| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "fmt" |
| 5 | |
| 6 | "reasonix/internal/config" |
| 7 | "reasonix/internal/control" |
| 8 | ) |
| 9 | |
| 10 | // NewSession snapshots the current conversation and rotates to a fresh one. |
| 11 | func (a *App) NewSession() error { |
| 12 | return a.NewSessionForTab("") |
| 13 | } |
| 14 | |
| 15 | // NewSessionForTab snapshots and rotates the requested tab regardless of which |
| 16 | // tab becomes active while the Wails call is in flight. |
| 17 | func (a *App) NewSessionForTab(tabID string) error { |
| 18 | tab, ctrl := a.tabAndCtrlByID(tabID) |
| 19 | if a.tabIsReadOnly(tab) { |
| 20 | return readOnlyChannelErr() |
| 21 | } |
| 22 | if ctrl == nil { |
| 23 | return a.workspaceNotReadyErr(tab) |
| 24 | } |
| 25 | if err := a.ensureTabControllerWorkspace(tab); err != nil { |
| 26 | return err |
| 27 | } |
| 28 | ctrl = a.controllerForTab(tab) |
| 29 | if ctrl == nil { |
| 30 | return a.workspaceNotReadyErr(tab) |
| 31 | } |
| 32 | // Serialize the session rotation with rebuilds, foreground admission, and |
| 33 | // Pin/Unpin. The default-model rebuild starts only after these locks release. |
| 34 | unlockRuntime := a.lockRuntimeMutation("new session") |
| 35 | tab.turnStartMu.Lock() |
| 36 | released := false |
| 37 | releaseAdmission := func() { |
| 38 | if released { |
| 39 | return |
| 40 | } |
| 41 | released = true |
| 42 | tab.turnStartMu.Unlock() |
| 43 | unlockRuntime() |
| 44 | } |
| 45 | defer releaseAdmission() |
| 46 | ctrl = a.controllerForTab(tab) |
| 47 | if ctrl == nil { |
| 48 | return a.workspaceNotReadyErr(tab) |
| 49 | } |
| 50 | // Tab is already blank — skip rotation, but still apply the configured |
| 51 | // default. A reused empty tab otherwise keeps the previous session's |
| 52 | // provider after a default-model change (#9080). |
| 53 | if !controllerHasActiveRuntimeWork(ctrl) && !messagesHaveConversationContent(ctrl.History()) { |
| 54 | if err := clearBlankSessionPinnedContext(tab, ctrl); err != nil { |
| 55 | return err |
| 56 | } |
| 57 | a.persistTabSessionPath(tab, ctrl.SessionPath()) |
| 58 | a.mu.RLock() |
| 59 | reused := tab.SessionID |
| 60 | a.mu.RUnlock() |
| 61 | if reused != "" { |
| 62 | // The blank session is handed out as new, so it keeps no earlier |
| 63 | // choice and no snapshot read before this point can make one. |
| 64 | a.sessionPresets.forget(reused) |
| 65 | a.adoptSessionPreset(tab, ctrl, reused) |
| 66 | if invalidator, ok := ctrl.(permissionSnapshotInvalidator); ok { |
| 67 | invalidator.InvalidatePermissionSnapshots() |
| 68 | } |
| 69 | } |
| 70 | releaseAdmission() |
| 71 | if err := a.ensureReusableBlankIdentity(tab); err != nil { |
| 72 | return err |
| 73 | } |
| 74 | return a.applyNewSessionDefaultModel(tab) |
| 75 | } |
| 76 | |
| 77 | if err := ctrl.NewSession(); err != nil { |
| 78 | a.syncTabSessionIdentity(tab, ctrl) |
| 79 | return err |
| 80 | } |
| 81 | a.syncTabSessionIdentity(tab, ctrl) |
| 82 | if path := ctrl.SessionPath(); path != "" { |
| 83 | if err := savePinnedContextState(path, []string{}); err != nil { |
| 84 | return fmt.Errorf("initialize empty pinned context for new session: %w", err) |
| 85 | } |
| 86 | } |
| 87 | tab.setPinnedFiles(nil) |
| 88 | // The rotated session starts with zero spend: without this reset the tab |
| 89 | // telemetry keeps the previous session's totals and the status bar 会话费用 |
| 90 | // silently turns into an all-sessions running total (#5850). |
| 91 | tab.resetTelemetry(tab.currentSessionIdentity()) |
| 92 | // Mirror the controller: NewSession cleared the active goal, and the tab's |
| 93 | // persisted copy must follow — otherwise the next rebuild/restart would |
| 94 | // re-seed the old goal into the fresh session via SetGoal(tab.goal). |
| 95 | a.clearTabGoal(tab) |
| 96 | if err := a.assignFreshSessionTopic(tab); err != nil { |
| 97 | return fmt.Errorf("session created; persist topic presentation: %w", err) |
| 98 | } |
| 99 | a.persistTabSessionPath(tab, ctrl.SessionPath()) |
| 100 | a.invalidatePromptHistoryCache() |
| 101 | a.emitProjectTreeChangedForSessionDirs(ctrl.SessionDir()) |
| 102 | releaseAdmission() |
| 103 | return a.applyNewSessionDefaultModel(tab) |
| 104 | } |
| 105 | |
| 106 | func (a *App) syncTabSessionIdentity(tab *WorkspaceTab, ctrl control.SessionAPI) { |
| 107 | if a == nil || tab == nil || ctrl == nil { |
| 108 | return |
| 109 | } |
| 110 | identity, ok := ctrl.(control.IdentityLifecycle) |
| 111 | if !ok || !identity.UsesExclusiveSession() { |
| 112 | return |
| 113 | } |
| 114 | ref, bound := identity.SessionRef() |
| 115 | if !bound { |
| 116 | return |
| 117 | } |
| 118 | rebound := false |
| 119 | a.mu.Lock() |
| 120 | if current := a.tabs[tab.ID]; current == tab { |
| 121 | if tab.SessionID == "" && tab.SessionPath != "" && identity.SessionService() != a.desktopSessionService("") { |
| 122 | // A historical directory has an identity only within its original |
| 123 | // store. Keep the path locator until a new canonical session is bound. |
| 124 | a.mu.Unlock() |
| 125 | return |
| 126 | } |
| 127 | if tab.SessionID != ref.SessionID { |
| 128 | tab.SessionGeneration++ |
| 129 | if tab.sink != nil { |
| 130 | tab.sink.setSessionGeneration(tab.SessionGeneration) |
| 131 | } |
| 132 | rebound = true |
| 133 | } |
| 134 | tab.SessionID = ref.SessionID |
| 135 | tab.SessionHeadID = "" |
| 136 | tab.SessionPath = "" |
| 137 | a.bindSessionRuntimeKeyLocked(tab, tab.currentSessionIdentity()) |
| 138 | } |
| 139 | a.mu.Unlock() |
| 140 | if rebound { |
| 141 | a.adoptSessionPreset(tab, ctrl, ref.SessionID) |
| 142 | } |
| 143 | a.saveTabsFromRemote() |
| 144 | } |
| 145 | |
| 146 | type permissionSnapshotInvalidator interface { |
| 147 | InvalidatePermissionSnapshots() |
| 148 | } |
| 149 | |
| 150 | // adoptSessionPreset gives a tab that now holds sessionID that session's own |
| 151 | // recorded preset, or the new-session default; the preset the surface held for |
| 152 | // its previous session never carries over. |
| 153 | func (a *App) adoptSessionPreset(tab *WorkspaceTab, ctrl control.SessionAPI, sessionID string) { |
| 154 | preset := a.sessionPresets.restore(sessionID, newSessionPreset(config.LoadForEdit(config.UserConfigPath()))) |
| 155 | a.mu.Lock() |
| 156 | if a.tabs[tab.ID] != tab || tab.SessionID != sessionID { |
| 157 | a.mu.Unlock() |
| 158 | return |
| 159 | } |
| 160 | tab.toolApprovalMode = preset |
| 161 | tab.mode = tabModeFromAxes(tabModeHasPlan(tab.mode), preset == control.ToolApprovalDangerFullAccess) |
| 162 | a.mu.Unlock() |
| 163 | applyTabToolApprovalModeToController(ctrl, preset) |
| 164 | } |
| 165 | |
| 166 | func clearBlankSessionPinnedContext(tab *WorkspaceTab, ctrl control.SessionAPI) error { |
| 167 | oldFiles := tab.GetPinnedFiles() |
| 168 | path := ctrl.SessionPath() |
| 169 | if path != "" { |
| 170 | if err := savePinnedContextState(path, []string{}); err != nil { |
| 171 | return err |
| 172 | } |
| 173 | } |
| 174 | if len(oldFiles) > 0 { |
| 175 | tab.setPinnedFiles(nil) |
| 176 | } |
| 177 | return nil |
| 178 | } |
| 179 | |
| 180 | func installClearedTabRuntime(tab *WorkspaceTab, ctrl control.SessionAPI, sink *tabEventSink, path string) { |
| 181 | tab.Ctrl = ctrl |
| 182 | tab.sink = sink |
| 183 | tab.SessionPath = path |
| 184 | tab.Label = ctrl.Label() |
| 185 | tab.Ready = true |
| 186 | tab.setPinnedFiles(nil) |
| 187 | } |
| 188 |