1package config
2
3import (
4 "encoding/json"
5 "errors"
6 "fmt"
7 "log/slog"
8 "maps"
9 "os"
10 "path/filepath"
11 "slices"
12 "strings"
13 "sync"
14
15 "github.com/charmbracelet/crush/internal/fur/provider"
16 "github.com/charmbracelet/crush/internal/logging"
17 "github.com/invopop/jsonschema"
18)
19
20const (
21 defaultDataDirectory = ".crush"
22 defaultLogLevel = "info"
23 appName = "crush"
24
25 MaxTokensFallbackDefault = 4096
26)
27
28var defaultContextPaths = []string{
29 ".github/copilot-instructions.md",
30 ".cursorrules",
31 ".cursor/rules/",
32 "CLAUDE.md",
33 "CLAUDE.local.md",
34 "GEMINI.md",
35 "gemini.md",
36 "crush.md",
37 "crush.local.md",
38 "Crush.md",
39 "Crush.local.md",
40 "CRUSH.md",
41 "CRUSH.local.md",
42}
43
44type AgentID string
45
46const (
47 AgentCoder AgentID = "coder"
48 AgentTask AgentID = "task"
49)
50
51type ModelType string
52
53const (
54 LargeModel ModelType = "large"
55 SmallModel ModelType = "small"
56)
57
58type Model struct {
59 ID string `json:"id" jsonschema:"title=Model ID,description=Unique identifier for the model, the API model"`
60 Name string `json:"name" jsonschema:"title=Model Name,description=Display name of the model"`
61 CostPer1MIn float64 `json:"cost_per_1m_in,omitempty" jsonschema:"title=Input Cost,description=Cost per 1 million input tokens,minimum=0"`
62 CostPer1MOut float64 `json:"cost_per_1m_out,omitempty" jsonschema:"title=Output Cost,description=Cost per 1 million output tokens,minimum=0"`
63 CostPer1MInCached float64 `json:"cost_per_1m_in_cached,omitempty" jsonschema:"title=Cached Input Cost,description=Cost per 1 million cached input tokens,minimum=0"`
64 CostPer1MOutCached float64 `json:"cost_per_1m_out_cached,omitempty" jsonschema:"title=Cached Output Cost,description=Cost per 1 million cached output tokens,minimum=0"`
65 ContextWindow int64 `json:"context_window" jsonschema:"title=Context Window,description=Maximum context window size in tokens,minimum=1"`
66 DefaultMaxTokens int64 `json:"default_max_tokens" jsonschema:"title=Default Max Tokens,description=Default maximum tokens for responses,minimum=1"`
67 CanReason bool `json:"can_reason,omitempty" jsonschema:"title=Can Reason,description=Whether the model supports reasoning capabilities"`
68 ReasoningEffort string `json:"reasoning_effort,omitempty" jsonschema:"title=Reasoning Effort,description=Default reasoning effort level for reasoning models"`
69 HasReasoningEffort bool `json:"has_reasoning_effort,omitempty" jsonschema:"title=Has Reasoning Effort,description=Whether the model supports reasoning effort configuration"`
70 SupportsImages bool `json:"supports_attachments,omitempty" jsonschema:"title=Supports Images,description=Whether the model supports image attachments"`
71}
72
73type VertexAIOptions struct {
74 APIKey string `json:"api_key,omitempty"`
75 Project string `json:"project,omitempty"`
76 Location string `json:"location,omitempty"`
77}
78
79type ProviderConfig struct {
80 ID provider.InferenceProvider `json:"id,omitempty" jsonschema:"title=Provider ID,description=Unique identifier for the provider"`
81 BaseURL string `json:"base_url,omitempty" jsonschema:"title=Base URL,description=Base URL for the provider API (required for custom providers)"`
82 ProviderType provider.Type `json:"provider_type" jsonschema:"title=Provider Type,description=Type of the provider (openai, anthropic, etc.)"`
83 APIKey string `json:"api_key,omitempty" jsonschema:"title=API Key,description=API key for authenticating with the provider"`
84 Disabled bool `json:"disabled,omitempty" jsonschema:"title=Disabled,description=Whether this provider is disabled,default=false"`
85 ExtraHeaders map[string]string `json:"extra_headers,omitempty" jsonschema:"title=Extra Headers,description=Additional HTTP headers to send with requests"`
86 // used for e.x for vertex to set the project
87 ExtraParams map[string]string `json:"extra_params,omitempty" jsonschema:"title=Extra Parameters,description=Additional provider-specific parameters"`
88
89 DefaultLargeModel string `json:"default_large_model,omitempty" jsonschema:"title=Default Large Model,description=Default model ID for large model type"`
90 DefaultSmallModel string `json:"default_small_model,omitempty" jsonschema:"title=Default Small Model,description=Default model ID for small model type"`
91
92 Models []Model `json:"models,omitempty" jsonschema:"title=Models,description=List of available models for this provider"`
93}
94
95type Agent struct {
96 ID AgentID `json:"id,omitempty" jsonschema:"title=Agent ID,description=Unique identifier for the agent,enum=coder,enum=task"`
97 Name string `json:"name,omitempty" jsonschema:"title=Name,description=Display name of the agent"`
98 Description string `json:"description,omitempty" jsonschema:"title=Description,description=Description of what the agent does"`
99 // This is the id of the system prompt used by the agent
100 Disabled bool `json:"disabled,omitempty" jsonschema:"title=Disabled,description=Whether this agent is disabled,default=false"`
101
102 Model ModelType `json:"model" jsonschema:"title=Model Type,description=Type of model to use (large or small),enum=large,enum=small"`
103
104 // The available tools for the agent
105 // if this is nil, all tools are available
106 AllowedTools []string `json:"allowed_tools,omitempty" jsonschema:"title=Allowed Tools,description=List of tools this agent is allowed to use (if nil all tools are allowed)"`
107
108 // this tells us which MCPs are available for this agent
109 // if this is empty all mcps are available
110 // the string array is the list of tools from the AllowedMCP the agent has available
111 // if the string array is nil, all tools from the AllowedMCP are available
112 AllowedMCP map[string][]string `json:"allowed_mcp,omitempty" jsonschema:"title=Allowed MCP,description=Map of MCP servers this agent can use and their allowed tools"`
113
114 // The list of LSPs that this agent can use
115 // if this is nil, all LSPs are available
116 AllowedLSP []string `json:"allowed_lsp,omitempty" jsonschema:"title=Allowed LSP,description=List of LSP servers this agent can use (if nil all LSPs are allowed)"`
117
118 // Overrides the context paths for this agent
119 ContextPaths []string `json:"context_paths,omitempty" jsonschema:"title=Context Paths,description=Custom context paths for this agent (additive to global context paths)"`
120}
121
122type MCPType string
123
124const (
125 MCPStdio MCPType = "stdio"
126 MCPSse MCPType = "sse"
127 MCPHttp MCPType = "http"
128)
129
130type MCP struct {
131 Command string `json:"command,omitempty" jsonschema:"title=Command,description=Command to execute for stdio MCP servers"`
132 Env []string `json:"env,omitempty" jsonschema:"title=Environment,description=Environment variables for the MCP server"`
133 Args []string `json:"args,omitempty" jsonschema:"title=Arguments,description=Command line arguments for the MCP server"`
134 Type MCPType `json:"type" jsonschema:"title=Type,description=Type of MCP connection,enum=stdio,enum=sse,enum=http,default=stdio"`
135 URL string `json:"url,omitempty" jsonschema:"title=URL,description=URL for SSE MCP servers"`
136 // TODO: maybe make it possible to get the value from the env
137 Headers map[string]string `json:"headers,omitempty" jsonschema:"title=Headers,description=HTTP headers for SSE MCP servers"`
138}
139
140type LSPConfig struct {
141 Disabled bool `json:"enabled,omitempty" jsonschema:"title=Enabled,description=Whether this LSP server is enabled,default=true"`
142 Command string `json:"command" jsonschema:"title=Command,description=Command to execute for the LSP server"`
143 Args []string `json:"args,omitempty" jsonschema:"title=Arguments,description=Command line arguments for the LSP server"`
144 Options any `json:"options,omitempty" jsonschema:"title=Options,description=LSP server specific options"`
145}
146
147type TUIOptions struct {
148 CompactMode bool `json:"compact_mode" jsonschema:"title=Compact Mode,description=Enable compact mode for the TUI,default=false"`
149 // Here we can add themes later or any TUI related options
150}
151
152type Options struct {
153 ContextPaths []string `json:"context_paths,omitempty" jsonschema:"title=Context Paths,description=List of paths to search for context files"`
154 TUI TUIOptions `json:"tui,omitempty" jsonschema:"title=TUI Options,description=Terminal UI configuration options"`
155 Debug bool `json:"debug,omitempty" jsonschema:"title=Debug,description=Enable debug logging,default=false"`
156 DebugLSP bool `json:"debug_lsp,omitempty" jsonschema:"title=Debug LSP,description=Enable LSP debug logging,default=false"`
157 DisableAutoSummarize bool `json:"disable_auto_summarize,omitempty" jsonschema:"title=Disable Auto Summarize,description=Disable automatic conversation summarization,default=false"`
158 // Relative to the cwd
159 DataDirectory string `json:"data_directory,omitempty" jsonschema:"title=Data Directory,description=Directory for storing application data,default=.crush"`
160}
161
162type PreferredModel struct {
163 ModelID string `json:"model_id" jsonschema:"title=Model ID,description=ID of the preferred model"`
164 Provider provider.InferenceProvider `json:"provider" jsonschema:"title=Provider,description=Provider for the preferred model"`
165 // ReasoningEffort overrides the default reasoning effort for this model
166 ReasoningEffort string `json:"reasoning_effort,omitempty" jsonschema:"title=Reasoning Effort,description=Override reasoning effort for this model"`
167 // MaxTokens overrides the default max tokens for this model
168 MaxTokens int64 `json:"max_tokens,omitempty" jsonschema:"title=Max Tokens,description=Override max tokens for this model,minimum=1"`
169
170 // Think indicates if the model should think, only applicable for anthropic reasoning models
171 Think bool `json:"think,omitempty" jsonschema:"title=Think,description=Enable thinking for reasoning models,default=false"`
172}
173
174type PreferredModels struct {
175 Large PreferredModel `json:"large,omitempty" jsonschema:"title=Large Model,description=Preferred model configuration for large model type"`
176 Small PreferredModel `json:"small,omitempty" jsonschema:"title=Small Model,description=Preferred model configuration for small model type"`
177}
178
179type Config struct {
180 Models PreferredModels `json:"models,omitempty" jsonschema:"title=Models,description=Preferred model configurations for large and small model types"`
181 // List of configured providers
182 Providers map[provider.InferenceProvider]ProviderConfig `json:"providers,omitempty" jsonschema:"title=Providers,description=LLM provider configurations"`
183
184 // List of configured agents
185 Agents map[AgentID]Agent `json:"agents,omitempty" jsonschema:"title=Agents,description=Agent configurations for different tasks"`
186
187 // List of configured MCPs
188 MCP map[string]MCP `json:"mcp,omitempty" jsonschema:"title=MCP,description=Model Control Protocol server configurations"`
189
190 // List of configured LSPs
191 LSP map[string]LSPConfig `json:"lsp,omitempty" jsonschema:"title=LSP,description=Language Server Protocol configurations"`
192
193 // Miscellaneous options
194 Options Options `json:"options,omitempty" jsonschema:"title=Options,description=General application options and settings"`
195}
196
197var (
198 instance *Config // The single instance of the Singleton
199 cwd string
200 once sync.Once // Ensures the initialization happens only once
201
202)
203
204func readConfigFile(path string) (*Config, error) {
205 var cfg *Config
206 if _, err := os.Stat(path); err != nil && !os.IsNotExist(err) {
207 // some other error occurred while checking the file
208 return nil, err
209 } else if err == nil {
210 // config file exists, read it
211 file, err := os.ReadFile(path)
212 if err != nil {
213 return nil, err
214 }
215 cfg = &Config{}
216 if err := json.Unmarshal(file, cfg); err != nil {
217 return nil, err
218 }
219 } else {
220 // config file does not exist, create a new one
221 cfg = &Config{}
222 }
223 return cfg, nil
224}
225
226func loadConfig(cwd string, debug bool) (*Config, error) {
227 // First read the global config file
228 cfgPath := ConfigPath()
229
230 cfg := defaultConfigBasedOnEnv()
231 cfg.Options.Debug = debug
232 defaultLevel := slog.LevelInfo
233 if cfg.Options.Debug {
234 defaultLevel = slog.LevelDebug
235 }
236 if os.Getenv("CRUSH_DEV_DEBUG") == "true" {
237 loggingFile := fmt.Sprintf("%s/%s", cfg.Options.DataDirectory, "debug.log")
238
239 // if file does not exist create it
240 if _, err := os.Stat(loggingFile); os.IsNotExist(err) {
241 if err := os.MkdirAll(cfg.Options.DataDirectory, 0o755); err != nil {
242 return cfg, fmt.Errorf("failed to create directory: %w", err)
243 }
244 if _, err := os.Create(loggingFile); err != nil {
245 return cfg, fmt.Errorf("failed to create log file: %w", err)
246 }
247 }
248
249 messagesPath := fmt.Sprintf("%s/%s", cfg.Options.DataDirectory, "messages")
250
251 if _, err := os.Stat(messagesPath); os.IsNotExist(err) {
252 if err := os.MkdirAll(messagesPath, 0o756); err != nil {
253 return cfg, fmt.Errorf("failed to create directory: %w", err)
254 }
255 }
256 logging.MessageDir = messagesPath
257
258 sloggingFileWriter, err := os.OpenFile(loggingFile, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0o666)
259 if err != nil {
260 return cfg, fmt.Errorf("failed to open log file: %w", err)
261 }
262 // Configure logger
263 logger := slog.New(slog.NewTextHandler(sloggingFileWriter, &slog.HandlerOptions{
264 Level: defaultLevel,
265 }))
266 slog.SetDefault(logger)
267 } else {
268 // Configure logger
269 logger := slog.New(slog.NewTextHandler(logging.NewWriter(), &slog.HandlerOptions{
270 Level: defaultLevel,
271 }))
272 slog.SetDefault(logger)
273 }
274
275 priorityOrderedConfigFiles := []string{
276 cfgPath, // Global config file
277 filepath.Join(cwd, "crush.json"), // Local config file
278 filepath.Join(cwd, ".crush.json"), // Local config file
279 }
280
281 configs := make([]*Config, 0)
282 for _, path := range priorityOrderedConfigFiles {
283 localConfig, err := readConfigFile(path)
284 if err != nil {
285 return nil, fmt.Errorf("failed to read config file %s: %w", path, err)
286 }
287 if localConfig != nil {
288 // If the config file was read successfully, add it to the list
289 configs = append(configs, localConfig)
290 }
291 }
292
293 // merge options
294 mergeOptions(cfg, configs...)
295
296 mergeProviderConfigs(cfg, configs...)
297 // no providers found the app is not initialized yet
298 if len(cfg.Providers) == 0 {
299 return cfg, nil
300 }
301 preferredProvider := getPreferredProvider(cfg.Providers)
302 if preferredProvider != nil {
303 cfg.Models = PreferredModels{
304 Large: PreferredModel{
305 ModelID: preferredProvider.DefaultLargeModel,
306 Provider: preferredProvider.ID,
307 },
308 Small: PreferredModel{
309 ModelID: preferredProvider.DefaultSmallModel,
310 Provider: preferredProvider.ID,
311 },
312 }
313 } else {
314 // No valid providers found, set empty models
315 cfg.Models = PreferredModels{}
316 }
317
318 mergeModels(cfg, configs...)
319
320 agents := map[AgentID]Agent{
321 AgentCoder: {
322 ID: AgentCoder,
323 Name: "Coder",
324 Description: "An agent that helps with executing coding tasks.",
325 Model: LargeModel,
326 ContextPaths: cfg.Options.ContextPaths,
327 // All tools allowed
328 },
329 AgentTask: {
330 ID: AgentTask,
331 Name: "Task",
332 Description: "An agent that helps with searching for context and finding implementation details.",
333 Model: LargeModel,
334 ContextPaths: cfg.Options.ContextPaths,
335 AllowedTools: []string{
336 "glob",
337 "grep",
338 "ls",
339 "sourcegraph",
340 "view",
341 },
342 // NO MCPs or LSPs by default
343 AllowedMCP: map[string][]string{},
344 AllowedLSP: []string{},
345 },
346 }
347 cfg.Agents = agents
348 mergeAgents(cfg, configs...)
349 mergeMCPs(cfg, configs...)
350 mergeLSPs(cfg, configs...)
351
352 // Validate the final configuration
353 if err := cfg.Validate(); err != nil {
354 return cfg, fmt.Errorf("configuration validation failed: %w", err)
355 }
356
357 return cfg, nil
358}
359
360func Init(workingDir string, debug bool) (*Config, error) {
361 var err error
362 once.Do(func() {
363 cwd = workingDir
364 instance, err = loadConfig(cwd, debug)
365 if err != nil {
366 logging.Error("Failed to load config", "error", err)
367 }
368 })
369
370 return instance, err
371}
372
373func Get() *Config {
374 if instance == nil {
375 // TODO: Handle this better
376 panic("Config not initialized. Call InitConfig first.")
377 }
378 return instance
379}
380
381func getPreferredProvider(configuredProviders map[provider.InferenceProvider]ProviderConfig) *ProviderConfig {
382 providers := Providers()
383 for _, p := range providers {
384 if providerConfig, ok := configuredProviders[p.ID]; ok && !providerConfig.Disabled {
385 return &providerConfig
386 }
387 }
388 // if none found return the first configured provider
389 for _, providerConfig := range configuredProviders {
390 if !providerConfig.Disabled {
391 return &providerConfig
392 }
393 }
394 return nil
395}
396
397func mergeProviderConfig(p provider.InferenceProvider, base, other ProviderConfig) ProviderConfig {
398 if other.APIKey != "" {
399 base.APIKey = other.APIKey
400 }
401 // Only change these options if the provider is not a known provider
402 if !slices.Contains(provider.KnownProviders(), p) {
403 if other.BaseURL != "" {
404 base.BaseURL = other.BaseURL
405 }
406 if other.ProviderType != "" {
407 base.ProviderType = other.ProviderType
408 }
409 if len(other.ExtraHeaders) > 0 {
410 if base.ExtraHeaders == nil {
411 base.ExtraHeaders = make(map[string]string)
412 }
413 maps.Copy(base.ExtraHeaders, other.ExtraHeaders)
414 }
415 if len(other.ExtraParams) > 0 {
416 if base.ExtraParams == nil {
417 base.ExtraParams = make(map[string]string)
418 }
419 maps.Copy(base.ExtraParams, other.ExtraParams)
420 }
421 }
422
423 if other.Disabled {
424 base.Disabled = other.Disabled
425 }
426
427 if other.DefaultLargeModel != "" {
428 base.DefaultLargeModel = other.DefaultLargeModel
429 }
430 // Add new models if they don't exist
431 if other.Models != nil {
432 for _, model := range other.Models {
433 // check if the model already exists
434 exists := false
435 for _, existingModel := range base.Models {
436 if existingModel.ID == model.ID {
437 exists = true
438 break
439 }
440 }
441 if !exists {
442 base.Models = append(base.Models, model)
443 }
444 }
445 }
446
447 return base
448}
449
450func validateProvider(p provider.InferenceProvider, providerConfig ProviderConfig) error {
451 if !slices.Contains(provider.KnownProviders(), p) {
452 if providerConfig.ProviderType != provider.TypeOpenAI {
453 return errors.New("invalid provider type: " + string(providerConfig.ProviderType))
454 }
455 if providerConfig.BaseURL == "" {
456 return errors.New("base URL must be set for custom providers")
457 }
458 if providerConfig.APIKey == "" {
459 return errors.New("API key must be set for custom providers")
460 }
461 }
462 return nil
463}
464
465func mergeModels(base *Config, others ...*Config) {
466 for _, cfg := range others {
467 if cfg == nil {
468 continue
469 }
470 if cfg.Models.Large.ModelID != "" && cfg.Models.Large.Provider != "" {
471 base.Models.Large = cfg.Models.Large
472 }
473
474 if cfg.Models.Small.ModelID != "" && cfg.Models.Small.Provider != "" {
475 base.Models.Small = cfg.Models.Small
476 }
477 }
478}
479
480func mergeOptions(base *Config, others ...*Config) {
481 for _, cfg := range others {
482 if cfg == nil {
483 continue
484 }
485 baseOptions := base.Options
486 other := cfg.Options
487 if len(other.ContextPaths) > 0 {
488 baseOptions.ContextPaths = append(baseOptions.ContextPaths, other.ContextPaths...)
489 }
490
491 if other.TUI.CompactMode {
492 baseOptions.TUI.CompactMode = other.TUI.CompactMode
493 }
494
495 if other.Debug {
496 baseOptions.Debug = other.Debug
497 }
498
499 if other.DebugLSP {
500 baseOptions.DebugLSP = other.DebugLSP
501 }
502
503 if other.DisableAutoSummarize {
504 baseOptions.DisableAutoSummarize = other.DisableAutoSummarize
505 }
506
507 if other.DataDirectory != "" {
508 baseOptions.DataDirectory = other.DataDirectory
509 }
510 base.Options = baseOptions
511 }
512}
513
514func mergeAgents(base *Config, others ...*Config) {
515 for _, cfg := range others {
516 if cfg == nil {
517 continue
518 }
519 for agentID, newAgent := range cfg.Agents {
520 if _, ok := base.Agents[agentID]; !ok {
521 newAgent.ID = agentID
522 if newAgent.Model == "" {
523 newAgent.Model = LargeModel
524 }
525 if len(newAgent.ContextPaths) > 0 {
526 newAgent.ContextPaths = append(base.Options.ContextPaths, newAgent.ContextPaths...)
527 } else {
528 newAgent.ContextPaths = base.Options.ContextPaths
529 }
530 base.Agents[agentID] = newAgent
531 } else {
532 baseAgent := base.Agents[agentID]
533
534 if agentID == AgentCoder || agentID == AgentTask {
535 if newAgent.Model != "" {
536 baseAgent.Model = newAgent.Model
537 }
538 if newAgent.AllowedMCP != nil {
539 baseAgent.AllowedMCP = newAgent.AllowedMCP
540 }
541 if newAgent.AllowedLSP != nil {
542 baseAgent.AllowedLSP = newAgent.AllowedLSP
543 }
544 // Context paths are additive for known agents too
545 if len(newAgent.ContextPaths) > 0 {
546 baseAgent.ContextPaths = append(baseAgent.ContextPaths, newAgent.ContextPaths...)
547 }
548 } else {
549 if newAgent.Name != "" {
550 baseAgent.Name = newAgent.Name
551 }
552 if newAgent.Description != "" {
553 baseAgent.Description = newAgent.Description
554 }
555 if newAgent.Model != "" {
556 baseAgent.Model = newAgent.Model
557 } else if baseAgent.Model == "" {
558 baseAgent.Model = LargeModel
559 }
560
561 baseAgent.Disabled = newAgent.Disabled
562
563 if newAgent.AllowedTools != nil {
564 baseAgent.AllowedTools = newAgent.AllowedTools
565 }
566 if newAgent.AllowedMCP != nil {
567 baseAgent.AllowedMCP = newAgent.AllowedMCP
568 }
569 if newAgent.AllowedLSP != nil {
570 baseAgent.AllowedLSP = newAgent.AllowedLSP
571 }
572 if len(newAgent.ContextPaths) > 0 {
573 baseAgent.ContextPaths = append(baseAgent.ContextPaths, newAgent.ContextPaths...)
574 }
575 }
576
577 base.Agents[agentID] = baseAgent
578 }
579 }
580 }
581}
582
583func mergeMCPs(base *Config, others ...*Config) {
584 for _, cfg := range others {
585 if cfg == nil {
586 continue
587 }
588 maps.Copy(base.MCP, cfg.MCP)
589 }
590}
591
592func mergeLSPs(base *Config, others ...*Config) {
593 for _, cfg := range others {
594 if cfg == nil {
595 continue
596 }
597 maps.Copy(base.LSP, cfg.LSP)
598 }
599}
600
601func mergeProviderConfigs(base *Config, others ...*Config) {
602 for _, cfg := range others {
603 if cfg == nil {
604 continue
605 }
606 for providerName, p := range cfg.Providers {
607 p.ID = providerName
608 if _, ok := base.Providers[providerName]; !ok {
609 if slices.Contains(provider.KnownProviders(), providerName) {
610 providers := Providers()
611 for _, providerDef := range providers {
612 if providerDef.ID == providerName {
613 logging.Info("Using default provider config for", "provider", providerName)
614 baseProvider := getDefaultProviderConfig(providerDef, providerDef.APIKey)
615 base.Providers[providerName] = mergeProviderConfig(providerName, baseProvider, p)
616 break
617 }
618 }
619 } else {
620 base.Providers[providerName] = p
621 }
622 } else {
623 base.Providers[providerName] = mergeProviderConfig(providerName, base.Providers[providerName], p)
624 }
625 }
626 }
627
628 finalProviders := make(map[provider.InferenceProvider]ProviderConfig)
629 for providerName, providerConfig := range base.Providers {
630 err := validateProvider(providerName, providerConfig)
631 if err != nil {
632 logging.Warn("Skipping provider", "name", providerName, "error", err)
633 continue // Skip invalid providers
634 }
635 finalProviders[providerName] = providerConfig
636 }
637 base.Providers = finalProviders
638}
639
640func providerDefaultConfig(providerID provider.InferenceProvider) ProviderConfig {
641 switch providerID {
642 case provider.InferenceProviderAnthropic:
643 return ProviderConfig{
644 ID: providerID,
645 ProviderType: provider.TypeAnthropic,
646 }
647 case provider.InferenceProviderOpenAI:
648 return ProviderConfig{
649 ID: providerID,
650 ProviderType: provider.TypeOpenAI,
651 }
652 case provider.InferenceProviderGemini:
653 return ProviderConfig{
654 ID: providerID,
655 ProviderType: provider.TypeGemini,
656 }
657 case provider.InferenceProviderBedrock:
658 return ProviderConfig{
659 ID: providerID,
660 ProviderType: provider.TypeBedrock,
661 }
662 case provider.InferenceProviderAzure:
663 return ProviderConfig{
664 ID: providerID,
665 ProviderType: provider.TypeAzure,
666 }
667 case provider.InferenceProviderOpenRouter:
668 return ProviderConfig{
669 ID: providerID,
670 ProviderType: provider.TypeOpenAI,
671 BaseURL: "https://openrouter.ai/api/v1",
672 ExtraHeaders: map[string]string{
673 "HTTP-Referer": "crush.charm.land",
674 "X-Title": "Crush",
675 },
676 }
677 case provider.InferenceProviderXAI:
678 return ProviderConfig{
679 ID: providerID,
680 ProviderType: provider.TypeXAI,
681 BaseURL: "https://api.x.ai/v1",
682 }
683 case provider.InferenceProviderVertexAI:
684 return ProviderConfig{
685 ID: providerID,
686 ProviderType: provider.TypeVertexAI,
687 }
688 case provider.InferenceProviderLlama:
689 return ProviderConfig{
690 ID: providerID,
691 ProviderType: provider.TypeLlama,
692 BaseURL: "https://api.llama.com/compat/v1",
693 }
694 default:
695 return ProviderConfig{
696 ID: providerID,
697 ProviderType: provider.TypeOpenAI,
698 }
699 }
700}
701
702func getDefaultProviderConfig(p provider.Provider, apiKey string) ProviderConfig {
703 providerConfig := providerDefaultConfig(p.ID)
704 providerConfig.APIKey = apiKey
705 providerConfig.DefaultLargeModel = p.DefaultLargeModelID
706 providerConfig.DefaultSmallModel = p.DefaultSmallModelID
707 baseURL := p.APIEndpoint
708 if strings.HasPrefix(baseURL, "$") {
709 envVar := strings.TrimPrefix(baseURL, "$")
710 baseURL = os.Getenv(envVar)
711 }
712 providerConfig.BaseURL = baseURL
713 for _, model := range p.Models {
714 configModel := Model{
715 ID: model.ID,
716 Name: model.Name,
717 CostPer1MIn: model.CostPer1MIn,
718 CostPer1MOut: model.CostPer1MOut,
719 CostPer1MInCached: model.CostPer1MInCached,
720 CostPer1MOutCached: model.CostPer1MOutCached,
721 ContextWindow: model.ContextWindow,
722 DefaultMaxTokens: model.DefaultMaxTokens,
723 CanReason: model.CanReason,
724 SupportsImages: model.SupportsImages,
725 }
726 // Set reasoning effort for reasoning models
727 if model.HasReasoningEffort && model.DefaultReasoningEffort != "" {
728 configModel.HasReasoningEffort = model.HasReasoningEffort
729 configModel.ReasoningEffort = model.DefaultReasoningEffort
730 }
731 providerConfig.Models = append(providerConfig.Models, configModel)
732 }
733 return providerConfig
734}
735
736func defaultConfigBasedOnEnv() *Config {
737 cfg := &Config{
738 Options: Options{
739 DataDirectory: defaultDataDirectory,
740 ContextPaths: defaultContextPaths,
741 },
742 Providers: make(map[provider.InferenceProvider]ProviderConfig),
743 Agents: make(map[AgentID]Agent),
744 LSP: make(map[string]LSPConfig),
745 MCP: make(map[string]MCP),
746 }
747
748 providers := Providers()
749
750 for _, p := range providers {
751 if strings.HasPrefix(p.APIKey, "$") {
752 envVar := strings.TrimPrefix(p.APIKey, "$")
753 if apiKey := os.Getenv(envVar); apiKey != "" {
754 cfg.Providers[p.ID] = getDefaultProviderConfig(p, apiKey)
755 }
756 }
757 }
758 // TODO: support local models
759
760 if useVertexAI := os.Getenv("GOOGLE_GENAI_USE_VERTEXAI"); useVertexAI == "true" {
761 providerConfig := providerDefaultConfig(provider.InferenceProviderVertexAI)
762 providerConfig.ExtraParams = map[string]string{
763 "project": os.Getenv("GOOGLE_CLOUD_PROJECT"),
764 "location": os.Getenv("GOOGLE_CLOUD_LOCATION"),
765 }
766 // Find the VertexAI provider definition to get default models
767 for _, p := range providers {
768 if p.ID == provider.InferenceProviderVertexAI {
769 providerConfig.DefaultLargeModel = p.DefaultLargeModelID
770 providerConfig.DefaultSmallModel = p.DefaultSmallModelID
771 for _, model := range p.Models {
772 configModel := Model{
773 ID: model.ID,
774 Name: model.Name,
775 CostPer1MIn: model.CostPer1MIn,
776 CostPer1MOut: model.CostPer1MOut,
777 CostPer1MInCached: model.CostPer1MInCached,
778 CostPer1MOutCached: model.CostPer1MOutCached,
779 ContextWindow: model.ContextWindow,
780 DefaultMaxTokens: model.DefaultMaxTokens,
781 CanReason: model.CanReason,
782 SupportsImages: model.SupportsImages,
783 }
784 // Set reasoning effort for reasoning models
785 if model.HasReasoningEffort && model.DefaultReasoningEffort != "" {
786 configModel.HasReasoningEffort = model.HasReasoningEffort
787 configModel.ReasoningEffort = model.DefaultReasoningEffort
788 }
789 providerConfig.Models = append(providerConfig.Models, configModel)
790 }
791 break
792 }
793 }
794 cfg.Providers[provider.InferenceProviderVertexAI] = providerConfig
795 }
796
797 if hasAWSCredentials() {
798 providerConfig := providerDefaultConfig(provider.InferenceProviderBedrock)
799 providerConfig.ExtraParams = map[string]string{
800 "region": os.Getenv("AWS_DEFAULT_REGION"),
801 }
802 if providerConfig.ExtraParams["region"] == "" {
803 providerConfig.ExtraParams["region"] = os.Getenv("AWS_REGION")
804 }
805 // Find the Bedrock provider definition to get default models
806 for _, p := range providers {
807 if p.ID == provider.InferenceProviderBedrock {
808 providerConfig.DefaultLargeModel = p.DefaultLargeModelID
809 providerConfig.DefaultSmallModel = p.DefaultSmallModelID
810 for _, model := range p.Models {
811 configModel := Model{
812 ID: model.ID,
813 Name: model.Name,
814 CostPer1MIn: model.CostPer1MIn,
815 CostPer1MOut: model.CostPer1MOut,
816 CostPer1MInCached: model.CostPer1MInCached,
817 CostPer1MOutCached: model.CostPer1MOutCached,
818 ContextWindow: model.ContextWindow,
819 DefaultMaxTokens: model.DefaultMaxTokens,
820 CanReason: model.CanReason,
821 SupportsImages: model.SupportsImages,
822 }
823 // Set reasoning effort for reasoning models
824 if model.HasReasoningEffort && model.DefaultReasoningEffort != "" {
825 configModel.HasReasoningEffort = model.HasReasoningEffort
826 configModel.ReasoningEffort = model.DefaultReasoningEffort
827 }
828 providerConfig.Models = append(providerConfig.Models, configModel)
829 }
830 break
831 }
832 }
833 cfg.Providers[provider.InferenceProviderBedrock] = providerConfig
834 }
835 return cfg
836}
837
838func hasAWSCredentials() bool {
839 if os.Getenv("AWS_ACCESS_KEY_ID") != "" && os.Getenv("AWS_SECRET_ACCESS_KEY") != "" {
840 return true
841 }
842
843 if os.Getenv("AWS_PROFILE") != "" || os.Getenv("AWS_DEFAULT_PROFILE") != "" {
844 return true
845 }
846
847 if os.Getenv("AWS_REGION") != "" || os.Getenv("AWS_DEFAULT_REGION") != "" {
848 return true
849 }
850
851 if os.Getenv("AWS_CONTAINER_CREDENTIALS_RELATIVE_URI") != "" ||
852 os.Getenv("AWS_CONTAINER_CREDENTIALS_FULL_URI") != "" {
853 return true
854 }
855
856 return false
857}
858
859func WorkingDirectory() string {
860 return cwd
861}
862
863// TODO: Handle error state
864
865func GetAgentModel(agentID AgentID) Model {
866 cfg := Get()
867 agent, ok := cfg.Agents[agentID]
868 if !ok {
869 logging.Error("Agent not found", "agent_id", agentID)
870 return Model{}
871 }
872
873 var model PreferredModel
874 switch agent.Model {
875 case LargeModel:
876 model = cfg.Models.Large
877 case SmallModel:
878 model = cfg.Models.Small
879 default:
880 logging.Warn("Unknown model type for agent", "agent_id", agentID, "model_type", agent.Model)
881 model = cfg.Models.Large // Fallback to large model
882 }
883 providerConfig, ok := cfg.Providers[model.Provider]
884 if !ok {
885 logging.Error("Provider not found for agent", "agent_id", agentID, "provider", model.Provider)
886 return Model{}
887 }
888
889 for _, m := range providerConfig.Models {
890 if m.ID == model.ModelID {
891 return m
892 }
893 }
894
895 logging.Error("Model not found for agent", "agent_id", agentID, "model", agent.Model)
896 return Model{}
897}
898
899func GetAgentProvider(agentID AgentID) ProviderConfig {
900 cfg := Get()
901 agent, ok := cfg.Agents[agentID]
902 if !ok {
903 logging.Error("Agent not found", "agent_id", agentID)
904 return ProviderConfig{}
905 }
906
907 var model PreferredModel
908 switch agent.Model {
909 case LargeModel:
910 model = cfg.Models.Large
911 case SmallModel:
912 model = cfg.Models.Small
913 default:
914 logging.Warn("Unknown model type for agent", "agent_id", agentID, "model_type", agent.Model)
915 model = cfg.Models.Large // Fallback to large model
916 }
917
918 providerConfig, ok := cfg.Providers[model.Provider]
919 if !ok {
920 logging.Error("Provider not found for agent", "agent_id", agentID, "provider", model.Provider)
921 return ProviderConfig{}
922 }
923
924 return providerConfig
925}
926
927func GetProviderModel(provider provider.InferenceProvider, modelID string) Model {
928 cfg := Get()
929 providerConfig, ok := cfg.Providers[provider]
930 if !ok {
931 logging.Error("Provider not found", "provider", provider)
932 return Model{}
933 }
934
935 for _, model := range providerConfig.Models {
936 if model.ID == modelID {
937 return model
938 }
939 }
940
941 logging.Error("Model not found for provider", "provider", provider, "model_id", modelID)
942 return Model{}
943}
944
945func GetModel(modelType ModelType) Model {
946 cfg := Get()
947 var model PreferredModel
948 switch modelType {
949 case LargeModel:
950 model = cfg.Models.Large
951 case SmallModel:
952 model = cfg.Models.Small
953 default:
954 model = cfg.Models.Large // Fallback to large model
955 }
956 providerConfig, ok := cfg.Providers[model.Provider]
957 if !ok {
958 return Model{}
959 }
960
961 for _, m := range providerConfig.Models {
962 if m.ID == model.ModelID {
963 return m
964 }
965 }
966 return Model{}
967}
968
969func UpdatePreferredModel(modelType ModelType, model PreferredModel) error {
970 cfg := Get()
971 switch modelType {
972 case LargeModel:
973 cfg.Models.Large = model
974 case SmallModel:
975 cfg.Models.Small = model
976 default:
977 return fmt.Errorf("unknown model type: %s", modelType)
978 }
979 return nil
980}
981
982// ValidationError represents a configuration validation error
983type ValidationError struct {
984 Field string
985 Message string
986}
987
988func (e ValidationError) Error() string {
989 return fmt.Sprintf("validation error in %s: %s", e.Field, e.Message)
990}
991
992// ValidationErrors represents multiple validation errors
993type ValidationErrors []ValidationError
994
995func (e ValidationErrors) Error() string {
996 if len(e) == 0 {
997 return "no validation errors"
998 }
999 if len(e) == 1 {
1000 return e[0].Error()
1001 }
1002
1003 var messages []string
1004 for _, err := range e {
1005 messages = append(messages, err.Error())
1006 }
1007 return fmt.Sprintf("multiple validation errors: %s", strings.Join(messages, "; "))
1008}
1009
1010// HasErrors returns true if there are any validation errors
1011func (e ValidationErrors) HasErrors() bool {
1012 return len(e) > 0
1013}
1014
1015// Add appends a new validation error
1016func (e *ValidationErrors) Add(field, message string) {
1017 *e = append(*e, ValidationError{Field: field, Message: message})
1018}
1019
1020// Validate performs comprehensive validation of the configuration
1021func (c *Config) Validate() error {
1022 var errors ValidationErrors
1023
1024 // Validate providers
1025 c.validateProviders(&errors)
1026
1027 // Validate models
1028 c.validateModels(&errors)
1029
1030 // Validate agents
1031 c.validateAgents(&errors)
1032
1033 // Validate options
1034 c.validateOptions(&errors)
1035
1036 // Validate MCP configurations
1037 c.validateMCPs(&errors)
1038
1039 // Validate LSP configurations
1040 c.validateLSPs(&errors)
1041
1042 // Validate cross-references
1043 c.validateCrossReferences(&errors)
1044
1045 // Validate completeness
1046 c.validateCompleteness(&errors)
1047
1048 if errors.HasErrors() {
1049 return errors
1050 }
1051
1052 return nil
1053}
1054
1055// validateProviders validates all provider configurations
1056func (c *Config) validateProviders(errors *ValidationErrors) {
1057 if c.Providers == nil {
1058 c.Providers = make(map[provider.InferenceProvider]ProviderConfig)
1059 }
1060
1061 knownProviders := provider.KnownProviders()
1062 validTypes := []provider.Type{
1063 provider.TypeOpenAI,
1064 provider.TypeAnthropic,
1065 provider.TypeGemini,
1066 provider.TypeAzure,
1067 provider.TypeBedrock,
1068 provider.TypeVertexAI,
1069 provider.TypeXAI,
1070 provider.TypeLlama,
1071 }
1072
1073 for providerID, providerConfig := range c.Providers {
1074 fieldPrefix := fmt.Sprintf("providers.%s", providerID)
1075
1076 // Validate API key for non-disabled providers
1077 if !providerConfig.Disabled && providerConfig.APIKey == "" {
1078 // Special case for AWS Bedrock and VertexAI which may use other auth methods
1079 if providerID != provider.InferenceProviderBedrock && providerID != provider.InferenceProviderVertexAI {
1080 errors.Add(fieldPrefix+".api_key", "API key is required for non-disabled providers")
1081 }
1082 }
1083
1084 // Validate provider type
1085 validType := slices.Contains(validTypes, providerConfig.ProviderType)
1086 if !validType {
1087 errors.Add(fieldPrefix+".provider_type", fmt.Sprintf("invalid provider type: %s", providerConfig.ProviderType))
1088 }
1089
1090 // Validate custom providers
1091 isKnownProvider := slices.Contains(knownProviders, providerID)
1092
1093 if !isKnownProvider {
1094 // Custom provider validation
1095 if providerConfig.BaseURL == "" {
1096 errors.Add(fieldPrefix+".base_url", "BaseURL is required for custom providers")
1097 }
1098 if providerConfig.ProviderType != provider.TypeOpenAI {
1099 errors.Add(fieldPrefix+".provider_type", "custom providers currently only support OpenAI type")
1100 }
1101 }
1102
1103 // Validate models
1104 modelIDs := make(map[string]bool)
1105 for i, model := range providerConfig.Models {
1106 modelFieldPrefix := fmt.Sprintf("%s.models[%d]", fieldPrefix, i)
1107
1108 // Check for duplicate model IDs
1109 if modelIDs[model.ID] {
1110 errors.Add(modelFieldPrefix+".id", fmt.Sprintf("duplicate model ID: %s", model.ID))
1111 }
1112 modelIDs[model.ID] = true
1113
1114 // Validate required model fields
1115 if model.ID == "" {
1116 errors.Add(modelFieldPrefix+".id", "model ID is required")
1117 }
1118 if model.Name == "" {
1119 errors.Add(modelFieldPrefix+".name", "model name is required")
1120 }
1121 if model.ContextWindow <= 0 {
1122 errors.Add(modelFieldPrefix+".context_window", "context window must be positive")
1123 }
1124 if model.DefaultMaxTokens <= 0 {
1125 errors.Add(modelFieldPrefix+".default_max_tokens", "default max tokens must be positive")
1126 }
1127 if model.DefaultMaxTokens > model.ContextWindow {
1128 errors.Add(modelFieldPrefix+".default_max_tokens", "default max tokens cannot exceed context window")
1129 }
1130
1131 // Validate cost fields
1132 if model.CostPer1MIn < 0 {
1133 errors.Add(modelFieldPrefix+".cost_per_1m_in", "cost per 1M input tokens cannot be negative")
1134 }
1135 if model.CostPer1MOut < 0 {
1136 errors.Add(modelFieldPrefix+".cost_per_1m_out", "cost per 1M output tokens cannot be negative")
1137 }
1138 if model.CostPer1MInCached < 0 {
1139 errors.Add(modelFieldPrefix+".cost_per_1m_in_cached", "cached cost per 1M input tokens cannot be negative")
1140 }
1141 if model.CostPer1MOutCached < 0 {
1142 errors.Add(modelFieldPrefix+".cost_per_1m_out_cached", "cached cost per 1M output tokens cannot be negative")
1143 }
1144 }
1145
1146 // Validate default model references
1147 if providerConfig.DefaultLargeModel != "" {
1148 if !modelIDs[providerConfig.DefaultLargeModel] {
1149 errors.Add(fieldPrefix+".default_large_model", fmt.Sprintf("default large model '%s' not found in provider models", providerConfig.DefaultLargeModel))
1150 }
1151 }
1152 if providerConfig.DefaultSmallModel != "" {
1153 if !modelIDs[providerConfig.DefaultSmallModel] {
1154 errors.Add(fieldPrefix+".default_small_model", fmt.Sprintf("default small model '%s' not found in provider models", providerConfig.DefaultSmallModel))
1155 }
1156 }
1157
1158 // Validate provider-specific requirements
1159 c.validateProviderSpecific(providerID, providerConfig, errors)
1160 }
1161}
1162
1163// validateProviderSpecific validates provider-specific requirements
1164func (c *Config) validateProviderSpecific(providerID provider.InferenceProvider, providerConfig ProviderConfig, errors *ValidationErrors) {
1165 fieldPrefix := fmt.Sprintf("providers.%s", providerID)
1166
1167 switch providerID {
1168 case provider.InferenceProviderVertexAI:
1169 if !providerConfig.Disabled {
1170 if providerConfig.ExtraParams == nil {
1171 errors.Add(fieldPrefix+".extra_params", "VertexAI requires extra_params configuration")
1172 } else {
1173 if providerConfig.ExtraParams["project"] == "" {
1174 errors.Add(fieldPrefix+".extra_params.project", "VertexAI requires project parameter")
1175 }
1176 if providerConfig.ExtraParams["location"] == "" {
1177 errors.Add(fieldPrefix+".extra_params.location", "VertexAI requires location parameter")
1178 }
1179 }
1180 }
1181 case provider.InferenceProviderBedrock:
1182 if !providerConfig.Disabled {
1183 if providerConfig.ExtraParams == nil || providerConfig.ExtraParams["region"] == "" {
1184 errors.Add(fieldPrefix+".extra_params.region", "Bedrock requires region parameter")
1185 }
1186 // Check for AWS credentials in environment
1187 if !hasAWSCredentials() {
1188 errors.Add(fieldPrefix, "Bedrock requires AWS credentials in environment")
1189 }
1190 }
1191 }
1192}
1193
1194// validateModels validates preferred model configurations
1195func (c *Config) validateModels(errors *ValidationErrors) {
1196 // Validate large model
1197 if c.Models.Large.ModelID != "" || c.Models.Large.Provider != "" {
1198 if c.Models.Large.ModelID == "" {
1199 errors.Add("models.large.model_id", "large model ID is required when provider is set")
1200 }
1201 if c.Models.Large.Provider == "" {
1202 errors.Add("models.large.provider", "large model provider is required when model ID is set")
1203 }
1204
1205 // Check if provider exists and is not disabled
1206 if providerConfig, exists := c.Providers[c.Models.Large.Provider]; exists {
1207 if providerConfig.Disabled {
1208 errors.Add("models.large.provider", "large model provider is disabled")
1209 }
1210
1211 // Check if model exists in provider
1212 modelExists := false
1213 for _, model := range providerConfig.Models {
1214 if model.ID == c.Models.Large.ModelID {
1215 modelExists = true
1216 break
1217 }
1218 }
1219 if !modelExists {
1220 errors.Add("models.large.model_id", fmt.Sprintf("large model '%s' not found in provider '%s'", c.Models.Large.ModelID, c.Models.Large.Provider))
1221 }
1222 } else {
1223 errors.Add("models.large.provider", fmt.Sprintf("large model provider '%s' not found", c.Models.Large.Provider))
1224 }
1225 }
1226
1227 // Validate small model
1228 if c.Models.Small.ModelID != "" || c.Models.Small.Provider != "" {
1229 if c.Models.Small.ModelID == "" {
1230 errors.Add("models.small.model_id", "small model ID is required when provider is set")
1231 }
1232 if c.Models.Small.Provider == "" {
1233 errors.Add("models.small.provider", "small model provider is required when model ID is set")
1234 }
1235
1236 // Check if provider exists and is not disabled
1237 if providerConfig, exists := c.Providers[c.Models.Small.Provider]; exists {
1238 if providerConfig.Disabled {
1239 errors.Add("models.small.provider", "small model provider is disabled")
1240 }
1241
1242 // Check if model exists in provider
1243 modelExists := false
1244 for _, model := range providerConfig.Models {
1245 if model.ID == c.Models.Small.ModelID {
1246 modelExists = true
1247 break
1248 }
1249 }
1250 if !modelExists {
1251 errors.Add("models.small.model_id", fmt.Sprintf("small model '%s' not found in provider '%s'", c.Models.Small.ModelID, c.Models.Small.Provider))
1252 }
1253 } else {
1254 errors.Add("models.small.provider", fmt.Sprintf("small model provider '%s' not found", c.Models.Small.Provider))
1255 }
1256 }
1257}
1258
1259// validateAgents validates agent configurations
1260func (c *Config) validateAgents(errors *ValidationErrors) {
1261 if c.Agents == nil {
1262 c.Agents = make(map[AgentID]Agent)
1263 }
1264
1265 validTools := []string{
1266 "bash", "edit", "fetch", "glob", "grep", "ls", "sourcegraph", "view", "write", "agent",
1267 }
1268
1269 for agentID, agent := range c.Agents {
1270 fieldPrefix := fmt.Sprintf("agents.%s", agentID)
1271
1272 // Validate agent ID consistency
1273 if agent.ID != agentID {
1274 errors.Add(fieldPrefix+".id", fmt.Sprintf("agent ID mismatch: expected '%s', got '%s'", agentID, agent.ID))
1275 }
1276
1277 // Validate required fields
1278 if agent.ID == "" {
1279 errors.Add(fieldPrefix+".id", "agent ID is required")
1280 }
1281 if agent.Name == "" {
1282 errors.Add(fieldPrefix+".name", "agent name is required")
1283 }
1284
1285 // Validate model type
1286 if agent.Model != LargeModel && agent.Model != SmallModel {
1287 errors.Add(fieldPrefix+".model", fmt.Sprintf("invalid model type: %s (must be 'large' or 'small')", agent.Model))
1288 }
1289
1290 // Validate allowed tools
1291 if agent.AllowedTools != nil {
1292 for i, tool := range agent.AllowedTools {
1293 validTool := slices.Contains(validTools, tool)
1294 if !validTool {
1295 errors.Add(fmt.Sprintf("%s.allowed_tools[%d]", fieldPrefix, i), fmt.Sprintf("unknown tool: %s", tool))
1296 }
1297 }
1298 }
1299
1300 // Validate MCP references
1301 if agent.AllowedMCP != nil {
1302 for mcpName := range agent.AllowedMCP {
1303 if _, exists := c.MCP[mcpName]; !exists {
1304 errors.Add(fieldPrefix+".allowed_mcp", fmt.Sprintf("referenced MCP '%s' not found", mcpName))
1305 }
1306 }
1307 }
1308
1309 // Validate LSP references
1310 if agent.AllowedLSP != nil {
1311 for _, lspName := range agent.AllowedLSP {
1312 if _, exists := c.LSP[lspName]; !exists {
1313 errors.Add(fieldPrefix+".allowed_lsp", fmt.Sprintf("referenced LSP '%s' not found", lspName))
1314 }
1315 }
1316 }
1317
1318 // Validate context paths (basic path validation)
1319 for i, contextPath := range agent.ContextPaths {
1320 if contextPath == "" {
1321 errors.Add(fmt.Sprintf("%s.context_paths[%d]", fieldPrefix, i), "context path cannot be empty")
1322 }
1323 // Check for invalid characters in path
1324 if strings.Contains(contextPath, "\x00") {
1325 errors.Add(fmt.Sprintf("%s.context_paths[%d]", fieldPrefix, i), "context path contains invalid characters")
1326 }
1327 }
1328
1329 // Validate known agents maintain their core properties
1330 if agentID == AgentCoder {
1331 if agent.Name != "Coder" {
1332 errors.Add(fieldPrefix+".name", "coder agent name cannot be changed")
1333 }
1334 if agent.Description != "An agent that helps with executing coding tasks." {
1335 errors.Add(fieldPrefix+".description", "coder agent description cannot be changed")
1336 }
1337 } else if agentID == AgentTask {
1338 if agent.Name != "Task" {
1339 errors.Add(fieldPrefix+".name", "task agent name cannot be changed")
1340 }
1341 if agent.Description != "An agent that helps with searching for context and finding implementation details." {
1342 errors.Add(fieldPrefix+".description", "task agent description cannot be changed")
1343 }
1344 expectedTools := []string{"glob", "grep", "ls", "sourcegraph", "view"}
1345 if agent.AllowedTools != nil && !slices.Equal(agent.AllowedTools, expectedTools) {
1346 errors.Add(fieldPrefix+".allowed_tools", "task agent allowed tools cannot be changed")
1347 }
1348 }
1349 }
1350}
1351
1352// validateOptions validates configuration options
1353func (c *Config) validateOptions(errors *ValidationErrors) {
1354 // Validate data directory
1355 if c.Options.DataDirectory == "" {
1356 errors.Add("options.data_directory", "data directory is required")
1357 }
1358
1359 // Validate context paths
1360 for i, contextPath := range c.Options.ContextPaths {
1361 if contextPath == "" {
1362 errors.Add(fmt.Sprintf("options.context_paths[%d]", i), "context path cannot be empty")
1363 }
1364 if strings.Contains(contextPath, "\x00") {
1365 errors.Add(fmt.Sprintf("options.context_paths[%d]", i), "context path contains invalid characters")
1366 }
1367 }
1368}
1369
1370// validateMCPs validates MCP configurations
1371func (c *Config) validateMCPs(errors *ValidationErrors) {
1372 if c.MCP == nil {
1373 c.MCP = make(map[string]MCP)
1374 }
1375
1376 for mcpName, mcpConfig := range c.MCP {
1377 fieldPrefix := fmt.Sprintf("mcp.%s", mcpName)
1378
1379 // Validate MCP type
1380 if mcpConfig.Type != MCPStdio && mcpConfig.Type != MCPSse && mcpConfig.Type != MCPHttp {
1381 errors.Add(fieldPrefix+".type", fmt.Sprintf("invalid MCP type: %s (must be 'stdio' or 'sse' or 'http')", mcpConfig.Type))
1382 }
1383
1384 // Validate based on type
1385 if mcpConfig.Type == MCPStdio {
1386 if mcpConfig.Command == "" {
1387 errors.Add(fieldPrefix+".command", "command is required for stdio MCP")
1388 }
1389 } else if mcpConfig.Type == MCPSse {
1390 if mcpConfig.URL == "" {
1391 errors.Add(fieldPrefix+".url", "URL is required for SSE MCP")
1392 }
1393 }
1394 }
1395}
1396
1397// validateLSPs validates LSP configurations
1398func (c *Config) validateLSPs(errors *ValidationErrors) {
1399 if c.LSP == nil {
1400 c.LSP = make(map[string]LSPConfig)
1401 }
1402
1403 for lspName, lspConfig := range c.LSP {
1404 fieldPrefix := fmt.Sprintf("lsp.%s", lspName)
1405
1406 if lspConfig.Command == "" {
1407 errors.Add(fieldPrefix+".command", "command is required for LSP")
1408 }
1409 }
1410}
1411
1412// validateCrossReferences validates cross-references between different config sections
1413func (c *Config) validateCrossReferences(errors *ValidationErrors) {
1414 // Validate that agents can use their assigned model types
1415 for agentID, agent := range c.Agents {
1416 fieldPrefix := fmt.Sprintf("agents.%s", agentID)
1417
1418 var preferredModel PreferredModel
1419 switch agent.Model {
1420 case LargeModel:
1421 preferredModel = c.Models.Large
1422 case SmallModel:
1423 preferredModel = c.Models.Small
1424 }
1425
1426 if preferredModel.Provider != "" {
1427 if providerConfig, exists := c.Providers[preferredModel.Provider]; exists {
1428 if providerConfig.Disabled {
1429 errors.Add(fieldPrefix+".model", fmt.Sprintf("agent cannot use model type '%s' because provider '%s' is disabled", agent.Model, preferredModel.Provider))
1430 }
1431 }
1432 }
1433 }
1434}
1435
1436// validateCompleteness validates that the configuration is complete and usable
1437func (c *Config) validateCompleteness(errors *ValidationErrors) {
1438 // Check for at least one valid, non-disabled provider
1439 hasValidProvider := false
1440 for _, providerConfig := range c.Providers {
1441 if !providerConfig.Disabled {
1442 hasValidProvider = true
1443 break
1444 }
1445 }
1446 if !hasValidProvider {
1447 errors.Add("providers", "at least one non-disabled provider is required")
1448 }
1449
1450 // Check that default agents exist
1451 if _, exists := c.Agents[AgentCoder]; !exists {
1452 errors.Add("agents", "coder agent is required")
1453 }
1454 if _, exists := c.Agents[AgentTask]; !exists {
1455 errors.Add("agents", "task agent is required")
1456 }
1457
1458 // Check that preferred models are set if providers exist
1459 if hasValidProvider {
1460 if c.Models.Large.ModelID == "" || c.Models.Large.Provider == "" {
1461 errors.Add("models.large", "large preferred model must be configured when providers are available")
1462 }
1463 if c.Models.Small.ModelID == "" || c.Models.Small.Provider == "" {
1464 errors.Add("models.small", "small preferred model must be configured when providers are available")
1465 }
1466 }
1467}
1468
1469// JSONSchemaExtend adds custom schema properties for AgentID
1470func (AgentID) JSONSchemaExtend(schema *jsonschema.Schema) {
1471 schema.Enum = []any{
1472 string(AgentCoder),
1473 string(AgentTask),
1474 }
1475}
1476
1477// JSONSchemaExtend adds custom schema properties for ModelType
1478func (ModelType) JSONSchemaExtend(schema *jsonschema.Schema) {
1479 schema.Enum = []any{
1480 string(LargeModel),
1481 string(SmallModel),
1482 }
1483}
1484
1485// JSONSchemaExtend adds custom schema properties for MCPType
1486func (MCPType) JSONSchemaExtend(schema *jsonschema.Schema) {
1487 schema.Enum = []any{
1488 string(MCPStdio),
1489 string(MCPSse),
1490 }
1491}