| 1 | import { app, onSessionActiveVersionChanged, onSessionRecovered } from "./bridge"; |
| 2 | import { recordFrontendDiagnostic } from "./frontendDiagnosticBridge"; |
| 3 | import { onProjectTreeChangedV2 } from "./sessionCatalogBridge"; |
| 4 | import type { ProjectTopicKey } from "./sessionCatalogTypes"; |
| 5 | import type { RecoveryLineageView } from "./types"; |
| 6 | import { |
| 7 | normalizeRecoveryLineageView, |
| 8 | pendingRecoveryMatchesRoots, |
| 9 | sanitizedRecoveryReason, |
| 10 | SessionRecoveryDivergenceTracker, |
| 11 | type PendingSessionRecovery, |
| 12 | } from "./sessionRecoveryVersions"; |
| 13 | |
| 14 | type SessionRecoveryRuntimeOptions = { |
| 15 | onRecovered: () => void; |
| 16 | onDiverged: (topic: ProjectTopicKey, view: RecoveryLineageView) => void; |
| 17 | }; |
| 18 | |
| 19 | // Recovery is an exceptional path, so App loads this coordinator lazily. Its |
| 20 | // classification is revision-driven; it never sleeps or polls. |
| 21 | export function startSessionRecoveryRuntime(options: SessionRecoveryRuntimeOptions): () => void { |
| 22 | const tracker = new SessionRecoveryDivergenceTracker(); |
| 23 | const inFlight = new Set<string>(); |
| 24 | const reconciling = new Set<string>(); |
| 25 | let stopped = false; |
| 26 | |
| 27 | const settle = async (pending: PendingSessionRecovery) => { |
| 28 | if (stopped || inFlight.has(pending.eventKey)) return; |
| 29 | inFlight.add(pending.eventKey); |
| 30 | try { |
| 31 | const view = normalizeRecoveryLineageView(await app.GetRecoveryLineage({ |
| 32 | ...pending.topic, |
| 33 | recordClassification: true, |
| 34 | })); |
| 35 | if (stopped) return; |
| 36 | const resolution = tracker.resolve(pending.eventKey, view); |
| 37 | if (resolution === "wait") return; |
| 38 | recordFrontendDiagnostic("runtime", "session.recovery-classified", { |
| 39 | status: "ok", |
| 40 | state: view.state || "covered", |
| 41 | outcome: resolution, |
| 42 | total: view.branchCount, |
| 43 | }); |
| 44 | if (resolution === "notify") options.onDiverged(pending.topic, view); |
| 45 | } catch { |
| 46 | // Catalog rebuilds are transient. Retry only on a later matching |
| 47 | // project-tree revision. |
| 48 | } finally { |
| 49 | inFlight.delete(pending.eventKey); |
| 50 | } |
| 51 | }; |
| 52 | |
| 53 | const unsubscribeRecovery = onSessionRecovered((event) => { |
| 54 | const registration = tracker.register(event); |
| 55 | if (!registration.isNew) return; |
| 56 | recordFrontendDiagnostic("runtime", "session.recovered", { |
| 57 | status: "ok", |
| 58 | reason: sanitizedRecoveryReason(event.recoveryReason), |
| 59 | outcome: event.existing ? "existing" : "created", |
| 60 | total: registration.occurrence, |
| 61 | }); |
| 62 | options.onRecovered(); |
| 63 | const topicId = event.topicId; |
| 64 | const reconcileKey = topicId ? [event.scope, event.workspaceRoot, topicId].join("\u0000") : ""; |
| 65 | if (topicId && !reconciling.has(reconcileKey) && typeof app.ReconcileRecoveryVersions === "function") { |
| 66 | reconciling.add(reconcileKey); |
| 67 | void app.ReconcileRecoveryVersions({ |
| 68 | scope: event.scope || (event.workspaceRoot ? "project" : "global"), |
| 69 | workspaceRoot: event.workspaceRoot, |
| 70 | topicId, |
| 71 | path: event.recoveryPath, |
| 72 | }).catch(() => { |
| 73 | // Background reconciliation can race catalog rebuilds. Keep the |
| 74 | // recovery pending for classification on a later catalog revision; |
| 75 | // raw backend errors can contain private session paths. |
| 76 | if (!stopped) recordFrontendDiagnostic("runtime", "session.recovery-reconcile", { |
| 77 | status: "error", reason: "reconcile_failed", |
| 78 | }); |
| 79 | }).finally(() => reconciling.delete(reconcileKey)); |
| 80 | } |
| 81 | }); |
| 82 | const unsubscribeActiveVersion = onSessionActiveVersionChanged(() => { |
| 83 | if (!stopped) options.onRecovered(); |
| 84 | }); |
| 85 | const unsubscribeCatalog = onProjectTreeChangedV2((event) => { |
| 86 | for (const pending of tracker.entries()) { |
| 87 | if (pendingRecoveryMatchesRoots(pending, event.roots)) void settle(pending); |
| 88 | } |
| 89 | }); |
| 90 | |
| 91 | return () => { |
| 92 | stopped = true; |
| 93 | unsubscribeRecovery(); |
| 94 | unsubscribeActiveVersion(); |
| 95 | unsubscribeCatalog(); |
| 96 | }; |
| 97 | } |
| 98 |