Session event telemetry emitter
| Flag | Short | Description | Value |
|---|---|---|---|
| --session | -s | Session ID (required) | ✓ |
| --seq | Message sequence number | ✓ | |
| --type | Message type: user, assistant, tool_call, tool_result, | ✓ | |
| --text | Message text (inline) | ✓ | |
| --file | Read message text from file (for large content) | ✓ | |
| --provider | Provider name | ✓ | |
| --model | Model name | ✓ | |
| --project | Project name (default: basename of cwd) | ✓ | |
| --branch | Git branch (default: auto-detect) | ✓ |