1package agent
2
3import (
4 "context"
5 "fmt"
6 "os"
7 "path/filepath"
8 "runtime"
9 "strings"
10
11 zotdocs "github.com/patriceckhart/zot"
12 "github.com/patriceckhart/zot/packages/agent/skills"
13 "github.com/patriceckhart/zot/packages/agent/tools"
14 "github.com/patriceckhart/zot/packages/core"
15 "github.com/patriceckhart/zot/packages/provider"
16)
17
18// Resolved is the effective configuration after merging CLI, config, defaults.
19type Resolved struct {
20 Provider string
21 Model string
22 Credential string // api key or oauth access token
23 AuthMethod string // "apikey" | "oauth" | "" (no credential yet)
24 AccountID string // ChatGPT account id (for openai oauth), "" otherwise
25 BaseURL string
26 CWD string
27 Reasoning string
28
29 ToolRegistry core.Registry
30 ToolSummary []ToolSummary
31 SystemPrompt string
32 MaxSteps int
33 Sandbox *tools.Sandbox
34
35 // SkillTool is the on-demand skill loader registered with the
36 // agent's tool registry, or nil if no SKILL.md files were
37 // discovered. Exposed so the tui can list / preview skills.
38 SkillTool *skills.Tool
39
40 // Bookkeeping for MergeExtensionTools. Captured at Resolve time
41 // so the system prompt can be rebuilt later without re-running
42 // resolve.
43 systemAppend []string
44 systemCustom string
45 toolDescriptions map[string]string
46}
47
48// HasCredential reports whether a credential was resolved.
49func (r Resolved) HasCredential() bool { return r.Credential != "" }
50
51// MergeExtensionTools folds every tool registered by an extension
52// into r's ToolRegistry and re-renders the system prompt's tool
53// summary so the model sees both built-in and extension tools.
54//
55// Idempotent: calling twice with the same manager state has no
56// effect on the second pass (existing names are preserved). Built-in
57// tools always win on conflict.
58func (r *Resolved) MergeExtensionTools(mgr ExtensionToolSource) {
59 if mgr == nil {
60 return
61 }
62 infos := mgr.Tools()
63 if len(infos) == 0 {
64 return
65 }
66 changed := false
67 for _, info := range infos {
68 if _, exists := r.ToolRegistry[info.Name]; exists {
69 continue
70 }
71 r.ToolRegistry[info.Name] = mgr.NewExtensionTool(info)
72 changed = true
73 }
74 if !changed {
75 return
76 }
77 // Re-render the system prompt with the merged tool list. Skill
78 // addendum is preserved by walking the existing append slice.
79 append_ := r.systemAppend
80 r.SystemPrompt = BuildSystemPrompt(SystemPromptOpts{
81 CWD: r.CWD,
82 Tools: toolSummariesFromRegistry(r.ToolRegistry, r.toolDescriptions),
83 Custom: r.systemCustom,
84 Append: append_,
85 ZotDocsDir: filepath.Join(ZotHome(), "docs"),
86 })
87}
88
89// ExtensionToolSource is the slice of the extension manager that
90// MergeExtensionTools needs. Lives here as an interface so the
91// build package doesn't import packages/agent/extensions (which
92// imports core, which imports... avoid the cycle).
93type ExtensionToolSource interface {
94 Tools() []ExtensionToolInfo
95 NewExtensionTool(info ExtensionToolInfo) core.Tool
96}
97
98// ExtensionToolInfo mirrors extensions.ToolInfo so we can declare
99// ExtensionToolSource here without importing the extensions
100// package. The cli wires a tiny adapter to bridge them.
101type ExtensionToolInfo struct {
102 Extension string
103 Name string
104 Description string
105 Schema []byte
106}
107
108// toolSummariesFromRegistry rebuilds the system-prompt tool list
109// from a (possibly extended) registry, using cached descriptions for
110// the human-readable summary text.
111func toolSummariesFromRegistry(reg core.Registry, cached map[string]string) []ToolSummary {
112 out := make([]ToolSummary, 0, len(reg))
113 for name, t := range reg {
114 desc := t.Description()
115 if d, ok := cached[name]; ok && d != "" {
116 desc = d
117 }
118 out = append(out, ToolSummary{Name: name, Description: desc})
119 }
120 return out
121}
122
123// defaultModelForProvider returns the model id zot prefers when the
124// caller didn't pick one. Mirrors the per-provider switch used at
125// multiple points in Resolve; centralised so the unknown-model
126// recovery path and the no-model-configured path can't drift.
127//
128// Returns the empty string for "ollama", which has no built-in
129// default — the caller is expected to special-case ollama and
130// error or use whatever the user passed.
131func defaultModelForProvider(prov string) string {
132 switch prov {
133 case "openai":
134 return "gpt-5"
135 case "openai-codex":
136 return "gpt-5.5"
137 case "openai-responses":
138 return "gpt-5"
139 case "kimi":
140 return "kimi-for-coding"
141 case "deepseek":
142 return "deepseek-v4-pro"
143 case "google":
144 return "gemini-2.5-pro"
145 case "ollama":
146 return ""
147 case "moonshotai", "moonshotai-cn":
148 return "kimi-k2.6"
149 case "cerebras":
150 return "qwen-3-235b-a22b-instruct-2507"
151 case "groq":
152 return "llama-3.3-70b-versatile"
153 case "xai":
154 return "grok-code-fast-1"
155 case "together":
156 return "Qwen/Qwen3-Coder-480B-A35B-Instruct"
157 case "huggingface":
158 return "moonshotai/Kimi-K2-Instruct"
159 case "openrouter":
160 return "anthropic/claude-sonnet-4.5"
161 case "mistral":
162 return "mistral-large-latest"
163 case "zai":
164 return "glm-4.7"
165 case "xiaomi", "xiaomi-token-plan-ams", "xiaomi-token-plan-cn", "xiaomi-token-plan-sgp":
166 return "mimo-v2.5"
167 case "minimax", "minimax-cn":
168 return "MiniMax-M2.7"
169 case "fireworks":
170 return "accounts/fireworks/models/kimi-k2p6"
171 case "vercel-ai-gateway":
172 return "anthropic/claude-sonnet-4.5"
173 case "opencode":
174 return "claude-sonnet-4-5"
175 case "opencode-go":
176 return "kimi-k2.6"
177 case "amazon-bedrock":
178 return "anthropic.claude-sonnet-4-5-20250929-v1:0"
179 case "google-vertex":
180 return "gemini-2.5-pro"
181 case "azure-openai-responses":
182 return "gpt-5"
183 case "github-copilot":
184 return "claude-sonnet-4.5"
185 default:
186 return provider.DefaultModel.ID
187 }
188}
189
190// knownProviders is the set of provider ids zot recognises. Used by
191// Resolve to validate args.Provider, by extension-callers, and by the
192// auto-fallback logic that picks any logged-in provider when the user's
193// preferred one has no credentials.
194var knownProviders = []string{
195 "anthropic", "openai", "openai-codex", "openai-responses", "kimi", "deepseek", "google", "ollama",
196 "moonshotai", "moonshotai-cn",
197 "cerebras", "groq", "xai", "together", "huggingface", "openrouter",
198 "mistral", "zai",
199 "xiaomi", "xiaomi-token-plan-ams", "xiaomi-token-plan-cn", "xiaomi-token-plan-sgp",
200 "minimax", "minimax-cn",
201 "fireworks", "vercel-ai-gateway",
202 "opencode", "opencode-go",
203 "amazon-bedrock", "google-vertex", "azure-openai-responses",
204 "github-copilot", "cloudflare-workers-ai", "cloudflare-ai-gateway",
205}
206
207func isKnownProvider(name string) bool {
208 for _, p := range knownProviders {
209 if p == name {
210 return true
211 }
212 }
213 return false
214}
215
216// providerAliases maps common short / alternate provider names to the
217// canonical id in knownProviders. Users (and other agents) reach for
218// "bedrock" or "vertex" far more naturally than the fully-qualified
219// "amazon-bedrock" / "google-vertex"; without this mapping an alias is
220// treated as an unknown provider and Resolve silently falls back to
221// anthropic, producing a misleading "no credential for anthropic" error
222// after the user explicitly picked, say, bedrock.
223var providerAliases = map[string]string{
224 "bedrock": "amazon-bedrock",
225 "aws-bedrock": "amazon-bedrock",
226 "amazon": "amazon-bedrock",
227 "vertex": "google-vertex",
228 "gcp-vertex": "google-vertex",
229 "gemini": "google",
230 "googleai": "google",
231 "google-ai": "google",
232 "azure": "azure-openai-responses",
233 "azure-openai": "azure-openai-responses",
234 "copilot": "github-copilot",
235 "github": "github-copilot",
236 "codex": "openai-codex",
237 "moonshot": "moonshotai",
238 "kimi-code": "kimi",
239 "ai-gateway": "vercel-ai-gateway",
240 "vercel": "vercel-ai-gateway",
241 "cloudflare": "cloudflare-workers-ai",
242 "workers-ai": "cloudflare-workers-ai",
243 "hf": "huggingface",
244}
245
246// canonicalProvider normalises a user-supplied provider name: trims
247// surrounding whitespace, lower-cases it, and resolves any known alias
248// to its canonical id. Unknown names are returned trimmed/lower-cased
249// and unchanged so the existing unknown-provider handling still runs.
250func canonicalProvider(name string) string {
251 n := strings.ToLower(strings.TrimSpace(name))
252 if n == "" {
253 return n
254 }
255 if canon, ok := providerAliases[n]; ok {
256 return canon
257 }
258 return n
259}
260
261// Resolve merges args, config, and env into a Resolved set.
262//
263// Unlike the earlier version, Resolve NEVER returns an error for
264// missing credentials: the TUI can start without them and launch a
265// login flow. requireCred controls whether missing credentials are a
266// hard error (used by print/json modes).
267func Resolve(args Args, requireCred bool) (Resolved, error) {
268 cfg, _ := LoadConfig()
269
270 // User-requested provider (explicit > config > default).
271 // Normalise common aliases (e.g. "bedrock" -> "amazon-bedrock")
272 // before validation so an alias is never mistaken for an unknown
273 // provider and silently downgraded to anthropic.
274 argProvider := canonicalProvider(args.Provider)
275 provName := firstNonEmpty(argProvider, canonicalProvider(cfg.Provider), "anthropic")
276 if !isKnownProvider(provName) {
277 // Unknown provider (maybe removed or renamed). Fall back to
278 // the first provider that has credentials, or anthropic.
279 provName = "anthropic"
280 if _, _, _, err := ResolveCredentialFull("openai", ""); err == nil {
281 provName = "openai"
282 }
283 if _, _, _, err := ResolveCredentialFull("openai-codex", ""); err == nil {
284 provName = "openai-codex"
285 }
286 if _, _, _, err := ResolveCredentialFull("kimi", ""); err == nil {
287 provName = "kimi"
288 }
289 if _, _, _, err := ResolveCredentialFull("deepseek", ""); err == nil {
290 provName = "deepseek"
291 }
292 if _, _, _, err := ResolveCredentialFull("anthropic", ""); err == nil {
293 provName = "anthropic"
294 }
295 // Reset the saved config so this doesn't keep happening.
296 cfg.Provider = provName
297 cfg.Model = ""
298 _ = SaveConfig(cfg)
299 }
300
301 var (
302 cred string
303 method string
304 accountID string
305 credErr error
306 )
307 if provName == "ollama" {
308 if args.BaseURL == "" {
309 args.BaseURL = "http://localhost:11434"
310 }
311 cred = firstNonEmpty(args.APIKey, "ollama")
312 method = "apikey"
313 } else {
314 cred, method, accountID, credErr = ResolveCredentialFull(provName, args.APIKey)
315 }
316
317 // If the user did NOT explicitly pick a provider and the default one
318 // has no credentials, auto-fall-back to whichever provider is actually
319 // logged in. That way running plain `zot` after `/login` (any provider)
320 // never shows a "not logged in" banner.
321 userPickedProvider := args.Provider != ""
322 if credErr != nil && !userPickedProvider && provName != "ollama" {
323 for _, other := range []string{"anthropic", "openai", "openai-codex", "kimi", "deepseek", "google"} {
324 if other == provName {
325 continue
326 }
327 if c, m, a, err := ResolveCredentialFull(other, args.APIKey); err == nil {
328 provName = other
329 cred, method, accountID, credErr = c, m, a, err
330 break
331 }
332 }
333 }
334
335 model := firstNonEmpty(args.Model, cfg.Model)
336 if model == "" {
337 if provName == "ollama" {
338 return Resolved{}, fmt.Errorf("ollama requires --model (e.g. --model llama3)")
339 }
340 model = defaultModelForProvider(provName)
341 }
342 // If the resolved model belongs to a different provider (e.g. config
343 // says gpt-5 but we fell back to anthropic), pick that provider's default.
344 if provName != "ollama" {
345 if m, err := provider.FindModel("", model); err == nil && m.Provider != provName {
346 model = defaultModelForProvider(provName)
347 }
348 }
349 resolvedModel, err := provider.FindModel(provName, model)
350 if err != nil && provName == "ollama" {
351 // ollama is intentionally open-catalogue: any model id the
352 // local server understands is valid, even if not in the
353 // baked-in catalog.
354 resolvedModel = provider.Model{
355 Provider: "ollama",
356 ID: model,
357 DisplayName: model,
358 ContextWindow: 32768,
359 MaxOutput: 8192,
360 BaseURL: args.BaseURL,
361 Source: "ollama",
362 }
363 err = nil
364 }
365 if err != nil {
366 // The model the user (or persisted config) asked for is no
367 // longer in the active catalogue — they probably removed it
368 // from their models.json or upgraded zot and the id changed.
369 // Refusing to launch is the wrong move: it strands the user
370 // with no way to even open the TUI and pick a new model.
371 // Fall back to the provider's default, warn on stderr, and,
372 // when the stale id came from the persisted config (not an
373 // explicit --model flag), repair the config so the warning
374 // doesn't repeat on every launch.
375 fallback := defaultModelForProvider(provName)
376 fm, ferr := provider.FindModel(provName, fallback)
377 if ferr != nil {
378 // Even the provider default is gone (catastrophic
379 // catalogue trim). Last resort: any model on this
380 // provider, then the global DefaultModel.
381 if candidates := provider.ModelsForProvider(provName); len(candidates) > 0 {
382 fm = candidates[0]
383 ferr = nil
384 } else {
385 fm = provider.DefaultModel
386 ferr = nil
387 }
388 }
389 fmt.Fprintf(os.Stderr,
390 "zot: model %q is not in the active catalogue; using %q instead. Pick a different model with --model or /model.\n",
391 model, fm.ID)
392 if args.Model == "" && cfg.Model == model {
393 cfg.Model = fm.ID
394 _ = SaveConfig(cfg)
395 }
396 resolvedModel = fm
397 model = fm.ID
398 }
399
400 // If the model defines a base URL (e.g. local ollama) and the
401 // user didn't pass --base-url, use the model's URL.
402 if args.BaseURL == "" && resolvedModel.BaseURL != "" {
403 args.BaseURL = resolvedModel.BaseURL
404 }
405
406 // If the model has a base URL, credentials are optional (local
407 // models like ollama don't need real API keys).
408 if resolvedModel.BaseURL != "" && credErr != nil {
409 cred = "ollama"
410 credErr = nil
411 requireCred = false
412 }
413
414 if credErr != nil && requireCred {
415 return Resolved{}, fmt.Errorf("%w; set %s_API_KEY, pass --api-key, or run `zot` and /login",
416 credErr, envVarName(provName))
417 }
418
419 sandbox := tools.NewSandbox(args.CWD)
420 reg := buildToolRegistry(args, args.CWD, sandbox)
421
422 docsDir, _ := zotdocs.EnsureInstalled(ZotHome())
423
424 // Skill discovery: scan project + global locations + built-in
425 // skills shipped with the binary. If any are found, register
426 // the on-demand `skill` loader tool plus a system-prompt
427 // manifest so the model knows what's available.
428 //
429 // --no-skill bypasses the entire mechanism: no manifest in the
430 // system prompt, no `skill` tool in the registry. Useful for a
431 // clean-room run with zero extra context biasing the model.
432 var (
433 discovered []*skills.Skill
434 skillTool *skills.Tool
435 skillAddendum string
436 )
437 if !args.NoSkill {
438 homeDir, _ := os.UserHomeDir()
439 discovered, _ = skills.Discover(ZotHome(), args.CWD, homeDir, args.WithSkills)
440 if len(discovered) > 0 {
441 skillTool = skills.NewTool(discovered)
442 reg[skillTool.Name()] = skillTool
443 skillAddendum = skills.SystemPromptAddendum(discovered)
444 }
445 }
446 _ = skillTool
447
448 summaries := toolSummaries(reg, args)
449
450 append_ := append([]string(nil), args.AppendSystemPrompt...)
451 if agentsAddendum := readAgentsContext(args.CWD, ZotHome()); agentsAddendum != "" {
452 append_ = append(append_, agentsAddendum)
453 }
454 if skillAddendum != "" {
455 append_ = append(append_, skillAddendum)
456 }
457 if AutoSwarmEnabled() {
458 append_ = append(append_, AutoSwarmSystemAddendum)
459 }
460
461 // Custom system prompt resolution order:
462 // 1. --system-prompt flag (highest priority; ad-hoc per run)
463 // 2. $ZOT_HOME/SYSTEM.md (persistent user override)
464 // 3. built-in default (defaultIdentity + defaultGuidelines)
465 custom := args.SystemPrompt
466 if custom == "" {
467 custom = readUserSystemPrompt(ZotHome())
468 }
469
470 sys := BuildSystemPrompt(SystemPromptOpts{
471 CWD: args.CWD,
472 Tools: summaries,
473 Custom: custom,
474 Append: append_,
475 ZotDocsDir: docsDir,
476 })
477
478 reasoning := provider.NormalizeReasoning(firstNonEmpty(args.Reasoning, cfg.Reasoning))
479
480 max := args.MaxSteps // 0 = unlimited
481
482 return Resolved{
483 Provider: provName,
484 Model: model,
485 Credential: cred,
486 AuthMethod: method,
487 AccountID: accountID,
488 BaseURL: args.BaseURL,
489 CWD: args.CWD,
490 Reasoning: reasoning,
491 ToolRegistry: reg,
492 ToolSummary: summaries,
493 SystemPrompt: sys,
494 MaxSteps: max,
495 Sandbox: sandbox,
496 SkillTool: skillTool,
497 systemAppend: append_,
498 systemCustom: custom,
499 toolDescriptions: descMapFromSummaries(summaries),
500 }, nil
501}
502
503// readUserSystemPrompt looks for $ZOT_HOME/SYSTEM.md and returns its
504// trimmed contents, or "" when the file is missing / unreadable /
505// empty. Errors are intentionally swallowed: the file is optional,
506// and any failure to read it should fall back to the built-in
507// default system prompt rather than crash the run.
508func readUserSystemPrompt(zotHome string) string {
509 if zotHome == "" {
510 return ""
511 }
512 path := filepath.Join(zotHome, "SYSTEM.md")
513 raw, err := os.ReadFile(path)
514 if err != nil {
515 return ""
516 }
517 return strings.TrimSpace(string(raw))
518}
519
520// readAgentsContext loads optional AGENTS.md instruction files. No
521// default file is created or required: zot only includes files that
522// already exist. Global instructions ($ZOT_HOME/AGENTS.md) come first,
523// followed by project instructions from the top-most parent down to cwd.
524func readAgentsContext(cwd, zotHome string) string {
525 type contextFile struct {
526 path string
527 content string
528 }
529 var files []contextFile
530 seen := map[string]bool{}
531 add := func(path string) {
532 if path == "" {
533 return
534 }
535 abs, err := filepath.Abs(path)
536 if err == nil {
537 path = abs
538 }
539 if seen[path] {
540 return
541 }
542 raw, err := os.ReadFile(path)
543 if err != nil {
544 return
545 }
546 content := strings.TrimSpace(string(raw))
547 if content == "" {
548 return
549 }
550 seen[path] = true
551 files = append(files, contextFile{path: path, content: content})
552 }
553 addFirstFromDir := func(dir string) {
554 if dir == "" {
555 return
556 }
557 for _, name := range []string{"AGENTS.md", "AGENTS.MD"} {
558 path := filepath.Join(dir, name)
559 if _, err := os.Stat(path); err == nil {
560 add(path)
561 return
562 }
563 }
564 }
565
566 addFirstFromDir(zotHome)
567
568 if cwd != "" {
569 abs, err := filepath.Abs(cwd)
570 if err == nil {
571 cwd = abs
572 }
573 var dirs []string
574 for dir := filepath.Clean(cwd); ; dir = filepath.Dir(dir) {
575 dirs = append(dirs, dir)
576 parent := filepath.Dir(dir)
577 if parent == dir {
578 break
579 }
580 }
581 for i := len(dirs) - 1; i >= 0; i-- {
582 addFirstFromDir(dirs[i])
583 }
584 }
585
586 if len(files) == 0 {
587 return ""
588 }
589 var sb strings.Builder
590 sb.WriteString("Project context instructions loaded from AGENTS.md files. Follow them when working in this repository. Later files are more specific and may override earlier ones.\n")
591 for _, f := range files {
592 fmt.Fprintf(&sb, "\n## %s\n\n%s\n", f.path, f.content)
593 }
594 return strings.TrimSpace(sb.String())
595}
596
597// descMapFromSummaries indexes the human-readable descriptions for
598// the renderToolsSection rebuild path.
599func descMapFromSummaries(summaries []ToolSummary) map[string]string {
600 out := make(map[string]string, len(summaries))
601 for _, s := range summaries {
602 out[s.Name] = s.Description
603 }
604 return out
605}
606
607// NewClient returns a provider.Client for r, choosing the auth mode
608// based on r.AuthMethod. Panics if no credential is present; callers
609// must check HasCredential() first.
610func (r Resolved) NewClient() provider.Client {
611 if !r.HasCredential() {
612 panic("NewClient called without credential; check HasCredential first")
613 }
614 switch r.Provider {
615 case "ollama":
616 return provider.NewOpenAI(r.Credential, r.BaseURL)
617 case "kimi":
618 // kimi-coding speaks anthropic-messages on api.kimi.com/coding.
619 // Subscription OAuth (refreshed) wraps the same Anthropic-shaped client.
620 inner := provider.NewKimiCodingWithHeaders(r.Credential, r.BaseURL, kimiCodeHeaders())
621 if r.AuthMethod == "oauth" {
622 return r.wrapWithRefresh(inner)
623 }
624 return inner
625 case "moonshotai":
626 return provider.NewMoonshot(r.Credential, r.BaseURL)
627 case "moonshotai-cn":
628 return provider.NewMoonshotCN(r.Credential, r.BaseURL)
629 case "deepseek":
630 return provider.NewDeepSeek(r.Credential, r.BaseURL)
631 case "openai":
632 return provider.NewOpenAI(r.Credential, r.BaseURL)
633 case "openai-codex":
634 inner := provider.NewOpenAICodex(r.Credential, r.AccountID, r.BaseURL)
635 return r.wrapWithRefresh(inner)
636 case "openai-responses":
637 // Public OpenAI Responses API (api.openai.com/v1/responses) via
638 // API key. Separate provider from `openai` (Chat Completions) and
639 // from `openai-codex` (ChatGPT subscription OAuth).
640 return provider.NewOpenAIResponses(r.Credential, r.BaseURL)
641 case "google":
642 return provider.NewGemini(r.Credential, r.BaseURL)
643 case "cerebras":
644 return provider.NewCerebras(r.Credential, r.BaseURL)
645 case "groq":
646 return provider.NewGroq(r.Credential, r.BaseURL)
647 case "xai":
648 return provider.NewXAI(r.Credential, r.BaseURL)
649 case "together":
650 return provider.NewTogether(r.Credential, r.BaseURL)
651 case "huggingface":
652 return provider.NewHuggingFace(r.Credential, r.BaseURL)
653 case "openrouter":
654 return provider.NewOpenRouter(r.Credential, r.BaseURL)
655 case "zai":
656 return provider.NewZAI(r.Credential, r.BaseURL)
657 case "xiaomi":
658 return provider.NewXiaomi(r.Credential, r.BaseURL)
659 case "xiaomi-token-plan-ams":
660 return provider.NewXiaomiTokenPlan("ams", r.Credential, r.BaseURL)
661 case "xiaomi-token-plan-cn":
662 return provider.NewXiaomiTokenPlan("cn", r.Credential, r.BaseURL)
663 case "xiaomi-token-plan-sgp":
664 return provider.NewXiaomiTokenPlan("sgp", r.Credential, r.BaseURL)
665 case "opencode":
666 return provider.NewOpenCode(r.Credential, r.BaseURL)
667 case "opencode-go":
668 return provider.NewOpenCodeGo(r.Credential, r.BaseURL)
669 case "minimax":
670 return provider.NewMinimaxAnthropic(r.Credential, r.BaseURL)
671 case "minimax-cn":
672 return provider.NewMinimaxCNAnthropic(r.Credential, r.BaseURL)
673 case "fireworks":
674 return provider.NewFireworksAnthropic(r.Credential, r.BaseURL)
675 case "vercel-ai-gateway":
676 return provider.NewVercelGatewayAnthropic(r.Credential, r.BaseURL)
677 case "mistral":
678 return provider.NewMistral(r.Credential, r.BaseURL)
679 case "amazon-bedrock":
680 return provider.NewBedrock(r.Credential, r.BaseURL)
681 case "google-vertex":
682 return provider.NewGoogleVertex(r.Credential, r.BaseURL)
683 case "azure-openai-responses":
684 return provider.NewAzureOpenAIResponses(r.Credential, r.BaseURL)
685 case "github-copilot":
686 return provider.NewGithubCopilot(r.Credential, r.BaseURL)
687 case "cloudflare-workers-ai":
688 return provider.NewCloudflareWorkersAI(r.Credential, r.BaseURL)
689 case "cloudflare-ai-gateway":
690 return provider.NewCloudflareAIGateway(r.Credential, r.BaseURL)
691 default:
692 if r.AuthMethod == "oauth" {
693 inner := provider.NewAnthropicOAuth(r.Credential, r.BaseURL)
694 return r.wrapWithRefresh(inner)
695 }
696 return provider.NewAnthropic(r.Credential, r.BaseURL)
697 }
698}
699
700// wrapWithRefresh wraps an OAuth client so the access token is
701// refreshed automatically before each API call. Without this, long
702// sessions (hours) silently fail when the 1-hour token expires.
703func (r Resolved) wrapWithRefresh(inner provider.Client) provider.Client {
704 provName := r.Provider
705 tokenProvider := provName
706 if provName == "openai-codex" {
707 tokenProvider = "openai"
708 }
709 baseURL := r.BaseURL
710 accountID := r.AccountID
711
712 refreshFn := func(ctx context.Context) (string, error) {
713 tok, err := refreshIfExpired(tokenProvider, loadOAuthToken(tokenProvider))
714 if err != nil {
715 return "", err
716 }
717 return tok.AccessToken, nil
718 }
719
720 factory := func(token string) provider.Client {
721 switch provName {
722 case "openai-codex":
723 return provider.NewOpenAICodex(token, accountID, baseURL)
724 case "kimi":
725 // anthropic-messages on api.kimi.com/coding.
726 return provider.NewKimiCodingWithHeaders(token, baseURL, kimiCodeHeaders())
727 default:
728 return provider.NewAnthropicOAuth(token, baseURL)
729 }
730 }
731
732 return provider.NewRefreshingClient(inner, refreshFn, factory)
733}
734
735// UseSandbox replaces the sandbox pointer that every tool in r's
736// registry references. Used to keep the /jail state stable across
737// agent rebuilds (e.g. /login, /model switching providers).
738func (r *Resolved) UseSandbox(s *tools.Sandbox) {
739 if s == nil || r == nil {
740 return
741 }
742 r.Sandbox = s
743 for name, t := range r.ToolRegistry {
744 switch v := t.(type) {
745 case *tools.ReadTool:
746 v.Sandbox = s
747 case *tools.WriteTool:
748 v.Sandbox = s
749 case *tools.EditTool:
750 v.Sandbox = s
751 case *tools.BashTool:
752 v.Sandbox = s
753 }
754 _ = name
755 }
756}
757
758// NewAgent constructs a core.Agent from r. Requires a credential.
759func (r Resolved) NewAgent() *core.Agent {
760 a := core.NewAgent(r.NewClient(), r.Model, r.SystemPrompt, r.ToolRegistry)
761 a.MaxSteps = r.MaxSteps
762 a.Reasoning = r.Reasoning
763 return a
764}
765
766func buildToolRegistry(args Args, cwd string, sandbox *tools.Sandbox) core.Registry {
767 if args.NoTools {
768 return core.Registry{}
769 }
770 all := map[string]core.Tool{
771 "read": &tools.ReadTool{CWD: cwd, Sandbox: sandbox},
772 "write": &tools.WriteTool{CWD: cwd, Sandbox: sandbox},
773 "edit": &tools.EditTool{CWD: cwd, Sandbox: sandbox},
774 "bash": &tools.BashTool{CWD: cwd, Sandbox: sandbox},
775 }
776 reg := core.Registry{}
777 if len(args.Tools) == 0 {
778 for _, t := range all {
779 reg[t.Name()] = t
780 }
781 return reg
782 }
783 for _, name := range args.Tools {
784 if t, ok := all[name]; ok {
785 reg[name] = t
786 }
787 }
788 return reg
789}
790
791func toolSummaries(reg core.Registry, args Args) []ToolSummary {
792 order := []string{"read", "write", "edit", "bash"}
793 var out []ToolSummary
794 for _, name := range order {
795 if t, ok := reg[name]; ok {
796 out = append(out, ToolSummary{Name: t.Name(), Description: t.Description()})
797 }
798 }
799 return out
800}
801
802func firstNonEmpty(vals ...string) string {
803 for _, v := range vals {
804 if v != "" {
805 return v
806 }
807 }
808 return ""
809}
810
811func kimiCodeHeaders() map[string]string {
812 host, _ := os.Hostname()
813 if host == "" {
814 host = "unknown"
815 }
816 deviceID := ""
817 if home, err := os.UserHomeDir(); err == nil {
818 if b, err := os.ReadFile(filepath.Join(home, ".kimi", "device_id")); err == nil {
819 deviceID = strings.TrimSpace(string(b))
820 }
821 }
822 if deviceID == "" {
823 deviceID = "zot"
824 }
825 return map[string]string{
826 "User-Agent": "KimiCLI/1.41.0",
827 "X-Msh-Platform": "kimi_cli",
828 "X-Msh-Version": "1.41.0",
829 "X-Msh-Device-Name": host,
830 "X-Msh-Device-Model": runtime.GOOS + "-" + runtime.GOARCH,
831 "X-Msh-Os-Version": runtime.GOOS,
832 "X-Msh-Device-Id": deviceID,
833 }
834}
835
836func envVarName(provider string) string {
837 switch provider {
838 case "openai", "openai-codex", "openai-responses":
839 return "OPENAI"
840 case "kimi":
841 return "KIMI"
842 case "deepseek":
843 return "DEEPSEEK"
844 case "google":
845 return "GEMINI"
846 case "ollama":
847 return "OLLAMA"
848 case "moonshotai", "moonshotai-cn":
849 return "MOONSHOT"
850 case "groq":
851 return "GROQ"
852 case "xai":
853 return "XAI"
854 case "cerebras":
855 return "CEREBRAS"
856 case "together":
857 return "TOGETHER"
858 case "huggingface":
859 return "HF"
860 case "openrouter":
861 return "OPENROUTER"
862 case "mistral":
863 return "MISTRAL"
864 case "zai":
865 return "ZAI"
866 case "xiaomi":
867 return "XIAOMI"
868 case "xiaomi-token-plan-ams":
869 return "XIAOMI_TOKEN_PLAN_AMS"
870 case "xiaomi-token-plan-cn":
871 return "XIAOMI_TOKEN_PLAN_CN"
872 case "xiaomi-token-plan-sgp":
873 return "XIAOMI_TOKEN_PLAN_SGP"
874 case "minimax":
875 return "MINIMAX"
876 case "minimax-cn":
877 return "MINIMAX_CN"
878 case "fireworks":
879 return "FIREWORKS"
880 case "vercel-ai-gateway":
881 return "AI_GATEWAY"
882 case "opencode", "opencode-go":
883 return "OPENCODE"
884 case "github-copilot":
885 return "COPILOT_GITHUB_TOKEN"
886 case "cloudflare-workers-ai", "cloudflare-ai-gateway":
887 return "CLOUDFLARE"
888 case "amazon-bedrock":
889 return "AWS"
890 case "google-vertex":
891 return "GOOGLE_CLOUD"
892 case "azure-openai-responses":
893 return "AZURE_OPENAI"
894 default:
895 return "ANTHROPIC"
896 }
897}