diff --git a/paperforge/memory/builder.py b/paperforge/memory/builder.py
index 1c79596d..2ac90a83 100644
--- a/paperforge/memory/builder.py
+++ b/paperforge/memory/builder.py
@@ -148,7 +148,7 @@ def build_from_index(vault: Path) -> dict:
 
             try:
                 conn.execute(
-                    """INSERT INTO paper_fts(rowid, zotero_key, citation_key, title, first_author, authors, abstract, journal, domain, collection_path, collection_tags)
+                    """INSERT INTO paper_fts(rowid, zotero_key, citation_key, title, first_author, authors_json, abstract, journal, domain, collection_path, collections_json)
                        VALUES ((SELECT rowid FROM papers WHERE zotero_key = ?), ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)""",
                     (zotero_key, zotero_key, entry.get("citation_key", ""), entry.get("title", ""),
                      entry.get("first_author", ""), paper_values.get("authors_json", ""),
diff --git a/paperforge/memory/fts.py b/paperforge/memory/fts.py
index 11d2c6d3..7fa322e7 100644
--- a/paperforge/memory/fts.py
+++ b/paperforge/memory/fts.py
@@ -37,14 +37,15 @@ def search_papers(conn: sqlite3.Connection, query: str, limit: int = 20,
         params.append(next_step)
 
     where = " AND ".join(conditions)
+    # Content-sync FTS: query the FTS table directly, columns come from papers
     sql = f"""
         SELECT p.zotero_key, p.citation_key, p.title, p.year, p.doi,
                p.first_author, p.journal, p.domain, p.lifecycle,
                p.ocr_status, p.deep_reading_status, p.next_step,
-               p.abstract,
+               substr(p.abstract, 1, 300) as abstract,
                rank
         FROM paper_fts f
-        JOIN papers p ON p.zotero_key = f.zotero_key
+        JOIN papers p ON p.rowid = f.rowid
         WHERE {where}
         ORDER BY rank
         LIMIT ?
diff --git a/paperforge/memory/schema.py b/paperforge/memory/schema.py
index 07f657b4..80945497 100644
--- a/paperforge/memory/schema.py
+++ b/paperforge/memory/schema.py
@@ -89,12 +89,12 @@ CREATE VIRTUAL TABLE IF NOT EXISTS paper_fts USING fts5(
     citation_key,
     title,
     first_author,
-    authors,
+    authors_json,
     abstract,
     journal,
     domain,
     collection_path,
-    collection_tags,
+    collections_json,
     content='papers',
     content_rowid='rowid'
 );
@@ -102,17 +102,17 @@ CREATE VIRTUAL TABLE IF NOT EXISTS paper_fts USING fts5(
 
 FTS_TRIGGERS = [
     """CREATE TRIGGER IF NOT EXISTS papers_ai AFTER INSERT ON papers BEGIN
-        INSERT INTO paper_fts(rowid, zotero_key, citation_key, title, first_author, authors, abstract, journal, domain, collection_path, collection_tags)
+        INSERT INTO paper_fts(rowid, zotero_key, citation_key, title, first_author, authors_json, abstract, journal, domain, collection_path, collections_json)
         VALUES (new.rowid, new.zotero_key, new.citation_key, new.title, new.first_author, new.authors_json, new.abstract, new.journal, new.domain, new.collection_path, new.collections_json);
     END;""",
     """CREATE TRIGGER IF NOT EXISTS papers_ad AFTER DELETE ON papers BEGIN
-        INSERT INTO paper_fts(paper_fts, rowid, zotero_key, citation_key, title, first_author, authors, abstract, journal, domain, collection_path, collection_tags)
+        INSERT INTO paper_fts(paper_fts, rowid, zotero_key, citation_key, title, first_author, authors_json, abstract, journal, domain, collection_path, collections_json)
         VALUES ('delete', old.rowid, old.zotero_key, old.citation_key, old.title, old.first_author, old.authors_json, old.abstract, old.journal, old.domain, old.collection_path, old.collections_json);
     END;""",
     """CREATE TRIGGER IF NOT EXISTS papers_au AFTER UPDATE ON papers BEGIN
-        INSERT INTO paper_fts(paper_fts, rowid, zotero_key, citation_key, title, first_author, authors, abstract, journal, domain, collection_path, collection_tags)
+        INSERT INTO paper_fts(paper_fts, rowid, zotero_key, citation_key, title, first_author, authors_json, abstract, journal, domain, collection_path, collections_json)
         VALUES ('delete', old.rowid, old.zotero_key, old.citation_key, old.title, old.first_author, old.authors_json, old.abstract, old.journal, old.domain, old.collection_path, old.collections_json);
-        INSERT INTO paper_fts(rowid, zotero_key, citation_key, title, first_author, authors, abstract, journal, domain, collection_path, collection_tags)
+        INSERT INTO paper_fts(rowid, zotero_key, citation_key, title, first_author, authors_json, abstract, journal, domain, collection_path, collections_json)
         VALUES (new.rowid, new.zotero_key, new.citation_key, new.title, new.first_author, new.authors_json, new.abstract, new.journal, new.domain, new.collection_path, new.collections_json);
     END;""",
 ]