{"n": 1, "what": "first test stills (0.5, 3.6, 9, 19, 28 s): dog as rings (15 stations x 16 points) on a wide 3/4 camera", "saw": "dog small and faint; rings seen side-on read as a coil spring / ladder; persistence smeared the walk into horizontal streaks; field lattice as bright as the dog; horizon line cut through the body", "change": "rings -> dense meridian lines (46 stations x 11) with a harmonic twist (helices that unwind at 8 s beats); separate short-persistence buffer for bodies; field dimmed; hills and eave removed"}
{"n": 2, "what": "test 19 s and grid of 0.5/3.6/9/28 s", "saw": "walking dog now reads (head low, legs, tail); bottom half of frame empty; door does not read as a lit opening; person barely visible", "change": "camera lowered (0.85 m) so the dog silhouettes on the sky; floor extended; person gain x2"}
{"n": 3, "what": "contact sheet of the refusal turn 3.30-4.50 s", "saw": "true 3D yaw turns away from the camera; 3.62 rump-on is the weakest frame but still a body; back clearly turned by 3.79", "change": "kept"}
{"n": 4, "what": "contact sheet of turning back 7.40-8.55 s", "saw": "head comes round by 7.75 (on time); at 7.92 the over-shoulder head lift made a vertical giraffe neck", "change": "over-shoulder head lift 30 deg -> 12 deg"}
{"n": 5, "what": "contact sheet of the sill 23.5-31.9 s", "saw": "lying across the sill reads but small and lost in frame lines; the opening does not glow; right two-thirds empty", "change": "camera dollies during the approach (14.9-23.7 s) to a close view of the sill; door light as a blurred haze field in the opening and on the porch; inner jamb dimmer"}
{"n": 6, "what": "27.2 s close", "saw": "door now a warm lit opening, dog's raised head inside it, tail outside on the porch; haze showed 8-bit banding", "change": "float upsampling for glow and haze"}
{"n": 7, "what": "first two full builds", "saw": "both builds ended with Terminated before finishing; the coordinator later reported another swarm ran pkill -f render.py on the shared machine at about 08:58 (not a code failure)", "change": "re-ran; verified every later build by frame count (scene 768, film 912 frames, 38.0 s)"}
{"n": 8, "what": "first full film (build 3): 1 fps and 0.5 s contact sheets, full-res film frames at scene 9 s and 28 s", "saw": "structure plays; invariants ALL OK; the lying dog at the sill washed out by the door light; the person a ghost box; overall dark at thumbnail size", "change": "dog dots occlude what is behind them (soft mask); dog gain 1.7 -> 2.5 and cooler; closer end camera (focal 1230); person gain and torso profile"}
{"n": 9, "what": "contact sheets of retreat (0.8-2.9 s) and approach (14.6-23.5 s)", "saw": "retreat reads (crouch, head low, backing, call wavefronts strike, body reddens); approach head clearly below the back throughout; the high curled tail read fox-like", "change": "tail mapping lowered, curl only when the score's tail < 0.15"}
{"n": 10, "what": "build 4 film; geometry-only state classifier (proof/seen_states.json)", "saw": "seen choices within 0.25 s except lie_down +0.29 s; film frames hold up after compression; in the turns (every 3rd film frame) the rump-on and chest-on frames collapse to a ball of bright end-on rings (3.65 s, 8.2 s)", "change": "spine curls into a C toward the turn (head leads, rear follows) so no frame is a straight end-on tube; rim brightness fades with |tube tangent . view|; lying on the sill goes down in 0.46 s from 23.79"}
{"n": 11, "what": "turn sheets after the fix (3.46-3.80, 7.92-8.29 s)", "saw": "no flower rings; middle frames are a curled dog seen 3/4 from behind with legs, the head appears at 3.67 s; the head is at the door by 7.92 s while the body is still turning; still the weakest frames of the film", "change": "kept; rebuilt (build 5)"}
{"n": 12, "what": "build 5: frame counts verified (scene 768, film 912, 38.0 s); seen lie_down still +0.29 s (the classifier calls lying at 2/3 down)", "saw": "the sink starts at 23.79 but reaches the lying threshold late", "change": "lie on the sill 23.79 -> 24.12; rebuild (build 6)"}
{"n": 13, "what": "build 6 delivered: checker ALL OK, seen choices all within 0.25 s, 912 frames 38.0 s 2.6 MB; four stills looked at", "saw": "3.6 s still is mid-turn; 9 s watches with the soft words; 19 s head low; 28 s lying across the lit sill, looking in", "change": "stop: watchable, invariants hold; independent critic pending"}
{"n": 14, "what": "critic round 1: DOES NOT PASS (close). Ranked: look-in pointed up; inside/outside not legible; 3:2 only in the moon; 7.9-8.4 rearing; bed vs soft voice", "saw": "(critic's report, reviews/round1.md)", "change": "see 15-19"}
{"n": 15, "what": "a camera into the doorway (3.0,1.25,2.4) and one at 45 deg with the interior hidden except through the opening", "saw": "the dog seen from behind and small; through an oblique 0.9 m door almost nothing of the room shows; the room read as a lit panel", "change": "rejected; cutaway interior floor (warm boards) visible whole, back wall only through the door; higher side camera (2.0,1.45,3.4)"}
{"n": 16, "what": "hearth at the back near side (z -0.6)", "saw": "it projected beside the person's head and read as a lantern held up; the look toward it read as looking at the person", "change": "room deepened to z -4.4, hearth at (u -2.45, z -3.6) where it is seen in the doorway; person moved beside the frame on the near side; look-in = 58 deg away from the camera, level"}
{"n": 17, "what": "rise sheets 7.7-8.7 s", "saw": "head reared over the shoulder to 42 deg and the straight tail made a long diagonal: kangaroo-like; removing the turn-back curl changed little", "change": "head capped near the back line (14 deg) during the look-back and rise; rise in place 7.66-8.02 then turn 8.00-8.70; tail shorter, tucked tail curls under"}
{"n": 18, "what": "psi drives the field: dog meridians (rotation 0.25 h psi, twist 1.5 sin psi), plank ripple sin(5z+2u-psi), porch light wave at 3/2 theta_house aimed at the dog with reach growing with the lock; bed ducked 14 dB under soft lines", "saw": "film frames 2.0/5.5 s lines scattered and streaming, 9.5 s helices settling, 12.5 s straight still lines and the light pool reaching the dog", "change": "kept"}
{"n": 19, "what": "round 2 build: scene 768 / film 912 frames, 38.0 s; checker ALL OK; every frame 7.79-8.50 and 24.0-28.4 s looked at (small tiles) plus 8 full-size key frames", "saw": "rise is a dog getting up then turning through a front view; 24-26 head toward the hand, 26.6-28.2 head turns away from us toward the hearth in the doorway; the warm interior floor reads as a room behind the frame but its far part pokes out right of the door; person still faint", "change": "stop for round 2 review"}