fix: ensure fallback filler is looped for the duration of the stream block (#1329)

pnpm-lock.yaml

@@ -259,6 +259,9 @@ importers:
         specifier: ^4.0.17
         version: 4.0.17
     devDependencies:
+      '@faker-js/faker':
+        specifier: ^9.9.0
+        version: 9.9.0
       '@rollup/plugin-swc':
         specifier: ^0.4.0
         version: 0.4.0(@swc/core@1.10.9)(rollup@4.20.0)
@@ -355,6 +358,9 @@ importers:
       ts-essentials:
         specifier: ^10.0.0
         version: 10.0.3(typescript@5.7.3)
+      ts-mockito:
+        specifier: ^2.6.1
+        version: 2.6.1
       tsconfig-paths:
         specifier: ^4.2.0
         version: 4.2.0
@@ -1724,6 +1730,10 @@ packages:
     resolution: {integrity: sha512-zSkKow6H5Kdm0ZUQUB2kV5JIXqoG0+uH5YADhaEHswm664N9Db8dXSi0nMJpacpMf+MyyglF1vnZohpEg5yUtg==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
 
+  '@faker-js/faker@9.9.0':
+    resolution: {integrity: sha512-OEl393iCOoo/z8bMezRlJu+GlRGlsKbUAN7jKB6LhnKoqKve5DXRpalbItIIcwnCjs1k/FOPjFzcA6Qn+H+YbA==}
+    engines: {node: '>=18.0.0', npm: '>=9.0.0'}
+
   '@fastify/accept-negotiator@2.0.0':
     resolution: {integrity: sha512-/Sce/kBzuTxIq5tJh85nVNOq9wKD8s+viIgX0fFMDBdw95gnpf53qmF1oBgJym3cPFliWUuSloVg/1w/rH0FcQ==}
 
@@ -4076,7 +4086,7 @@ packages:
       '@types/sql.js': '*'
       '@vercel/postgres': '>=0.8.0'
       '@xata.io/client': '*'
-      better-sqlite3: '>=7'
+      better-sqlite3: 9.4.5
       bun-types: '*'
       expo-sqlite: '>=14.0.0'
       knex: '*'
@@ -7537,6 +7547,9 @@ packages:
   ts-interface-checker@0.1.13:
     resolution: {integrity: sha512-Y/arvbn+rrz3JCKl9C4kVNfTfSm2/mEp5FSz5EsZSANGPSlQrpRI5M4PKF+mJnE52jOO90PnPSc3Ur3bTQw0gA==}
 
+  ts-mockito@2.6.1:
+    resolution: {integrity: sha512-qU9m/oEBQrKq5hwfbJ7MgmVN5Gu6lFnIGWvpxSjrqq6YYEVv+RwVFWySbZMBgazsWqv6ctAyVBpo9TmAxnOEKw==}
+
   ts-node@10.9.2:
     resolution: {integrity: sha512-f0FFpIdcHgn8zcPSbf1dRevwt047YMnaiJM3u2w2RewrB+fob/zePZcrOyQoLMMO7aBIddLcQIEK5dYjkLnGrQ==}
     hasBin: true
@@ -9117,6 +9130,8 @@ snapshots:
     dependencies:
       levn: 0.4.1
 
+  '@faker-js/faker@9.9.0': {}
+
   '@fastify/accept-negotiator@2.0.0': {}
 
   '@fastify/ajv-compiler@4.0.1':
@@ -15523,6 +15538,10 @@ snapshots:
 
   ts-interface-checker@0.1.13: {}
 
+  ts-mockito@2.6.1:
+    dependencies:
+      lodash: 4.17.21
+
   ts-node@10.9.2(@swc/core@1.10.9)(@types/node@22.10.7)(typescript@5.7.3):
     dependencies:
       '@cspotcode/source-map-support': 0.8.1