feat: execute route and release recovery contracts

src/application/create-application.ts

@@ -5,6 +5,7 @@ import type {
   RenderFailureReport,
 } from "./ports/in/application-api.js";
 import type { ApplicationOutputPorts } from "./ports/out/application-output-ports.js";
+import { decideChunkRecovery } from "./use-cases/decide-chunk-recovery.js";
 
 export type { ApplicationApi, ApplicationOutputPorts };
 
@@ -64,10 +65,54 @@ export function createApplication(
     },
   });
 
+  const recovery = Object.freeze({
+    async recoverChunk(input: {
+      chunkId: string;
+      failureKind: "CHUNK_LOAD_FAILURE" | "DEPLOY_MISMATCH";
+    }) {
+      try {
+        const current = await outputPorts.releaseInfo.getCurrent();
+        const active = await outputPorts.releaseInfo.refresh();
+        if (!active.routeChunks[input.chunkId]) {
+          return {
+            action: "support" as const,
+            reason: "active-chunk-unknown",
+          };
+        }
+        const decision = decideChunkRecovery({
+          failureKind: input.failureKind,
+          manifestLoaded: true,
+          currentBuildId: current.buildId,
+          currentReleaseId: current.releaseId,
+          activeBuildId: active.buildId,
+          activeReleaseId: active.releaseId,
+          storage: outputPorts.preferences,
+        });
+        if (decision.action === "reload-once") {
+          try {
+            outputPorts.navigation.reload();
+          } catch {
+            return {
+              action: "support" as const,
+              reason: "reload-failed",
+            };
+          }
+        }
+        return decision;
+      } catch {
+        return {
+          action: "support" as const,
+          reason: "manifest-unavailable",
+        };
+      }
+    },
+  });
+
   return Object.freeze({
     session,
     preferences,
     diagnostics,
     runtime,
+    recovery,
   });
 }