| 1 | package config |
| 2 | |
| 3 | import ( |
| 4 | "fmt" |
| 5 | "hash/fnv" |
| 6 | "os" |
| 7 | "path/filepath" |
| 8 | "runtime" |
| 9 | "slices" |
| 10 | "strings" |
| 11 | "unicode/utf8" |
| 12 | |
| 13 | "reasonix/internal/command" |
| 14 | ) |
| 15 | |
| 16 | var ( |
| 17 | runtimeGOOS = runtime.GOOS |
| 18 | osUserHomeDir = os.UserHomeDir |
| 19 | osUserConfigDir = func() string { |
| 20 | dir, err := os.UserConfigDir() |
| 21 | if err != nil { |
| 22 | return "" |
| 23 | } |
| 24 | return dir |
| 25 | } |
| 26 | osUserCacheDir = func() string { |
| 27 | dir, err := os.UserCacheDir() |
| 28 | if err != nil { |
| 29 | return "" |
| 30 | } |
| 31 | return dir |
| 32 | } |
| 33 | ) |
| 34 | |
| 35 | func userConfigPath() string { |
| 36 | dir := userConfigDir() |
| 37 | if dir == "" { |
| 38 | return "" |
| 39 | } |
| 40 | return filepath.Join(dir, "config.toml") |
| 41 | } |
| 42 | |
| 43 | func userConfigDir() string { |
| 44 | return reasonixHomeDir() |
| 45 | } |
| 46 | |
| 47 | func reasonixHomeDir() string { |
| 48 | if dir := cleanEnvDir("REASONIX_HOME"); dir != "" { |
| 49 | return dir |
| 50 | } |
| 51 | if runtimeGOOS == "windows" { |
| 52 | if dir := osUserConfigDir(); dir != "" { |
| 53 | return filepath.Join(dir, "reasonix") |
| 54 | } |
| 55 | if home, err := osUserHomeDir(); err == nil && home != "" { |
| 56 | return filepath.Join(home, "AppData", "Roaming", "reasonix") |
| 57 | } |
| 58 | return "" |
| 59 | } |
| 60 | if home, err := osUserHomeDir(); err == nil && home != "" { |
| 61 | return filepath.Join(home, ".reasonix") |
| 62 | } |
| 63 | if dir := osUserConfigDir(); dir != "" { |
| 64 | return filepath.Join(dir, "reasonix") |
| 65 | } |
| 66 | return "" |
| 67 | } |
| 68 | |
| 69 | func userConfigLoadPath() string { |
| 70 | primary := userConfigPath() |
| 71 | if primary == "" { |
| 72 | return legacyUserConfigPath() |
| 73 | } |
| 74 | if _, err := os.Stat(primary); err == nil { |
| 75 | return primary |
| 76 | } |
| 77 | if legacy := legacyUserConfigPath(); legacy != "" { |
| 78 | if _, err := os.Stat(legacy); err == nil { |
| 79 | return legacy |
| 80 | } |
| 81 | } |
| 82 | for _, legacy := range legacyXDGConfigPaths() { |
| 83 | if legacy == "" || samePath(legacy, primary) { |
| 84 | continue |
| 85 | } |
| 86 | if _, err := os.Stat(legacy); err == nil { |
| 87 | return legacy |
| 88 | } |
| 89 | } |
| 90 | return primary |
| 91 | } |
| 92 | |
| 93 | func legacyUserConfigPath() string { |
| 94 | dir := legacyOSSupportDir() |
| 95 | if dir == "" { |
| 96 | return "" |
| 97 | } |
| 98 | path := filepath.Join(dir, "config.toml") |
| 99 | if primary := userConfigPath(); primary != "" && samePath(path, primary) { |
| 100 | return "" |
| 101 | } |
| 102 | return path |
| 103 | } |
| 104 | |
| 105 | func userConfigCandidatePaths() []string { |
| 106 | var paths []string |
| 107 | if p := userConfigPath(); p != "" { |
| 108 | paths = append(paths, p) |
| 109 | } |
| 110 | if p := legacyUserConfigPath(); p != "" { |
| 111 | paths = append(paths, p) |
| 112 | } |
| 113 | paths = append(paths, legacyXDGConfigPaths()...) |
| 114 | return paths |
| 115 | } |
| 116 | |
| 117 | func legacyXDGConfigPaths() []string { |
| 118 | if IsolatedHomeDir() != "" { |
| 119 | return nil |
| 120 | } |
| 121 | if runtimeGOOS == "windows" { |
| 122 | return nil |
| 123 | } |
| 124 | seen := map[string]bool{} |
| 125 | var paths []string |
| 126 | add := func(path string) { |
| 127 | if path == "" { |
| 128 | return |
| 129 | } |
| 130 | path = filepath.Clean(path) |
| 131 | if seen[path] { |
| 132 | return |
| 133 | } |
| 134 | seen[path] = true |
| 135 | paths = append(paths, path) |
| 136 | } |
| 137 | if dir := cleanEnvDir("XDG_CONFIG_HOME"); dir != "" { |
| 138 | add(filepath.Join(dir, "reasonix", "config.toml")) |
| 139 | } |
| 140 | if home, err := osUserHomeDir(); err == nil && home != "" { |
| 141 | add(filepath.Join(home, ".config", "reasonix", "config.toml")) |
| 142 | } |
| 143 | return paths |
| 144 | } |
| 145 | |
| 146 | func userSupportDir() string { |
| 147 | if dir := cleanEnvDir("REASONIX_STATE_HOME"); dir != "" { |
| 148 | return dir |
| 149 | } |
| 150 | return reasonixHomeDir() |
| 151 | } |
| 152 | |
| 153 | func legacyOSSupportDir() string { |
| 154 | if IsolatedHomeDir() != "" { |
| 155 | return "" |
| 156 | } |
| 157 | dir := osUserConfigDir() |
| 158 | if dir == "" { |
| 159 | return "" |
| 160 | } |
| 161 | path := filepath.Join(dir, "reasonix") |
| 162 | if current := reasonixHomeDir(); current != "" && samePath(path, current) { |
| 163 | return "" |
| 164 | } |
| 165 | return path |
| 166 | } |
| 167 | |
| 168 | func userCacheDir() string { |
| 169 | if dir := cleanEnvDir("REASONIX_CACHE_HOME"); dir != "" { |
| 170 | return dir |
| 171 | } |
| 172 | if dir := cleanEnvDir("REASONIX_HOME"); dir != "" { |
| 173 | return filepath.Join(dir, "cache") |
| 174 | } |
| 175 | dir := osUserCacheDir() |
| 176 | if dir == "" { |
| 177 | return "" |
| 178 | } |
| 179 | return filepath.Join(dir, "reasonix") |
| 180 | } |
| 181 | |
| 182 | func cleanEnvDir(name string) string { |
| 183 | dir := strings.TrimSpace(os.Getenv(name)) |
| 184 | if dir == "" { |
| 185 | return "" |
| 186 | } |
| 187 | dir = ExpandVars(dir) |
| 188 | if dir == "~" { |
| 189 | if home, err := osUserHomeDir(); err == nil && home != "" { |
| 190 | dir = home |
| 191 | } |
| 192 | } else if strings.HasPrefix(dir, "~/") || strings.HasPrefix(dir, `~\`) { |
| 193 | if home, err := osUserHomeDir(); err == nil && home != "" { |
| 194 | dir = filepath.Join(home, dir[2:]) |
| 195 | } |
| 196 | } |
| 197 | if !filepath.IsAbs(dir) { |
| 198 | if abs, err := filepath.Abs(dir); err == nil { |
| 199 | dir = abs |
| 200 | } |
| 201 | } |
| 202 | return filepath.Clean(dir) |
| 203 | } |
| 204 | |
| 205 | func samePath(a, b string) bool { |
| 206 | if a == "" || b == "" { |
| 207 | return false |
| 208 | } |
| 209 | aa, aerr := filepath.Abs(a) |
| 210 | bb, berr := filepath.Abs(b) |
| 211 | if aerr == nil { |
| 212 | a = aa |
| 213 | } |
| 214 | if berr == nil { |
| 215 | b = bb |
| 216 | } |
| 217 | return filepath.Clean(a) == filepath.Clean(b) |
| 218 | } |
| 219 | |
| 220 | // IsolatedHomeDir returns the REASONIX_HOME directory when it has been |
| 221 | // explicitly set via the environment variable. A non-empty return signals a |
| 222 | // self-contained runtime that must not fall back to legacy OS-default data |
| 223 | // paths or import data from the system-wide production install. |
| 224 | func IsolatedHomeDir() string { |
| 225 | return cleanEnvDir("REASONIX_HOME") |
| 226 | } |
| 227 | |
| 228 | // userConfigDisplayPath is userConfigPath collapsed to a ~-relative form for |
| 229 | // comments rendered into the user's own config.toml, so Windows users see the |
| 230 | // real location instead of a hardcoded ~/.reasonix path. |
| 231 | func userConfigDisplayPath() string { |
| 232 | p := userConfigPath() |
| 233 | if p == "" { |
| 234 | return "<os-config-dir>/reasonix/config.toml" |
| 235 | } |
| 236 | if home, err := osUserHomeDir(); err == nil && home != "" { |
| 237 | if rel, err := filepath.Rel(home, p); err == nil && !strings.HasPrefix(rel, "..") { |
| 238 | return "~/" + filepath.ToSlash(rel) |
| 239 | } |
| 240 | } |
| 241 | return p |
| 242 | } |
| 243 | |
| 244 | // UserConfigPath is the user-global config.toml. It lives under Reasonix home: |
| 245 | // REASONIX_HOME/config.toml, then ~/.reasonix/config.toml on Unix-like systems, |
| 246 | // or %AppData%/reasonix/config.toml on Windows. If %AppData% is unavailable on |
| 247 | // Windows, it falls back to %USERPROFILE%/AppData/Roaming/reasonix/config.toml. |
| 248 | // "" when the user config dir can't be resolved. |
| 249 | func UserConfigPath() string { return userConfigPath() } |
| 250 | |
| 251 | // LegacyUserConfigPath is the old OS app-support config.toml path when it |
| 252 | // differs from UserConfigPath. It is read as a compatibility fallback when the |
| 253 | // primary user config does not exist. |
| 254 | func LegacyUserConfigPath() string { return legacyUserConfigPath() } |
| 255 | |
| 256 | // LegacyUserConfigPaths returns every known legacy user config path that differs |
| 257 | // from the current v1.8.1 Reasonix-home config path. |
| 258 | func LegacyUserConfigPaths() []string { |
| 259 | primary := userConfigPath() |
| 260 | var out []string |
| 261 | add := func(path string) { |
| 262 | if path == "" || samePath(path, primary) { |
| 263 | return |
| 264 | } |
| 265 | for _, existing := range out { |
| 266 | if samePath(existing, path) { |
| 267 | return |
| 268 | } |
| 269 | } |
| 270 | out = append(out, path) |
| 271 | } |
| 272 | add(legacyUserConfigPath()) |
| 273 | for _, path := range legacyXDGConfigPaths() { |
| 274 | add(path) |
| 275 | } |
| 276 | return out |
| 277 | } |
| 278 | |
| 279 | // ReasonixManagedConfigPaths returns the Reasonix-owned user configuration |
| 280 | // FILES that model-driven tools may repair on the user's request, each gated |
| 281 | // by a fresh per-write human approval: the current config.toml, compatibility |
| 282 | // TOML locations, and the legacy v0.x ~/.reasonix/config.json. Individual |
| 283 | // files, never directories — the Reasonix home also holds credentials (.env), |
| 284 | // global hooks (settings.json), skills, and session stores, and none of those |
| 285 | // may ride along on a config repair. |
| 286 | func ReasonixManagedConfigPaths() []string { |
| 287 | var out []string |
| 288 | out = appendUniquePath(out, UserConfigPath()) |
| 289 | for _, path := range LegacyUserConfigPaths() { |
| 290 | out = appendUniquePath(out, path) |
| 291 | } |
| 292 | out = appendUniquePath(out, legacyConfigPath()) |
| 293 | return out |
| 294 | } |
| 295 | |
| 296 | func appendUniquePath(paths []string, path string) []string { |
| 297 | path = strings.TrimSpace(path) |
| 298 | if path == "" { |
| 299 | return paths |
| 300 | } |
| 301 | clean := filepath.Clean(path) |
| 302 | for _, existing := range paths { |
| 303 | if samePath(existing, clean) { |
| 304 | return paths |
| 305 | } |
| 306 | } |
| 307 | return append(paths, clean) |
| 308 | } |
| 309 | |
| 310 | // ReasonixHomeDir is the current Reasonix home directory. It honors |
| 311 | // REASONIX_HOME, then uses ~/.reasonix on macOS/Linux or %APPDATA%/reasonix on |
| 312 | // Windows, with a %USERPROFILE%/AppData/Roaming fallback when %APPDATA% is |
| 313 | // unavailable. |
| 314 | func ReasonixHomeDir() string { return reasonixHomeDir() } |
| 315 | |
| 316 | // RemoteStateDir is local state for the remote-SSH module (the managed |
| 317 | // known_hosts file, cached host metadata): <Reasonix home>/remote. Routed |
| 318 | // through the home resolver so REASONIX_HOME isolation holds. |
| 319 | func RemoteStateDir() string { |
| 320 | home := reasonixHomeDir() |
| 321 | if strings.TrimSpace(home) == "" { |
| 322 | return "" |
| 323 | } |
| 324 | return filepath.Join(home, "remote") |
| 325 | } |
| 326 | |
| 327 | // RemoteKnownHostsPath is the Reasonix-managed known_hosts file (OpenSSH |
| 328 | // format) that records TOFU-accepted host keys. The user's own |
| 329 | // ~/.ssh/known_hosts is only ever read, never written. |
| 330 | func RemoteKnownHostsPath() string { |
| 331 | dir := RemoteStateDir() |
| 332 | if dir == "" { |
| 333 | return "" |
| 334 | } |
| 335 | return filepath.Join(dir, "known_hosts") |
| 336 | } |
| 337 | |
| 338 | // MissingReasoningWarnStateDir is the shared directory for the rate-limited |
| 339 | // missing tool-call thinking recovery gate (#7059): <Reasonix home>/state. The |
| 340 | // legacy name preserves callers and the existing state-file contract. Routed |
| 341 | // through the home resolver so REASONIX_HOME isolation holds. |
| 342 | func MissingReasoningWarnStateDir() string { |
| 343 | home := reasonixHomeDir() |
| 344 | if strings.TrimSpace(home) == "" { |
| 345 | return "" |
| 346 | } |
| 347 | return filepath.Join(home, "state") |
| 348 | } |
| 349 | |
| 350 | // WorkspaceLeaseDir stores cross-process Delivery writer locks outside user |
| 351 | // workspaces. It intentionally follows the cache root rather than project or |
| 352 | // session state: taking a lease must never dirty the repository it protects. |
| 353 | func WorkspaceLeaseDir() string { |
| 354 | // Deliberately ignore REASONIX_HOME/REASONIX_CACHE_HOME here. Two app |
| 355 | // instances with different state profiles can still open the same user |
| 356 | // workspace, so their safety lock must converge on one OS-user cache root. |
| 357 | dir := osUserCacheDir() |
| 358 | if strings.TrimSpace(dir) == "" { |
| 359 | return "" |
| 360 | } |
| 361 | return filepath.Join(dir, "reasonix", "workspace-leases") |
| 362 | } |
| 363 | |
| 364 | // RepairMutationLockDir stores target-path repair locks in the OS-user cache. |
| 365 | // It deliberately ignores Reasonix home/cache overrides: isolated instances |
| 366 | // can still repair the same project reasonix.toml, so their locks must converge. |
| 367 | func RepairMutationLockDir() string { |
| 368 | dir := osUserCacheDir() |
| 369 | if strings.TrimSpace(dir) == "" { |
| 370 | return "" |
| 371 | } |
| 372 | return filepath.Join(dir, "reasonix", "repair-mutation-locks") |
| 373 | } |
| 374 | |
| 375 | // DeliveryWorktreeDir is durable storage for user-visible isolated Delivery |
| 376 | // workspaces. Explicit state/home overrides remain authoritative. Windows uses |
| 377 | // LocalAppData by default so large Git worktrees do not roam with the user's |
| 378 | // profile; other platforms keep using Reasonix state storage. |
| 379 | func DeliveryWorktreeDir() string { |
| 380 | if dir := cleanEnvDir("REASONIX_STATE_HOME"); dir != "" { |
| 381 | return filepath.Join(dir, "worktrees") |
| 382 | } |
| 383 | if dir := cleanEnvDir("REASONIX_HOME"); dir != "" { |
| 384 | return filepath.Join(dir, "worktrees") |
| 385 | } |
| 386 | if runtimeGOOS == "windows" { |
| 387 | if dir := osUserCacheDir(); dir != "" { |
| 388 | return filepath.Join(dir, "reasonix", "worktrees") |
| 389 | } |
| 390 | if home, err := osUserHomeDir(); err == nil && home != "" { |
| 391 | return filepath.Join(home, "AppData", "Local", "reasonix", "worktrees") |
| 392 | } |
| 393 | return "" |
| 394 | } |
| 395 | dir := userSupportDir() |
| 396 | if dir == "" { |
| 397 | return "" |
| 398 | } |
| 399 | return filepath.Join(dir, "worktrees") |
| 400 | } |
| 401 | |
| 402 | // UserCredentialsPath is the reasonix-owned global .env file under Reasonix |
| 403 | // home. It is the single source for provider credentials saved by Reasonix, so |
| 404 | // stale shell, Windows, project, or home env vars cannot silently override keys |
| 405 | // the user saved through setup or settings. "" when Reasonix home can't be |
| 406 | // resolved. |
| 407 | func UserCredentialsPath() string { |
| 408 | dir := reasonixHomeDir() |
| 409 | if dir == "" { |
| 410 | return "" |
| 411 | } |
| 412 | return filepath.Join(dir, ".env") |
| 413 | } |
| 414 | |
| 415 | // ArchiveDir is where compacted conversation history is archived for |
| 416 | // traceability (one timestamped .jsonl per compaction). Empty if the user state |
| 417 | // directory cannot be resolved, in which case archiving is skipped. |
| 418 | func ArchiveDir() string { |
| 419 | dir := userSupportDir() |
| 420 | if dir == "" { |
| 421 | return "" |
| 422 | } |
| 423 | return filepath.Join(dir, "archive") |
| 424 | } |
| 425 | |
| 426 | // SessionDir is where chat sessions are persisted (one .jsonl per session). |
| 427 | // Used by `reasonix --continue` / `--resume` to find the recent ones. Empty |
| 428 | // if the user state dir can't be resolved — sessions then aren't saved. |
| 429 | func SessionDir() string { |
| 430 | dir := userSupportDir() |
| 431 | if dir == "" { |
| 432 | return "" |
| 433 | } |
| 434 | return filepath.Join(dir, "sessions") |
| 435 | } |
| 436 | |
| 437 | // SessionStoreDir is the execution-v2 session root. Keeping it physically |
| 438 | // separate prevents older binaries from treating v3 commits as legacy JSONL |
| 439 | // transcripts and writing a format they do not understand. |
| 440 | func SessionStoreDir() string { |
| 441 | dir := userSupportDir() |
| 442 | if dir == "" { |
| 443 | return "" |
| 444 | } |
| 445 | return filepath.Join(dir, "sessions-v4") |
| 446 | } |
| 447 | |
| 448 | // DesktopSessionStoreDir is the SessionID-only Desktop store. It is a new |
| 449 | // generation so older binaries never mistake its layout for a project-local |
| 450 | // sessions-v4 root. The persistence root is by-id: workspace ownership lives |
| 451 | // in DesktopWorkspaceStatePath rather than in physical directories. |
| 452 | func DesktopSessionStoreDir() string { |
| 453 | dir := userSupportDir() |
| 454 | if dir == "" { |
| 455 | return "" |
| 456 | } |
| 457 | return filepath.Join(dir, "desktop-sessions-v5", "by-id") |
| 458 | } |
| 459 | |
| 460 | // DesktopWorkspaceStatePath is the durable ordered Workspace -> SessionID |
| 461 | // registry used by the Desktop sidebar and session lifecycle. |
| 462 | func DesktopWorkspaceStatePath() string { |
| 463 | dir := userSupportDir() |
| 464 | if dir == "" { |
| 465 | return "" |
| 466 | } |
| 467 | return filepath.Join(dir, "desktop", "workspace-state-v1.json") |
| 468 | } |
| 469 | |
| 470 | // DesktopDraftStatePath is the local-only session draft database. Drafts are |
| 471 | // deliberately separate from the Workspace -> Session registry: a draft is an |
| 472 | // editor surface and must not become a session until its first execution. |
| 473 | func DesktopDraftStatePath() string { |
| 474 | dir := userSupportDir() |
| 475 | if dir == "" { |
| 476 | return "" |
| 477 | } |
| 478 | return filepath.Join(dir, "desktop", "drafts-v1.sqlite") |
| 479 | } |
| 480 | |
| 481 | // DesktopLegacyEmptySessionCleanupPath stores the one-shot upgrade batch used |
| 482 | // to retire historical empty default-title sessions. It is intentionally |
| 483 | // separate from the workspace registry so older binaries can ignore it. |
| 484 | func DesktopLegacyEmptySessionCleanupPath() string { |
| 485 | dir := userSupportDir() |
| 486 | if dir == "" { |
| 487 | return "" |
| 488 | } |
| 489 | return filepath.Join(dir, "desktop", "legacy-empty-session-cleanup-v1.json") |
| 490 | } |
| 491 | |
| 492 | // StatsDir is where usage statistics are persisted (one .jsonl per day, e.g. |
| 493 | // stats/2026-08-02.jsonl). It lives under the user state root — not the install |
| 494 | // directory, which is typically read-only and replaced on upgrade — so usage |
| 495 | // records survive app updates. Empty if the user state dir can't be resolved, |
| 496 | // in which case usage accounting is skipped. |
| 497 | func StatsDir() string { |
| 498 | dir := userSupportDir() |
| 499 | if dir == "" { |
| 500 | return "" |
| 501 | } |
| 502 | return filepath.Join(dir, "stats") |
| 503 | } |
| 504 | |
| 505 | // ProjectSessionDir is the per-workspace session directory the desktop sidebar |
| 506 | // lists: <state root>/projects/<slug>/sessions. Empty when either the state root |
| 507 | // or workspaceRoot doesn't resolve. |
| 508 | func ProjectSessionDir(workspaceRoot string) string { |
| 509 | base := MemoryUserDir() |
| 510 | root := strings.TrimSpace(workspaceRoot) |
| 511 | if base == "" || root == "" { |
| 512 | return "" |
| 513 | } |
| 514 | if abs, err := filepath.Abs(root); err == nil { |
| 515 | root = abs |
| 516 | } |
| 517 | return filepath.Join(base, "projects", WorkspaceSlug(root), "sessions") |
| 518 | } |
| 519 | |
| 520 | // ProjectSessionStoreDir is the per-workspace execution-v2 session root. |
| 521 | func ProjectSessionStoreDir(workspaceRoot string) string { |
| 522 | base := MemoryUserDir() |
| 523 | root := strings.TrimSpace(workspaceRoot) |
| 524 | if base == "" || root == "" { |
| 525 | return "" |
| 526 | } |
| 527 | if abs, err := filepath.Abs(root); err == nil { |
| 528 | root = abs |
| 529 | } |
| 530 | return filepath.Join(base, "projects", WorkspaceSlug(root), "sessions-v4") |
| 531 | } |
| 532 | |
| 533 | // DesktopTopicStatePath returns the authoritative SQLite path for Desktop |
| 534 | // topic metadata. Global topics live directly under the user state root; |
| 535 | // project topics share the same stable workspace slug as project sessions. |
| 536 | func DesktopTopicStatePath(workspaceRoot string) string { |
| 537 | base := MemoryUserDir() |
| 538 | if base == "" { |
| 539 | return "" |
| 540 | } |
| 541 | root := strings.TrimSpace(workspaceRoot) |
| 542 | if root == "" { |
| 543 | return filepath.Join(base, "desktop", "topic-state-v1.sqlite") |
| 544 | } |
| 545 | if abs, err := filepath.Abs(root); err == nil { |
| 546 | root = abs |
| 547 | } |
| 548 | return filepath.Join(base, "projects", WorkspaceSlug(root), "desktop", "topic-state-v1.sqlite") |
| 549 | } |
| 550 | |
| 551 | // WorkspaceSlug flattens an absolute workspace path into the directory name |
| 552 | // used under <config root>/projects. Windows spells the same folder with |
| 553 | // varying case (drive-letter case, Explorer renames), so the slug folds case |
| 554 | // there — matching agent.CanonicalSessionPath's key form — or equivalent |
| 555 | // spellings of one workspace would produce distinct slug strings. Existing |
| 556 | // mixed-case slug directories need no migration: NTFS resolves names |
| 557 | // case-insensitively, so the folded slug opens the same directory. |
| 558 | func WorkspaceSlug(absPath string) string { |
| 559 | if runtimeGOOS == "windows" { |
| 560 | absPath = strings.ToLower(absPath) |
| 561 | } |
| 562 | slug := strings.NewReplacer(string(os.PathSeparator), "-", "/", "-", "\\", "-", ":", "-").Replace(absPath) |
| 563 | return boundFilenameComponent(slug, 255) |
| 564 | } |
| 565 | |
| 566 | // boundFilenameComponent caps a derived filename component at the common |
| 567 | // per-component filesystem limit (255 bytes on ext4/APFS/NTFS). maxLen is the |
| 568 | // byte budget for this component (path segments pass 255; names that gain an |
| 569 | // extension pass 255 minus the extension length). Inputs at or under the |
| 570 | // budget pass through byte-identical — every component that ever existed on |
| 571 | // disk is under the budget, or it could not have been created — so existing |
| 572 | // directories and files keep resolving. Only inputs that would previously |
| 573 | // have failed with ENAMETOOLONG are truncated, with an FNV-1a hash of the |
| 574 | // full input appended so distinct deep paths cannot collapse to one name. |
| 575 | func boundFilenameComponent(s string, maxLen int) string { |
| 576 | if maxLen <= 0 || len(s) <= maxLen { |
| 577 | return s |
| 578 | } |
| 579 | h := fnv.New64a() |
| 580 | _, _ = h.Write([]byte(s)) |
| 581 | budget := maxLen - 17 // room for "-" + 16 hex digits |
| 582 | prefix := s[:budget] |
| 583 | // Back off to a rune boundary so a multi-byte character is never split. |
| 584 | for len(prefix) > 0 && !utf8.ValidString(prefix) { |
| 585 | prefix = prefix[:len(prefix)-1] |
| 586 | } |
| 587 | return fmt.Sprintf("%s-%016x", prefix, h.Sum64()) |
| 588 | } |
| 589 | |
| 590 | // BoundFilenameComponent is the exported form for sibling packages deriving |
| 591 | // filename components from unbounded input. maxLen is the byte budget for the |
| 592 | // component (pass 255 for a bare path segment; subtract the extension length |
| 593 | // when one will be appended). |
| 594 | func BoundFilenameComponent(s string, maxLen int) string { |
| 595 | return boundFilenameComponent(s, maxLen) |
| 596 | } |
| 597 | |
| 598 | // CacheDir is the per-user cache root for derived/regenerable artefacts: MCP |
| 599 | // handshake snapshots, plugin startup-latency telemetry. Empty when the OS dir is |
| 600 | // unavailable — callers must tolerate that (caching is best-effort). |
| 601 | func CacheDir() string { |
| 602 | dir := userCacheDir() |
| 603 | if dir == "" { |
| 604 | return "" |
| 605 | } |
| 606 | return dir |
| 607 | } |
| 608 | |
| 609 | // MemoryUserDir returns the reasonix user state root (…/reasonix), under which |
| 610 | // the user-global REASONIX.md and the per-project auto-memory store live. Empty |
| 611 | // when the user state dir can't be resolved, which disables user-scoped memory. |
| 612 | func MemoryUserDir() string { |
| 613 | return userSupportDir() |
| 614 | } |
| 615 | |
| 616 | // ConventionDirs are the parent directories scanned for agent assets (skills, |
| 617 | // commands), in canonical-first order. .reasonix is ours; .agents / .agent / |
| 618 | // .claude let users drop in assets authored for other agent tools without moving |
| 619 | // files. Shared so skills (internal/skill) and commands (CommandDirs) discover |
| 620 | // the same set. Note: hooks are NOT scanned across these — a .claude/settings.json |
| 621 | // uses a different hook schema that can't be parsed as ours, so hooks stay in |
| 622 | // .reasonix/settings.json (see internal/hook). |
| 623 | var ConventionDirs = []string{".reasonix", ".agents", ".agent", ".claude"} |
| 624 | |
| 625 | // conventionSubdirsAsc joins sub under each ConventionDir of base, in ascending |
| 626 | // priority (reverse of ConventionDirs) so the canonical .reasonix ends up the |
| 627 | // highest-priority entry — command.Load lets a later directory win on a clash. |
| 628 | func conventionSubdirsAsc(base, sub string) []string { |
| 629 | out := make([]string, 0, len(ConventionDirs)) |
| 630 | for _, v := range slices.Backward(ConventionDirs) { |
| 631 | out = append(out, filepath.Join(base, v, sub)) |
| 632 | } |
| 633 | return out |
| 634 | } |
| 635 | |
| 636 | // CommandDirs returns the directories scanned for custom slash commands, lowest |
| 637 | // priority first, so a later (more specific) directory overrides an earlier one |
| 638 | // on a name clash. Order: home-dir convention dirs (~/.claude/commands … |
| 639 | // ~/.reasonix/commands), the Reasonix home commands dir, the legacy OS |
| 640 | // app-support dir if different, then the project's |
| 641 | // convention dirs (.claude/commands … .reasonix/commands). Scanning the .claude / |
| 642 | // .agents / .agent dirs lets commands authored for other agent tools (same .md + |
| 643 | // frontmatter format) work here unchanged. |
| 644 | func CommandDirs() []string { |
| 645 | return CommandDirsForRoot(".") |
| 646 | } |
| 647 | |
| 648 | // CommandDirsForRoot is like CommandDirs but resolves the project convention |
| 649 | // dirs under root instead of the current working directory. Global dirs are |
| 650 | // unchanged — they are always user-scoped. |
| 651 | func CommandDirsForRoot(root string) []string { |
| 652 | roots := CommandRootsForRoot(root) |
| 653 | dirs := make([]string, 0, len(roots)) |
| 654 | for _, spec := range roots { |
| 655 | dirs = append(dirs, spec.Path) |
| 656 | } |
| 657 | return dirs |
| 658 | } |
| 659 | |
| 660 | // CommandRootsForRoot is the ownership-aware form of CommandDirsForRoot. |
| 661 | // Plugin roots retain their package name so the loader can expose stable, |
| 662 | // package-qualified command names and hidden short-name compatibility aliases. |
| 663 | func CommandRootsForRoot(root string) []command.Root { |
| 664 | root = resolveRoot(root) |
| 665 | var roots []command.Root |
| 666 | add := func(spec command.Root) { |
| 667 | if spec.Path == "" { |
| 668 | return |
| 669 | } |
| 670 | for _, existing := range roots { |
| 671 | if samePath(existing.Path, spec.Path) && existing.Plugin == spec.Plugin { |
| 672 | return |
| 673 | } |
| 674 | } |
| 675 | roots = append(roots, spec) |
| 676 | } |
| 677 | // Enabled plugin packages contribute command dirs before user/project dirs, |
| 678 | // so explicit commands still win exact canonical-name clashes. |
| 679 | for _, spec := range pluginPackageCommandRoots() { |
| 680 | add(spec) |
| 681 | } |
| 682 | if dir := legacyOSSupportDir(); dir != "" { |
| 683 | add(command.Root{Path: filepath.Join(dir, "commands")}) |
| 684 | } |
| 685 | for _, legacy := range legacyXDGConfigPaths() { |
| 686 | add(command.Root{Path: filepath.Join(filepath.Dir(legacy), "commands")}) |
| 687 | } |
| 688 | if home, err := osUserHomeDir(); err == nil { |
| 689 | for _, dir := range conventionSubdirsAsc(home, "commands") { |
| 690 | add(command.Root{Path: dir}) |
| 691 | } |
| 692 | } |
| 693 | if dir := userConfigDir(); dir != "" { |
| 694 | add(command.Root{Path: filepath.Join(dir, "commands")}) |
| 695 | } |
| 696 | if dir := userSupportDir(); dir != "" && !samePath(dir, userConfigDir()) { |
| 697 | add(command.Root{Path: filepath.Join(dir, "commands")}) |
| 698 | } |
| 699 | for _, dir := range conventionSubdirsAsc(root, "commands") { |
| 700 | add(command.Root{Path: dir}) |
| 701 | } |
| 702 | return roots |
| 703 | } |
| 704 | |
| 705 | // SourcePath returns the highest-priority config file that exists, or "" if none. |
| 706 | func SourcePath() string { |
| 707 | return SourcePathForRoot(".") |
| 708 | } |
| 709 | |
| 710 | // SourcePathForRoot returns the highest-priority config file that exists under |
| 711 | // root, or "" if none. Equivalent to SourcePath() when root is ".". |
| 712 | func SourcePathForRoot(root string) string { |
| 713 | root = resolveRoot(root) |
| 714 | projectTOML := "reasonix.toml" |
| 715 | if root != "." { |
| 716 | projectTOML = filepath.Join(root, "reasonix.toml") |
| 717 | } |
| 718 | if _, err := os.Stat(projectTOML); err == nil { |
| 719 | return projectTOML |
| 720 | } |
| 721 | if uc := userConfigLoadPath(); uc != "" { |
| 722 | if _, err := os.Stat(uc); err == nil { |
| 723 | return uc |
| 724 | } |
| 725 | } |
| 726 | return "" |
| 727 | } |
| 728 |