{"actor":"Yandrik","comment":null,"created_at":"2026-03-03T16:37:50Z","event_type":"created","id":1,"issue_id":"abawo_bt_app-20q","new_value":"","old_value":""}
{"actor":"Yandrik","comment":null,"created_at":"2026-03-03T16:38:33Z","event_type":"created","id":2,"issue_id":"abawo_bt_app-20q.1","new_value":"","old_value":""}
{"actor":"Yandrik","comment":null,"created_at":"2026-03-03T16:39:10Z","event_type":"created","id":3,"issue_id":"abawo_bt_app-20q.2","new_value":"","old_value":""}
{"actor":"Yandrik","comment":null,"created_at":"2026-03-03T16:39:10Z","event_type":"created","id":5,"issue_id":"abawo_bt_app-20q.3","new_value":"","old_value":""}
{"actor":"Yandrik","comment":null,"created_at":"2026-03-03T16:39:10Z","event_type":"created","id":7,"issue_id":"abawo_bt_app-20q.4","new_value":"","old_value":""}
{"actor":"Yandrik","comment":null,"created_at":"2026-03-03T16:39:10Z","event_type":"created","id":9,"issue_id":"abawo_bt_app-20q.5","new_value":"","old_value":""}
{"actor":"Yandrik","comment":null,"created_at":"2026-03-03T16:39:10Z","event_type":"created","id":10,"issue_id":"abawo_bt_app-20q.6","new_value":"","old_value":""}
{"actor":"Yandrik","comment":null,"created_at":"2026-03-03T16:39:17Z","event_type":"created","id":11,"issue_id":"abawo_bt_app-20q.7","new_value":"","old_value":""}
{"actor":"Yandrik","comment":null,"created_at":"2026-03-03T16:39:23Z","event_type":"created","id":12,"issue_id":"abawo_bt_app-20q.8","new_value":"","old_value":""}
{"actor":"Yandrik","comment":null,"created_at":"2026-03-03T16:39:28Z","event_type":"created","id":13,"issue_id":"abawo_bt_app-20q.9","new_value":"","old_value":""}
{"actor":"Yandrik","comment":null,"created_at":"2026-03-03T16:43:26Z","event_type":"claimed","id":14,"issue_id":"abawo_bt_app-20q.1","new_value":"{\"assignee\":\"Yandrik\",\"status\":\"in_progress\"}","old_value":"{\"id\":\"abawo_bt_app-20q.1\",\"title\":\"Add DFU protocol constants and domain models\",\"description\":\"Add protocol surface in app code for DFU support.\\n\\nWork:\\n- Add UUID constants for dfu_control (...40008), dfu_data (...40009), dfu_ack (...4000a)\\n- Add opcode/frame constants (START=0x01, FINISH=0x02, ABORT=0x03, frame size 64, payload size 63)\\n- Add flags constants and typed update-state/progress models used by service/UI\\n- Remove future magic numbers by centralizing constants\",\"acceptance_criteria\":\"- All protocol constants match spec exactly\\n- No duplicated literal DFU UUID/opcode values across services/UI\\n- Domain models compile and are ready for transfer engine integration\",\"status\":\"open\",\"priority\":1,\"issue_type\":\"task\",\"owner\":\"me@yandrik.dev\",\"created_at\":\"2026-03-03T15:38:34Z\",\"created_by\":\"Yandrik\",\"updated_at\":\"2026-03-03T15:38:34Z\"}"}
{"actor":"Yandrik","comment":null,"created_at":"2026-03-03T16:45:19Z","event_type":"closed","id":15,"issue_id":"abawo_bt_app-20q.1","new_value":"Implemented DFU constants, flags, opcodes, and typed progress models in shifter_types.dart","old_value":""}
{"actor":"Yandrik","comment":null,"created_at":"2026-03-03T16:45:29Z","event_type":"claimed","id":16,"issue_id":"abawo_bt_app-20q.2","new_value":"{\"assignee\":\"Yandrik\",\"status\":\"in_progress\"}","old_value":"{\"id\":\"abawo_bt_app-20q.2\",\"title\":\"Implement DFU packet codec and CRC32 utilities with tests\",\"description\":\"Implement pure protocol helpers.\\n\\nWork:\\n- Build START payload (11 bytes, LE fields)\\n- Build FINISH/ABORT payloads\\n- Build/segment DATA frames (seq + 63-byte payload)\\n- Implement ACK/sequence helpers including wrapping behavior\\n- Implement CRC32 (ISO-HDLC reflected polynomial 0xEDB88320, init/final xor FFFFFFFF)\",\"acceptance_criteria\":\"- CRC test vector passes: \\\"123456789\\\" =\\u003e 0xCBF43926\\n- START/FINISH/ABORT encoders produce exact lengths/byte layout\\n- Frame segmentation handles final partial payload correctly\\n- Seq wrap and ack+1 rewind helpers covered by tests\",\"status\":\"open\",\"priority\":1,\"issue_type\":\"task\",\"owner\":\"me@yandrik.dev\",\"created_at\":\"2026-03-03T15:39:10Z\",\"created_by\":\"Yandrik\",\"updated_at\":\"2026-03-03T15:39:10Z\"}"}
{"actor":"Yandrik","comment":null,"created_at":"2026-03-03T16:48:57Z","event_type":"closed","id":17,"issue_id":"abawo_bt_app-20q.2","new_value":"Added DFU protocol codec/CRC utilities with unit tests for payloads, frames, and sequence helpers","old_value":""}
{"actor":"Yandrik","comment":null,"created_at":"2026-03-03T16:49:06Z","event_type":"claimed","id":18,"issue_id":"abawo_bt_app-20q.8","new_value":"{\"assignee\":\"Yandrik\",\"status\":\"in_progress\"}","old_value":"{\"id\":\"abawo_bt_app-20q.8\",\"title\":\"Add BLE DFU preflight checks (MTU and connection readiness)\",\"description\":\"Add runtime guards required for protocol correctness.\\n\\nWork:\\n- Ensure active connection to target button before DFU start\\n- Request elevated MTU (e.g. 128/247) before upload\\n- Validate negotiated MTU supports 64-byte data writes (ATT payload requirement)\\n- Fail early with actionable message when transport preconditions are not met\",\"acceptance_criteria\":\"- Upload start is blocked when MTU/connection preconditions fail\\n- Error messages explain what failed and next step\\n- Preflight result is exposed for transfer start path\",\"status\":\"open\",\"priority\":1,\"issue_type\":\"task\",\"owner\":\"me@yandrik.dev\",\"created_at\":\"2026-03-03T15:39:24Z\",\"created_by\":\"Yandrik\",\"updated_at\":\"2026-03-03T15:39:24Z\"}"}
{"actor":"Yandrik","comment":null,"created_at":"2026-03-03T16:55:10Z","event_type":"closed","id":19,"issue_id":"abawo_bt_app-20q.8","new_value":"Implemented DFU preflight checks for connection state and negotiated MTU with typed results and tests","old_value":""}