| 1 | package cli |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "flag" |
| 6 | "fmt" |
| 7 | "os" |
| 8 | "os/signal" |
| 9 | "path/filepath" |
| 10 | "runtime" |
| 11 | "strings" |
| 12 | "time" |
| 13 | |
| 14 | "reasonix/internal/ablation" |
| 15 | "reasonix/internal/acp" |
| 16 | "reasonix/internal/boot" |
| 17 | "reasonix/internal/config" |
| 18 | "reasonix/internal/control" |
| 19 | "reasonix/internal/extension/providerext" |
| 20 | "reasonix/internal/i18n" |
| 21 | "reasonix/internal/netclient" |
| 22 | "reasonix/internal/plugin" |
| 23 | "reasonix/internal/provider" |
| 24 | "reasonix/internal/sandbox" |
| 25 | "reasonix/internal/tool" |
| 26 | "reasonix/internal/tool/builtin" |
| 27 | ) |
| 28 | |
| 29 | // acpCommand runs Reasonix as an Agent Client Protocol agent: a stdio JSON-RPC |
| 30 | // server that editors and other host clients drive (initialize, session/new, |
| 31 | // session/prompt, session/cancel). It keeps v2 wire-compatible with the many |
| 32 | // tools that integrated with v1 over ACP. |
| 33 | // |
| 34 | // stdin/stdout are the JSON-RPC channel — nothing else may write to stdout, so |
| 35 | // all diagnostics go to stderr. Each session is assembled by acpFactory, rooted |
| 36 | // at the cwd the client opens. |
| 37 | func acpCommand(args []string, version string) int { |
| 38 | args, deprecatedMode, err := consumeDeprecatedModeFlags(args, "profile") |
| 39 | if err != nil { |
| 40 | fmt.Fprintln(os.Stderr, i18n.M.ErrorPrefix, err) |
| 41 | return 2 |
| 42 | } |
| 43 | fs := flag.NewFlagSet("acp", flag.ContinueOnError) |
| 44 | model := fs.String("model", "", "provider name (default: config default_model)") |
| 45 | plannerFlag := fs.String("planner", "auto", "planner policy: auto | off") |
| 46 | networkFlag := fs.String("sandbox-network", "auto", "sandbox network policy: auto | on | off") |
| 47 | bashFlag := fs.String("sandbox-bash", "auto", "bash sandbox policy: auto | enforce") |
| 48 | workspaceOnly := fs.Bool("workspace-only", false, "ignore configured extra write roots and confine writes to the session cwd") |
| 49 | if code, ok := parseCommandFlags(fs, args); !ok { |
| 50 | return code |
| 51 | } |
| 52 | plannerMode := strings.ToLower(strings.TrimSpace(*plannerFlag)) |
| 53 | if plannerMode != "auto" && plannerMode != "off" { |
| 54 | fmt.Fprintln(os.Stderr, i18n.M.ErrorPrefix, "planner must be auto or off") |
| 55 | return 2 |
| 56 | } |
| 57 | networkMode := strings.ToLower(strings.TrimSpace(*networkFlag)) |
| 58 | var networkOverride *bool |
| 59 | switch networkMode { |
| 60 | case "auto": |
| 61 | case "on": |
| 62 | on := true |
| 63 | networkOverride = &on |
| 64 | case "off": |
| 65 | off := false |
| 66 | networkOverride = &off |
| 67 | default: |
| 68 | fmt.Fprintln(os.Stderr, i18n.M.ErrorPrefix, "sandbox-network must be auto, on, or off") |
| 69 | return 2 |
| 70 | } |
| 71 | bashMode := strings.ToLower(strings.TrimSpace(*bashFlag)) |
| 72 | if bashMode != "auto" && bashMode != "enforce" { |
| 73 | fmt.Fprintln(os.Stderr, i18n.M.ErrorPrefix, "sandbox-bash must be auto or enforce") |
| 74 | return 2 |
| 75 | } |
| 76 | if err := acceptDeprecatedModeFlag(deprecatedMode); err != nil { |
| 77 | fmt.Fprintln(os.Stderr, i18n.M.ErrorPrefix, err) |
| 78 | return 2 |
| 79 | } |
| 80 | |
| 81 | ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt) |
| 82 | defer stop() |
| 83 | |
| 84 | factory := &acpFactory{ |
| 85 | model: *model, plannerOff: plannerMode == "off", |
| 86 | networkOverride: networkOverride, workspaceOnly: *workspaceOnly, |
| 87 | bashOverride: bashMode, requireSandbox: bashMode == "enforce", |
| 88 | } |
| 89 | info := acp.AgentInfo{Name: "reasonix", Version: version} |
| 90 | if err := acp.Serve(ctx, os.Stdin, os.Stdout, factory, info); err != nil { |
| 91 | fmt.Fprintln(os.Stderr, i18n.M.ErrorPrefix, err) |
| 92 | return 1 |
| 93 | } |
| 94 | return 0 |
| 95 | } |
| 96 | |
| 97 | // acpFactory builds one control.Controller per ACP session by reusing boot.Build |
| 98 | // with the session cwd as WorkspaceRoot. That keeps ACP aligned with chat, |
| 99 | // desktop, and serve assembly while still adding the host-supplied MCP servers |
| 100 | // for this session only. |
| 101 | type acpFactory struct { |
| 102 | model string |
| 103 | plannerOff bool |
| 104 | networkOverride *bool |
| 105 | bashOverride string |
| 106 | workspaceOnly bool |
| 107 | requireSandbox bool |
| 108 | sandboxAvailable func() bool |
| 109 | } |
| 110 | |
| 111 | func (f *acpFactory) SessionDir() string { |
| 112 | return config.SessionDir() |
| 113 | } |
| 114 | |
| 115 | // ablationSet maps the ACP --planner=off hard override onto the shared |
| 116 | // subsystem switch boot consults. |
| 117 | func (f *acpFactory) ablationSet() ablation.Set { |
| 118 | if f.plannerOff { |
| 119 | return ablation.New(ablation.Planner) |
| 120 | } |
| 121 | return ablation.Set{} |
| 122 | } |
| 123 | |
| 124 | // NewSession assembles the per-session controller. Resources (MCP subprocesses) |
| 125 | // are released via the controller's Cleanup, run on ctrl.Close(). |
| 126 | func (f *acpFactory) NewSession(ctx context.Context, p acp.SessionParams) (*control.Controller, error) { |
| 127 | opts, err := f.sessionBootOptions(p) |
| 128 | if err != nil { |
| 129 | return nil, err |
| 130 | } |
| 131 | return boot.Build(ctx, opts) |
| 132 | } |
| 133 | |
| 134 | // RebuildSession rebuilds the session controller with the same boot.Options. |
| 135 | func (f *acpFactory) RebuildSession(ctx context.Context, p acp.SessionParams, old *control.Controller) (*control.Controller, error) { |
| 136 | opts, err := f.sessionBootOptions(p) |
| 137 | if err != nil { |
| 138 | return nil, err |
| 139 | } |
| 140 | res, err := boot.Rebuild(ctx, old, opts) |
| 141 | if err != nil { |
| 142 | return nil, err |
| 143 | } |
| 144 | // The stage-3a runtime set is always empty, so nothing leaks by returning |
| 145 | // only the controller (see boot.Build's compatibility wrapper). |
| 146 | return res.Controller, nil |
| 147 | } |
| 148 | |
| 149 | // sessionBootOptions builds the boot.Options every ACP session controller — |
| 150 | // initial build or boot.Rebuild replacement — is assembled from. |
| 151 | func (f *acpFactory) sessionBootOptions(p acp.SessionParams) (boot.Options, error) { |
| 152 | root := strings.TrimSpace(p.Cwd) |
| 153 | if root == "" { |
| 154 | if wd, err := os.Getwd(); err == nil { |
| 155 | root = wd |
| 156 | } |
| 157 | } |
| 158 | if root != "" && !filepath.IsAbs(root) { |
| 159 | return boot.Options{}, fmt.Errorf("session cwd must be an absolute path: %s", root) |
| 160 | } |
| 161 | bashOverride := "" |
| 162 | if f.bashOverride == "enforce" { |
| 163 | bashOverride = "enforce" |
| 164 | } |
| 165 | sessionDir := f.SessionDir() |
| 166 | return boot.Options{ |
| 167 | Model: firstNonEmpty(p.Model, f.model), |
| 168 | RequireKey: true, |
| 169 | Sink: p.Sink, |
| 170 | StatsSource: "cli", |
| 171 | EffortOverride: p.EffortOverride, |
| 172 | Stderr: os.Stderr, |
| 173 | WorkspaceRoot: root, |
| 174 | SessionDir: sessionDir, |
| 175 | SessionService: cliSessionService(sessionDir), |
| 176 | SessionHostID: "local", |
| 177 | ExtraPlugins: p.MCPServers, |
| 178 | MCPHostProfile: plugin.HostProfileForInteractive(p.MCPInteractions), |
| 179 | CleanupPendingReconciler: acp.ReconcileCleanupPending, |
| 180 | OnSessionRecovered: p.OnSessionRecovered, |
| 181 | OnSessionTransition: p.OnSessionTransition, |
| 182 | FileOverlay: p.FileOverlay, |
| 183 | TerminalRunner: p.Terminal, |
| 184 | Ablation: f.ablationSet(), |
| 185 | SandboxNetworkOverride: f.networkOverride, |
| 186 | SandboxBashOverride: bashOverride, |
| 187 | WorkspaceOnly: f.workspaceOnly, |
| 188 | }, nil |
| 189 | } |
| 190 | |
| 191 | func (f *acpFactory) SessionRuntimeState(_ context.Context, p acp.SessionRuntimeStateParams) (acp.SessionRuntimeState, error) { |
| 192 | cfg, err := config.LoadForRoot(p.Cwd) |
| 193 | if err != nil { |
| 194 | return acp.SessionRuntimeState{}, err |
| 195 | } |
| 196 | plannerMode := effectiveACPPlannerMode(cfg, f.plannerOff, p.Model) |
| 197 | writeRoots := cfg.WriteRootsForRoot(p.Cwd) |
| 198 | if f.workspaceOnly { |
| 199 | writeRoots = []string{p.Cwd} |
| 200 | } |
| 201 | networkEnabled := cfg.Sandbox.Network |
| 202 | if f.networkOverride != nil { |
| 203 | networkEnabled = *f.networkOverride |
| 204 | } |
| 205 | effectiveBash := cfg.BashMode() |
| 206 | if f.bashOverride == "enforce" { |
| 207 | effectiveBash = "enforce" |
| 208 | } |
| 209 | sandboxAvailable := true |
| 210 | if effectiveBash == "enforce" { |
| 211 | sandboxAvailable = f.isSandboxAvailable() |
| 212 | } else { |
| 213 | // Without an OS sandbox the shell is intentionally unconfined, including |
| 214 | // network access; report the actual posture rather than the inert config bit. |
| 215 | networkEnabled = true |
| 216 | } |
| 217 | if f.requireSandbox && !sandboxAvailable { |
| 218 | return acp.SessionRuntimeState{}, fmt.Errorf("effective bash sandbox unavailable: %s", sandbox.UnavailableMessage()) |
| 219 | } |
| 220 | return acp.SessionRuntimeState{ |
| 221 | PlannerMode: plannerMode, |
| 222 | Sandbox: acp.SessionSandboxState{ |
| 223 | Mode: effectiveBash, |
| 224 | Engine: acpSandboxEngine(effectiveBash), |
| 225 | Available: sandboxAvailable, |
| 226 | WorkspaceRoot: p.Cwd, |
| 227 | WriteRoots: writeRoots, |
| 228 | NetworkEnabled: networkEnabled, |
| 229 | }, |
| 230 | }, nil |
| 231 | } |
| 232 | |
| 233 | func (f *acpFactory) isSandboxAvailable() bool { |
| 234 | if f.sandboxAvailable != nil { |
| 235 | return f.sandboxAvailable() |
| 236 | } |
| 237 | return sandbox.Available() |
| 238 | } |
| 239 | |
| 240 | func effectiveACPPlannerMode(cfg *config.Config, disabled bool, model string) string { |
| 241 | if cfg == nil || disabled { |
| 242 | return "off" |
| 243 | } |
| 244 | plannerRef := strings.TrimSpace(cfg.Agent.PlannerModel) |
| 245 | if plannerRef == "" { |
| 246 | return "off" |
| 247 | } |
| 248 | planner, plannerOK := cfg.ResolveModel(plannerRef) |
| 249 | executor, executorOK := cfg.ResolveModel(strings.TrimSpace(model)) |
| 250 | if !plannerOK || !executorOK || planner.Model == executor.Model { |
| 251 | return "off" |
| 252 | } |
| 253 | return "on" |
| 254 | } |
| 255 | |
| 256 | func acpSandboxEngine(mode string) string { |
| 257 | if mode != "enforce" { |
| 258 | return "none" |
| 259 | } |
| 260 | switch runtime.GOOS { |
| 261 | case "darwin": |
| 262 | return "seatbelt" |
| 263 | case "linux": |
| 264 | return "bubblewrap" |
| 265 | default: |
| 266 | return "none" |
| 267 | } |
| 268 | } |
| 269 | |
| 270 | func (f *acpFactory) SessionConfigState(_ context.Context, p acp.SessionConfigStateParams) (acp.SessionConfigState, error) { |
| 271 | root := strings.TrimSpace(p.Cwd) |
| 272 | if root == "" { |
| 273 | if wd, err := os.Getwd(); err == nil { |
| 274 | root = wd |
| 275 | } |
| 276 | } |
| 277 | if root != "" && !filepath.IsAbs(root) { |
| 278 | return acp.SessionConfigState{}, fmt.Errorf("session cwd must be an absolute path: %s", root) |
| 279 | } |
| 280 | _, _ = config.MigrateLegacyIfNeededForRoot(root) |
| 281 | _, _ = config.MigrateMCPToUserConfigOnUpgrade([]string{root}) |
| 282 | cfg, err := config.LoadForRoot(root) |
| 283 | if err != nil { |
| 284 | return acp.SessionConfigState{}, err |
| 285 | } |
| 286 | |
| 287 | // Session or factory model overrides are explicit; empty falls back (#6996). |
| 288 | explicit := firstNonEmpty(p.Model, f.model) |
| 289 | ref, _, err := resolveModelForCLI(explicit, cfg) |
| 290 | if err != nil { |
| 291 | return acp.SessionConfigState{}, err |
| 292 | } |
| 293 | if strings.TrimSpace(ref) == "" { |
| 294 | return acp.SessionConfigState{}, fmt.Errorf("no default_model configured") |
| 295 | } |
| 296 | // Plugin-namespaced refs belong to extension sidecars: they never resolve |
| 297 | // through the config catalog, so their configured/current handling keys off |
| 298 | // the ref itself and boot's merged resolver is the gate. |
| 299 | pluginRef := providerext.PluginRefOwner(ref) != "" |
| 300 | entry, ok := cfg.ResolveModel(ref) |
| 301 | if !ok && !pluginRef { |
| 302 | return acp.SessionConfigState{}, fmt.Errorf("unknown model %q", ref) |
| 303 | } |
| 304 | if ok && !entry.Configured() { |
| 305 | return acp.SessionConfigState{}, fmt.Errorf("model %q is not configured", ref) |
| 306 | } |
| 307 | currentModel := ref |
| 308 | entryDescription := "" |
| 309 | if ok { |
| 310 | currentModel = entry.Name + "/" + entry.Model |
| 311 | entryDescription = entry.Name |
| 312 | } |
| 313 | modelOptions, modelInfos := acpModelOptions(cfg) |
| 314 | if !hasModelOption(modelOptions, currentModel) { |
| 315 | modelOptions = append(modelOptions, acp.SessionConfigSelectOption{ |
| 316 | Value: currentModel, |
| 317 | Name: currentModel, |
| 318 | Description: entryDescription, |
| 319 | }) |
| 320 | modelInfos = append(modelInfos, acp.ModelInfo{ |
| 321 | ModelID: currentModel, |
| 322 | Name: currentModel, |
| 323 | Description: entryDescription, |
| 324 | }) |
| 325 | } |
| 326 | |
| 327 | effortEntry := config.ProviderEntry{} |
| 328 | if ok { |
| 329 | effortEntry = *entry |
| 330 | } |
| 331 | effortOverride := cloneStringPtr(p.EffortOverride) |
| 332 | if effortOverride != nil { |
| 333 | if strings.TrimSpace(*effortOverride) == "" { |
| 334 | effortEntry.Effort = "" |
| 335 | } else { |
| 336 | normalized, err := config.NormalizeEffort(&effortEntry, *effortOverride) |
| 337 | if err != nil { |
| 338 | return acp.SessionConfigState{}, err |
| 339 | } else { |
| 340 | effortEntry.Effort = normalized |
| 341 | effortOverride = &normalized |
| 342 | } |
| 343 | } |
| 344 | } |
| 345 | if err := config.ReasoningCapabilityForEntry(&effortEntry).Validate(effortEntry.Model, config.EffectiveEffort(&effortEntry)); err != nil { |
| 346 | return acp.SessionConfigState{}, err |
| 347 | } |
| 348 | |
| 349 | options := []acp.SessionConfigOption{{ |
| 350 | ID: "model", |
| 351 | Name: "Model", |
| 352 | Category: "model", |
| 353 | Type: "select", |
| 354 | CurrentValue: currentModel, |
| 355 | Options: modelOptions, |
| 356 | }} |
| 357 | if cap := config.EffortCapabilityForEntry(&effortEntry); cap.Supported { |
| 358 | currentEffort := config.EffortDisplay(&effortEntry) |
| 359 | if !containsString(cap.Levels, currentEffort) { |
| 360 | currentEffort = config.EffectiveEffort(&effortEntry) |
| 361 | } |
| 362 | options = append(options, acp.SessionConfigOption{ |
| 363 | ID: "effort", |
| 364 | Name: "Effort", |
| 365 | Category: "thought_level", |
| 366 | Type: "select", |
| 367 | CurrentValue: currentEffort, |
| 368 | Options: acpEffortOptions(cap.Levels), |
| 369 | }) |
| 370 | } |
| 371 | // RuntimeProfile stays pinned for old status readers; mode options are unpublished. |
| 372 | return acp.SessionConfigState{ |
| 373 | Model: currentModel, |
| 374 | EffortOverride: effortOverride, |
| 375 | RuntimeProfile: "balanced", |
| 376 | Models: &acp.SessionModelState{ |
| 377 | AvailableModels: modelInfos, |
| 378 | CurrentModelID: currentModel, |
| 379 | }, |
| 380 | ConfigOptions: options, |
| 381 | }, nil |
| 382 | } |
| 383 | |
| 384 | func acpBuiltinTools(cfg *config.Config, cwd string, writeRoots []string) []tool.Tool { |
| 385 | bashSpec := sandbox.Spec{Mode: cfg.BashMode(), WriteRoots: writeRoots, Network: cfg.Sandbox.Network} |
| 386 | ws := builtin.Workspace{ |
| 387 | Dir: cwd, |
| 388 | WriteRoots: writeRoots, |
| 389 | Bash: bashSpec, |
| 390 | BashTimeout: time.Duration(cfg.BashTimeoutSeconds()) * time.Second, |
| 391 | Search: builtin.ResolveSearch(cfg.Tools.Search.Engine, cfg.Tools.Search.RgPath, nil), |
| 392 | ProxySpec: cfg.NetworkProxySpec(), |
| 393 | SessionGuard: builtin.NewSessionDataGuard(config.MemoryUserDir(), cfg.AllowWriteRoots()), |
| 394 | } |
| 395 | return ws.Tools(cfg.Tools.Enabled...) |
| 396 | } |
| 397 | |
| 398 | func acpModelOptions(cfg *config.Config) ([]acp.SessionConfigSelectOption, []acp.ModelInfo) { |
| 399 | if cfg == nil { |
| 400 | return nil, nil |
| 401 | } |
| 402 | var options []acp.SessionConfigSelectOption |
| 403 | var models []acp.ModelInfo |
| 404 | for i := range cfg.Providers { |
| 405 | p := &cfg.Providers[i] |
| 406 | if !p.Configured() { |
| 407 | continue |
| 408 | } |
| 409 | for _, model := range p.ChatModelList() { |
| 410 | ref := p.Name + "/" + model |
| 411 | options = append(options, acp.SessionConfigSelectOption{ |
| 412 | Value: ref, |
| 413 | Name: ref, |
| 414 | Description: p.Name, |
| 415 | }) |
| 416 | models = append(models, acp.ModelInfo{ |
| 417 | ModelID: ref, |
| 418 | Name: ref, |
| 419 | Description: p.Name, |
| 420 | }) |
| 421 | } |
| 422 | } |
| 423 | return options, models |
| 424 | } |
| 425 | |
| 426 | func hasModelOption(options []acp.SessionConfigSelectOption, ref string) bool { |
| 427 | for _, opt := range options { |
| 428 | if opt.Value == ref { |
| 429 | return true |
| 430 | } |
| 431 | } |
| 432 | return false |
| 433 | } |
| 434 | |
| 435 | func acpEffortOptions(levels []string) []acp.SessionConfigSelectOption { |
| 436 | out := make([]acp.SessionConfigSelectOption, 0, len(levels)) |
| 437 | for _, level := range levels { |
| 438 | out = append(out, acp.SessionConfigSelectOption{Value: level, Name: effortOptionName(level)}) |
| 439 | } |
| 440 | return out |
| 441 | } |
| 442 | |
| 443 | func effortOptionName(level string) string { |
| 444 | if level == "" { |
| 445 | return "" |
| 446 | } |
| 447 | if level == "xhigh" { |
| 448 | return "XHigh" |
| 449 | } |
| 450 | return strings.ToUpper(level[:1]) + level[1:] |
| 451 | } |
| 452 | |
| 453 | func firstNonEmpty(values ...string) string { |
| 454 | for _, value := range values { |
| 455 | if strings.TrimSpace(value) != "" { |
| 456 | return strings.TrimSpace(value) |
| 457 | } |
| 458 | } |
| 459 | return "" |
| 460 | } |
| 461 | |
| 462 | func cloneStringPtr(p *string) *string { |
| 463 | if p == nil { |
| 464 | return nil |
| 465 | } |
| 466 | cp := *p |
| 467 | return &cp |
| 468 | } |
| 469 | |
| 470 | func acpTaskProfileDefaults(cfg *config.Config) (string, string) { |
| 471 | if cfg == nil { |
| 472 | return "", "" |
| 473 | } |
| 474 | model := strings.TrimSpace(cfg.Agent.SubagentModels["task"]) |
| 475 | if model == "" { |
| 476 | model = strings.TrimSpace(cfg.Agent.SubagentModel) |
| 477 | } |
| 478 | effort := strings.TrimSpace(cfg.Agent.SubagentEfforts["task"]) |
| 479 | if effort == "" { |
| 480 | effort = strings.TrimSpace(cfg.Agent.SubagentEffort) |
| 481 | } |
| 482 | return model, effort |
| 483 | } |
| 484 | |
| 485 | func newACPSubagentProviderResolver(cfg *config.Config, parent *config.ProviderEntry, proxySpec netclient.ProxySpec) func(string, string) (provider.Provider, *provider.Pricing, int, error) { |
| 486 | return func(modelRef, effort string) (provider.Provider, *provider.Pricing, int, error) { |
| 487 | modelRef = strings.TrimSpace(modelRef) |
| 488 | effort = strings.TrimSpace(effort) |
| 489 | |
| 490 | var entry *config.ProviderEntry |
| 491 | if modelRef != "" { |
| 492 | var ok bool |
| 493 | entry, ok = cfg.ResolveModel(modelRef) |
| 494 | if !ok { |
| 495 | return nil, nil, 0, fmt.Errorf("subagent_model %q is not a configured provider", modelRef) |
| 496 | } |
| 497 | } else { |
| 498 | cp := *parent |
| 499 | entry = &cp |
| 500 | } |
| 501 | |
| 502 | if effort != "" { |
| 503 | normalized, err := config.NormalizeEffort(entry, effort) |
| 504 | if err != nil { |
| 505 | return nil, nil, 0, err |
| 506 | } |
| 507 | entry.Effort = normalized |
| 508 | if entry.Kind == "anthropic" && strings.TrimSpace(entry.Effort) != "" && strings.TrimSpace(entry.Thinking) == "" { |
| 509 | entry.Thinking = "adaptive" |
| 510 | } |
| 511 | } |
| 512 | |
| 513 | prov, err := boot.NewProviderWithProxy(entry, proxySpec) |
| 514 | if err != nil { |
| 515 | return nil, nil, 0, err |
| 516 | } |
| 517 | return prov, entry.Price, entry.ContextWindow, nil |
| 518 | } |
| 519 | } |
| 520 |