config.go

  1package config
  2
  3import (
  4	"context"
  5	"fmt"
  6	"log/slog"
  7	"net/http"
  8	"net/url"
  9	"os"
 10	"slices"
 11	"strings"
 12	"time"
 13
 14	"github.com/charmbracelet/catwalk/pkg/catwalk"
 15	"github.com/charmbracelet/crush/internal/csync"
 16	"github.com/charmbracelet/crush/internal/env"
 17	"github.com/tidwall/sjson"
 18)
 19
 20const (
 21	appName              = "crush"
 22	defaultDataDirectory = ".crush"
 23)
 24
 25var defaultContextPaths = []string{
 26	".github/copilot-instructions.md",
 27	".cursorrules",
 28	".cursor/rules/",
 29	"CLAUDE.md",
 30	"CLAUDE.local.md",
 31	"GEMINI.md",
 32	"gemini.md",
 33	"crush.md",
 34	"crush.local.md",
 35	"Crush.md",
 36	"Crush.local.md",
 37	"CRUSH.md",
 38	"CRUSH.local.md",
 39	"AGENTS.md",
 40	"agents.md",
 41	"Agents.md",
 42}
 43
 44type SelectedModelType string
 45
 46const (
 47	SelectedModelTypeLarge SelectedModelType = "large"
 48	SelectedModelTypeSmall SelectedModelType = "small"
 49)
 50
 51const (
 52	AgentCoder string = "coder"
 53	AgentTask  string = "task"
 54	AgentFetch string = "fetch"
 55)
 56
 57type SelectedModel struct {
 58	// The model id as used by the provider API.
 59	// Required.
 60	Model string `json:"model" jsonschema:"required,description=The model ID as used by the provider API,example=gpt-4o"`
 61	// The model provider, same as the key/id used in the providers config.
 62	// Required.
 63	Provider string `json:"provider" jsonschema:"required,description=The model provider ID that matches a key in the providers config,example=openai"`
 64
 65	// Only used by models that use the openai provider and need this set.
 66	ReasoningEffort string `json:"reasoning_effort,omitempty" jsonschema:"description=Reasoning effort level for OpenAI models that support it,enum=low,enum=medium,enum=high"`
 67
 68	// Used by anthropic models that can reason to indicate if the model should think.
 69	Think bool `json:"think,omitempty" jsonschema:"description=Enable thinking mode for Anthropic models that support reasoning"`
 70
 71	// Overrides the default model configuration.
 72	MaxTokens        int64    `json:"max_tokens,omitempty" jsonschema:"description=Maximum number of tokens for model responses,minimum=1,maximum=200000,example=4096"`
 73	Temperature      *float64 `json:"temperature,omitempty" jsonschema:"description=Sampling temperature,minimum=0,maximum=1,example=0.7"`
 74	TopP             *float64 `json:"top_p,omitempty" jsonschema:"description=Top-p (nucleus) sampling parameter,minimum=0,maximum=1,example=0.9"`
 75	TopK             *int64   `json:"top_k,omitempty" jsonschema:"description=Top-k sampling parameter"`
 76	FrequencyPenalty *float64 `json:"frequency_penalty,omitempty" jsonschema:"description=Frequency penalty to reduce repetition"`
 77	PresencePenalty  *float64 `json:"presence_penalty,omitempty" jsonschema:"description=Presence penalty to increase topic diversity"`
 78
 79	// Override provider specific options.
 80	ProviderOptions map[string]any `json:"provider_options,omitempty" jsonschema:"description=Additional provider-specific options for the model"`
 81}
 82
 83type ProviderConfig struct {
 84	// The provider's id.
 85	ID string `json:"id,omitempty" jsonschema:"description=Unique identifier for the provider,example=openai"`
 86	// The provider's name, used for display purposes.
 87	Name string `json:"name,omitempty" jsonschema:"description=Human-readable name for the provider,example=OpenAI"`
 88	// The provider's API endpoint.
 89	BaseURL string `json:"base_url,omitempty" jsonschema:"description=Base URL for the provider's API,format=uri,example=https://api.openai.com/v1"`
 90	// The provider type, e.g. "openai", "anthropic", etc. if empty it defaults to openai.
 91	Type catwalk.Type `json:"type,omitempty" jsonschema:"description=Provider type that determines the API format,enum=openai,enum=anthropic,enum=gemini,enum=azure,enum=vertexai,default=openai"`
 92	// The provider's API key.
 93	APIKey string `json:"api_key,omitempty" jsonschema:"description=API key for authentication with the provider,example=$OPENAI_API_KEY"`
 94	// Marks the provider as disabled.
 95	Disable bool `json:"disable,omitempty" jsonschema:"description=Whether this provider is disabled,default=false"`
 96
 97	// Custom system prompt prefix.
 98	SystemPromptPrefix string `json:"system_prompt_prefix,omitempty" jsonschema:"description=Custom prefix to add to system prompts for this provider"`
 99
100	// Extra headers to send with each request to the provider.
101	ExtraHeaders map[string]string `json:"extra_headers,omitempty" jsonschema:"description=Additional HTTP headers to send with requests"`
102	// Extra body
103	ExtraBody map[string]any `json:"extra_body,omitempty" jsonschema:"description=Additional fields to include in request bodies, only works with openai-compatible providers"`
104
105	ProviderOptions map[string]any `json:"provider_options,omitempty" jsonschema:"description=Additional provider-specific options for this provider"`
106
107	// Used to pass extra parameters to the provider.
108	ExtraParams map[string]string `json:"-"`
109
110	// The provider models
111	Models []catwalk.Model `json:"models,omitempty" jsonschema:"description=List of models available from this provider"`
112}
113
114type MCPType string
115
116const (
117	MCPStdio MCPType = "stdio"
118	MCPSSE   MCPType = "sse"
119	MCPHttp  MCPType = "http"
120)
121
122type MCPConfig struct {
123	Command  string            `json:"command,omitempty" jsonschema:"description=Command to execute for stdio MCP servers,example=npx"`
124	Env      map[string]string `json:"env,omitempty" jsonschema:"description=Environment variables to set for the MCP server"`
125	Args     []string          `json:"args,omitempty" jsonschema:"description=Arguments to pass to the MCP server command"`
126	Type     MCPType           `json:"type" jsonschema:"required,description=Type of MCP connection,enum=stdio,enum=sse,enum=http,default=stdio"`
127	URL      string            `json:"url,omitempty" jsonschema:"description=URL for HTTP or SSE MCP servers,format=uri,example=http://localhost:3000/mcp"`
128	Disabled bool              `json:"disabled,omitempty" jsonschema:"description=Whether this MCP server is disabled,default=false"`
129	Timeout  int               `json:"timeout,omitempty" jsonschema:"description=Timeout in seconds for MCP server connections,default=15,example=30,example=60,example=120"`
130
131	// TODO: maybe make it possible to get the value from the env
132	Headers map[string]string `json:"headers,omitempty" jsonschema:"description=HTTP headers for HTTP/SSE MCP servers"`
133}
134
135type LSPConfig struct {
136	Disabled    bool              `json:"disabled,omitempty" jsonschema:"description=Whether this LSP server is disabled,default=false"`
137	Command     string            `json:"command,omitempty" jsonschema:"required,description=Command to execute for the LSP server,example=gopls"`
138	Args        []string          `json:"args,omitempty" jsonschema:"description=Arguments to pass to the LSP server command"`
139	Env         map[string]string `json:"env,omitempty" jsonschema:"description=Environment variables to set to the LSP server command"`
140	FileTypes   []string          `json:"filetypes,omitempty" jsonschema:"description=File types this LSP server handles,example=go,example=mod,example=rs,example=c,example=js,example=ts"`
141	RootMarkers []string          `json:"root_markers,omitempty" jsonschema:"description=Files or directories that indicate the project root,example=go.mod,example=package.json,example=Cargo.toml"`
142	InitOptions map[string]any    `json:"init_options,omitempty" jsonschema:"description=Initialization options passed to the LSP server during initialize request"`
143	Options     map[string]any    `json:"options,omitempty" jsonschema:"description=LSP server-specific settings passed during initialization"`
144}
145
146type TUIOptions struct {
147	CompactMode bool   `json:"compact_mode,omitempty" jsonschema:"description=Enable compact mode for the TUI interface,default=false"`
148	DiffMode    string `json:"diff_mode,omitempty" jsonschema:"description=Diff mode for the TUI interface,enum=unified,enum=split"`
149	// Here we can add themes later or any TUI related options
150	//
151
152	Completions Completions `json:"completions,omitzero" jsonschema:"description=Completions UI options"`
153}
154
155// Completions defines options for the completions UI.
156type Completions struct {
157	MaxDepth *int `json:"max_depth,omitempty" jsonschema:"description=Maximum depth for the ls tool,default=0,example=10"`
158	MaxItems *int `json:"max_items,omitempty" jsonschema:"description=Maximum number of items to return for the ls tool,default=1000,example=100"`
159}
160
161func (c Completions) Limits() (depth, items int) {
162	return ptrValOr(c.MaxDepth, 0), ptrValOr(c.MaxItems, 0)
163}
164
165type Permissions struct {
166	AllowedTools []string `json:"allowed_tools,omitempty" jsonschema:"description=List of tools that don't require permission prompts,example=bash,example=view"` // Tools that don't require permission prompts
167	SkipRequests bool     `json:"-"`                                                                                                                              // Automatically accept all permissions (YOLO mode)
168}
169
170type Attribution struct {
171	CoAuthoredBy  bool `json:"co_authored_by,omitempty" jsonschema:"description=Add Co-Authored-By trailer to commit messages,default=true"`
172	GeneratedWith bool `json:"generated_with,omitempty" jsonschema:"description=Add Generated with Crush line to commit messages and issues and PRs,default=true"`
173}
174
175type Options struct {
176	ContextPaths              []string     `json:"context_paths,omitempty" jsonschema:"description=Paths to files containing context information for the AI,example=.cursorrules,example=CRUSH.md"`
177	TUI                       *TUIOptions  `json:"tui,omitempty" jsonschema:"description=Terminal user interface options"`
178	Debug                     bool         `json:"debug,omitempty" jsonschema:"description=Enable debug logging,default=false"`
179	DebugLSP                  bool         `json:"debug_lsp,omitempty" jsonschema:"description=Enable debug logging for LSP servers,default=false"`
180	DisableAutoSummarize      bool         `json:"disable_auto_summarize,omitempty" jsonschema:"description=Disable automatic conversation summarization,default=false"`
181	DataDirectory             string       `json:"data_directory,omitempty" jsonschema:"description=Directory for storing application data (relative to working directory),default=.crush,example=.crush"` // Relative to the cwd
182	DisabledTools             []string     `json:"disabled_tools" jsonschema:"description=Tools to disable"`
183	DisableProviderAutoUpdate bool         `json:"disable_provider_auto_update,omitempty" jsonschema:"description=Disable providers auto-update,default=false"`
184	Attribution               *Attribution `json:"attribution,omitempty" jsonschema:"description=Attribution settings for generated content"`
185	DisableMetrics            bool         `json:"disable_metrics,omitempty" jsonschema:"description=Disable sending metrics,default=false"`
186}
187
188type MCPs map[string]MCPConfig
189
190type MCP struct {
191	Name string    `json:"name"`
192	MCP  MCPConfig `json:"mcp"`
193}
194
195func (m MCPs) Sorted() []MCP {
196	sorted := make([]MCP, 0, len(m))
197	for k, v := range m {
198		sorted = append(sorted, MCP{
199			Name: k,
200			MCP:  v,
201		})
202	}
203	slices.SortFunc(sorted, func(a, b MCP) int {
204		return strings.Compare(a.Name, b.Name)
205	})
206	return sorted
207}
208
209type LSPs map[string]LSPConfig
210
211type LSP struct {
212	Name string    `json:"name"`
213	LSP  LSPConfig `json:"lsp"`
214}
215
216func (l LSPs) Sorted() []LSP {
217	sorted := make([]LSP, 0, len(l))
218	for k, v := range l {
219		sorted = append(sorted, LSP{
220			Name: k,
221			LSP:  v,
222		})
223	}
224	slices.SortFunc(sorted, func(a, b LSP) int {
225		return strings.Compare(a.Name, b.Name)
226	})
227	return sorted
228}
229
230func (l LSPConfig) ResolvedEnv() []string {
231	return resolveEnvs(l.Env)
232}
233
234func (m MCPConfig) ResolvedEnv() []string {
235	return resolveEnvs(m.Env)
236}
237
238func (m MCPConfig) ResolvedHeaders() map[string]string {
239	resolver := NewShellVariableResolver(env.New())
240	for e, v := range m.Headers {
241		var err error
242		m.Headers[e], err = resolver.ResolveValue(v)
243		if err != nil {
244			slog.Error("error resolving header variable", "error", err, "variable", e, "value", v)
245			continue
246		}
247	}
248	return m.Headers
249}
250
251type Agent struct {
252	ID          string `json:"id,omitempty"`
253	Name        string `json:"name,omitempty"`
254	Description string `json:"description,omitempty"`
255	// This is the id of the system prompt used by the agent
256	Disabled bool `json:"disabled,omitempty"`
257
258	Model SelectedModelType `json:"model" jsonschema:"required,description=The model type to use for this agent,enum=large,enum=small,default=large"`
259
260	// The available tools for the agent
261	//  if this is nil, all tools are available
262	AllowedTools []string `json:"allowed_tools,omitempty"`
263
264	// this tells us which MCPs are available for this agent
265	//  if this is empty all mcps are available
266	//  the string array is the list of tools from the AllowedMCP the agent has available
267	//  if the string array is nil, all tools from the AllowedMCP are available
268	AllowedMCP map[string][]string `json:"allowed_mcp,omitempty"`
269
270	// Overrides the context paths for this agent
271	ContextPaths []string `json:"context_paths,omitempty"`
272}
273
274type Tools struct {
275	Ls ToolLs `json:"ls,omitzero"`
276}
277
278type ToolLs struct {
279	MaxDepth *int `json:"max_depth,omitempty" jsonschema:"description=Maximum depth for the ls tool,default=0,example=10"`
280	MaxItems *int `json:"max_items,omitempty" jsonschema:"description=Maximum number of items to return for the ls tool,default=1000,example=100"`
281}
282
283func (t ToolLs) Limits() (depth, items int) {
284	return ptrValOr(t.MaxDepth, 0), ptrValOr(t.MaxItems, 0)
285}
286
287// Config holds the configuration for crush.
288type Config struct {
289	Schema string `json:"$schema,omitempty"`
290
291	// We currently only support large/small as values here.
292	Models map[SelectedModelType]SelectedModel `json:"models,omitempty" jsonschema:"description=Model configurations for different model types,example={\"large\":{\"model\":\"gpt-4o\",\"provider\":\"openai\"}}"`
293
294	// The providers that are configured
295	Providers *csync.Map[string, ProviderConfig] `json:"providers,omitempty" jsonschema:"description=AI provider configurations"`
296
297	MCP MCPs `json:"mcp,omitempty" jsonschema:"description=Model Context Protocol server configurations"`
298
299	LSP LSPs `json:"lsp,omitempty" jsonschema:"description=Language Server Protocol configurations"`
300
301	Options *Options `json:"options,omitempty" jsonschema:"description=General application options"`
302
303	Permissions *Permissions `json:"permissions,omitempty" jsonschema:"description=Permission settings for tool usage"`
304
305	Tools Tools `json:"tools,omitzero" jsonschema:"description=Tool configurations"`
306
307	Agents map[string]Agent `json:"-"`
308
309	// Internal
310	workingDir string `json:"-"`
311	// TODO: find a better way to do this this should probably not be part of the config
312	resolver       VariableResolver
313	dataConfigDir  string             `json:"-"`
314	knownProviders []catwalk.Provider `json:"-"`
315}
316
317func (c *Config) WorkingDir() string {
318	return c.workingDir
319}
320
321func (c *Config) EnabledProviders() []ProviderConfig {
322	var enabled []ProviderConfig
323	for p := range c.Providers.Seq() {
324		if !p.Disable {
325			enabled = append(enabled, p)
326		}
327	}
328	return enabled
329}
330
331// IsConfigured  return true if at least one provider is configured
332func (c *Config) IsConfigured() bool {
333	return len(c.EnabledProviders()) > 0
334}
335
336func (c *Config) GetModel(provider, model string) *catwalk.Model {
337	if providerConfig, ok := c.Providers.Get(provider); ok {
338		for _, m := range providerConfig.Models {
339			if m.ID == model {
340				return &m
341			}
342		}
343	}
344	return nil
345}
346
347func (c *Config) GetProviderForModel(modelType SelectedModelType) *ProviderConfig {
348	model, ok := c.Models[modelType]
349	if !ok {
350		return nil
351	}
352	if providerConfig, ok := c.Providers.Get(model.Provider); ok {
353		return &providerConfig
354	}
355	return nil
356}
357
358func (c *Config) GetModelByType(modelType SelectedModelType) *catwalk.Model {
359	model, ok := c.Models[modelType]
360	if !ok {
361		return nil
362	}
363	return c.GetModel(model.Provider, model.Model)
364}
365
366func (c *Config) LargeModel() *catwalk.Model {
367	model, ok := c.Models[SelectedModelTypeLarge]
368	if !ok {
369		return nil
370	}
371	return c.GetModel(model.Provider, model.Model)
372}
373
374func (c *Config) SmallModel() *catwalk.Model {
375	model, ok := c.Models[SelectedModelTypeSmall]
376	if !ok {
377		return nil
378	}
379	return c.GetModel(model.Provider, model.Model)
380}
381
382func (c *Config) SetCompactMode(enabled bool) error {
383	if c.Options == nil {
384		c.Options = &Options{}
385	}
386	c.Options.TUI.CompactMode = enabled
387	return c.SetConfigField("options.tui.compact_mode", enabled)
388}
389
390func (c *Config) Resolve(key string) (string, error) {
391	if c.resolver == nil {
392		return "", fmt.Errorf("no variable resolver configured")
393	}
394	return c.resolver.ResolveValue(key)
395}
396
397func (c *Config) UpdatePreferredModel(modelType SelectedModelType, model SelectedModel) error {
398	c.Models[modelType] = model
399	if err := c.SetConfigField(fmt.Sprintf("models.%s", modelType), model); err != nil {
400		return fmt.Errorf("failed to update preferred model: %w", err)
401	}
402	return nil
403}
404
405func (c *Config) SetConfigField(key string, value any) error {
406	// read the data
407	data, err := os.ReadFile(c.dataConfigDir)
408	if err != nil {
409		if os.IsNotExist(err) {
410			data = []byte("{}")
411		} else {
412			return fmt.Errorf("failed to read config file: %w", err)
413		}
414	}
415
416	newValue, err := sjson.Set(string(data), key, value)
417	if err != nil {
418		return fmt.Errorf("failed to set config field %s: %w", key, err)
419	}
420	if err := os.WriteFile(c.dataConfigDir, []byte(newValue), 0o600); err != nil {
421		return fmt.Errorf("failed to write config file: %w", err)
422	}
423	return nil
424}
425
426func (c *Config) SetProviderAPIKey(providerID, apiKey string) error {
427	// First save to the config file
428	err := c.SetConfigField("providers."+providerID+".api_key", apiKey)
429	if err != nil {
430		return fmt.Errorf("failed to save API key to config file: %w", err)
431	}
432
433	providerConfig, exists := c.Providers.Get(providerID)
434	if exists {
435		providerConfig.APIKey = apiKey
436		c.Providers.Set(providerID, providerConfig)
437		return nil
438	}
439
440	var foundProvider *catwalk.Provider
441	for _, p := range c.knownProviders {
442		if string(p.ID) == providerID {
443			foundProvider = &p
444			break
445		}
446	}
447
448	if foundProvider != nil {
449		// Create new provider config based on known provider
450		providerConfig = ProviderConfig{
451			ID:           providerID,
452			Name:         foundProvider.Name,
453			BaseURL:      foundProvider.APIEndpoint,
454			Type:         foundProvider.Type,
455			APIKey:       apiKey,
456			Disable:      false,
457			ExtraHeaders: make(map[string]string),
458			ExtraParams:  make(map[string]string),
459			Models:       foundProvider.Models,
460		}
461	} else {
462		return fmt.Errorf("provider with ID %s not found in known providers", providerID)
463	}
464	// Store the updated provider config
465	c.Providers.Set(providerID, providerConfig)
466	return nil
467}
468
469func allToolNames() []string {
470	return []string{
471		"agent",
472		"bash",
473		"download",
474		"edit",
475		"multiedit",
476		"lsp_diagnostics",
477		"lsp_references",
478		"fetch",
479		"glob",
480		"grep",
481		"ls",
482		"sourcegraph",
483		"view",
484		"write",
485	}
486}
487
488func resolveAllowedTools(allTools []string, disabledTools []string) []string {
489	if disabledTools == nil {
490		return allTools
491	}
492	// filter out disabled tools (exclude mode)
493	return filterSlice(allTools, disabledTools, false)
494}
495
496func resolveReadOnlyTools(tools []string) []string {
497	readOnlyTools := []string{"glob", "grep", "ls", "sourcegraph", "view"}
498	// filter to only include tools that are in allowedtools (include mode)
499	return filterSlice(tools, readOnlyTools, true)
500}
501
502func filterSlice(data []string, mask []string, include bool) []string {
503	filtered := []string{}
504	for _, s := range data {
505		// if include is true, we include items that ARE in the mask
506		// if include is false, we include items that are NOT in the mask
507		if include == slices.Contains(mask, s) {
508			filtered = append(filtered, s)
509		}
510	}
511	return filtered
512}
513
514func (c *Config) SetupAgents() {
515	allowedTools := resolveAllowedTools(allToolNames(), c.Options.DisabledTools)
516
517	agents := map[string]Agent{
518		AgentCoder: {
519			ID:           AgentCoder,
520			Name:         "Coder",
521			Description:  "An agent that helps with executing coding tasks.",
522			Model:        SelectedModelTypeLarge,
523			ContextPaths: c.Options.ContextPaths,
524			AllowedTools: allowedTools,
525		},
526
527		AgentTask: {
528			ID:           AgentCoder,
529			Name:         "Task",
530			Description:  "An agent that helps with searching for context and finding implementation details.",
531			Model:        SelectedModelTypeLarge,
532			ContextPaths: c.Options.ContextPaths,
533			AllowedTools: resolveReadOnlyTools(allowedTools),
534			// NO MCPs or LSPs by default
535			AllowedMCP: map[string][]string{},
536		},
537
538		AgentFetch: {
539			ID:          AgentFetch,
540			Name:        "Fetch",
541			Description: "An agent that fetches and analyzes web content.",
542			Model:       SelectedModelTypeSmall,
543			// No context paths - fetch agent operates in isolated environment
544			ContextPaths: []string{},
545			// Only allow tools needed for web content analysis
546			AllowedTools: []string{"web_fetch", "grep", "glob", "view"},
547			// NO MCPs or LSPs
548			AllowedMCP: map[string][]string{},
549		},
550	}
551	c.Agents = agents
552}
553
554func (c *Config) Resolver() VariableResolver {
555	return c.resolver
556}
557
558func (c *ProviderConfig) TestConnection(resolver VariableResolver) error {
559	testURL := ""
560	headers := make(map[string]string)
561	apiKey, _ := resolver.ResolveValue(c.APIKey)
562	switch c.Type {
563	case catwalk.TypeOpenAI, catwalk.TypeOpenAICompat:
564		baseURL, _ := resolver.ResolveValue(c.BaseURL)
565		if baseURL == "" {
566			baseURL = "https://api.openai.com/v1"
567		}
568		if c.ID == string(catwalk.InferenceProviderOpenRouter) {
569			testURL = baseURL + "/credits"
570		} else {
571			testURL = baseURL + "/models"
572		}
573		headers["Authorization"] = "Bearer " + apiKey
574	case catwalk.TypeAnthropic:
575		baseURL, _ := resolver.ResolveValue(c.BaseURL)
576		if baseURL == "" {
577			baseURL = "https://api.anthropic.com/v1"
578		}
579		testURL = baseURL + "/models"
580		headers["x-api-key"] = apiKey
581		headers["anthropic-version"] = "2023-06-01"
582	case catwalk.TypeGoogle:
583		baseURL, _ := resolver.ResolveValue(c.BaseURL)
584		if baseURL == "" {
585			baseURL = "https://generativelanguage.googleapis.com"
586		}
587		testURL = baseURL + "/v1beta/models?key=" + url.QueryEscape(apiKey)
588	}
589	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
590	defer cancel()
591	client := &http.Client{}
592	req, err := http.NewRequestWithContext(ctx, "GET", testURL, nil)
593	if err != nil {
594		return fmt.Errorf("failed to create request for provider %s: %w", c.ID, err)
595	}
596	for k, v := range headers {
597		req.Header.Set(k, v)
598	}
599	for k, v := range c.ExtraHeaders {
600		req.Header.Set(k, v)
601	}
602	b, err := client.Do(req)
603	if err != nil {
604		return fmt.Errorf("failed to create request for provider %s: %w", c.ID, err)
605	}
606	if c.ID == string(catwalk.InferenceProviderZAI) {
607		if b.StatusCode == http.StatusUnauthorized {
608			// for z.ai just check if the http response is not 401
609			return fmt.Errorf("failed to connect to provider %s: %s", c.ID, b.Status)
610		}
611	} else {
612		if b.StatusCode != http.StatusOK {
613			return fmt.Errorf("failed to connect to provider %s: %s", c.ID, b.Status)
614		}
615	}
616	_ = b.Body.Close()
617	return nil
618}
619
620func resolveEnvs(envs map[string]string) []string {
621	resolver := NewShellVariableResolver(env.New())
622	for e, v := range envs {
623		var err error
624		envs[e], err = resolver.ResolveValue(v)
625		if err != nil {
626			slog.Error("error resolving environment variable", "error", err, "variable", e, "value", v)
627			continue
628		}
629	}
630
631	res := make([]string, 0, len(envs))
632	for k, v := range envs {
633		res = append(res, fmt.Sprintf("%s=%s", k, v))
634	}
635	return res
636}
637
638func ptrValOr[T any](t *T, el T) T {
639	if t == nil {
640		return el
641	}
642	return *t
643}