A. GOAL vs RESULT - Intended: Compress 300 million years of a two-galaxy collision into a single frame that feels like duration: a near‑kiss interference seam, tidal tails tearing into hairline threads, starburst furnaces, and stroboscopic echoes that trigger vertigo of time, violent beauty, and inevitability. The specific experiment: can motion‑blur vocabulary (echoes, trails, flickers) on two spiraling lights make time legible, not just softness? - Produced: No Stage‑A descriptions were captured. Only “prompt match: 5/10” is available. Colors, composition, mood are unknown. The investigation cannot be judged; the image likely trends toward generic blurred astro imagery given prior runs and the enumerative prompts. B. GAP IDENTIFICATION - Chain break: Pipeline (prompt→image→caption). The concept and prompts exist, but the caption capture failed, so the test cannot be evaluated. - Lost elements: • Near‑kiss seam/interference fringe not confirmed. • Stroboscopic rim echoes/time echoes not confirmed. • Lensing caustics, H‑alpha starburst knots, and hairline tidal filaments unverified. • Palette intent (gamma‑white cores with restrained tails) unverified. - Secondary gap: The prompts remain noun‑heavy enumerations; temporal verbs and seam‑as‑event framing (near‑kiss, shear, echo) are not the dominant carriers, risking ornamental/jewelry artifacts and “out‑of‑focus” reads. C. ROOT CAUSE - Process: Stage‑A caption capture is not enforced; batches pass without descriptions, making evaluation impossible. - Prompting: Over‑specified object nouns (photon‑sphere, disks, opaline knots) dominate; insufficient verb-led composition (“near‑kiss,” “shear,” “echo”) and explicit time devices (stroboscopic rim repeats), so even if images render, time may read as blur rather than duration. - Model tendency: Enumerative astro-illustration biases and jewelry/planetary artifacts when given “glossy, quartz, prismatic, torus” nouns; past runs showed this drift. D. CORRECTIONS - Pipeline fixes: • Make caption capture a required step; abort batch if description missing. • Run a one‑image smoke test to confirm captioning before full batch. - Prompt strategy: • Collapse to one 15‑word, verb‑led sentence encoding a near‑kiss seam and stroboscopic rim echoes; remove gem/jewelry/torus nouns. • Use palette verbs, not florid adjectives: “electric‑white cores; faint sea‑glass tails; cherry H‑alpha beads; charcoal dust.” • Include lensing caustics as a verb (“caustics rake dust”) to signal gravity rather than ornament. - Composition (borrow from favorites’ winning patterns): • Central seam as event (edge admits light, near‑kiss interference fringe). • Quiet, austere negative space as content; asymmetry in the seam; avoid literal infinity icons. • Micro‑echoes along rims to imply frames of time. - Visual devices to test: • Stroboscopic rim copies (2–4 faint rim offsets around each core). • Dust “drag lines” curving into the seam to imply shear.