fix: add missing getDistinctDirectories to test stubs for type safety

Author: sleipi

tests/unit/dashboard/daily-tokens-service.test.ts

@@ -19,6 +19,7 @@ function makeStubRepos(
     sessions: {
       getRootSessions: () => [],
       getChildSessions: () => [],
+      getDistinctDirectories: () => [],
       upsert: () => {},
       upsertFull: () => {},
       deleteOrphaned: () => 0,

tests/unit/dashboard/maintenance-service.test.ts

@@ -7,6 +7,7 @@ function makeStubRepos(): Repos {
     sessions: {
       getRootSessions: () => [],
       getChildSessions: () => [],
+      getDistinctDirectories: () => [],
       upsert: () => {},
       upsertFull: () => {},
       deleteOrphaned: () => 0,