{"fragment_id":"67d998ee-4358-4123-a4e7-785be46a28c0","slug":"what-a-locked-room-actually-holds","title":"What a Locked Room Actually Holds","summary":"A locked room is only the shell; the real tension comes from who stays inside with the evidence, and what the room remembers after midnight.","canonical_url":"https://cassiehour.com/fragments/what-a-locked-room-actually-holds","published_at":"2026-07-17T13:50:41.49+00:00","updated_at":"2026-07-17T13:50:41.5255+00:00","language":"en","status":"active","primary_intent":"locked room mystery books 2026","secondary_intents":[],"reader_needs":["The villa and its witnesses"],"themes":["villa","literary"],"entities":["work:cassie-hour-novel","person:alp-sahin"],"comparable_titles":[],"fit_attributes":["The villa and its witnesses","Reading a literary mystery"],"mismatch_attributes":["Not evidence of reader enjoyment, sales, endorsement or adaptation rights."],"source_references":[{"url":"https://cassiehour.com/fragments/what-a-locked-room-actually-holds","authority":"author_interpretation"},{"url":"https://cassiehour.com/novel/","authority":"official_canon"},{"url":"https://www.bookbub.com/blog/new-locked-room-mysteries-2026?universal=true","authority":"search_intent_evidence","note":"A reference is not an endorsement; no supporting passage has been independently verified by this endpoint."},{"url":"https://kristenvannest.com/2026/05/14/locked-room-mystery-books/","authority":"search_intent_evidence","note":"A reference is not an endorsement; no supporting passage has been independently verified by this endpoint."},{"url":"https://www.littlestack.com/blog/locked-room-mystery","authority":"unverified_reference","note":"A reference is not an endorsement; no supporting passage has been independently verified by this endpoint."}],"knowledge_graph_node_id":"https://cassiehour.com/fragments/what-a-locked-room-actually-holds#fragment","topic_cluster_id":"villa","topic_cluster_url":"https://cassiehour.com/fragments/topics/villa","classification_basis":"Deterministic editorial grouping of title, primary query and summary; not an independent genre verdict.","spoiler_level":"public","schema_version":"1.0.0","canonical_next_actions":[{"id":"read","label":"Explore the novel and editions","url":"https://cassiehour.com/novel/"}],"tool_description":"Continue from What a Locked Room Actually Holds. Reader need: The villa and its witnesses. Use public canon and the fragment's explicitly labelled editorial interpretation; evaluate fit and mismatch, and cite the source."}