Fix rebuild generation reconciliation (Refs #155)

src/routes/api/provisioning/[id]/reconcile-generation/+server.ts

@@ -0,0 +1,26 @@
+import { json } from '@sveltejs/kit';
+import { reconcileCompletedRebuild } from '$lib/server/provisioning/rebuild-receipt.js';
+import { reconcileNativeProvisioningReceipt } from '$lib/server/provisioning/native.js';
+import { db } from '$lib/server/db/index.js';
+import { recordProgress } from '$lib/server/provisioning/progress.js';
+
+export function POST({ params }: { params: { id: string } }) {
+    try {
+        const instance = db().transaction(() => {
+            const instance = reconcileCompletedRebuild(params.id, true);
+            reconcileNativeProvisioningReceipt(params.id);
+            recordProgress(params.id, {
+                blocker: null,
+                checks: [],
+                event: {
+                    kind: 'generation-recovery',
+                    message: `Replacement generation ${instance.generation} reconciled with fresh host inventory. Resume health verification or request a new lifecycle operation.`
+                }
+            });
+            return instance;
+        })();
+        return json({ ok: true, generation: instance.generation });
+    } catch (error) {
+        return json({ error: (error as Error).message }, { status: 409 });
+    }
+}

src/routes/provisioning/[id]/+page.svelte

@@ -324,6 +324,27 @@
                         )}.
                     </p>
                 </div>{/if}
+            {#if detail.generationRecovery}<div class="warnings">
+                    <h3>Replacement generation recovery</h3>
+                    <p>
+                        Controller generation {detail.generationRecovery.expectedGeneration};
+                        completed rebuild generation {detail.generationRecovery
+                            .replacementGeneration}; host generation {detail.generationRecovery
+                            .observedGeneration ?? 'unknown'}.
+                    </p>
+                    {#if detail.generationRecovery.reason}<p>
+                            {detail.generationRecovery.reason}
+                        </p>{/if}
+                    {#if writable}<Button
+                            disabled={!!view.busy || !detail.generationRecovery.available}
+                            loading={view.busy === 'reconcile-generation'}
+                            onclick={() =>
+                                controller.act(
+                                    'reconcile-generation',
+                                    'Replacement generation reconciled. Fresh health verification is required; cancelled operations remain cancelled.'
+                                )}>Reconcile replacement generation</Button
+                        >{/if}
+                </div>{/if}
             {#if writable && (detail.canResumeVerification || detail.canResumeCleanup || detail.canResumeRebuild || detail.canRetryWithRebuild || detail.canCancel || detail.canCancelCreation || canOverride)}
                 <div class="recovery-actions">
                     {#if canOverride}<div>