providers))
-	for _, p := range c.Providers {
+	var enabled []ProviderConfig
+	for _, p := range c.Providers.Seq2() {
 		if !p.Disable {
 			enabled = append(enabled, p)
 		}
@@ -280,7 +281,7 @@ func (c *Config) IsConfigured() bool {
 }
 
 func (c *Config) GetModel(provider, model string) *catwalk.Model {
-	if providerConfig, ok := c.Providers[provider]; ok {
+	if providerConfig, ok := c.Providers.Get(provider); ok {
 		for _, m := range providerConfig.Models {
 			if m.ID == model {
 				return &m
@@ -295,7 +296,7 @@ func (c *Config) GetProviderForModel(modelType SelectedModelType) *ProviderConfi
 	if !ok {
 		return nil
 	}
-	if providerConfig, ok := c.Providers[model.Provider]; ok {
+	if providerConfig, ok := c.Providers.Get(model.Provider); ok {
 		return &providerConfig
 	}
 	return nil
@@ -376,14 +377,10 @@ func (c *Config) SetProviderAPIKey(providerID, apiKey string) error {
 		return fmt.Errorf("failed to save API key to config file: %w", err)
 	}
 
-	if c.Providers == nil {
-		c.Providers = make(map[string]ProviderConfig)
-	}
-
-	providerConfig, exists := c.Providers[providerID]
+	providerConfig, exists := c.Providers.Get(providerID)
 	if exists {
 		providerConfig.APIKey = apiKey
-		c.Providers[providerID] = providerConfig
+		c.Providers.Set(providerID, providerConfig)
 		return nil
 	}
 
@@ -412,7 +409,7 @@ func (c *Config) SetProviderAPIKey(providerID, apiKey string) error {
 		return fmt.Errorf("provider with ID %s not found in known providers", providerID)
 	}
 	// Store the updated provider config
-	c.Providers[providerID] = providerConfig
+	c.Providers.Set(providerID, providerConfig)
 	return nil
 }
 

internal/config/init.go 🔗

@@ -5,7 +5,6 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
-	"sync"
 	"sync/atomic"
 )
 
@@ -18,26 +17,20 @@ type ProjectInitFlag struct {
 }
 
 // TODO: we need to remove the global config instance keeping it now just until everything is migrated
-var (
-	instance atomic.Pointer[Config]
-	cwd      string
-	once     sync.Once // Ensures the initialization happens only once
-)
+var instance atomic.Pointer[Config]
 
 func Init(workingDir string, debug bool) (*Config, error) {
-	var err error
-	once.Do(func() {
-		cwd = workingDir
-		var cfg *Config
-		cfg, err = Load(cwd, debug)
-		instance.Store(cfg)
-	})
-
-	return instance.Load(), err
+	cfg, err := Load(workingDir, debug)
+	if err != nil {
+		return nil, err
+	}
+	instance.Store(cfg)
+	return instance.Load(), nil
 }
 
 func Get() *Config {
-	return instance.Load()
+	cfg := instance.Load()
+	return cfg
 }
 
 func ProjectNeedsInitialization() (bool, error) {

internal/config/load.go 🔗

@@ -4,17 +4,17 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
+	"log/slog"
 	"os"
 	"path/filepath"
 	"runtime"
 	"slices"
 	"strings"
-	"sync"
 
 	"github.com/charmbracelet/catwalk/pkg/catwalk"
+	"github.com/charmbracelet/crush/internal/csync"
 	"github.com/charmbracelet/crush/internal/env"
 	"github.com/charmbracelet/crush/internal/log"
-	"golang.org/x/exp/slog"
 )
 
 const catwalkURL = "https://catwalk.charm.sh"
@@ -63,7 +63,7 @@ func Load(workingDir string, debug bool) (*Config, error) {
 	)
 
 	// Load known providers, this loads the config from catwalk
-	providers, err := LoadProviders(catwalk.NewWithURL(catwalkURL))
+	providers, err := Providers()
 	if err != nil || len(providers) == 0 {
 		return nil, fmt.Errorf("failed to load providers: %w", err)
 	}
@@ -77,35 +77,6 @@ func Load(workingDir string, debug bool) (*Config, error) {
 		return nil, fmt.Errorf("failed to configure providers: %w", err)
 	}
 
-	// Test provider connections in parallel
-	var testResults sync.Map
-	var wg sync.WaitGroup
-
-	for _, p := range cfg.Providers {
-		if p.Type == catwalk.TypeOpenAI || p.Type == catwalk.TypeAnthropic {
-			wg.Add(1)
-			go func(provider ProviderConfig) {
-				defer wg.Done()
-				err := provider.TestConnection(cfg.resolver)
-				testResults.Store(provider.ID, err == nil)
-				if err != nil {
-					slog.Error("Provider connection test failed", "provider", provider.ID, "error", err)
-				}
-			}(p)
-		}
-	}
-	wg.Wait()
-
-	// Remove failed providers
-	testResults.Range(func(key, value any) bool {
-		providerID := key.(string)
-		passed := value.(bool)
-		if !passed {
-			delete(cfg.Providers, providerID)
-		}
-		return true
-	})
-
 	if !cfg.IsConfigured() {
 		slog.Warn("No providers configured")
 		return cfg, nil
@@ -122,12 +93,12 @@ func (c *Config) configureProviders(env env.Env, resolver VariableResolver, know
 	knownProviderNames := make(map[string]bool)
 	for _, p := range knownProviders {
 		knownProviderNames[string(p.ID)] = true
-		config, configExists := c.Providers[string(p.ID)]
+		config, configExists := c.Providers.Get(string(p.ID))
 		// if the user configured a known provider we need to allow it to override a couple of parameters
 		if configExists {
 			if config.Disable {
 				slog.Debug("Skipping provider due to disable flag", "provider", p.ID)
-				delete(c.Providers, string(p.ID))
+				c.Providers.Del(string(p.ID))
 				continue
 			}
 			if config.BaseURL != "" {
@@ -183,7 +154,7 @@ func (c *Config) configureProviders(env env.Env, resolver VariableResolver, know
 			if !hasVertexCredentials(env) {
 				if configExists {
 					slog.Warn("Skipping Vertex AI provider due to missing credentials")
-					delete(c.Providers, string(p.ID))
+					c.Providers.Del(string(p.ID))
 				}
 				continue
 			}
@@ -194,7 +165,7 @@ func (c *Config) configureProviders(env env.Env, resolver VariableResolver, know
 			if err != nil || endpoint == "" {
 				if configExists {
 					slog.Warn("Skipping Azure provider due to missing API endpoint", "provider", p.ID, "error", err)
-					delete(c.Providers, string(p.ID))
+					c.Providers.Del(string(p.ID))
 				}
 				continue
 			}
@@ -204,7 +175,7 @@ func (c *Config) configureProviders(env env.Env, resolver VariableResolver, know
 			if !hasAWSCredentials(env) {
 				if configExists {
 					slog.Warn("Skipping Bedrock provider due to missing AWS credentials")
-					delete(c.Providers, string(p.ID))
+					c.Providers.Del(string(p.ID))
 				}
 				continue
 			}
@@ -219,16 +190,16 @@ func (c *Config) configureProviders(env env.Env, resolver VariableResolver, know
 			if v == "" || err != nil {
 				if configExists {
 					slog.Warn("Skipping provider due to missing API key", "provider", p.ID)
-					delete(c.Providers, string(p.ID))
+					c.Providers.Del(string(p.ID))
 				}
 				continue
 			}
 		}
-		c.Providers[string(p.ID)] = prepared
+		c.Providers.Set(string(p.ID), prepared)
 	}
 
 	// validate the custom providers
-	for id, providerConfig := range c.Providers {
+	for id, providerConfig := range c.Providers.Seq2() {
 		if knownProviderNames[id] {
 			continue
 		}
@@ -245,7 +216,7 @@ func (c *Config) configureProviders(env env.Env, resolver VariableResolver, know
 
 		if providerConfig.Disable {
 			slog.Debug("Skipping custom provider due to disable flag", "provider", id)
-			delete(c.Providers, id)
+			c.Providers.Del(id)
 			continue
 		}
 		if providerConfig.APIKey == "" {
@@ -253,17 +224,17 @@ func (c *Config) configureProviders(env env.Env, resolver VariableResolver, know
 		}
 		if providerConfig.BaseURL == "" {
 			slog.Warn("Skipping custom provider due to missing API endpoint", "provider", id)
-			delete(c.Providers, id)
+			c.Providers.Del(id)
 			continue
 		}
 		if len(providerConfig.Models) == 0 {
 			slog.Warn("Skipping custom provider because the provider has no models", "provider", id)
-			delete(c.Providers, id)
+			c.Providers.Del(id)
 			continue
 		}
 		if providerConfig.Type != catwalk.TypeOpenAI {
 			slog.Warn("Skipping custom provider because the provider type is not supported", "provider", id, "type", providerConfig.Type)
-			delete(c.Providers, id)
+			c.Providers.Del(id)
 			continue
 		}
 
@@ -274,11 +245,11 @@ func (c *Config) configureProviders(env env.Env, resolver VariableResolver, know
 		baseURL, err := resolver.ResolveValue(providerConfig.BaseURL)
 		if baseURL == "" || err != nil {
 			slog.Warn("Skipping custom provider due to missing API endpoint", "provider", id, "error", err)
-			delete(c.Providers, id)
+			c.Providers.Del(id)
 			continue
 		}
 
-		c.Providers[id] = providerConfig
+		c.Providers.Set(id, providerConfig)
 	}
 	return nil
 }
@@ -298,7 +269,7 @@ func (c *Config) setDefaults(workingDir string) {
 		c.Options.DataDirectory = filepath.Join(workingDir, defaultDataDirectory)
 	}
 	if c.Providers == nil {
-		c.Providers = make(map[string]ProviderConfig)
+		c.Providers = csync.NewMap[string, ProviderConfig]()
 	}
 	if c.Models == nil {
 		c.Models = make(map[SelectedModelType]SelectedModel)
@@ -317,7 +288,7 @@ func (c *Config) setDefaults(workingDir string) {
 }
 
 func (c *Config) defaultModelSelection(knownProviders []catwalk.Provider) (largeModel SelectedModel, smallModel SelectedModel, err error) {
-	if len(knownProviders) == 0 && len(c.Providers) == 0 {
+	if len(knownProviders) == 0 && c.Providers.Len() == 0 {
 		err = fmt.Errorf("no providers configured, please configure at least one provider")
 		return
 	}
@@ -325,7 +296,7 @@ func (c *Config) defaultModelSelection(knownProviders []catwalk.Provider) (large
 	// Use the first provider enabled based on the known providers order
 	// if no provider found that is known use the first provider configured
 	for _, p := range knownProviders {
-		providerConfig, ok := c.Providers[string(p.ID)]
+		providerConfig, ok := c.Providers.Get(string(p.ID))
 		if !ok || providerConfig.Disable {
 			continue
 		}

internal/config/load_test.go 🔗

@@ -9,6 +9,7 @@ import (
 	"testing"
 
 	"github.com/charmbracelet/catwalk/pkg/catwalk"
+	"github.com/charmbracelet/crush/internal/csync"
 	"github.com/charmbracelet/crush/internal/env"
 	"github.com/stretchr/testify/assert"
 )
@@ -29,9 +30,10 @@ func TestConfig_LoadFromReaders(t *testing.T) {
 
 	assert.NoError(t, err)
 	assert.NotNil(t, loadedConfig)
-	assert.Len(t, loadedConfig.Providers, 1)
-	assert.Equal(t, "key2", loadedConfig.Providers["openai"].APIKey)
-	assert.Equal(t, "https://api.openai.com/v2", loadedConfig.Providers["openai"].BaseURL)
+	assert.Equal(t, 1, loadedConfig.Providers.Len())
+	pc, _ := loadedConfig.Providers.Get("openai")
+	assert.Equal(t, "key2", pc.APIKey)
+	assert.Equal(t, "https://api.openai.com/v2", pc.BaseURL)
 }
 
 func TestConfig_setDefaults(t *testing.T) {
@@ -73,10 +75,11 @@ func TestConfig_configureProviders(t *testing.T) {
 	resolver := NewEnvironmentVariableResolver(env)
 	err := cfg.configureProviders(env, resolver, knownProviders)
 	assert.NoError(t, err)
-	assert.Len(t, cfg.Providers, 1)
+	assert.Equal(t, 1, cfg.Providers.Len())
 
 	// We want to make sure that we keep the configured API key as a placeholder
-	assert.Equal(t, "$OPENAI_API_KEY", cfg.Providers["openai"].APIKey)
+	pc, _ := cfg.Providers.Get("openai")
+	assert.Equal(t, "$OPENAI_API_KEY", pc.APIKey)
 }
 
 func TestConfig_configureProvidersWithOverride(t *testing.T) {
@@ -92,22 +95,21 @@ func TestConfig_configureProvidersWithOverride(t *testing.T) {
 	}
 
 	cfg := &Config{
-		Providers: map[string]ProviderConfig{
-			"openai": {
-				APIKey:  "xyz",
-				BaseURL: "https://api.openai.com/v2",
-				Models: []catwalk.Model{
-					{
-						ID:   "test-model",
-						Name: "Updated",
-					},
-					{
-						ID: "another-model",
-					},
-				},
+		Providers: csync.NewMap[string, ProviderConfig](),
+	}
+	cfg.Providers.Set("openai", ProviderConfig{
+		APIKey:  "xyz",
+		BaseURL: "https://api.openai.com/v2",
+		Models: []catwalk.Model{
+			{
+				ID:   "test-model",
+				Name: "Updated",
+			},
+			{
+				ID: "another-model",
 			},
 		},
-	}
+	})
 	cfg.setDefaults("/tmp")
 
 	env := env.NewFromMap(map[string]string{
@@ -116,13 +118,14 @@ func TestConfig_configureProvidersWithOverride(t *testing.T) {
 	resolver := NewEnvironmentVariableResolver(env)
 	err := cfg.configureProviders(env, resolver, knownProviders)
 	assert.NoError(t, err)
-	assert.Len(t, cfg.Providers, 1)
+	assert.Equal(t, 1, cfg.Providers.Len())
 
 	// We want to make sure that we keep the configured API key as a placeholder
-	assert.Equal(t, "xyz", cfg.Providers["openai"].APIKey)
-	assert.Equal(t, "https://api.openai.com/v2", cfg.Providers["openai"].BaseURL)
-	assert.Len(t, cfg.Providers["openai"].Models, 2)
-	assert.Equal(t, "Updated", cfg.Providers["openai"].Models[0].Name)
+	pc, _ := cfg.Providers.Get("openai")
+	assert.Equal(t, "xyz", pc.APIKey)
+	assert.Equal(t, "https://api.openai.com/v2", pc.BaseURL)
+	assert.Len(t, pc.Models, 2)
+	assert.Equal(t, "Updated", pc.Models[0].Name)
 }
 
 func TestConfig_configureProvidersWithNewProvider(t *testing.T) {
@@ -138,7 +141,7 @@ func TestConfig_configureProvidersWithNewProvider(t *testing.T) {
 	}
 
 	cfg := &Config{
-		Providers: map[string]ProviderConfig{
+		Providers: csync.NewMapFrom(map[string]ProviderConfig{
 			"custom": {
 				APIKey:  "xyz",
 				BaseURL: "https://api.someendpoint.com/v2",
@@ -148,7 +151,7 @@ func TestConfig_configureProvidersWithNewProvider(t *testing.T) {
 					},
 				},
 			},
-		},
+		}),
 	}
 	cfg.setDefaults("/tmp")
 	env := env.NewFromMap(map[string]string{
@@ -158,16 +161,17 @@ func TestConfig_configureProvidersWithNewProvider(t *testing.T) {
 	err := cfg.configureProviders(env, resolver, knownProviders)
 	assert.NoError(t, err)
 	// Should be to because of the env variable
-	assert.Len(t, cfg.Providers, 2)
+	assert.Equal(t, cfg.Providers.Len(), 2)
 
 	// We want to make sure that we keep the configured API key as a placeholder
-	assert.Equal(t, "xyz", cfg.Providers["custom"].APIKey)
+	pc, _ := cfg.Providers.Get("custom")
+	assert.Equal(t, "xyz", pc.APIKey)
 	// Make sure we set the ID correctly
-	assert.Equal(t, "custom", cfg.Providers["custom"].ID)
-	assert.Equal(t, "https://api.someendpoint.com/v2", cfg.Providers["custom"].BaseURL)
-	assert.Len(t, cfg.Providers["custom"].Models, 1)
+	assert.Equal(t, "custom", pc.ID)
+	assert.Equal(t, "https://api.someendpoint.com/v2", pc.BaseURL)
+	assert.Len(t, pc.Models, 1)
 
-	_, ok := cfg.Providers["openai"]
+	_, ok := cfg.Providers.Get("openai")
 	assert.True(t, ok, "OpenAI provider should still be present")
 }
 
@@ -192,9 +196,9 @@ func TestConfig_configureProvidersBedrockWithCredentials(t *testing.T) {
 	resolver := NewEnvironmentVariableResolver(env)
 	err := cfg.configureProviders(env, resolver, knownProviders)
 	assert.NoError(t, err)
-	assert.Len(t, cfg.Providers, 1)
+	assert.Equal(t, cfg.Providers.Len(), 1)
 
-	bedrockProvider, ok := cfg.Providers["bedrock"]
+	bedrockProvider, ok := cfg.Providers.Get("bedrock")
 	assert.True(t, ok, "Bedrock provider should be present")
 	assert.Len(t, bedrockProvider.Models, 1)
 	assert.Equal(t, "anthropic.claude-sonnet-4-20250514-v1:0", bedrockProvider.Models[0].ID)
@@ -219,7 +223,7 @@ func TestConfig_configureProvidersBedrockWithoutCredentials(t *testing.T) {
 	err := cfg.configureProviders(env, resolver, knownProviders)
 	assert.NoError(t, err)
 	// Provider should not be configured without credentials
-	assert.Len(t, cfg.Providers, 0)
+	assert.Equal(t, cfg.Providers.Len(), 0)
 }
 
 func TestConfig_configureProvidersBedrockWithoutUnsupportedModel(t *testing.T) {
@@ -267,9 +271,9 @@ func TestConfig_configureProvidersVertexAIWithCredentials(t *testing.T) {
 	resolver := NewEnvironmentVariableResolver(env)
 	err := cfg.configureProviders(env, resolver, knownProviders)
 	assert.NoError(t, err)
-	assert.Len(t, cfg.Providers, 1)
+	assert.Equal(t, cfg.Providers.Len(), 1)
 
-	vertexProvider, ok := cfg.Providers["vertexai"]
+	vertexProvider, ok := cfg.Providers.Get("vertexai")
 	assert.True(t, ok, "VertexAI provider should be present")
 	assert.Len(t, vertexProvider.Models, 1)
 	assert.Equal(t, "gemini-pro", vertexProvider.Models[0].ID)
@@ -300,7 +304,7 @@ func TestConfig_configureProvidersVertexAIWithoutCredentials(t *testing.T) {
 	err := cfg.configureProviders(env, resolver, knownProviders)
 	assert.NoError(t, err)
 	// Provider should not be configured without proper credentials
-	assert.Len(t, cfg.Providers, 0)
+	assert.Equal(t, cfg.Providers.Len(), 0)
 }
 
 func TestConfig_configureProvidersVertexAIMissingProject(t *testing.T) {
@@ -325,7 +329,7 @@ func TestConfig_configureProvidersVertexAIMissingProject(t *testing.T) {
 	err := cfg.configureProviders(env, resolver, knownProviders)
 	assert.NoError(t, err)
 	// Provider should not be configured without project
-	assert.Len(t, cfg.Providers, 0)
+	assert.Equal(t, cfg.Providers.Len(), 0)
 }
 
 func TestConfig_configureProvidersSetProviderID(t *testing.T) {
@@ -348,16 +352,17 @@ func TestConfig_configureProvidersSetProviderID(t *testing.T) {
 	resolver := NewEnvironmentVariableResolver(env)
 	err := cfg.configureProviders(env, resolver, knownProviders)
 	assert.NoError(t, err)
-	assert.Len(t, cfg.Providers, 1)
+	assert.Equal(t, cfg.Providers.Len(), 1)
 
 	// Provider ID should be set
-	assert.Equal(t, "openai", cfg.Providers["openai"].ID)
+	pc, _ := cfg.Providers.Get("openai")
+	assert.Equal(t, "openai", pc.ID)
 }
 
 func TestConfig_EnabledProviders(t *testing.T) {
 	t.Run("all providers enabled", func(t *testing.T) {
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{
+			Providers: csync.NewMapFrom(map[string]ProviderConfig{
 				"openai": {
 					ID:      "openai",
 					APIKey:  "key1",
@@ -368,7 +373,7 @@ func TestConfig_EnabledProviders(t *testing.T) {
 					APIKey:  "key2",
 					Disable: false,
 				},
-			},
+			}),
 		}
 
 		enabled := cfg.EnabledProviders()
@@ -377,7 +382,7 @@ func TestConfig_EnabledProviders(t *testing.T) {
 
 	t.Run("some providers disabled", func(t *testing.T) {
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{
+			Providers: csync.NewMapFrom(map[string]ProviderConfig{
 				"openai": {
 					ID:      "openai",
 					APIKey:  "key1",
@@ -388,7 +393,7 @@ func TestConfig_EnabledProviders(t *testing.T) {
 					APIKey:  "key2",
 					Disable: true,
 				},
-			},
+			}),
 		}
 
 		enabled := cfg.EnabledProviders()
@@ -398,7 +403,7 @@ func TestConfig_EnabledProviders(t *testing.T) {
 
 	t.Run("empty providers map", func(t *testing.T) {
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{},
+			Providers: csync.NewMap[string, ProviderConfig](),
 		}
 
 		enabled := cfg.EnabledProviders()
@@ -409,13 +414,13 @@ func TestConfig_EnabledProviders(t *testing.T) {
 func TestConfig_IsConfigured(t *testing.T) {
 	t.Run("returns true when at least one provider is enabled", func(t *testing.T) {
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{
+			Providers: csync.NewMapFrom(map[string]ProviderConfig{
 				"openai": {
 					ID:      "openai",
 					APIKey:  "key1",
 					Disable: false,
 				},
-			},
+			}),
 		}
 
 		assert.True(t, cfg.IsConfigured())
@@ -423,7 +428,7 @@ func TestConfig_IsConfigured(t *testing.T) {
 
 	t.Run("returns false when no providers are configured", func(t *testing.T) {
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{},
+			Providers: csync.NewMap[string, ProviderConfig](),
 		}
 
 		assert.False(t, cfg.IsConfigured())
@@ -431,7 +436,7 @@ func TestConfig_IsConfigured(t *testing.T) {
 
 	t.Run("returns false when all providers are disabled", func(t *testing.T) {
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{
+			Providers: csync.NewMapFrom(map[string]ProviderConfig{
 				"openai": {
 					ID:      "openai",
 					APIKey:  "key1",
@@ -442,7 +447,7 @@ func TestConfig_IsConfigured(t *testing.T) {
 					APIKey:  "key2",
 					Disable: true,
 				},
-			},
+			}),
 		}
 
 		assert.False(t, cfg.IsConfigured())
@@ -462,11 +467,11 @@ func TestConfig_configureProvidersWithDisabledProvider(t *testing.T) {
 	}
 
 	cfg := &Config{
-		Providers: map[string]ProviderConfig{
+		Providers: csync.NewMapFrom(map[string]ProviderConfig{
 			"openai": {
 				Disable: true,
 			},
-		},
+		}),
 	}
 	cfg.setDefaults("/tmp")
 
@@ -478,15 +483,15 @@ func TestConfig_configureProvidersWithDisabledProvider(t *testing.T) {
 	assert.NoError(t, err)
 
 	// Provider should be removed from config when disabled
-	assert.Len(t, cfg.Providers, 0)
-	_, exists := cfg.Providers["openai"]
+	assert.Equal(t, cfg.Providers.Len(), 0)
+	_, exists := cfg.Providers.Get("openai")
 	assert.False(t, exists)
 }
 
 func TestConfig_configureProvidersCustomProviderValidation(t *testing.T) {
 	t.Run("custom provider with missing API key is allowed, but not known providers", func(t *testing.T) {
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{
+			Providers: csync.NewMapFrom(map[string]ProviderConfig{
 				"custom": {
 					BaseURL: "https://api.custom.com/v1",
 					Models: []catwalk.Model{{
@@ -496,7 +501,7 @@ func TestConfig_configureProvidersCustomProviderValidation(t *testing.T) {
 				"openai": {
 					APIKey: "$MISSING",
 				},
-			},
+			}),
 		}
 		cfg.setDefaults("/tmp")
 
@@ -505,21 +510,21 @@ func TestConfig_configureProvidersCustomProviderValidation(t *testing.T) {
 		err := cfg.configureProviders(env, resolver, []catwalk.Provider{})
 		assert.NoError(t, err)
 
-		assert.Len(t, cfg.Providers, 1)
-		_, exists := cfg.Providers["custom"]
+		assert.Equal(t, cfg.Providers.Len(), 1)
+		_, exists := cfg.Providers.Get("custom")
 		assert.True(t, exists)
 	})
 
 	t.Run("custom provider with missing BaseURL is removed", func(t *testing.T) {
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{
+			Providers: csync.NewMapFrom(map[string]ProviderConfig{
 				"custom": {
 					APIKey: "test-key",
 					Models: []catwalk.Model{{
 						ID: "test-model",
 					}},
 				},
-			},
+			}),
 		}
 		cfg.setDefaults("/tmp")
 
@@ -528,20 +533,20 @@ func TestConfig_configureProvidersCustomProviderValidation(t *testing.T) {
 		err := cfg.configureProviders(env, resolver, []catwalk.Provider{})
 		assert.NoError(t, err)
 
-		assert.Len(t, cfg.Providers, 0)
-		_, exists := cfg.Providers["custom"]
+		assert.Equal(t, cfg.Providers.Len(), 0)
+		_, exists := cfg.Providers.Get("custom")
 		assert.False(t, exists)
 	})
 
 	t.Run("custom provider with no models is removed", func(t *testing.T) {
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{
+			Providers: csync.NewMapFrom(map[string]ProviderConfig{
 				"custom": {
 					APIKey:  "test-key",
 					BaseURL: "https://api.custom.com/v1",
 					Models:  []catwalk.Model{},
 				},
-			},
+			}),
 		}
 		cfg.setDefaults("/tmp")
 
@@ -550,14 +555,14 @@ func TestConfig_configureProvidersCustomProviderValidation(t *testing.T) {
 		err := cfg.configureProviders(env, resolver, []catwalk.Provider{})
 		assert.NoError(t, err)
 
-		assert.Len(t, cfg.Providers, 0)
-		_, exists := cfg.Providers["custom"]
+		assert.Equal(t, cfg.Providers.Len(), 0)
+		_, exists := cfg.Providers.Get("custom")
 		assert.False(t, exists)
 	})
 
 	t.Run("custom provider with unsupported type is removed", func(t *testing.T) {
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{
+			Providers: csync.NewMapFrom(map[string]ProviderConfig{
 				"custom": {
 					APIKey:  "test-key",
 					BaseURL: "https://api.custom.com/v1",
@@ -566,7 +571,7 @@ func TestConfig_configureProvidersCustomProviderValidation(t *testing.T) {
 						ID: "test-model",
 					}},
 				},
-			},
+			}),
 		}
 		cfg.setDefaults("/tmp")
 
@@ -575,14 +580,14 @@ func TestConfig_configureProvidersCustomProviderValidation(t *testing.T) {
 		err := cfg.configureProviders(env, resolver, []catwalk.Provider{})
 		assert.NoError(t, err)
 
-		assert.Len(t, cfg.Providers, 0)
-		_, exists := cfg.Providers["custom"]
+		assert.Equal(t, cfg.Providers.Len(), 0)
+		_, exists := cfg.Providers.Get("custom")
 		assert.False(t, exists)
 	})
 
 	t.Run("valid custom provider is kept and ID is set", func(t *testing.T) {
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{
+			Providers: csync.NewMapFrom(map[string]ProviderConfig{
 				"custom": {
 					APIKey:  "test-key",
 					BaseURL: "https://api.custom.com/v1",
@@ -591,7 +596,7 @@ func TestConfig_configureProvidersCustomProviderValidation(t *testing.T) {
 						ID: "test-model",
 					}},
 				},
-			},
+			}),
 		}
 		cfg.setDefaults("/tmp")
 
@@ -600,8 +605,8 @@ func TestConfig_configureProvidersCustomProviderValidation(t *testing.T) {
 		err := cfg.configureProviders(env, resolver, []catwalk.Provider{})
 		assert.NoError(t, err)
 
-		assert.Len(t, cfg.Providers, 1)
-		customProvider, exists := cfg.Providers["custom"]
+		assert.Equal(t, cfg.Providers.Len(), 1)
+		customProvider, exists := cfg.Providers.Get("custom")
 		assert.True(t, exists)
 		assert.Equal(t, "custom", customProvider.ID)
 		assert.Equal(t, "test-key", customProvider.APIKey)
@@ -610,7 +615,7 @@ func TestConfig_configureProvidersCustomProviderValidation(t *testing.T) {
 
 	t.Run("disabled custom provider is removed", func(t *testing.T) {
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{
+			Providers: csync.NewMapFrom(map[string]ProviderConfig{
 				"custom": {
 					APIKey:  "test-key",
 					BaseURL: "https://api.custom.com/v1",
@@ -620,7 +625,7 @@ func TestConfig_configureProvidersCustomProviderValidation(t *testing.T) {
 						ID: "test-model",
 					}},
 				},
-			},
+			}),
 		}
 		cfg.setDefaults("/tmp")
 
@@ -629,8 +634,8 @@ func TestConfig_configureProvidersCustomProviderValidation(t *testing.T) {
 		err := cfg.configureProviders(env, resolver, []catwalk.Provider{})
 		assert.NoError(t, err)
 
-		assert.Len(t, cfg.Providers, 0)
-		_, exists := cfg.Providers["custom"]
+		assert.Equal(t, cfg.Providers.Len(), 0)
+		_, exists := cfg.Providers.Get("custom")
 		assert.False(t, exists)
 	})
 }
@@ -649,11 +654,11 @@ func TestConfig_configureProvidersEnhancedCredentialValidation(t *testing.T) {
 		}
 
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{
+			Providers: csync.NewMapFrom(map[string]ProviderConfig{
 				"vertexai": {
 					BaseURL: "custom-url",
 				},
-			},
+			}),
 		}
 		cfg.setDefaults("/tmp")
 
@@ -664,8 +669,8 @@ func TestConfig_configureProvidersEnhancedCredentialValidation(t *testing.T) {
 		err := cfg.configureProviders(env, resolver, knownProviders)
 		assert.NoError(t, err)
 
-		assert.Len(t, cfg.Providers, 0)
-		_, exists := cfg.Providers["vertexai"]
+		assert.Equal(t, cfg.Providers.Len(), 0)
+		_, exists := cfg.Providers.Get("vertexai")
 		assert.False(t, exists)
 	})
 
@@ -682,11 +687,11 @@ func TestConfig_configureProvidersEnhancedCredentialValidation(t *testing.T) {
 		}
 
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{
+			Providers: csync.NewMapFrom(map[string]ProviderConfig{
 				"bedrock": {
 					BaseURL: "custom-url",
 				},
-			},
+			}),
 		}
 		cfg.setDefaults("/tmp")
 
@@ -695,8 +700,8 @@ func TestConfig_configureProvidersEnhancedCredentialValidation(t *testing.T) {
 		err := cfg.configureProviders(env, resolver, knownProviders)
 		assert.NoError(t, err)
 
-		assert.Len(t, cfg.Providers, 0)
-		_, exists := cfg.Providers["bedrock"]
+		assert.Equal(t, cfg.Providers.Len(), 0)
+		_, exists := cfg.Providers.Get("bedrock")
 		assert.False(t, exists)
 	})
 
@@ -713,11 +718,11 @@ func TestConfig_configureProvidersEnhancedCredentialValidation(t *testing.T) {
 		}
 
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{
+			Providers: csync.NewMapFrom(map[string]ProviderConfig{
 				"openai": {
 					BaseURL: "custom-url",
 				},
-			},
+			}),
 		}
 		cfg.setDefaults("/tmp")
 
@@ -726,8 +731,8 @@ func TestConfig_configureProvidersEnhancedCredentialValidation(t *testing.T) {
 		err := cfg.configureProviders(env, resolver, knownProviders)
 		assert.NoError(t, err)
 
-		assert.Len(t, cfg.Providers, 0)
-		_, exists := cfg.Providers["openai"]
+		assert.Equal(t, cfg.Providers.Len(), 0)
+		_, exists := cfg.Providers.Get("openai")
 		assert.False(t, exists)
 	})
 
@@ -744,11 +749,11 @@ func TestConfig_configureProvidersEnhancedCredentialValidation(t *testing.T) {
 		}
 
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{
+			Providers: csync.NewMapFrom(map[string]ProviderConfig{
 				"openai": {
 					APIKey: "test-key",
 				},
-			},
+			}),
 		}
 		cfg.setDefaults("/tmp")
 
@@ -759,8 +764,8 @@ func TestConfig_configureProvidersEnhancedCredentialValidation(t *testing.T) {
 		err := cfg.configureProviders(env, resolver, knownProviders)
 		assert.NoError(t, err)
 
-		assert.Len(t, cfg.Providers, 1)
-		_, exists := cfg.Providers["openai"]
+		assert.Equal(t, cfg.Providers.Len(), 1)
+		_, exists := cfg.Providers.Get("openai")
 		assert.True(t, exists)
 	})
 }
@@ -883,7 +888,7 @@ func TestConfig_defaultModelSelection(t *testing.T) {
 		}
 
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{
+			Providers: csync.NewMapFrom(map[string]ProviderConfig{
 				"custom": {
 					APIKey:  "test-key",
 					BaseURL: "https://api.custom.com/v1",
@@ -894,7 +899,7 @@ func TestConfig_defaultModelSelection(t *testing.T) {
 						},
 					},
 				},
-			},
+			}),
 		}
 		cfg.setDefaults("/tmp")
 		env := env.NewFromMap(map[string]string{})
@@ -932,13 +937,13 @@ func TestConfig_defaultModelSelection(t *testing.T) {
 		}
 
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{
+			Providers: csync.NewMapFrom(map[string]ProviderConfig{
 				"custom": {
 					APIKey:  "test-key",
 					BaseURL: "https://api.custom.com/v1",
 					Models:  []catwalk.Model{},
 				},
-			},
+			}),
 		}
 		cfg.setDefaults("/tmp")
 		env := env.NewFromMap(map[string]string{})
@@ -969,7 +974,7 @@ func TestConfig_defaultModelSelection(t *testing.T) {
 		}
 
 		cfg := &Config{
-			Providers: map[string]ProviderConfig{
+			Providers: csync.NewMapFrom(map[string]ProviderConfig{
 				"custom": {
 					APIKey:  "test-key",
 					BaseURL: "https://api.custom.com/v1",
@@ -980,7 +985,7 @@ func TestConfig_defaultModelSelection(t *testing.T) {
 						},
 					},
 				},
-			},
+			}),
 		}
 		cfg.setDefaults("/tmp")
 		env := env.NewFromMap(map[string]string{})

internal/config/provider.go 🔗

@@ -2,10 +2,13 @@ package config
 
 import (
 	"encoding/json"
+	"fmt"
+	"log/slog"
 	"os"
 	"path/filepath"
 	"runtime"
 	"sync"
+	"time"
 
 	"github.com/charmbracelet/catwalk/pkg/catwalk"
 )
@@ -41,57 +44,88 @@ func providerCacheFileData() string {
 }
 
 func saveProvidersInCache(path string, providers []catwalk.Provider) error {
-	dir := filepath.Dir(path)
-	if err := os.MkdirAll(dir, 0o755); err != nil {
-		return err
+	slog.Info("Saving cached provider data", "path", path)
+	if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
+		return fmt.Errorf("failed to create directory for provider cache: %w", err)
 	}
 
 	data, err := json.MarshalIndent(providers, "", "  ")
 	if err != nil {
-		return err
+		return fmt.Errorf("failed to marshal provider data: %w", err)
 	}
 
-	return os.WriteFile(path, data, 0o644)
+	if err := os.WriteFile(path, data, 0o644); err != nil {
+		return fmt.Errorf("failed to write provider data to cache: %w", err)
+	}
+	return nil
 }
 
 func loadProvidersFromCache(path string) ([]catwalk.Provider, error) {
 	data, err := os.ReadFile(path)
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("failed to read provider cache file: %w", err)
 	}
 
 	var providers []catwalk.Provider
-	err = json.Unmarshal(data, &providers)
-	return providers, err
-}
-
-func loadProviders(path string, client ProviderClient) ([]catwalk.Provider, error) {
-	providers, err := client.GetProviders()
-	if err != nil {
-		fallbackToCache, err := loadProvidersFromCache(path)
-		if err != nil {
-			return nil, err
-		}
-		providers = fallbackToCache
-	} else {
-		if err := saveProvidersInCache(path, providerList); err != nil {
-			return nil, err
-		}
+	if err := json.Unmarshal(data, &providers); err != nil {
+		return nil, fmt.Errorf("failed to unmarshal provider data from cache: %w", err)
 	}
 	return providers, nil
 }
 
 func Providers() ([]catwalk.Provider, error) {
-	return LoadProviders(catwalk.NewWithURL(catwalkURL))
+	client := catwalk.NewWithURL(catwalkURL)
+	path := providerCacheFileData()
+	return loadProvidersOnce(client, path)
 }
 
-func LoadProviders(client ProviderClient) ([]catwalk.Provider, error) {
+func loadProvidersOnce(client ProviderClient, path string) ([]catwalk.Provider, error) {
 	var err error
 	providerOnce.Do(func() {
-		providerList, err = loadProviders(providerCacheFileData(), client)
+		providerList, err = loadProviders(client, path)
 	})
 	if err != nil {
 		return nil, err
 	}
 	return providerList, nil
 }
+
+func loadProviders(client ProviderClient, path string) (providerList []catwalk.Provider, err error) {
+	// if cache is not stale, load from it
+	stale, exists := isCacheStale(path)
+	if !stale {
+		slog.Info("Using cached provider data", "path", path)
+		providerList, err = loadProvidersFromCache(path)
+		if len(providerList) > 0 && err == nil {
+			go func() {
+				slog.Info("Updating provider cache in background")
+				updated, uerr := client.GetProviders()
+				if len(updated) > 0 && uerr == nil {
+					_ = saveProvidersInCache(path, updated)
+				}
+			}()
+			return
+		}
+	}
+
+	slog.Info("Getting live provider data")
+	providerList, err = client.GetProviders()
+	if len(providerList) > 0 && err == nil {
+		err = saveProvidersInCache(path, providerList)
+		return
+	}
+	if !exists {
+		err = fmt.Errorf("failed to load providers")
+		return
+	}
+	providerList, err = loadProvidersFromCache(path)
+	return
+}
+
+func isCacheStale(path string) (stale, exists bool) {
+	info, err := os.Stat(path)
+	if err != nil {
+		return true, false
+	}
+	return time.Since(info.ModTime()) > 24*time.Hour, true
+}

internal/config/provider_empty_test.go 🔗

@@ -0,0 +1,47 @@
+package config
+
+import (
+	"encoding/json"
+	"os"
+	"testing"
+
+	"github.com/charmbracelet/catwalk/pkg/catwalk"
+	"github.com/stretchr/testify/require"
+)
+
+type emptyProviderClient struct{}
+
+func (m *emptyProviderClient) GetProviders() ([]catwalk.Provider, error) {
+	return []catwalk.Provider{}, nil
+}
+
+func TestProvider_loadProvidersEmptyResult(t *testing.T) {
+	client := &emptyProviderClient{}
+	tmpPath := t.TempDir() + "/providers.json"
+
+	providers, err := loadProviders(client, tmpPath)
+	require.EqualError(t, err, "failed to load providers")
+	require.Empty(t, providers)
+	require.Len(t, providers, 0)
+
+	// Check that no cache file was created for empty results
+	require.NoFileExists(t, tmpPath, "Cache file should not exist for empty results")
+}
+
+func TestProvider_loadProvidersEmptyCache(t *testing.T) {
+	client := &mockProviderClient{shouldFail: false}
+	tmpPath := t.TempDir() + "/providers.json"
+
+	// Create an empty cache file
+	emptyProviders := []catwalk.Provider{}
+	data, err := json.Marshal(emptyProviders)
+	require.NoError(t, err)
+	require.NoError(t, os.WriteFile(tmpPath, data, 0o644))
+
+	// Should refresh and get real providers instead of using empty cache
+	providers, err := loadProviders(client, tmpPath)
+	require.NoError(t, err)
+	require.NotNil(t, providers)
+	require.Len(t, providers, 1)
+	require.Equal(t, "Mock", providers[0].Name)
+}

internal/config/provider_test.go 🔗

@@ -28,7 +28,7 @@ func (m *mockProviderClient) GetProviders() ([]catwalk.Provider, error) {
 func TestProvider_loadProvidersNoIssues(t *testing.T) {
 	client := &mockProviderClient{shouldFail: false}
 	tmpPath := t.TempDir() + "/providers.json"
-	providers, err := loadProviders(tmpPath, client)
+	providers, err := loadProviders(client, tmpPath)
 	assert.NoError(t, err)
 	assert.NotNil(t, providers)
 	assert.Len(t, providers, 1)
@@ -57,7 +57,7 @@ func TestProvider_loadProvidersWithIssues(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Failed to write old providers to file: %v", err)
 	}
-	providers, err := loadProviders(tmpPath, client)
+	providers, err := loadProviders(client, tmpPath)
 	assert.NoError(t, err)
 	assert.NotNil(t, providers)
 	assert.Len(t, providers, 1)
@@ -67,7 +67,7 @@ func TestProvider_loadProvidersWithIssues(t *testing.T) {
 func TestProvider_loadProvidersWithIssuesAndNoCache(t *testing.T) {
 	client := &mockProviderClient{shouldFail: true}
 	tmpPath := t.TempDir() + "/providers.json"
-	providers, err := loadProviders(tmpPath, client)
+	providers, err := loadProviders(client, tmpPath)
 	assert.Error(t, err)
 	assert.Nil(t, providers, "Expected nil providers when loading fails and no cache exists")
 }

internal/csync/maps.go 🔗

@@ -0,0 +1,92 @@
+package csync
+
+import (
+	"encoding/json"
+	"iter"
+	"maps"
+	"sync"
+)
+
+// Map is a concurrent map implementation that provides thread-safe access.
+type Map[K comparable, V any] struct {
+	inner map[K]V
+	mu    sync.RWMutex
+}
+
+// NewMap creates a new thread-safe map with the specified key and value types.
+func NewMap[K comparable, V any]() *Map[K, V] {
+	return &Map[K, V]{
+		inner: make(map[K]V),
+	}
+}
+
+// NewMapFrom creates a new thread-safe map from an existing map.
+func NewMapFrom[K comparable, V any](m map[K]V) *Map[K, V] {
+	return &Map[K, V]{
+		inner: m,
+	}
+}
+
+// Set sets the value for the specified key in the map.
+func (m *Map[K, V]) Set(key K, value V) {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+	m.inner[key] = value
+}
+
+// Del deletes the specified key from the map.
+func (m *Map[K, V]) Del(key K) {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+	delete(m.inner, key)
+}
+
+// Get gets the value for the specified key from the map.
+func (m *Map[K, V]) Get(key K) (V, bool) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+	v, ok := m.inner[key]
+	return v, ok
+}
+
+// Len returns the number of items in the map.
+func (m *Map[K, V]) Len() int {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+	return len(m.inner)
+}
+
+// Seq2 returns an iter.Seq2 that yields key-value pairs from the map.
+func (m *Map[K, V]) Seq2() iter.Seq2[K, V] {
+	dst := make(map[K]V)
+	m.mu.RLock()
+	maps.Copy(dst, m.inner)
+	m.mu.RUnlock()
+	return func(yield func(K, V) bool) {
+		for k, v := range dst {
+			if !yield(k, v) {
+				return
+			}
+		}
+	}
+}
+
+var (
+	_ json.Unmarshaler = &Map[string, any]{}
+	_ json.Marshaler   = &Map[string, any]{}
+)
+
+// UnmarshalJSON implements json.Unmarshaler.
+func (m *Map[K, V]) UnmarshalJSON(data []byte) error {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+	m.inner = make(map[K]V)
+	return json.Unmarshal(data, &m.inner)
+}
+
+// MarshalJSON implements json.Marshaler.
+func (m *Map[K, V]) MarshalJSON() ([]byte, error) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+	return json.Marshal(m.inner)
+}

internal/csync/maps_test.go 🔗

@@ -0,0 +1,452 @@
+package csync
+
+import (
+	"encoding/json"
+	"maps"
+	"sync"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNewMap(t *testing.T) {
+	t.Parallel()
+
+	m := NewMap[string, int]()
+	assert.NotNil(t, m)
+	assert.NotNil(t, m.inner)
+	assert.Equal(t, 0, m.Len())
+}
+
+func TestNewMapFrom(t *testing.T) {
+	t.Parallel()
+
+	original := map[string]int{
+		"key1": 1,
+		"key2": 2,
+	}
+
+	m := NewMapFrom(original)
+	assert.NotNil(t, m)
+	assert.Equal(t, original, m.inner)
+	assert.Equal(t, 2, m.Len())
+
+	value, ok := m.Get("key1")
+	assert.True(t, ok)
+	assert.Equal(t, 1, value)
+}
+
+func TestMap_Set(t *testing.T) {
+	t.Parallel()
+
+	m := NewMap[string, int]()
+
+	m.Set("key1", 42)
+	value, ok := m.Get("key1")
+	assert.True(t, ok)
+	assert.Equal(t, 42, value)
+	assert.Equal(t, 1, m.Len())
+
+	m.Set("key1", 100)
+	value, ok = m.Get("key1")
+	assert.True(t, ok)
+	assert.Equal(t, 100, value)
+	assert.Equal(t, 1, m.Len())
+}
+
+func TestMap_Get(t *testing.T) {
+	t.Parallel()
+
+	m := NewMap[string, int]()
+
+	value, ok := m.Get("nonexistent")
+	assert.False(t, ok)
+	assert.Equal(t, 0, value)
+
+	m.Set("key1", 42)
+	value, ok = m.Get("key1")
+	assert.True(t, ok)
+	assert.Equal(t, 42, value)
+}
+
+func TestMap_Del(t *testing.T) {
+	t.Parallel()
+
+	m := NewMap[string, int]()
+	m.Set("key1", 42)
+	m.Set("key2", 100)
+
+	assert.Equal(t, 2, m.Len())
+
+	m.Del("key1")
+	_, ok := m.Get("key1")
+	assert.False(t, ok)
+	assert.Equal(t, 1, m.Len())
+
+	value, ok := m.Get("key2")
+	assert.True(t, ok)
+	assert.Equal(t, 100, value)
+
+	m.Del("nonexistent")
+	assert.Equal(t, 1, m.Len())
+}
+
+func TestMap_Len(t *testing.T) {
+	t.Parallel()
+
+	m := NewMap[string, int]()
+	assert.Equal(t, 0, m.Len())
+
+	m.Set("key1", 1)
+	assert.Equal(t, 1, m.Len())
+
+	m.Set("key2", 2)
+	assert.Equal(t, 2, m.Len())
+
+	m.Del("key1")
+	assert.Equal(t, 1, m.Len())
+
+	m.Del("key2")
+	assert.Equal(t, 0, m.Len())
+}
+
+func TestMap_Seq2(t *testing.T) {
+	t.Parallel()
+
+	m := NewMap[string, int]()
+	m.Set("key1", 1)
+	m.Set("key2", 2)
+	m.Set("key3", 3)
+
+	collected := maps.Collect(m.Seq2())
+
+	assert.Equal(t, 3, len(collected))
+	assert.Equal(t, 1, collected["key1"])
+	assert.Equal(t, 2, collected["key2"])
+	assert.Equal(t, 3, collected["key3"])
+}
+
+func TestMap_Seq2_EarlyReturn(t *testing.T) {
+	t.Parallel()
+
+	m := NewMap[string, int]()
+	m.Set("key1", 1)
+	m.Set("key2", 2)
+	m.Set("key3", 3)
+
+	count := 0
+	for range m.Seq2() {
+		count++
+		if count == 2 {
+			break
+		}
+	}
+
+	assert.Equal(t, 2, count)
+}
+
+func TestMap_Seq2_EmptyMap(t *testing.T) {
+	t.Parallel()
+
+	m := NewMap[string, int]()
+
+	count := 0
+	for range m.Seq2() {
+		count++
+	}
+
+	assert.Equal(t, 0, count)
+}
+
+func TestMap_MarshalJSON(t *testing.T) {
+	t.Parallel()
+
+	m := NewMap[string, int]()
+	m.Set("key1", 1)
+	m.Set("key2", 2)
+
+	data, err := json.Marshal(m)
+	assert.NoError(t, err)
+
+	result := &Map[string, int]{}
+	err = json.Unmarshal(data, result)
+	assert.NoError(t, err)
+	assert.Equal(t, 2, result.Len())
+	v1, _ := result.Get("key1")
+	v2, _ := result.Get("key2")
+	assert.Equal(t, 1, v1)
+	assert.Equal(t, 2, v2)
+}
+
+func TestMap_MarshalJSON_EmptyMap(t *testing.T) {
+	t.Parallel()
+
+	m := NewMap[string, int]()
+
+	data, err := json.Marshal(m)
+	assert.NoError(t, err)
+	assert.Equal(t, "{}", string(data))
+}
+
+func TestMap_UnmarshalJSON(t *testing.T) {
+	t.Parallel()
+
+	jsonData := `{"key1": 1, "key2": 2}`
+
+	m := NewMap[string, int]()
+	err := json.Unmarshal([]byte(jsonData), m)
+	assert.NoError(t, err)
+
+	assert.Equal(t, 2, m.Len())
+	value, ok := m.Get("key1")
+	assert.True(t, ok)
+	assert.Equal(t, 1, value)
+
+	value, ok = m.Get("key2")
+	assert.True(t, ok)
+	assert.Equal(t, 2, value)
+}
+
+func TestMap_UnmarshalJSON_EmptyJSON(t *testing.T) {
+	t.Parallel()
+
+	jsonData := `{}`
+
+	m := NewMap[string, int]()
+	err := json.Unmarshal([]byte(jsonData), m)
+	assert.NoError(t, err)
+	assert.Equal(t, 0, m.Len())
+}
+
+func TestMap_UnmarshalJSON_InvalidJSON(t *testing.T) {
+	t.Parallel()
+
+	jsonData := `{"key1": 1, "key2":}`
+
+	m := NewMap[string, int]()
+	err := json.Unmarshal([]byte(jsonData), m)
+	assert.Error(t, err)
+}
+
+func TestMap_UnmarshalJSON_OverwritesExistingData(t *testing.T) {
+	t.Parallel()
+
+	m := NewMap[string, int]()
+	m.Set("existing", 999)
+
+	jsonData := `{"key1": 1, "key2": 2}`
+	err := json.Unmarshal([]byte(jsonData), m)
+	assert.NoError(t, err)
+
+	assert.Equal(t, 2, m.Len())
+	_, ok := m.Get("existing")
+	assert.False(t, ok)
+
+	value, ok := m.Get("key1")
+	assert.True(t, ok)
+	assert.Equal(t, 1, value)
+}
+
+func TestMap_JSONRoundTrip(t *testing.T) {
+	t.Parallel()
+
+	original := NewMap[string, int]()
+	original.Set("key1", 1)
+	original.Set("key2", 2)
+	original.Set("key3", 3)
+
+	data, err := json.Marshal(original)
+	assert.NoError(t, err)
+
+	restored := NewMap[string, int]()
+	err = json.Unmarshal(data, restored)
+	assert.NoError(t, err)
+
+	assert.Equal(t, original.Len(), restored.Len())
+
+	for k, v := range original.Seq2() {
+		restoredValue, ok := restored.Get(k)
+		assert.True(t, ok)
+		assert.Equal(t, v, restoredValue)
+	}
+}
+
+func TestMap_ConcurrentAccess(t *testing.T) {
+	t.Parallel()
+
+	m := NewMap[int, int]()
+	const numGoroutines = 100
+	const numOperations = 100
+
+	var wg sync.WaitGroup
+	wg.Add(numGoroutines)
+
+	for i := range numGoroutines {
+		go func(id int) {
+			defer wg.Done()
+			for j := range numOperations {
+				key := id*numOperations + j
+				m.Set(key, key*2)
+				value, ok := m.Get(key)
+				assert.True(t, ok)
+				assert.Equal(t, key*2, value)
+			}
+		}(i)
+	}
+
+	wg.Wait()
+
+	assert.Equal(t, numGoroutines*numOperations, m.Len())
+}
+
+func TestMap_ConcurrentReadWrite(t *testing.T) {
+	t.Parallel()
+
+	m := NewMap[int, int]()
+	const numReaders = 50
+	const numWriters = 50
+	const numOperations = 100
+
+	for i := range 1000 {
+		m.Set(i, i)
+	}
+
+	var wg sync.WaitGroup
+	wg.Add(numReaders + numWriters)
+
+	for range numReaders {
+		go func() {
+			defer wg.Done()
+			for j := range numOperations {
+				key := j % 1000
+				value, ok := m.Get(key)
+				if ok {
+					assert.Equal(t, key, value)
+				}
+				_ = m.Len()
+			}
+		}()
+	}
+
+	for i := range numWriters {
+		go func(id int) {
+			defer wg.Done()
+			for j := range numOperations {
+				key := 1000 + id*numOperations + j
+				m.Set(key, key)
+				if j%10 == 0 {
+					m.Del(key)
+				}
+			}
+		}(i)
+	}
+
+	wg.Wait()
+}
+
+func TestMap_ConcurrentSeq2(t *testing.T) {
+	t.Parallel()
+
+	m := NewMap[int, int]()
+	for i := range 100 {
+		m.Set(i, i*2)
+	}
+
+	var wg sync.WaitGroup
+	const numIterators = 10
+
+	wg.Add(numIterators)
+	for range numIterators {
+		go func() {
+			defer wg.Done()
+			count := 0
+			for k, v := range m.Seq2() {
+				assert.Equal(t, k*2, v)
+				count++
+			}
+			assert.Equal(t, 100, count)
+		}()
+	}
+
+	wg.Wait()
+}
+
+func TestMap_TypeSafety(t *testing.T) {
+	t.Parallel()
+
+	stringIntMap := NewMap[string, int]()
+	stringIntMap.Set("key", 42)
+	value, ok := stringIntMap.Get("key")
+	assert.True(t, ok)
+	assert.Equal(t, 42, value)
+
+	intStringMap := NewMap[int, string]()
+	intStringMap.Set(42, "value")
+	strValue, ok := intStringMap.Get(42)
+	assert.True(t, ok)
+	assert.Equal(t, "value", strValue)
+
+	structMap := NewMap[string, struct{ Name string }]()
+	structMap.Set("key", struct{ Name string }{Name: "test"})
+	structValue, ok := structMap.Get("key")
+	assert.True(t, ok)
+	assert.Equal(t, "test", structValue.Name)
+}
+
+func TestMap_InterfaceCompliance(t *testing.T) {
+	t.Parallel()
+
+	var _ json.Marshaler = &Map[string, any]{}
+	var _ json.Unmarshaler = &Map[string, any]{}
+}
+
+func BenchmarkMap_Set(b *testing.B) {
+	m := NewMap[int, int]()
+
+	for i := 0; b.Loop(); i++ {
+		m.Set(i, i*2)
+	}
+}
+
+func BenchmarkMap_Get(b *testing.B) {
+	m := NewMap[int, int]()
+	for i := range 1000 {
+		m.Set(i, i*2)
+	}
+
+	for i := 0; b.Loop(); i++ {
+		m.Get(i % 1000)
+	}
+}
+
+func BenchmarkMap_Seq2(b *testing.B) {
+	m := NewMap[int, int]()
+	for i := range 1000 {
+		m.Set(i, i*2)
+	}
+
+	for b.Loop() {
+		for range m.Seq2() {
+		}
+	}
+}
+
+func BenchmarkMap_ConcurrentReadWrite(b *testing.B) {
+	m := NewMap[int, int]()
+	for i := range 1000 {
+		m.Set(i, i*2)
+	}
+
+	b.ResetTimer()
+	b.RunParallel(func(pb *testing.PB) {
+		i := 0
+		for pb.Next() {
+			if i%2 == 0 {
+				m.Get(i % 1000)
+			} else {
+				m.Set(i+1000, i*2)
+			}
+			i++
+		}
+	})
+}

internal/csync/slices.go 🔗

@@ -0,0 +1,36 @@
+package csync
+
+import (
+	"iter"
+	"sync"
+)
+
+// LazySlice is a thread-safe lazy-loaded slice.
+type LazySlice[K any] struct {
+	inner []K
+	wg    sync.WaitGroup
+}
+
+// NewLazySlice creates a new slice and runs the [load] function in a goroutine
+// to populate it.
+func NewLazySlice[K any](load func() []K) *LazySlice[K] {
+	s := &LazySlice[K]{}
+	s.wg.Add(1)
+	go func() {
+		s.inner = load()
+		s.wg.Done()
+	}()
+	return s
+}
+
+// Seq returns an iterator that yields elements from the slice.
+func (s *LazySlice[K]) Seq() iter.Seq[K] {
+	s.wg.Wait()
+	return func(yield func(K) bool) {
+		for _, v := range s.inner {
+			if !yield(v) {
+				return
+			}
+		}
+	}
+}

internal/csync/slices_test.go 🔗

@@ -0,0 +1,87 @@
+package csync
+
+import (
+	"sync/atomic"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestLazySlice_Seq(t *testing.T) {
+	t.Parallel()
+
+	data := []string{"a", "b", "c"}
+	s := NewLazySlice(func() []string {
+		// TODO: use synctest when new Go is out.
+		time.Sleep(10 * time.Millisecond) // Small delay to ensure loading happens
+		return data
+	})
+
+	var result []string
+	for v := range s.Seq() {
+		result = append(result, v)
+	}
+
+	assert.Equal(t, data, result)
+}
+
+func TestLazySlice_SeqWaitsForLoading(t *testing.T) {
+	t.Parallel()
+
+	var loaded atomic.Bool
+	data := []string{"x", "y", "z"}
+
+	s := NewLazySlice(func() []string {
+		// TODO: use synctest when new Go is out.
+		time.Sleep(100 * time.Millisecond)
+		loaded.Store(true)
+		return data
+	})
+
+	assert.False(t, loaded.Load(), "should not be loaded immediately")
+
+	var result []string
+	for v := range s.Seq() {
+		result = append(result, v)
+	}
+
+	assert.True(t, loaded.Load(), "should be loaded after Seq")
+	assert.Equal(t, data, result)
+}
+
+func TestLazySlice_EmptySlice(t *testing.T) {
+	t.Parallel()
+
+	s := NewLazySlice(func() []string {
+		return []string{}
+	})
+
+	var result []string
+	for v := range s.Seq() {
+		result = append(result, v)
+	}
+
+	assert.Empty(t, result)
+}
+
+func TestLazySlice_EarlyBreak(t *testing.T) {
+	t.Parallel()
+
+	data := []string{"a", "b", "c", "d", "e"}
+	s := NewLazySlice(func() []string {
+		// TODO: use synctest when new Go is out.
+		time.Sleep(10 * time.Millisecond) // Small delay to ensure loading happens
+		return data
+	})
+
+	var result []string
+	for v := range s.Seq() {
+		result = append(result, v)
+		if len(result) == 2 {
+			break
+		}
+	}
+
+	assert.Equal(t, []string{"a", "b"}, result)
+}

internal/llm/agent/agent.go 🔗

@@ -12,6 +12,7 @@ import (
 
 	"github.com/charmbracelet/catwalk/pkg/catwalk"
 	"github.com/charmbracelet/crush/internal/config"
+	"github.com/charmbracelet/crush/internal/csync"
 	"github.com/charmbracelet/crush/internal/history"
 	"github.com/charmbracelet/crush/internal/llm/prompt"
 	"github.com/charmbracelet/crush/internal/llm/provider"
@@ -68,7 +69,8 @@ type agent struct {
 	sessions session.Service
 	messages message.Service
 
-	tools      []tools.BaseTool
+	tools *csync.LazySlice[tools.BaseTool]
+
 	provider   provider.Provider
 	providerID string
 
@@ -95,25 +97,8 @@ func NewAgent(
 ) (Service, error) {
 	ctx := context.Background()
 	cfg := config.Get()
-	otherTools := GetMCPTools(ctx, permissions, cfg)
-	if len(lspClients) > 0 {
-		otherTools = append(otherTools, tools.NewDiagnosticsTool(lspClients))
-	}
-
-	cwd := cfg.WorkingDir()
-	allTools := []tools.BaseTool{
-		tools.NewBashTool(permissions, cwd),
-		tools.NewDownloadTool(permissions, cwd),
-		tools.NewEditTool(lspClients, permissions, history, cwd),
-		tools.NewFetchTool(permissions, cwd),
-		tools.NewGlobTool(cwd),
-		tools.NewGrepTool(cwd),
-		tools.NewLsTool(cwd),
-		tools.NewSourcegraphTool(),
-		tools.NewViewTool(lspClients, cwd),
-		tools.NewWriteTool(lspClients, permissions, history, cwd),
-	}
 
+	var agentTool tools.BaseTool
 	if agentCfg.ID == "coder" {
 		taskAgentCfg := config.Get().Agents["task"]
 		if taskAgentCfg.ID == "" {
@@ -124,17 +109,9 @@ func NewAgent(
 			return nil, fmt.Errorf("failed to create task agent: %w", err)
 		}
 
-		allTools = append(
-			allTools,
-			NewAgentTool(
-				taskAgent,
-				sessions,
-				messages,
-			),
-		)
+		agentTool = NewAgentTool(taskAgent, sessions, messages)
 	}
 
-	allTools = append(allTools, otherTools...)
 	providerCfg := config.Get().GetProviderForModel(agentCfg.Model)
 	if providerCfg == nil {
 		return nil, fmt.Errorf("provider for agent %s not found in config", agentCfg.Name)
@@ -191,32 +168,63 @@ func NewAgent(
 		return nil, err
 	}
 
-	agentTools := []tools.BaseTool{}
-	if agentCfg.AllowedTools == nil {
-		agentTools = allTools
-	} else {
+	toolFn := func() []tools.BaseTool {
+		slog.Info("Initializing agent tools", "agent", agentCfg.ID)
+		defer func() {
+			slog.Info("Initialized agent tools", "agent", agentCfg.ID)
+		}()
+
+		cwd := cfg.WorkingDir()
+		allTools := []tools.BaseTool{
+			tools.NewBashTool(permissions, cwd),
+			tools.NewDownloadTool(permissions, cwd),
+			tools.NewEditTool(lspClients, permissions, history, cwd),
+			tools.NewFetchTool(permissions, cwd),
+			tools.NewGlobTool(cwd),
+			tools.NewGrepTool(cwd),
+			tools.NewLsTool(cwd),
+			tools.NewSourcegraphTool(),
+			tools.NewViewTool(lspClients, cwd),
+			tools.NewWriteTool(lspClients, permissions, history, cwd),
+		}
+
+		mcpTools := GetMCPTools(ctx, permissions, cfg)
+		allTools = append(allTools, mcpTools...)
+
+		if len(lspClients) > 0 {
+			allTools = append(allTools, tools.NewDiagnosticsTool(lspClients))
+		}
+
+		if agentTool != nil {
+			allTools = append(allTools, agentTool)
+		}
+
+		if agentCfg.AllowedTools == nil {
+			return allTools
+		}
+
+		var filteredTools []tools.BaseTool
 		for _, tool := range allTools {
 			if slices.Contains(agentCfg.AllowedTools, tool.Name()) {
-				agentTools = append(agentTools, tool)
+				filteredTools = append(filteredTools, tool)
 			}
 		}
+		return filteredTools
 	}
 
-	agent := &agent{
+	return &agent{
 		Broker:              pubsub.NewBroker[AgentEvent](),
 		agentCfg:            agentCfg,
 		provider:            agentProvider,
 		providerID:          string(providerCfg.ID),
 		messages:            messages,
 		sessions:            sessions,
-		tools:               agentTools,
 		titleProvider:       titleProvider,
 		summarizeProvider:   summarizeProvider,
 		summarizeProviderID: string(smallModelProviderCfg.ID),
 		activeRequests:      sync.Map{},
-	}
-
-	return agent, nil
+		tools:               csync.NewLazySlice(toolFn),
+	}, nil
 }
 
 func (a *agent) Model() catwalk.Model {
@@ -284,7 +292,7 @@ func (a *agent) generateTitle(ctx context.Context, sessionID string, content str
 				Parts: parts,
 			},
 		},
-		make([]tools.BaseTool, 0),
+		nil,
 	)
 
 	var finalResponse *provider.ProviderResponse
@@ -438,7 +446,7 @@ func (a *agent) createUserMessage(ctx context.Context, sessionID, content string
 
 func (a *agent) streamAndHandleEvents(ctx context.Context, sessionID string, msgHistory []message.Message) (message.Message, *message.Message, error) {
 	ctx = context.WithValue(ctx, tools.SessionIDContextKey, sessionID)
-	eventChan := a.provider.StreamResponse(ctx, msgHistory, a.tools)
+	eventChan := a.provider.StreamResponse(ctx, msgHistory, slices.Collect(a.tools.Seq()))
 
 	assistantMsg, err := a.messages.Create(ctx, sessionID, message.CreateMessageParams{
 		Role:     message.Assistant,
@@ -487,7 +495,7 @@ func (a *agent) streamAndHandleEvents(ctx context.Context, sessionID string, msg
 		default:
 			// Continue processing
 			var tool tools.BaseTool
-			for _, availableTool := range a.tools {
+			for availableTool := range a.tools.Seq() {
 				if availableTool.Info().Name == toolCall.Name {
 					tool = availableTool
 					break
@@ -737,7 +745,7 @@ func (a *agent) Summarize(ctx context.Context, sessionID string) error {
 		response := a.summarizeProvider.StreamResponse(
 			summarizeCtx,
 			msgsWithPrompt,
-			make([]tools.BaseTool, 0),
+			nil,
 		)
 		var finalResponse *provider.ProviderResponse
 		for r := range response {
@@ -899,7 +907,7 @@ func (a *agent) UpdateModel() error {
 	smallModelCfg := cfg.Models[config.SelectedModelTypeSmall]
 	var smallModelProviderCfg config.ProviderConfig
 
-	for _, p := range cfg.Providers {
+	for _, p := range cfg.Providers.Seq2() {
 		if p.ID == smallModelCfg.Provider {
 			smallModelProviderCfg = p
 			break

internal/llm/provider/gemini.go 🔗

@@ -188,9 +188,7 @@ func (g *geminiClient) send(ctx context.Context, messages []message.Message, too
 			Parts: []*genai.Part{{Text: g.providerOptions.systemMessage}},
 		},
 	}
-	if len(tools) > 0 {
-		config.Tools = g.convertTools(tools)
-	}
+	config.Tools = g.convertTools(tools)
 	chat, _ := g.client.Chats.Create(ctx, model.ID, config, history)
 
 	attempts := 0
@@ -290,9 +288,7 @@ func (g *geminiClient) stream(ctx context.Context, messages []message.Message, t
 			Parts: []*genai.Part{{Text: g.providerOptions.systemMessage}},
 		},
 	}
-	if len(tools) > 0 {
-		config.Tools = g.convertTools(tools)
-	}
+	config.Tools = g.convertTools(tools)
 	chat, _ := g.client.Chats.Create(ctx, model.ID, config, history)
 
 	attempts := 0

internal/llm/provider/openai_test.go 🔗

@@ -11,7 +11,6 @@ import (
 
 	"github.com/charmbracelet/catwalk/pkg/catwalk"
 	"github.com/charmbracelet/crush/internal/config"
-	"github.com/charmbracelet/crush/internal/llm/tools"
 	"github.com/charmbracelet/crush/internal/message"
 	"github.com/openai/openai-go"
 	"github.com/openai/openai-go/option"
@@ -79,7 +78,7 @@ func TestOpenAIClientStreamChoices(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()
 
-	eventsChan := client.stream(ctx, messages, []tools.BaseTool{})
+	eventsChan := client.stream(ctx, messages, nil)
 
 	// Collect events - this will panic without the bounds check
 	for event := range eventsChan {

internal/tui/components/chat/splash/splash.go 🔗

@@ -425,7 +425,7 @@ func (s *splashCmp) getProvider(providerID catwalk.InferenceProvider) (*catwalk.
 
 func (s *splashCmp) isProviderConfigured(providerID string) bool {
 	cfg := config.Get()
-	if _, ok := cfg.Providers[providerID]; ok {
+	if _, ok := cfg.Providers.Get(providerID); ok {
 		return true
 	}
 	return false

internal/tui/components/dialogs/models/list.go 🔗

@@ -103,7 +103,7 @@ func (m *ModelListComponent) SetModelType(modelType int) tea.Cmd {
 	if err != nil {
 		return util.ReportError(err)
 	}
-	for providerID, providerConfig := range cfg.Providers {
+	for providerID, providerConfig := range cfg.Providers.Seq2() {
 		if providerConfig.Disable {
 			continue
 		}
@@ -164,7 +164,7 @@ func (m *ModelListComponent) SetModelType(modelType int) tea.Cmd {
 		}
 
 		// Check if this provider is configured and not disabled
-		if providerConfig, exists := cfg.Providers[string(provider.ID)]; exists && providerConfig.Disable {
+		if providerConfig, exists := cfg.Providers.Get(string(provider.ID)); exists && providerConfig.Disable {
 			continue
 		}
 
@@ -174,7 +174,7 @@ func (m *ModelListComponent) SetModelType(modelType int) tea.Cmd {
 		}
 
 		section := commands.NewItemSection(name)
-		if _, ok := cfg.Providers[string(provider.ID)]; ok {
+		if _, ok := cfg.Providers.Get(string(provider.ID)); ok {
 			section.SetInfo(configured)
 		}
 		modelItems = append(modelItems, section)

internal/tui/components/dialogs/models/models.go 🔗

@@ -357,7 +357,7 @@ func (m *modelDialogCmp) modelTypeRadio() string {
 
 func (m *modelDialogCmp) isProviderConfigured(providerID string) bool {
 	cfg := config.Get()
-	if _, ok := cfg.Providers[providerID]; ok {
+	if _, ok := cfg.Providers.Get(providerID); ok {
 		return true
 	}
 	return false