docs/add session summary + test checklist for this branch's fixes

Brief AI_docs note covering commits 6c3d603..8a7a350: what changed and what to test (automated + manual/simulated-session) to confirm the branch is in good shape before relying on it at the beamline. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-07-21 03:58:33 +02:00
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+# flomni/lamni parity fixes — 2026-07 session summary
+
+Branch `fixes/lamni_hw_commissioning`, commits `6c3d603..8a7a350`. Very brief
+by design — `git show <hash>` on any commit below has the full reasoning and
+diff; that's the source of truth if something needs revisiting.
+
+## What was done
+
+1. **`6c3d603`** — lamni: end-of-scan timing overview (total time / time lost
+   to gaps) + scilog write, matching flomni. `_tomo_scan_at_angle()` wrapped in
+   `@scan_repeat` so any interruption (not just the one `AlarmBase` case
+   already handled) redoes the whole projection. `scan_interlock` now enabled
+   at `tomo_scan()` start (was flomni-only before).
+2. **`cdfc023`** — tomo queue hover tooltip no longer shows golden-ratio
+   fields on a non-golden job (or type-1-only fields on a golden job).
+3. **`382e325`** — the manual/constant shift is now printed alongside
+   correction 1/2 + x-ray-eye correction during a projection, both setups.
+4. **`80f6972`** — lamni's `tomo_parameters()` now shows the active
+   `at_each_angle_hook`, matching flomni.
+5. **`abc2a3d`, `4ada8e8`** — new `tomo_queue_reacquire(job_index,
+   projection_number)`: reopen any job (even "done") at an earlier
+   projection, cascades every later job to `pending`. New `tomo_queue_resume()`
+   alias for `tomo_queue_execute()`. Docs updated in
+   `docs/user/ptychography/{lamni,flomni}.md`.
+6. **`8a7a350`** — `tomo_parameters()` (CLI) and the GUI (`tomo_params.py`,
+   live field) now warn if the current settings would produce fewer than 20
+   Fermat-scan points. Required converting `FlomniFermatScan`/
+   `LamNIFermatScan`'s position math to pure `@staticmethod`s (same
+   algorithm, no behavior change — verified against their existing
+   exact-position tests).
+
+**Parked, not done:** `DataDrivenLamNI`'s broken `_start_beam_check()` calls
+(missing mixin) — deferred on request, separate task if ever needed.
+
+## What to test to confirm everything's still healthy
+
+**Automated** — should show `412 passed, 15 skipped`:
+```
+/opt/bec_deployments/production/bec_venv/bin/python -m pytest tests/ -q
+```
+
+**Manual, on a simulated or real session, before relying on this at the
+beamline:**
+
+- `lamni.tomo_scan()` (short run): "Tomoscan finished" banner + timing
+  summary at the end; force a mid-scan exception once and confirm the same
+  projection retries instead of the scan aborting.
+- `lamni.tomo_queue_add()` a couple of jobs → `tomo_queue_execute()` →
+  `tomo_queue_reacquire(0, <n>)` on a finished job → confirm status flips and
+  later jobs go `pending` → `tomo_queue_resume()` re-runs them.
+- `lamni.tomo_parameters()`: confirm the hook line (if one's registered) and
+  the "Estimated Fermat scan points" line both appear, with a warning shown
+  for a deliberately tiny piezo range / coarse step.
+- GUI (`TomoParamsWidget`, lamni active): hover a queued job and confirm only
+  relevant fields show; confirm the new Fermat-points field updates live and
+  turns orange under the same tiny-FOV condition.
+- A real `lamni_fermat_scan` with too few points should still hit its
+  `ScanAbortion` safety net unchanged (the warning above is advisory, not a
+  replacement for it).