[
  {
    "id": "where-the-evening-goes",
    "title": "Where the evening goes",
    "date": "2026-10-13",
    "session": "examples/where-the-evening-goes.json",
    "finishedImage": "examples/previews/where-the-evening-goes.png",
    "media": [
      "watercolor",
      "oil",
      "pencil"
    ],
    "goal": "Retrospective baseline: create a coherent subject through small inspected batches.",
    "inspiration": {
      "description": "Evening sky chosen during the session",
      "url": null
    },
    "observations": [
      {
        "afterStroke": 15,
        "text": "The sail was an outline with an unfilled center; broader passes were added after close inspection."
      },
      {
        "afterStroke": 33,
        "text": "A sailboat, banks, foreground reeds, and sunset formed a readable small composition; reflections remained subtle."
      }
    ],
    "evidence": [
      "artifacts/where-the-evening-goes-studio.jpg",
      "examples/previews/where-the-evening-goes.png"
    ],
    "engineRevision": "8c5b0cb",
    "model": "unknown",
    "nextExperiment": "Repeat a sailboat study with a filled sail built from broad masses first; compare shape readability.",
    "assessment": {
      "source": "Retrospective summary of recorded live notes",
      "humanRating": null,
      "improvementClaim": "No controlled comparison yet."
    }
  },
  {
    "id": "copper-and-pears",
    "title": "Copper & pears \u2014 an oil study",
    "date": "2026-10-13",
    "session": "examples/copper-and-pears.json",
    "finishedImage": "examples/previews/copper-and-pears.png",
    "media": [
      "oil"
    ],
    "goal": "Retrospective baseline: explore oil mixing and texture in a still life.",
    "inspiration": {
      "description": "Copper pot and pears chosen for contrasting material and color",
      "url": null
    },
    "observations": [
      {
        "afterStroke": 18,
        "text": "Loaded pale dabs were swallowed by deep dark paint. The oil model was corrected to separate optical surface color from buried pigment."
      },
      {
        "afterStroke": 57,
        "text": "Copper held its color after the correction; the repeated bristle texture remained stronger and more regular than desired."
      }
    ],
    "evidence": [
      "artifacts/copper-pears-close.jpg",
      "artifacts/copper-pears-studio.jpg",
      "examples/previews/copper-and-pears.png"
    ],
    "engineRevision": "3c5b975",
    "model": "unknown",
    "nextExperiment": "Use a small copper-and-pear calibration to reduce repeated bristle bands while keeping varied edges and restrained highlights.",
    "assessment": {
      "source": "Retrospective summary of recorded live notes",
      "humanRating": null,
      "improvementClaim": "An overpainting regression test improved simulator behavior. Artistic improvement has not been independently rated."
    }
  },
  {
    "id": "lemon-at-the-blue-hour",
    "title": "Lemon at the blue hour",
    "date": "2026-10-13",
    "session": "examples/lemon-at-the-blue-hour.json",
    "finishedImage": "examples/previews/lemon-at-the-blue-hour.png",
    "media": [
      "watercolor",
      "oil",
      "acrylic",
      "pencil"
    ],
    "goal": "Restrained highlights and varied edges: firmer lit shoulder, softer shadow side.",
    "inspiration": {
      "description": "An ordinary kitchen still life: a lemon catching evening light on a blue saucer. Original imagined composition, no external reference image.",
      "url": null
    },
    "observations": [
      {
        "afterStroke": 3,
        "text": "The soft table wash supported an angular open saucer outline. A broad center pass was needed."
      },
      {
        "afterStroke": 6,
        "text": "Filled broad masses made the fruit and saucer readable. Yellow oil mixed toward olive."
      },
      {
        "afterStroke": 10,
        "text": "Warm loaded oil remained subdued; the lower fruit edge stayed softer than the shoulder. Regular oil ridges remained conspicuous."
      },
      {
        "afterStroke": 14,
        "text": "An acrylic light plane was also subtle; the green leaf balanced the blue saucer."
      },
      {
        "afterStroke": 17,
        "text": "The final highlight remained very quiet. Lemon, leaf and saucer read together with ample bare linen, but the saucer stayed angular and repeated ridges remained unresolved."
      }
    ],
    "evidence": [
      "artifacts/lemon-at-the-blue-hour-whole.png",
      "artifacts/lemon-at-the-blue-hour-close.png",
      "examples/previews/lemon-at-the-blue-hour.png"
    ],
    "engineRevision": "b05b9e71488aac49a46c2fea1f1801eb49638070",
    "model": "GPT-6 (specific model variant unavailable)",
    "nextExperiment": "Paint adjacent small oil and acrylic highlight swatches on the same yellow ground before placing a fruit highlight; compare visibility and edge softness with the same renderer.",
    "assessment": {
      "source": "Live browser observations with final whole and close screenshot inspection. Provenance and journal written after export.",
      "humanRating": null,
      "improvementClaim": "No controlled comparison or independent rating. The quiet highlight goal was met visually, but the mark is arguably too subdued; ridge regularity remains."
    }
  }
]