Files
Jakub Piasecki a0d1bbb1e7 feat(flow): indent nested steps in reports by block depth (#524)
Flow reports rendered every step flat, hiding which steps ran inside a
`when:` block or a `run:` fragment. The tool-server now stamps
`StepReport.depth` (+1 per block directive, omitted at top level) and
the CLI/MCP renderers indent step labels and under-step lines by it:

```
  ✓  1 launch
  ✓  2 when visible "What's new" — condition met
  ✓  3   tap "Skip"
  ✓  4   run dismiss [dismiss]
  ✓  5     tap "OK" [dismiss]
```

Invariants:

- **Wire-compatible both ways** — a flow with no block directives
reports byte-identical to the pre-depth shape; a pre-depth server
renders flat as before.
- **Skipped ≡ entered** — skipped/errored/aborted blocks report the same
depths as entered ones, keeping reports comparable run-to-run.
- **Untrusted wire data** — renderers clamp depth (display cap, not a
producer bound): hostile values render flat or at the cap, never throw
or allocate huge strings.

Also fixes a pre-existing bug: under-step warning/artifact lines now
stay aligned past 99 steps.

Tests pin depth on every producer path (entered/skipped/errored/aborted
blocks, `run:` success/failure markers, `run:`-in-`when:`) and renderer
alignment incl. the clamp boundary.

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
2026-07-21 07:28:48 +02:00
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