refactor: remove handbook sync state and related functionality

src/lib/db.js

@@ -349,11 +349,10 @@ export async function getRecentLlmCalls(limit = 100) {
  *
  * `team_members`, `settings`, and `llm_calls` are intentionally preserved.
  *
- * @param {{ includeHandbookState?: boolean, includeProgress?: boolean }} [opts]
+ * @param {{ includeProgress?: boolean }} [opts]
  * @returns {Promise<Array<{collection: string, deleted: number, error?: string}>>}
  */
 export async function resetForSmokeTest({
-  includeHandbookState = true,
   includeProgress = false,
 } = {}) {
   const collections = [
@@ -366,7 +365,6 @@ export async function resetForSmokeTest({
     'sources',
     'topics',
   ];
-  if (includeHandbookState) collections.push('handbook_sync_state');
   if (includeProgress) collections.push('learn_progress', 'leaderboard');
 
   const results = [];
@@ -388,20 +386,4 @@ export async function resetForSmokeTest({
   return results;
 }
 
-// ── Handbook Sync State ───────────────────────────────────────────────────────
-
-export async function getHandbookSyncStates() {
-  try {
-    return await pb.collection('handbook_sync_state').getFullList();
-  } catch { return []; }
-}
-
-export async function updateHandbookSyncState(path, sha) {
-  try {
-    const r = await pb.collection('handbook_sync_state').getFirstListItem(`path="${path}"`);
-    return await pb.collection('handbook_sync_state').update(r.id, { sha });
-  } catch {
-    return await pb.collection('handbook_sync_state').create({ path, sha });
-  }
-}