| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "cmp" |
| 5 | "context" |
| 6 | "encoding/json" |
| 7 | "errors" |
| 8 | "fmt" |
| 9 | "io" |
| 10 | "net/http" |
| 11 | "strings" |
| 12 | "time" |
| 13 | |
| 14 | "reasonix/internal/config" |
| 15 | ) |
| 16 | |
| 17 | func (a *App) RenameRemoteProjectSession(hostID, workspace, name, title string) error { |
| 18 | if err := setRemoteSessionTitleOverride(hostID, workspace, name, title); err != nil { |
| 19 | return err |
| 20 | } |
| 21 | |
| 22 | a.remoteTabMu.Lock() |
| 23 | var live *remoteTab |
| 24 | var liveID string |
| 25 | var client *http.Client |
| 26 | var base string |
| 27 | for _, tab := range a.remoteTabs { |
| 28 | if tab.ref.HostID == hostID && tab.ref.Workspace == workspace && tab.client != nil { |
| 29 | live = tab |
| 30 | liveID = tab.id |
| 31 | client = tab.client |
| 32 | base = tab.base |
| 33 | break |
| 34 | } |
| 35 | } |
| 36 | a.remoteTabMu.Unlock() |
| 37 | if live == nil { |
| 38 | return nil |
| 39 | } |
| 40 | if strings.TrimSpace(name) == "" { |
| 41 | next := strings.TrimSpace(title) |
| 42 | if next == "" { |
| 43 | next = a.localizedDefaultTopicTitle() |
| 44 | } |
| 45 | a.remoteTabMu.Lock() |
| 46 | current := a.remoteTabs[liveID] |
| 47 | if current != live || current.client != client || !current.session.reset { |
| 48 | a.remoteTabMu.Unlock() |
| 49 | return nil |
| 50 | } |
| 51 | changed := current.topicTitle != next |
| 52 | current.topicTitle = next |
| 53 | meta := remoteTabMetaLocked(current) |
| 54 | a.remoteTabMu.Unlock() |
| 55 | if changed { |
| 56 | a.emitRemoteEvent("remote-tab:updated", meta) |
| 57 | a.saveTabsFromRemote() |
| 58 | } |
| 59 | return nil |
| 60 | } |
| 61 | ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second) |
| 62 | defer cancel() |
| 63 | entries, err := serveSessions(ctx, client, base) |
| 64 | if err != nil { |
| 65 | return nil |
| 66 | } |
| 67 | for _, entry := range entries { |
| 68 | if !entry.Current || entry.Name != name { |
| 69 | continue |
| 70 | } |
| 71 | next := strings.TrimSpace(title) |
| 72 | if next == "" { |
| 73 | next = strings.TrimSpace(entry.Title) |
| 74 | } |
| 75 | if next == "" { |
| 76 | next = remoteWorkspaceName(workspace) |
| 77 | } |
| 78 | a.remoteTabMu.Lock() |
| 79 | current := a.remoteTabs[liveID] |
| 80 | if current != live || current.client != client { |
| 81 | a.remoteTabMu.Unlock() |
| 82 | return nil |
| 83 | } |
| 84 | changed := current.topicTitle != next |
| 85 | if changed { |
| 86 | current.topicTitle = next |
| 87 | } |
| 88 | meta := remoteTabMetaLocked(current) |
| 89 | a.remoteTabMu.Unlock() |
| 90 | if changed { |
| 91 | a.emitRemoteEvent("remote-tab:updated", meta) |
| 92 | a.saveTabsFromRemote() |
| 93 | } |
| 94 | return nil |
| 95 | } |
| 96 | return nil |
| 97 | } |
| 98 | |
| 99 | func (a *App) resumeRemoteTabSession(tabID, name string) { |
| 100 | a.resumeRemoteTabSessionPath(tabID, name, "", "") |
| 101 | } |
| 102 | |
| 103 | func (a *App) resumeRemoteTabSessionPath(tabID, name, sessionPath, sessionTitle string) { |
| 104 | a.resumeRemoteTabSessionPathForSelection(tabID, name, sessionPath, sessionTitle, 0) |
| 105 | } |
| 106 | |
| 107 | func (a *App) resumeRemoteTabSessionPathForSelection(tabID, name, sessionPath, sessionTitle string, selectionRevision uint64) bool { |
| 108 | return a.resumeRemoteTabSessionPathForOpenSelection(tabID, name, sessionPath, sessionTitle, selectionRevision, nil) |
| 109 | } |
| 110 | |
| 111 | // remoteTabResumeAdmission carries the bridge a resume may use and the route |
| 112 | // it restores on failure. admitted=false means the locked pre-check already |
| 113 | // answered the request and the caller returns answer unchanged. |
| 114 | type remoteTabResumeAdmission struct { |
| 115 | admitted bool |
| 116 | answer bool |
| 117 | client *http.Client |
| 118 | base string |
| 119 | gen uint64 |
| 120 | requestedSessionID string |
| 121 | failureRoute remoteTabProvisionalResume |
| 122 | } |
| 123 | |
| 124 | // admitRemoteTabResume fences a resume against a newer selection and decides |
| 125 | // whether the tab's bridge can carry it now. |
| 126 | func (a *App) admitRemoteTabResume(tabID string, tab *remoteTab, name, sessionPath, sessionTitle string, |
| 127 | selectionRevision uint64, previous *remoteTabOpenSelection) remoteTabResumeAdmission { |
| 128 | a.remoteTabMu.Lock() |
| 129 | defer a.remoteTabMu.Unlock() |
| 130 | if a.remoteTabs[tabID] != tab || (selectionRevision != 0 && tab.selectionRevision != selectionRevision) { |
| 131 | return remoteTabResumeAdmission{answer: true} |
| 132 | } |
| 133 | if tab.client == nil || tab.state != "ready" { |
| 134 | if tab.state != "connecting" && tab.state != "reconnecting" { |
| 135 | return remoteTabResumeAdmission{} |
| 136 | } |
| 137 | // Always defer the selection while connecting: the first click after a |
| 138 | // fresh desktop start has selectionRevision 0, which once fell through |
| 139 | // to a refusal and silently dropped the click while the tunnel came up. |
| 140 | requeueRemoteTabOpenSelectionLocked(tab, &remoteTabPendingOpenSelection{ |
| 141 | name: strings.TrimSpace(name), sessionID: strings.TrimSpace(tab.session.sessionID), path: strings.TrimSpace(sessionPath), title: strings.TrimSpace(sessionTitle), |
| 142 | revision: selectionRevision, deferred: true, identityCommitted: true, previous: previous, |
| 143 | }) |
| 144 | return remoteTabResumeAdmission{answer: true} |
| 145 | } |
| 146 | consumeQueuedRemoteTabOpenSelectionLocked(tab, selectionRevision) |
| 147 | admission := remoteTabResumeAdmission{ |
| 148 | admitted: true, answer: true, |
| 149 | client: tab.client, base: tab.base, gen: tab.gen, |
| 150 | failureRoute: remoteTabProvisionalResume{ |
| 151 | targetPath: tab.routing.currentPath, pathRevision: tab.routing.pathRevision, |
| 152 | selectionRevision: tab.selectionRevision, previousSelection: previous, |
| 153 | }, |
| 154 | } |
| 155 | if strings.TrimSpace(sessionPath) == "" && strings.TrimSpace(tab.session.name) == strings.TrimSpace(name) { |
| 156 | // Canonical rows have no legacy path: carry the committed ID into |
| 157 | // /resume instead of resolving a display token through the listing. |
| 158 | // A synthetic identity row's name is empty; the ID still identifies it. |
| 159 | admission.requestedSessionID = strings.TrimSpace(tab.session.sessionID) |
| 160 | } |
| 161 | return admission |
| 162 | } |
| 163 | |
| 164 | func (a *App) resumeRemoteTabSessionPathForOpenSelection(tabID, name, sessionPath, sessionTitle string, selectionRevision uint64, previous *remoteTabOpenSelection) bool { |
| 165 | a.remoteTabMu.Lock() |
| 166 | tab := a.remoteTabs[tabID] |
| 167 | a.remoteTabMu.Unlock() |
| 168 | if tab == nil { |
| 169 | return true |
| 170 | } |
| 171 | tab.sessionMu.Lock() |
| 172 | defer tab.sessionMu.Unlock() |
| 173 | admission := a.admitRemoteTabResume(tabID, tab, name, sessionPath, sessionTitle, selectionRevision, previous) |
| 174 | if !admission.admitted { |
| 175 | return admission.answer |
| 176 | } |
| 177 | client, base, gen := admission.client, admission.base, admission.gen |
| 178 | requestedSessionID, failureRoute := admission.requestedSessionID, admission.failureRoute |
| 179 | |
| 180 | ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second) |
| 181 | defer cancel() |
| 182 | var target serveSessionEntry |
| 183 | if sessionPath != "" { |
| 184 | target = serveSessionEntry{Name: strings.TrimSpace(name), Path: strings.TrimSpace(sessionPath), Title: strings.TrimSpace(sessionTitle)} |
| 185 | } else if requestedSessionID != "" { |
| 186 | target = serveSessionEntry{Name: strings.TrimSpace(name), SessionID: requestedSessionID, Title: strings.TrimSpace(sessionTitle)} |
| 187 | } else { |
| 188 | entries, err := serveSessions(ctx, client, base) |
| 189 | if err != nil { |
| 190 | return a.completeRemoteTabResumeFailure(tabID, tab, client, gen, failureRoute, fmt.Sprintf("Could not open remote session %q: %v", name, err)) |
| 191 | } |
| 192 | for _, entry := range entries { |
| 193 | if entry.Name == name { |
| 194 | target = entry |
| 195 | break |
| 196 | } |
| 197 | } |
| 198 | } |
| 199 | if targetRoute := remoteSessionRoute(target); targetRoute != "" { |
| 200 | body, err := remoteSessionResumeBody(target) |
| 201 | if err != nil { |
| 202 | return a.completeRemoteTabResumeFailure(tabID, tab, client, gen, failureRoute, err.Error()) |
| 203 | } |
| 204 | // /resume may reattach a controller already producing frames. Route them |
| 205 | // before the request returns so the all-session pump does not discard its |
| 206 | // handoff output or prompt replay as background work. |
| 207 | route := a.beginRemoteTabProvisionalResume(tabID, tab, client, gen, targetRoute) |
| 208 | route.previousSelection = previous |
| 209 | mounted, err := servePostSessionIdentityForSession(ctx, client, serveURL(base, "/resume"), body, "") |
| 210 | if err != nil { |
| 211 | var statusErr *serveHTTPStatusError |
| 212 | if errors.As(err, &statusErr) { |
| 213 | message := err.Error() |
| 214 | if remoteSessionTransitionBusy(err) { |
| 215 | message = "Finish the current turn before switching sessions." |
| 216 | } |
| 217 | return a.completeRemoteTabResumeFailure(tabID, tab, client, gen, route, message) |
| 218 | } |
| 219 | // A transport failure is ambiguous: Serve may have committed the |
| 220 | // resume before the tunnel lost its response. Query its current route |
| 221 | // before deciding whether to commit or restore local state. |
| 222 | reconcileCtx, reconcileCancel := context.WithTimeout(context.Background(), 3*time.Second) |
| 223 | current, reconcileErr := serveCurrentSession(reconcileCtx, client, base) |
| 224 | reconcileCancel() |
| 225 | if reconcileErr != nil || remoteSessionRoute(current) == "" { |
| 226 | // Do not publish either transcript from an unconfirmed generation. |
| 227 | // A fresh attach resolves Serve's current session before ready. |
| 228 | if startRetry := a.reconnectRemoteTabGeneration(tabID, gen); startRetry { |
| 229 | a.goRemoteTabSafe("remoteTabResumeReattach", func() { a.reattachRemoteTab(tabID) }) |
| 230 | } |
| 231 | return true |
| 232 | } |
| 233 | if remoteSessionRoute(current) != targetRoute { |
| 234 | return a.reconcileRemoteTabRejectedResume(tabID, tab, client, gen, route, current, err) |
| 235 | } |
| 236 | if target.Name == "" { |
| 237 | target.Name = current.Name |
| 238 | } |
| 239 | if target.Title == "" { |
| 240 | target.Title = current.Title |
| 241 | } |
| 242 | target.Running = target.Running || current.Running |
| 243 | target.TakenOver = current.TakenOver |
| 244 | } else { |
| 245 | if mounted.SessionID != "" { |
| 246 | target.SessionID = mounted.SessionID |
| 247 | } |
| 248 | target.TakenOver = mounted.TakenOver || strings.TrimSpace(mounted.Path) != "" |
| 249 | } |
| 250 | title := strings.TrimSpace(target.Title) |
| 251 | if title == "" { |
| 252 | // An ID-only target carries no display text; stay labelled until |
| 253 | // the title refresh learns the generated one. |
| 254 | title = cmp.Or(name, remoteWorkspaceName(tab.ref.Workspace)) |
| 255 | } |
| 256 | if !a.commitAndPublishRemoteTabResume(tabID, tab, client, gen, route, target, title) { |
| 257 | // A newer route won the publication fence; never restore the older |
| 258 | // selection over it. The spectator pin was for the losing route — |
| 259 | // drop it so the winning session renders as foreground. |
| 260 | a.clearRemoteTabSpectator(tabID, gen) |
| 261 | return true |
| 262 | } |
| 263 | a.goRemoteTabSafe("remoteTabResumeStatus", func() { _, _ = a.RemoteTabStatus(tabID) }) |
| 264 | return true |
| 265 | } |
| 266 | return a.completeRemoteTabResumeFailure(tabID, tab, client, gen, failureRoute, fmt.Sprintf("remote session %q not found", name)) |
| 267 | } |
| 268 | |
| 269 | func (a *App) SetRemoteSessionPinned(hostID, workspace, name string, pinned bool) error { |
| 270 | return setRemoteSessionPinned(hostID, workspace, name, pinned) |
| 271 | } |
| 272 | |
| 273 | func (a *App) SetRemoteProjectTitle(hostID, workspace, title string) error { |
| 274 | return editUserConfig(func(c *config.Config) error { |
| 275 | entry, ok := c.RemoteProject(hostID, workspace) |
| 276 | if !ok { |
| 277 | return fmt.Errorf("remote project %s:%s is not pinned", hostID, workspace) |
| 278 | } |
| 279 | entry.Title = strings.TrimSpace(title) |
| 280 | return c.UpsertRemoteProject(entry) |
| 281 | }) |
| 282 | } |
| 283 | |
| 284 | func (a *App) DeleteRemoteProjectSession(hostID, workspace, name string) error { |
| 285 | client, base, done, err := a.serveClientForRef(hostID, workspace) |
| 286 | if err != nil { |
| 287 | return err |
| 288 | } |
| 289 | defer done() |
| 290 | ctx, cancel := commandContext(a) |
| 291 | defer cancel() |
| 292 | // Keep the legacy basename for older Serve builds, but also send the |
| 293 | // immutable identity. Canonical sessions live under sessions-v4/<id>/ and |
| 294 | // cannot be removed by the old name.jsonl-only endpoint. |
| 295 | body, _ := json.Marshal(map[string]string{"name": name, "sessionId": strings.TrimSpace(name)}) |
| 296 | return servePost(ctx, client, serveURL(base, "/delete-session"), body) |
| 297 | } |
| 298 | |
| 299 | func (a *App) remoteTabPost(tabID, path string, body map[string]any) error { |
| 300 | if err := a.requireRemoteExecutionProtocol(tabID); err != nil { |
| 301 | return err |
| 302 | } |
| 303 | gated := path == "/goal/resume" || path == "/compact" || path == "/summarize" |
| 304 | for { |
| 305 | revision, admittedGen := "", uint64(0) |
| 306 | if gated { |
| 307 | var err error |
| 308 | revision, admittedGen, err = a.ensureRemoteModelSettings(tabID) |
| 309 | if err != nil { |
| 310 | return err |
| 311 | } |
| 312 | } |
| 313 | client, base, expectedPath, err := a.remoteTabCommandTarget(tabID) |
| 314 | if err != nil { |
| 315 | return err |
| 316 | } |
| 317 | if !a.remoteTabAdmissionCurrent(tabID, admittedGen) { |
| 318 | continue |
| 319 | } |
| 320 | ctx, cancel := commandContext(a) |
| 321 | var payload []byte |
| 322 | if body != nil { |
| 323 | payload, _ = json.Marshal(body) |
| 324 | } |
| 325 | err = servePostForSession(ctx, client, serveURL(base, path), payload, expectedPath, revision) |
| 326 | cancel() |
| 327 | return err |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | // remoteTabPostJSON posts a command through the same capability gate, session |
| 332 | // fence, and admission check as remoteTabPost, and additionally decodes the |
| 333 | // reply. Commands that return a new identity need the body; remoteTabPost |
| 334 | // discards it. |
| 335 | func (a *App) remoteTabPostJSON(tabID, path string, body map[string]any, out any) error { |
| 336 | if err := a.requireRemoteExecutionProtocol(tabID); err != nil { |
| 337 | return err |
| 338 | } |
| 339 | client, base, expectedPath, err := a.remoteTabCommandTarget(tabID) |
| 340 | if err != nil { |
| 341 | return err |
| 342 | } |
| 343 | ctx, cancel := commandContext(a) |
| 344 | defer cancel() |
| 345 | payload, err := json.Marshal(body) |
| 346 | if err != nil { |
| 347 | return err |
| 348 | } |
| 349 | url := serveURL(base, path) |
| 350 | resp, err := serveDoForSession(ctx, client, http.MethodPost, url, payload, expectedPath) |
| 351 | if err != nil { |
| 352 | return err |
| 353 | } |
| 354 | defer resp.Body.Close() |
| 355 | data, _ := io.ReadAll(io.LimitReader(resp.Body, serveSnapshotMaxBytes+1)) |
| 356 | if resp.StatusCode < 200 || resp.StatusCode >= 300 { |
| 357 | return &serveHTTPStatusError{url: url, statusCode: resp.StatusCode, message: strings.TrimSpace(string(data))} |
| 358 | } |
| 359 | if err := json.Unmarshal(data, out); err != nil { |
| 360 | return fmt.Errorf("decode %s: %w", path, err) |
| 361 | } |
| 362 | return nil |
| 363 | } |
| 364 | |
| 365 | func (a *App) remoteTabGet(tabID, path string) (json.RawMessage, error) { |
| 366 | client, base, err := a.remoteTabCommandClient(tabID) |
| 367 | if err != nil { |
| 368 | return nil, err |
| 369 | } |
| 370 | ctx, cancel := commandContext(a) |
| 371 | defer cancel() |
| 372 | return serveGet(ctx, client, serveURL(base, path)) |
| 373 | } |
| 374 | |
| 375 | func (a *App) SetRemoteTabModel(tabID, ref string) error { |
| 376 | ref = strings.TrimSpace(ref) |
| 377 | if ref == "" { |
| 378 | return nil |
| 379 | } |
| 380 | a.remoteTabModelMu.Lock() |
| 381 | defer a.remoteTabModelMu.Unlock() |
| 382 | a.remoteTabMu.Lock() |
| 383 | tab := a.remoteTabs[tabID] |
| 384 | if tab == nil { |
| 385 | a.remoteTabMu.Unlock() |
| 386 | return fmt.Errorf("remote tab %q is not connected", tabID) |
| 387 | } |
| 388 | hostID := tab.ref.HostID |
| 389 | workspace := tab.ref.Workspace |
| 390 | currentModel := tab.model |
| 391 | expectedPath := tab.routing.currentPath |
| 392 | expectedGen := tab.gen |
| 393 | client, base := tab.client, tab.base |
| 394 | usable := client != nil && tab.state == "ready" |
| 395 | a.remoteTabMu.Unlock() |
| 396 | localProxy := a.remoteTabLocalProxy(tabID) |
| 397 | |
| 398 | next := ref |
| 399 | if localProxy { |
| 400 | cfg, err := config.Load() |
| 401 | if err != nil { |
| 402 | return err |
| 403 | } |
| 404 | if strings.TrimSpace(currentModel) == "" { |
| 405 | currentModel = strings.TrimSpace(cfg.DefaultModel) |
| 406 | } |
| 407 | entry, ok := cfg.ResolveModel(ref) |
| 408 | if !ok { |
| 409 | return fmt.Errorf("unknown model %q", ref) |
| 410 | } |
| 411 | if !modelProviderAccessAllowed(cfg.Desktop.ProviderAccess, entry.Name) { |
| 412 | return fmt.Errorf("model %q is not available", ref) |
| 413 | } |
| 414 | canonical := entry.Name + "/" + entry.Model |
| 415 | if _, err := resolveProxyProvider(cfg, canonical); err != nil { |
| 416 | return err |
| 417 | } |
| 418 | if !usable { |
| 419 | return fmt.Errorf("remote tab %q is not connected", tabID) |
| 420 | } |
| 421 | rt, err := a.remoteRT() |
| 422 | if err != nil { |
| 423 | return err |
| 424 | } |
| 425 | ctx, cancel := commandContext(a) |
| 426 | defer cancel() |
| 427 | if err := rt.SwitchCredentialProxyModel(ctx, hostID, workspace, currentModel, canonical, expectedPath); err != nil { |
| 428 | return err |
| 429 | } |
| 430 | next = canonical |
| 431 | } else { |
| 432 | if !usable { |
| 433 | return fmt.Errorf("remote tab %q is not connected", tabID) |
| 434 | } |
| 435 | payload, _ := json.Marshal(map[string]any{"ref": ref}) |
| 436 | ctx, cancel := commandContext(a) |
| 437 | defer cancel() |
| 438 | if err := servePostForSession(ctx, client, serveURL(base, "/model"), payload, expectedPath); err != nil { |
| 439 | return err |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | tab.routeEventMu.Lock() |
| 444 | defer tab.routeEventMu.Unlock() |
| 445 | a.remoteTabMu.Lock() |
| 446 | current := a.remoteTabs[tabID] |
| 447 | if current != tab || current.client != client || current.gen != expectedGen { |
| 448 | a.remoteTabMu.Unlock() |
| 449 | return fmt.Errorf("remote tab %q closed while switching model", tabID) |
| 450 | } |
| 451 | if current.routing.currentPath != expectedPath { |
| 452 | // The fenced request changed the session that was visible when it began, |
| 453 | // but another client has since promoted a newer foreground route. Do not |
| 454 | // label that newer session with the older session's model response. |
| 455 | a.remoteTabMu.Unlock() |
| 456 | return nil |
| 457 | } |
| 458 | current.model = next |
| 459 | current.modelSeq = remoteTabModelSeq.Add(1) |
| 460 | meta := remoteTabMetaLocked(current) |
| 461 | a.remoteTabMu.Unlock() |
| 462 | a.saveTabsFromRemote() |
| 463 | a.emitRemoteEvent("remote-tab:updated", meta) |
| 464 | return nil |
| 465 | } |
| 466 | |
| 467 | func (a *App) remoteTabLocalProxy(tabID string) bool { |
| 468 | hostID, ok := a.remoteTabHostID(tabID) |
| 469 | if !ok { |
| 470 | return false |
| 471 | } |
| 472 | cfg, err := config.Load() |
| 473 | if err != nil { |
| 474 | return false |
| 475 | } |
| 476 | host, ok := cfg.RemoteHost(hostID) |
| 477 | return ok && host.CredentialProxyEnabled() |
| 478 | } |
| 479 | |
| 480 | func (a *App) remoteTabHostID(tabID string) (string, bool) { |
| 481 | a.remoteTabMu.Lock() |
| 482 | defer a.remoteTabMu.Unlock() |
| 483 | if tab := a.remoteTabs[tabID]; tab != nil { |
| 484 | return tab.ref.HostID, true |
| 485 | } |
| 486 | return "", false |
| 487 | } |
| 488 | |
| 489 | func (a *App) remoteServeModelsForTab(tabID, current string) ([]ModelInfo, error) { |
| 490 | raw, err := a.remoteTabGet(tabID, "/models") |
| 491 | if err != nil { |
| 492 | return nil, err |
| 493 | } |
| 494 | var payload struct { |
| 495 | Models []struct { |
| 496 | Ref string `json:"ref"` |
| 497 | Provider string `json:"provider"` |
| 498 | Model string `json:"model"` |
| 499 | Active bool `json:"active"` |
| 500 | } `json:"models"` |
| 501 | } |
| 502 | if err := json.Unmarshal(raw, &payload); err != nil { |
| 503 | return nil, err |
| 504 | } |
| 505 | cur := strings.TrimSpace(current) |
| 506 | out := make([]ModelInfo, 0, len(payload.Models)) |
| 507 | for _, entry := range payload.Models { |
| 508 | ref := strings.TrimSpace(entry.Ref) |
| 509 | if ref == "" { |
| 510 | continue |
| 511 | } |
| 512 | out = append(out, ModelInfo{Ref: ref, Provider: entry.Provider, Model: entry.Model, Current: ref == cur || entry.Active}) |
| 513 | } |
| 514 | return out, nil |
| 515 | } |
| 516 | |
| 517 | func (a *App) SetRemoteTabEffort(tabID, level string) error { |
| 518 | return a.remoteTabPost(tabID, "/effort", map[string]any{"level": level}) |
| 519 | } |
| 520 | |
| 521 | func (a *App) PauseRemoteTabGoal(tabID string) error { |
| 522 | if err := a.requireRemoteGoalLifecycle(tabID); err != nil { |
| 523 | return err |
| 524 | } |
| 525 | return a.remoteTabPost(tabID, "/goal/pause", nil) |
| 526 | } |
| 527 | |
| 528 | func (a *App) ResumeRemoteTabGoal(tabID string) error { |
| 529 | if err := a.requireRemoteGoalLifecycle(tabID); err != nil { |
| 530 | return err |
| 531 | } |
| 532 | return a.remoteTabPost(tabID, "/goal/resume", nil) |
| 533 | } |
| 534 | |
| 535 | func (a *App) CancelRemoteTabJobs(tabID string, jobIDs []string) error { |
| 536 | return a.remoteTabPost(tabID, "/jobs/cancel", map[string]any{"ids": jobIDs}) |
| 537 | } |
| 538 | |
| 539 | func (a *App) SteerRemoteTab(tabID, input string) error { |
| 540 | input = strings.TrimSpace(input) |
| 541 | if input == "" { |
| 542 | return fmt.Errorf("guidance is required") |
| 543 | } |
| 544 | return a.remoteTabPost(tabID, "/inbox/items", map[string]any{"input": input, "intent": "steer"}) |
| 545 | } |
| 546 | |
| 547 | func (a *App) SetRemoteTabPlanMode(tabID string, on bool) error { |
| 548 | return a.remoteTabPost(tabID, "/plan", map[string]any{"on": on}) |
| 549 | } |
| 550 | |
| 551 | func (a *App) CompactRemoteTab(tabID, instructions string) error { |
| 552 | return a.remoteTabPost(tabID, "/compact", map[string]any{"instructions": strings.TrimSpace(instructions)}) |
| 553 | } |
| 554 | |
| 555 | func (a *App) ReplayRemoteTabPrompts(tabID string) (json.RawMessage, error) { |
| 556 | return a.remoteTabGet(tabID, "/pending-prompts") |
| 557 | } |
| 558 | |
| 559 | func (a *App) ForkRemoteTab(tabID string, turn int, name string) error { |
| 560 | return a.remoteTabPost(tabID, "/fork", map[string]any{"turn": turn, "name": name}) |
| 561 | } |
| 562 | |
| 563 | func (a *App) SummarizeRemoteTab(tabID string, turn int, mode string) error { |
| 564 | return a.remoteTabPost(tabID, "/summarize", map[string]any{"turn": turn, "mode": mode}) |
| 565 | } |
| 566 | |
| 567 | func (a *App) ForgetRemoteTab(tabID, name string) error { |
| 568 | return a.remoteTabPost(tabID, "/forget", map[string]any{"name": name}) |
| 569 | } |
| 570 | |
| 571 | func (a *App) RemoteTabBranches(tabID string) (json.RawMessage, error) { |
| 572 | return a.remoteTabGet(tabID, "/branches") |
| 573 | } |
| 574 | |
| 575 | func (a *App) RemoteTabSkills(tabID string) (json.RawMessage, error) { |
| 576 | return a.remoteTabGet(tabID, "/skills") |
| 577 | } |
| 578 | |
| 579 | func (a *App) refreshRemoteTabTitle(tabID string) { |
| 580 | a.remoteTabMu.Lock() |
| 581 | tab := a.remoteTabs[tabID] |
| 582 | if tab == nil || tab.client == nil { |
| 583 | a.remoteTabMu.Unlock() |
| 584 | return |
| 585 | } |
| 586 | client, base, gen, expectedPath := tab.client, tab.base, tab.gen, tab.routing.currentPath |
| 587 | refreshPath := expectedPath |
| 588 | if refreshPath == "" { |
| 589 | // An unsaved blank session has no path until its first turn materializes. |
| 590 | // NUL cannot occur in a real path, so it safely keys that in-flight lookup. |
| 591 | refreshPath = "\x00" |
| 592 | } |
| 593 | if tab.titleRefresh.path == refreshPath { |
| 594 | a.remoteTabMu.Unlock() |
| 595 | return |
| 596 | } |
| 597 | tab.titleRefresh.seq++ |
| 598 | refreshSeq := tab.titleRefresh.seq |
| 599 | tab.titleRefresh.path = refreshPath |
| 600 | a.remoteTabMu.Unlock() |
| 601 | defer func() { |
| 602 | a.remoteTabMu.Lock() |
| 603 | if current := a.remoteTabs[tabID]; current == tab && current.titleRefresh.seq == refreshSeq { |
| 604 | current.titleRefresh.path = "" |
| 605 | } |
| 606 | a.remoteTabMu.Unlock() |
| 607 | }() |
| 608 | |
| 609 | ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second) |
| 610 | defer cancel() |
| 611 | entries, err := serveSessions(ctx, client, base) |
| 612 | if err != nil { |
| 613 | return |
| 614 | } |
| 615 | for _, entry := range entries { |
| 616 | entryRoute := remoteSessionIdentityRoute(strings.TrimSpace(entry.Path), strings.TrimSpace(entry.SessionID)) |
| 617 | if !entry.Current || expectedPath != "" && entryRoute != strings.TrimSpace(expectedPath) { |
| 618 | continue |
| 619 | } |
| 620 | entry.Name = strings.TrimSpace(entry.Name) |
| 621 | entry.Path = strings.TrimSpace(entry.Path) |
| 622 | if !a.adoptRemoteTabTitleListing(tabID, tab, client, gen, expectedPath, entry) { |
| 623 | return |
| 624 | } |
| 625 | |
| 626 | override, migrateErr := migrateRemoteSessionTitleOverride(tab.ref.HostID, tab.ref.Workspace, entry.Name) |
| 627 | if migrateErr != nil || override == "" { |
| 628 | override = remoteSessionTitleOverride(tab.ref.HostID, tab.ref.Workspace, entry.Name) |
| 629 | } |
| 630 | if override != "" { |
| 631 | a.applyRemoteTabTitleOverride(tabID, tab, client, gen, entry, override) |
| 632 | } |
| 633 | return |
| 634 | } |
| 635 | } |
| 636 | |
| 637 | func (a *App) adoptRemoteTabTitleListing(tabID string, tab *remoteTab, client *http.Client, gen uint64, expectedPath string, entry serveSessionEntry) bool { |
| 638 | tab.routeEventMu.Lock() |
| 639 | defer tab.routeEventMu.Unlock() |
| 640 | a.remoteTabMu.Lock() |
| 641 | current := a.remoteTabs[tabID] |
| 642 | if current != tab || current.client != client || current.gen != gen || current.routing.currentPath != expectedPath { |
| 643 | a.remoteTabMu.Unlock() |
| 644 | return false |
| 645 | } |
| 646 | // Linearize the durable identity before migrating the synthetic blank's |
| 647 | // preferences. Preference I/O runs later without either application lock. |
| 648 | title := strings.TrimSpace(entry.Title) |
| 649 | changed := title != "" && current.topicTitle != title |
| 650 | identityChanged := current.session.name != entry.Name || current.session.path != entry.Path || current.session.sessionID != entry.SessionID || current.session.reset || current.session.newSession |
| 651 | if changed { |
| 652 | current.topicTitle = title |
| 653 | } |
| 654 | current.session.reset = false |
| 655 | current.session.newSession = false |
| 656 | current.session.name = entry.Name |
| 657 | current.session.path = entry.Path |
| 658 | current.session.sessionID = entry.SessionID |
| 659 | route := remoteSessionRoute(entry) |
| 660 | if current.routing.currentPath != route { |
| 661 | current.routing.currentPath = route |
| 662 | current.routing.pathRevision++ |
| 663 | current.routing.revision++ |
| 664 | } |
| 665 | meta := remoteTabMetaLocked(current) |
| 666 | a.remoteTabMu.Unlock() |
| 667 | if changed || identityChanged { |
| 668 | a.emitRemoteEvent("remote-tab:updated", meta) |
| 669 | a.saveTabsFromRemote() |
| 670 | } |
| 671 | return true |
| 672 | } |
| 673 | |
| 674 | func (a *App) applyRemoteTabTitleOverride(tabID string, tab *remoteTab, client *http.Client, gen uint64, entry serveSessionEntry, override string) { |
| 675 | tab.routeEventMu.Lock() |
| 676 | defer tab.routeEventMu.Unlock() |
| 677 | a.remoteTabMu.Lock() |
| 678 | current := a.remoteTabs[tabID] |
| 679 | if current != tab || current.client != client || current.gen != gen || |
| 680 | current.session.name != entry.Name || current.session.path != entry.Path || current.session.sessionID != entry.SessionID || |
| 681 | current.routing.currentPath != remoteSessionRoute(entry) { |
| 682 | a.remoteTabMu.Unlock() |
| 683 | return |
| 684 | } |
| 685 | changed := current.topicTitle != override |
| 686 | if changed { |
| 687 | current.topicTitle = override |
| 688 | } |
| 689 | meta := remoteTabMetaLocked(current) |
| 690 | a.remoteTabMu.Unlock() |
| 691 | if changed { |
| 692 | a.emitRemoteEvent("remote-tab:updated", meta) |
| 693 | a.saveTabsFromRemote() |
| 694 | } |
| 695 | } |
| 696 | |
| 697 | func (a *App) resetRemoteTabSession(tabID string) error { |
| 698 | return a.rotateRemoteTabSession(tabID, "/new") |
| 699 | } |
| 700 | |
| 701 | // ClearRemoteTabSession clears the active remote transcript through Serve's |
| 702 | // dedicated session-rotation endpoint. It intentionally bypasses /submit so |
| 703 | // the frontend does not create an optimistic conversational turn for /clear. |
| 704 | func (a *App) ClearRemoteTabSession(tabID string) error { |
| 705 | return a.rotateRemoteTabSession(tabID, "/clear") |
| 706 | } |
| 707 | |
| 708 | func (a *App) rotateRemoteTabSession(tabID, path string) error { |
| 709 | a.remoteTabMu.Lock() |
| 710 | tab := a.remoteTabs[tabID] |
| 711 | if tab == nil { |
| 712 | a.remoteTabMu.Unlock() |
| 713 | return fmt.Errorf("remote tab %q is not connected", tabID) |
| 714 | } |
| 715 | a.remoteTabMu.Unlock() |
| 716 | tab.sessionMu.Lock() |
| 717 | defer tab.sessionMu.Unlock() |
| 718 | a.remoteTabMu.Lock() |
| 719 | if a.remoteTabs[tabID] != tab { |
| 720 | a.remoteTabMu.Unlock() |
| 721 | return fmt.Errorf("remote tab %q closed while starting a new session", tabID) |
| 722 | } |
| 723 | if tab.client == nil { |
| 724 | if path != "/new" { |
| 725 | a.remoteTabMu.Unlock() |
| 726 | return fmt.Errorf("remote tab %q is not connected", tabID) |
| 727 | } |
| 728 | tab.session.newSession = true |
| 729 | tab.session.name = "" |
| 730 | tab.session.path = "" |
| 731 | if tab.routing.currentPath != "" { |
| 732 | tab.routing.currentPath = "" |
| 733 | tab.routing.pathRevision++ |
| 734 | } |
| 735 | tab.routing.revision++ |
| 736 | a.remoteTabMu.Unlock() |
| 737 | return nil |
| 738 | } |
| 739 | client, base := tab.client, tab.base |
| 740 | requestPath := tab.routing.currentPath |
| 741 | requestPathRevision := tab.routing.pathRevision |
| 742 | a.remoteTabMu.Unlock() |
| 743 | |
| 744 | ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second) |
| 745 | defer cancel() |
| 746 | identity, err := servePostSessionIdentityForSession(ctx, client, serveURL(base, path), nil, requestPath) |
| 747 | if err != nil { |
| 748 | // Session rotation can be rejected while the current remote turn is active. |
| 749 | // That does not invalidate the attached session or its event pump, so |
| 750 | // return an action error while leaving the tab ready and observable. |
| 751 | return err |
| 752 | } |
| 753 | target := serveSessionEntry{Path: identity.Path, SessionID: identity.SessionID, Current: true} |
| 754 | targetRoute := remoteSessionRoute(target) |
| 755 | title := a.localizedDefaultTopicTitle() |
| 756 | tab.routeEventMu.Lock() |
| 757 | defer tab.routeEventMu.Unlock() |
| 758 | a.remoteTabMu.Lock() |
| 759 | if a.remoteTabs[tabID] != tab || tab.client != client { |
| 760 | a.remoteTabMu.Unlock() |
| 761 | return fmt.Errorf("remote tab %q changed while starting a new session", tabID) |
| 762 | } |
| 763 | if tab.routing.pathRevision != requestPathRevision || tab.routing.currentPath != requestPath { |
| 764 | alreadyAdopted := tab.routing.currentPath == targetRoute |
| 765 | a.remoteTabMu.Unlock() |
| 766 | if alreadyAdopted { |
| 767 | a.saveTabsFromRemote() |
| 768 | } |
| 769 | // A session_changed frame won the race. Its foreground identity is newer |
| 770 | // than this HTTP response, even when a second rotation already moved on. |
| 771 | return nil |
| 772 | } |
| 773 | tab.topicTitle = title |
| 774 | tab.session.reset = true |
| 775 | tab.session.newSession = true |
| 776 | tab.session.name = target.Name |
| 777 | tab.session.path = target.Path |
| 778 | tab.session.sessionID = target.SessionID |
| 779 | tab.routing.currentPath = targetRoute |
| 780 | tab.routing.pathRevision++ |
| 781 | tab.routing.revision++ |
| 782 | tab.pendingEvents = nil |
| 783 | tab.runtime.revision++ |
| 784 | tab.runtime.running = false |
| 785 | tab.runtime.turnStartedAt = 0 |
| 786 | tab.runtime.pendingPrompt = false |
| 787 | tab.runtime.backgroundJobs = 0 |
| 788 | tab.runtime.cancelRequested = false |
| 789 | tab.runtime.cancellable = false |
| 790 | meta := remoteTabMetaLocked(tab) |
| 791 | a.remoteTabMu.Unlock() |
| 792 | a.emitRemoteEvent("remote-tab:updated", meta) |
| 793 | a.saveTabsFromRemote() |
| 794 | a.emitRemoteTabStateLocked(tab, "ready", "") |
| 795 | return nil |
| 796 | } |
| 797 |