Distillation

Date: Sep 15, 2026

• 🟡 (22:55) Investigation attempted to inspect packages/core/src/event/index.ts at commit ab9408c81cc9916177641ae8e9f08624fc27b5b9; Git returned fatal: path 'packages/core/src/event/index.ts' does not exist in 'ab9408c81cc9916177641ae8e9f08624fc27b5b9'.
• 🟡 (22:56) Repository search identified database files: packages/core/src/database/database.ts, packages/core/src/database/migration.gen.ts, packages/core/src/database/migration.ts, packages/core/src/database/path.ts, packages/core/src/database/schema.gen.ts, packages/core/src/database/schema.sql.ts, packages/core/src/database/sqlite.bun.ts, packages/core/src/database/sqlite.node.ts, and packages/core/src/database/sqlite.ts.
• 🟡 (22:56) Repository search identified migrations, in order: packages/core/src/database/migration/20260127222353_familiar_lady_ursula.ts, 20260211171708_add_project_commands.ts, 20260213144116_wakeful_the_professor.ts, 20260225215848_workspace.ts, 20260227213759_add_session_workspace_id.ts, 20260228203230_blue_harpoon.ts, 20260303231226_add_workspace_fields.ts, 20260309230000_move_org_to_state.ts, 20260312043431_session_message_cursor.ts, 20260323234822_events.ts, 20260410174513_workspace-name.ts, 20260413175956_chief_energizer.ts, 20260423070820_add_icon_url_override.ts, 20260427172553_slow_nightmare.ts, 20260428004200_add_session_path.ts, 20260501142318_next_venus.ts, 20260504145000_add_sync_owner.ts, 20260507164347_add_workspace_time.ts, 20260510033149_session_usage.ts, 20260511000411_data_migration_state.ts, 20260511173437_session-metadata.ts, 20260601010001_normalize_storage_paths.ts, 20260601202201_amazing_prowler.ts, 20260602002951_lowly_union_jack.ts, 20260602182828_add_project_directories.ts, 20260603001617_session_message_projection_indexes.ts, 20260603040000_session_message_projection_order.ts, 20260603141458_session_input_inbox.ts, 20260603160727_jittery_ezekiel_stane.ts, 20260604172448_event_sourced_session_input.ts, 20260605003541_add_session_context_snapshot.ts, 20260605042240_add_context_epoch_agent.ts, 20260611035744_credential.ts, 20260611192811_lush_chimera.ts, 20260612174303_project_dir_strategy.ts, 20260622142730_simplify_session_context_epoch.ts, 20260622170816_reset_v2_session_state.ts, and 20260622202450_simplify_session_input.ts.
• 🟡 (22:56) Repository search identified event/session files: packages/core/src/event/sql.ts, packages/core/src/session/compaction.ts, packages/core/src/session/context-epoch.ts, packages/core/src/session/error.ts, packages/core/src/session/event.ts, packages/core/src/session/execution.ts, packages/core/src/session/execution/local.ts, packages/core/src/session/history.ts, packages/core/src/session/info.ts, packages/core/src/session/input.ts, packages/core/src/session/message-updater.ts, packages/core/src/session/message.ts, packages/core/src/session/projector.ts, packages/core/src/session/prompt.ts, packages/core/src/session/revert.ts, packages/core/src/session/run-coordinator.ts, packages/core/src/session/runner/index.ts, packages/core/src/session/runner/llm.ts, packages/core/src/session/runner/max-steps.ts, packages/core/src/session/runner/model.ts, packages/core/src/session/runner/publish-llm-event.ts, packages/core/src/session/runner/to-llm-message.ts, packages/core/src/session/schema.ts, packages/core/src/session/sql.ts, packages/core/src/session/store.ts, and packages/core/src/session/todo.ts.
• 🟡 (22:57) Event implementation inspection found latestSequence(db, aggregateID) reads EventSequenceTable.seq by aggregate_id and returns row?.seq ?? -1; SerializedEvent contains id, type, seq, aggregateID, and data.
• 🟡 (22:57) Durable event decoding uses Durable.get(event.type) and Schema.decodeUnknownSync(definition.data)(event.data). Unknown or non-durable event types throw InvalidDurableEventError with message Unknown durable event type ${event.type}; decoded durable metadata includes aggregateID, seq, and definition.durable.version.
• 🟡 (22:57) PublishOptions supports optional id, metadata, location, and commit; commit is documented as a local operational projection committed atomically with a new durable event and is not replayed or serialized.
• 🟡 (22:57) Event delivery maintains pubsub.all, per-aggregate durable wake subscriptions in pubsub.durable, typed subscriptions in pubsub.typed, durable projectors, and general listeners. notify(event, isolateListeners) invokes listeners, then publishes to the typed pubsub and finally pubsub.all.
• 🟡 (22:57) Ownership claiming is implemented by claim(aggregateID, ownerID), which updates EventSequenceTable.owner_id where aggregate_id equals aggregateID.
• 🟡 (22:57) Durable streaming accepts { aggregateID, after? }, initializes its cursor to after ?? -1, reads historical events through readAfter, advances the cursor from the last event’s durable.seq, then concatenates historical events with live reads triggered by subscribeDurable(aggregateID).
• 🟡 (22:57) SQLite initialization configures PRAGMA journal_mode = WAL, PRAGMA synchronous = NORMAL, PRAGMA busy_timeout = 5000, PRAGMA cache_size = -64000, PRAGMA foreign_keys = ON, and PRAGMA wal_checkpoint(PASSIVE) before calling DatabaseMigration.apply(db).