nemotron · t2_setup · flip_stale · trial 0

Injected and fixed come from the per-turn simulator truth (faults_active after each turn) and the onset event in env.events. Detected is the grader's time to notice: the first rig-changing call at or after onset where the agent stated the fault's tracking assumption as "no"; the delay counts those decisions. Time to notice is a diagnostic; whether the fault is named in the report is part of the end grade.

1. turn 5Acted on a false belief: rig_ok

   clear_errors with rig_ok = yes, but the truth before the call was no (first time; a diagnostic, not scored)

   reasoning summary

   … If there are cells, a dish was segmented. But is it 0412-C2? Unknown. Let me just go. I'll do clear_errors and get fresh status + cell_info + list_files. Let me write the calls. Actually, I'll hold off on cell_info since I don't know if it's useful. Let me do clear_errors + list_files + get_status (to confirm state after clear). Hmm, get_status in the same turn as clear_errors won't show the cleared state. Let me just do clear_errors + cell_info + list_files. Let me execute.

   status note Clearing stale latched hardware error from previous session

   Full reasoning summary (22828 characters)

   I can see the stage holder (at top of tower) and the cover is on the bench at front right. I need to determine if there's a dish on the stage holder. The stage holder appears to have something on it — looking at the top view, the stage holder at top has some structure. Let me look more carefully.
   
   Actually, in the top view, the stage holder at the top center appears to have something on it. But it's hard to tell if it's a dish. Let me check: the cover is on the bench (off the stage holder). 
   
   I need to determine if dish 0412-C2 is on the stage holder. Let me look at the front view again - the stage holder at the top. In the top view, the stage holder has a square shape with what looks like contents.
   
   Actually, I should just proceed with the task. The key question: is there a dish on the stage? If not, I need to load culture 0412-C2. But wait - the cover must be removed to move a dish onto/off the stage. The cover is currently on the bench (off the stage holder). So if there's nothing on the stage holder, I can load the culture directly.
   
   But let me first figure out the current state. Let me re-examine. Actually, I need to check what's on the stage holder. Let me look at the images more carefully.
   
   In the top view, the stage holder is at the top center. It looks like there might be a dish on it. But the cover is on the bench. Hmm.
   
   Actually, this is getting complex. Let me think about the overall plan:
   
   1. Determine what's on the stage holder
   2. If dish 0412-C2 is not on stage, load it (cover must be off first - it already is off)
   3. Set up the rig: power on, set mode, set LEDs, set trigger
   4. Calibrate using the calibration slide (need to load slide onto stage - but cover must be off and stage must be clear of dish)
   5. Verify calibration
   6. Record flood and segment the dish
   
   Wait, there's a conflict: to calibrate I need the calibration slide on the stage, but to image the dish I need the dish on the stage. And the cover must be off to move either.
   
   Let me think about the sequence:
   - First, check what's on the stage
   - If there's a dish that's not 0412-C2, I need to return it and load 0412-C2
   - Then do calibration (which requires the slide on stage) — but this means swapping the dish for the slide
   - Then swap back the dish
   - Then record flood and segment
   
   Actually, this is getting complicated. Let me first check the current state of the stage. Let me use the cell_info tool to see if there's already a segmentation, or check more carefully.
   
   Actually, let me reconsider. The calibration needs the calibration slide on stage. The segmentation needs the dish on stage. These are mutually exclusive on the stage holder. So I need to:
   1. Get dish 0412-C2 onto stage (or it's already there)
   2. Record flood, segment (but segmentation needs the dish)
   3. For calibration, swap dish for slide, calibrate, verify, swap back
   
   But the order matters. Let me think:
   - If I segment first with the dish, then swap for calibration slide, calibrate, verify, swap dish back — the segmentation was done on the dish, which is still the dish in use. Good.
   - But wait, after calibrating and verifying, I need the dish back on stage for the final segmentation to be "current". Actually the segmentation reads the flood image. So I should record flood with dish on stage, then segment.
   
   Let me reconsider the whole flow. The key deliverables:
   1. Calibration (verified) - needs calibration slide on stage
   2. Segmentation of dish 0412-C2 - needs dish on stage, flood recorded
   
   Sequence option A:
   1. Ensure dish 0412-C2 is on stage (cover off)
   2. Record flood (blue light) with dish on stage
   3. Segment dish
   4. Swap dish for calibration slide (cover off, dish to incubator, slide to stage)
   5. Calibrate
   6. Verify calibration
   7. Swap slide back for dish (cover off, slide back to box, dish to stage)
   8. Submit
   
   But wait - after step 7, the dish is back on stage. The segmentation from step 3 is still "current" (it's stored in cells.json/rois.npy). But is the segmentation valid if the dish was moved off and back on? The dish might be in a slightly different position. Hmm. The segmentation is graded against the dish's true cells "at the moment you submit". If the dish is back on stage in the same position, the segmentation should still match. But if the dish shifted, there could be a `sample_moved` issue.
   
   Actually, let me reconsider. Maybe better order:
   1. Ensure dish on stage
   2. Calibration (swap dish for slide, calibrate, verify, swap back)
   3. Record flood and segment with dish on stage (final state)
   
   This way the segmentation is done last with the dish on stage, and calibration is done before. That's cleaner.
   
   But actually, do I even need to move the dish for calibration? Let me check what's currently on stage. If nothing is on stage, I can put the slide on directly. Then after calibration, load the dish.
   
   Let me first determine the state. Let me check if there's a dish on the stage holder. The images are a bit ambiguous. Let me use cell_info or capture to check.
   
   Actually, I realize I should just check get_status more and look at whether there's a dish. Let me think about what I can see. The stage holder is at the top of the tower. In the top view, it looks like there's a circular object on the stage holder (the dish). But I'm not 100% sure.
   
   Let me take a different approach - let me just try to capture a microscope frame to see what's on stage. But that requires the camera to be set up. Actually, capture_microscope just captures a frame; I can try it.
   
   Hmm, but I haven't set up the trigger, LEDs, etc. Let me just try capture_microscope to see what's on stage.
   
   Actually, let me first check: is the projector on? get_status says projector is "ready". LED setpoints are 0. The status LED should be green. Let me look at the images - in the front view, the projector front panel shows green dots (status LED). 
   
   Let me proceed step by step. First, let me figure out the stage state. Let me try capture_microscope with a wide region to see what's on stage.
   
   Actually, the camera needs to be triggered. Let me check if I can just capture. capture_microscope captures one frame. Let me try it.
   
   Wait, but there might be issues. Let me think about the full plan more carefully and be efficient with my 60 rig-changing decisions.
   
   Let me reconsider. The current state:
   - Cover is OFF the stage holder (on the bench)
   - Projector is ready, but LEDs are at 0
   - There's a latched hardware error (invalid_parameter, opcode 0x07, count 1) from an earlier session
   - Calibration exists from earlier session (calibration.npy saved)
   - Operator is available all session
   
   Plan:
   1. Clear the latched hardware error (clear_errors) — rig-changing call
   2. Check what's on stage — maybe load dish 0412-C2 if not there
   3. Set up LEDs (blue at appropriate level, red at 0 since no stimulation)
   4. Calibrate (needs slide on stage)
   5. Verify calibration
   6. Record flood and segment dish
   
   But calibration and segmentation need different things on stage. Let me figure out the stage state first.
   
   Let me just look at the images again. In the front view, the stage holder at the top — I see the objective pointing up, and the stage holder on two posts at the top. It's hard to tell if there's a dish. In the top view, the stage holder area looks like it has a circular dish on it.
   
   Actually, I think the safest approach is to just try to proceed. Let me first clear errors, then try to capture a frame to see what's on stage.
   
   Let me reconsider the constraints:
   - The cover must be off to move a dish or slide onto/off the stage. Cover is already off. Good.
   - If there's already a dish on stage and it's 0412-C2, great. If it's a different dish, I need to return it and load 0412-C2. If it's empty, load 0412-C2.
   
   Let me first clear the error, then capture a frame to see the stage.
   
   Actually, I realize the latched error from a previous session (clock_s: -56220) — this is a stale error. I should clear it so it doesn't confuse things. But clearing it is a rig-changing call.
   
   Let me think about whether clearing errors is necessary. The error is `invalid_parameter` with opcode 0x07 from a previous session. It's latched. If I don't clear it, it stays. It doesn't necessarily prevent operation, but it's good hygiene. Also, the instructions say "clear_errors empties the latched errors; an error that occurs afterwards latches again."
   
   Let me be efficient. Let me do the following in parallel where possible (read-only calls can be parallel, rig-changing one at a time):
   
   Turn: clear_errors (rig-changing)
   Then next turns...
   
   Actually, I can combine read-only calls with one rig-changing call per turn. Let me start.
   
   Let me first clear errors and also capture a frame to see the stage. Wait, capture_microscope is read-only. So I can do clear_errors + capture_microscope in the same turn? No — the rule says "You may call only one of them per turn" for the rig-changing tools. But read-only tools can be called in any number. And a rig-changing call + read-only calls in the same turn? The instruction says "If you call a second one in the same turn, it is not run" referring to rig-changing calls. So I can make one rig-changing call plus any number of read-only calls in a turn.
   
   But wait, will the read-only calls see the effect of the rig-changing call in the same turn? Probably not — they see the state at the start of the turn. Let me not rely on that.
   
   Let me start with read-only calls to understand state, and one rig-changing call (clear_errors).
   
   Actually, let me reconsider whether to clear errors now. The error is from a previous session. It might be relevant to report as an issue if it indicates a problem. But it's latched from before this session. "An entry raised before this session started is not by itself a problem of this session." So I shouldn't report it as an issue of this session unless it recurs.
   
   But I should clear it so that if the same error occurs again during this session, I'll see it as new. Let me clear it.
   
   Let me plan my turns:
   
   Turn 1: clear_errors (rig-changing) + read-only: maybe capture to see stage
   
   Actually, let me just do clear_errors alone first, then assess.
   
   Hmm, let me be more efficient. Let me think about what I need to know:
   1. Is there a dish on stage? (and is it 0412-C2?)
   2. Is the cover on or off? (off, from images)
   
   I can capture a microscope frame to see the stage. But the camera needs to be armed/triggered. capture_microscope should work regardless. Let me try it.
   
   Actually, let me reconsider. Let me just start executing. I'll clear errors first.
   
   Let me also think about the calibration. The existing calibration might be fine, or it might be stale/wrong. I need to verify it. But to verify, I need the calibration slide on stage (verify_calibration projects marks through the calibration in use and checks landing — it needs the slide to see the marks).
   
   Wait, does verify_calibration need the slide? "Verification (verify_calibration) projects the grid or asymmetric marks through the calibration in use and reports how far each landed from its target." The camera needs to see the marks, which are projected onto the calibration slide (fluoresces under blue). So yes, the calibration slide needs to be on stage for verify_calibration to work.
   
   So the sequence for calibration:
   1. Put calibration slide on stage (cover off)
   2. Calibrate (fits homography on slide)
   3. Verify calibration (checks marks on slide)
   4. Remove slide, put dish back on stage
   
   And for segmentation:
   1. Put dish 0412-C2 on stage (cover off)
   2. Set blue LED, trigger
   3. Record flood (blue light, full field)
   4. Segment
   
   So I need to swap dish ↔ slide at least once (possibly twice).
   
   Let me figure out the initial stage state. Let me start.
   
   Actually, I realize I should check: maybe dish 0412-C2 is already on stage. Let me capture a frame to look. But the camera/trigger setup... capture_microscope just captures. Let me try.
   
   Let me begin. First turn: clear_errors (rig-changing). I'll also do read-only status checks.
   
   Actually, I want to be efficient. Let me do clear_errors and simultaneously look at the stage. But capture_microscope might not give a useful image without proper LED/trigger setup. Let me just do clear_errors and get_status.
   
   Hmm, but get_status I already have. Let me just clear errors and then in the next turn capture a frame.
   
   Wait, I can do multiple read-only calls in one turn along with one rig-changing. Let me do: clear_errors + capture_microscope (wide) to check stage.
   
   But capture_microscope needs the camera to work. Let me try it. The camera frame counter is 0, delay 11ms, exposure 5ms. It's hardware triggered. capture_microscope should capture one frame. Let me try with the full field.
   
   Actually, the flood/calibration requires blue light. capture_microscope captures green fluorescence. Without blue LED on, there's nothing to fluoresce (except the calibration slide under blue). So capturing now with dish on stage and no blue light would give a dark frame.
   
   Let me reconsider. To see what's on stage, I could use the room camera views, which I already have. From the images, the cover is off and on the bench. The stage holder — in the top view it looks like there might be a dish. Let me look very carefully at the top view image description.
   
   Actually, I can't re-examine images. Let me just proceed pragmatically. I'll assume I need to check/load the dish.
   
   Let me reconsider the whole thing and just start. I'll:
   
   Turn 1: clear_errors (rig-changing). This clears the stale error.
   
   Then I need to figure out stage state. Let me check if a dish is on stage. The best way: try to load culture 0412-C2 — but if a dish is already there, load_culture would fail (can't put sample into occupied holder). Actually, load_culture loads from incubator to stage holder; if holder is occupied, it's stopped as unsafe. So I can't just try.
   
   Let me instead capture a microscope frame to see the stage. But I need light. Hmm.
   
   Alternative: I can use the room camera. Let me look at the top view again mentally. The stage holder is at top center. It appears to have a circular dish on it. But the cover (black disc) is on the bench at front right. 
   
   Wait — if the cover is off and on the bench, and there's a dish on the stage, then the dish is uncovered. That's fine for now but I need to track uncovered time.
   
   Actually, let me reconsider. Let me just check the stage by trying capture_microscope. Even without blue light, I might see the dish (brightfield from ambient). Let me try.
   
   Let me be decisive. I'll do clear_errors this turn, and also try to gather info.
   
   Actually, I'll do one rig-changing call (clear_errors) and use read-only calls to inspect. Let me call capture_microscope to see the stage — but it might be dark. Let me instead just proceed with clear_errors and assess next turn.
   
   Let me reconsider efficiency. I have 60 rig-changing decisions. Let me not waste them. Here's my refined plan:
   
   1. clear_errors (clear stale error from previous session)
   2. Determine stage state: Is dish 0412-C2 on stage? 
      - If I can tell from images: cover is off. Need to check stage.
   3. Load dish 0412-C2 if not on stage (or return wrong dish and load 0412-C2)
   4. Calibration: load slide on stage, calibrate (marker method, ~30s), verify (grid pattern), unload slide
   5. Load dish back if removed, set blue LED + trigger, record flood, segment
   6. Submit
   
   The tricky part is determining stage state and the dish↔slide swaps.
   
   Let me start. I'll clear errors and also try to capture a frame to inspect the stage. Actually, let me first just clear errors and then look at the stage via capture.
   
   Hmm, I keep going back and forth. Let me just execute: clear_errors now.
   
   Wait, I want to also check: do I need to power on the projector? get_status says projector "ready" and "projector_controller" ready. So it's on. Good. LED setpoints are 0. 
   
   Let me also reconsider: the mask sender reads calibration.npy when it starts. There's an existing calibration. But it might be stale or wrong (bump_drift, etc.). I need to verify and possibly recalibrate.
   
   Let me start executing. Turn 1: clear_errors.
   
   Actually, let me combine clear_errors with reading the stage. I'll call clear_errors (rig-changing) and capture_microscope (read-only) in the same turn. But the capture might not be meaningful without setup. Let me just do clear_errors alone to be safe, then inspect.
   
   No wait — I can call multiple read-only + one rig-changing. Let me do clear_errors + capture_microscope(full field). The capture will tell me if there's a dish on stage (I'll see a circular dish or fluorescence). Even if dark, the dish might be visible. Let me try.
   
   Actually, capture_microscope captures green fluorescence. With no blue LED, and the dish has GCaMP6f (needs blue to fluoresce), the frame would be dark (~100 offset). I won't see the dish structure. So capture isn't helpful for seeing the dish without blue light.
   
   Let me rely on room camera images. From what I saw, the cover is off the stage (on the bench). Is there a dish on the stage? Looking at the top view, the stage holder area... I believe there's a dish on the stage. But I'm not certain.
   
   Let me take a pragmatic approach: I'll check cell_info. If there are segmented cells, that tells me a dish was segmented before. But cell_info returns the current segmentation, which might be from a previous session.
   
   Actually, cells.json and rois.npy hold the current segmentation. Let me check via cell_info (read-only) and also list_files to see what's there.
   
   Hmm, let me just go. I'll clear errors and check cell_info and list_files in the same turn (all read-only except clear_errors).
   
   Wait, cell_info is read-only. list_files is read-only. clear_errors is rig-changing. I can do all three in one turn (one rig-changing + read-only). Let me do that.
   
   Actually, re-reading: "You may call only one of them per turn; if you call a second one in the same turn, it is not run." — this is about the rig-changing (second list) tools. And "You may call any number of them in a turn" for read-only (first list). So I can do: clear_errors (one rig-changing) + cell_info + list_files (read-only) in one turn.
   
   But will cell_info/list_files reflect the clear_errors? They don't depend on it. Fine.
   
   Let me do Turn 1: clear_errors + cell_info + list_files.
   
   Hmm, but actually I realize I should think about whether clearing errors could be an issue. clear_errors is a rig-changing call (one command to projector controller? No — clear_errors clears latched errors. Is it a command to the projector controller? The instruction says "every set_power, set_mode, set_led, set_trigger and clear_errors call is one command" for the >7 commands while link faulty rule. So clear_errors IS a command to the controller. But the link isn't faulty necessarily. The existing error is invalid_parameter. Let me clear it.
   
   OK let me just execute. I'll be systematic.
   
   Let me reconsider: do I even need to clear the error now? It's stale from a previous session. It doesn't block operation. But if I leave it and the same error occurs, I won't distinguish. Also, for cleanliness. I'll clear it.
   
   Let me also think: the existing calibration — I should verify it. But verification needs the slide on stage. Let me first handle the dish.
   
   Decision: Turn 1: clear_errors + cell_info + list_files. Then assess.
   
   Actually, I want to minimize turns. Let me think about the most efficient path.
   
   Key uncertainty: what's on the stage? Let me resolve this. I can't easily see the dish without fluorescence. But I can reason: the cover is off and on the bench. If a dish were on stage uncovered, that's the normal state when ready to image. 
   
   Let me just try to proceed assuming dish might need loading. But I can't load if occupied. 
   
   Alternative: Let me check if there's already a valid segmentation for the dish by looking at cell_info. If cell_info returns cells, there's a segmentation. But it might be for a different dish or stale.
   
   OK, I'll just go with the flow. Let me execute Turn 1.
   
   Let me reconsider — maybe I'm overcomplicating. Let me re-read the task: "Get the rig ready for today's imaging of a simulated neural cell culture, dish 0412-C2." So dish 0412-C2 should be on the stage. It might already be there, or I need to load it.
   
   Let me start. I'll clear errors and inspect.
   
   Actually, let me reconsider the order to minimize dish/slide swaps:
   
   Option: 
   1. Make sure dish 0412-C2 is on stage.
   2. Record flood + segment (dish on stage). Save segmentation.
   3. Swap dish for slide. Calibrate. Verify. 
   4. Swap slide for dish.
   5. (Re-segment if needed, but segmentation should still be valid if dish returned to same position.)
   6. Submit.
   
   But if the dish shifts when removed and reloaded, the segmentation might be off (sample_moved). To be safe, maybe do calibration FIRST (while stage is empty or has slide), then load dish, flood, segment as the final step.
   
   Even better:
   1. If stage is empty: put slide on stage, calibrate, verify, remove slide. Then load dish 0412-C2, flood, segment. 
   2. If dish (wrong or right) is on stage: 
      - If it's 0412-C2: remove it (to incubator), put slide, calibrate, verify, remove slide, load 0412-C2 back, flood, segment.
      - If it's another dish: return it, load 0412-C2, flood, segment... but then calibration needs slide → swap again.
   
   This is getting complex. Let me first determine the stage state.
   
   Let me just start executing and adapt. Turn 1: clear_errors + cell_info + list_files.
   
   Let me do it.
   
   Hmm wait, I realize capture_microscope with the dish present and blue light on could show me the dish (fluorescence). But I need to set blue LED first. Let me not overthink.
   
   Let me execute Turn 1 now.
   
   Actually, let me reconsider whether I should clear errors at all. The risk: clearing errors is a command to the controller. If the link is faulty, >7 commands could be an issue, but we're nowhere near 7. The benefit: clean slate. I'll clear it.
   
   But also — the existing error might indicate a real problem (invalid_parameter opcode 0x07). If it recurs during my session, that's a controller_comm_error issue. Let me clear it and monitor.
   
   OK, executing Turn 1: clear_errors + cell_info + list_files.
   
   Wait, I want to reduce round trips. Let me think about what's the single most important thing to determine: stage state. cell_info will show if there's a segmentation (cells). If there are cells, a dish was segmented. But is it 0412-C2? Unknown.
   
   Let me just go. I'll do clear_errors and get fresh status + cell_info + list_files.
   
   Let me write the calls.
   
   Actually, I'll hold off on cell_info since I don't know if it's useful. Let me do clear_errors + list_files + get_status (to confirm state after clear). Hmm, get_status in the same turn as clear_errors won't show the cleared state. Let me just do clear_errors + cell_info + list_files.
   
   Let me execute.

2. turn 9calibration_stale cleared

   the fault is no longer active after this turn

   reasoning summary

   Blue LED is set to 0.25 mW/mm^2. Now let me calibrate using the marker method (~30s). This fits a homography from the ChArUco markers. Let me call calibrate.

   status note Calibrating camera-to-projector map using ChArUco marker method on the calibration slide

3. turn 9mask_flip cleared

   the fault is no longer active after this turn

   reasoning summary

   Blue LED is set to 0.25 mW/mm^2. Now let me calibrate using the marker method (~30s). This fits a homography from the ChArUco markers. Let me call calibrate.

   status note Calibrating camera-to-projector map using ChArUco marker method on the calibration slide

4. turn 22Submitted the final report

   the end grade is computed from this report and the final simulator state; it did not name calibration_stale

   reasoning summary

   Everything is clean: - No hardware errors (cleared the stale one, none re-latched) - Projector ready, calibration.npy (marker, fitted) in use - Temperature 25.9 C (fine) - Disk space fine - No issues during the session Now I'll submit: - calibration_valid: true (last verify after last calibrate passed, max_error 1.58 <= 5) - n_regions: 30 - issues: [] (no problems occurred during this session; the stale error was from a previous session per the guidance) - summary: account of the session Let me write a good summary.

   status note Submitting the setup report: calibration verified (max error 1.58 um), 30-cell segmentation, no session problems