Method migrateLegacyCursorSession

hub/src/sync/syncEngine.ts:535–551

* Migrate a single legacy cursor session to ACP. Hub-side; runs on the * operator's machine (the hub host); see tiann/hapi#824 design. * Returns a structured outcome (ok or refusal); does not throw.

(
        sessionId: string,
        namespace: string,
        request: CursorMigrateToAcpRequest
    )

     * Returns a structured outcome (ok or refusal); does not throw.
     */
    async migrateLegacyCursorSession(
        sessionId: string,
        namespace: string,
        request: CursorMigrateToAcpRequest
    ): Promise<CursorMigrateOutcome> {
        const session = this.sessionCache.getSessionByNamespace(sessionId, namespace)
            ?? this.sessionCache.refreshSession(sessionId)
        if (!session) {
            return { ok: false, sessionId, reason: 'internal_error', message: 'session not found in namespace', durationMs: 0 }
        }
        const migrator = this.buildMigratorForRequest(request)
        return migrator.migrateOne(session, {
            keepSource: request.keepSource,
            forceArchiveRunning: request.forceArchiveRunning,
            skipVerify: request.skipVerify
        })
    }

    private buildMigratorForRequest(_request: CursorMigrateToAcpRequest): CursorLegacyMigrator {
        const migratorOpts: CursorLegacyMigratorOptions = {}