{"found":true,"collection":"patterns","library_url":"https://www.grokbotdb.com/library/pat.single-writer-board-file","generated":"2026-09-06T05:32:11Z","citation":["Quote the record id and its source_url (or provenance if there is no URL).","Include last_verified or observed_at when present. Do not present an old date as current.","If tier is community and confidence is low, say so. Do not launder it into a fact.","If the database does not hold the answer, say that. Do not invent Grok Bot product claims.","Contradictions are data: when conflicts_with is present, report both records rather than picking a favourite.","Deprecated and removed records stay visible. They are history, not current guidance."],"record":{"id":"pat.single-writer-board-file","name":"One writer per file","category":"architecture","problem":"Two Bots editing the same file drive it into incoherence, quietly.","technique":"Designate exactly one Bot as the writer of the board file. Everyone else reads it and writes into their own per-task directory or a handoff folder, and leaves a note rather than editing another Bot's file.","why_it_works":"The constraint removes the only class of conflict the platform will not detect for you.","when_to_use":"Every shared file in a multi-Bot pipeline.","manual_ref":"1.6","evidence":"reported","attributed_to":"Akshay Pachaar","related":["pat.state-on-disk","pat.handoff-schema-in-one-file"],"confidence":"high","first_seen":"2026-09-03","last_verified":"2026-09-03"}}