Rebuild: schema for groups, rule sets, ranges, release catalog, chunk store, fragments, probe queue, rule bookkeeping and nodes

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

start/env.ts

@@ -33,6 +33,8 @@ export default await Env.create(new URL('../', import.meta.url), {
   DB_DATABASE: Env.schema.string(),
   DB_POOL_MAX: Env.schema.number.optional(),
   DB_SEARCH_PATH: Env.schema.string.optional(),
+  // Tablespace for the chunk store (the HDD on homelab).
+  CHUNK_TABLESPACE: Env.schema.string.optional(),
   DB_DEBUG: Env.schema.boolean.optional(),
 
   // NNTP (the coordinator's relay; edge:bench --capture)