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Michał Pierzchała
8c06965d28
* fix(daemon): cap events.ndjson with cursor-safe rotation Rotate events.ndjson to events.ndjson.1 once it reaches AGENT_DEVICE_EVENT_LOG_MAX_BYTES (default 5 MB), keeping one rotated generation. Cursors stay absolute across rotation through a sidecar window offset, so a persisted nextCursor still names the same event; a cursor older than the retained window fails with COMMAND_FAILED and details.reason EVENT_LOG_CURSOR_EXPIRED instead of returning a wrong page. Closes #1788 * fix(daemon): verify the events.ndjson window against the files on disk Rotation recorded only a dropped-line offset, written after the rename, so a reader landing in that window mapped every absolute cursor a whole generation too far (reproduced: 5 of 58 reads returned event 17 for cursor 9), and a missing rotated file or stale sidecar shifted cursors permanently and silently. The sidecar now records each retained generation's first absolute line index, line count, and first-line digest, and is written before the rename it describes. The reader identifies each file on disk by digest, derives its start from the matching record, and checks the recorded line count and generation contiguity; anything unverifiable raises a typed EVENT_LOG_WINDOW_UNVERIFIED instead of a guessed offset. A torn snapshot (rotation landing mid-read from the threadpool) is retried, not interpreted. A corrupt sidecar fails reads typed and never blocks appends, and rotation no longer does synchronous whole-file I/O. * refactor(daemon): split event-log window placement and share one line splitter