feat(core,server): log feed, titles on changes, work titles on copies

GET log (engagements and listens, keyset over at/kind/id), listChanges
title and intoTitle, listCopies workTitle, all via batched lookups.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

apps/server/src/app.ts

@@ -8,6 +8,7 @@ import { engagementRoutes } from "./routes/engagements.ts";
 import { entryRoutes } from "./routes/entries.ts";
 import { exportRoutes } from "./routes/export.ts";
 import { listRoutes } from "./routes/lists.ts";
+import { logRoutes } from "./routes/log.ts";
 import { metaRoutes } from "./routes/meta.ts";
 import { sourceRoutes } from "./routes/sources.ts";
 import { workRoutes } from "./routes/works.ts";
@@ -26,6 +27,7 @@ export function createApp(deps: AppDeps): App {
     ...engagementRoutes,
     ...workRoutes,
     ...listRoutes,
+    ...logRoutes,
     ...copyRoutes,
     ...customFieldRoutes,
     ...attachmentRoutes,