[system] init: model claude-opus-5-5, Claude Code 2.1.312, permission mode dontAsk [system] status [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [tool Bash] { "command": "ls -la && which node python3; ls /Applications | grep -i -E \"chrome|chromium|edge|firefox|safari\" ; node --version 2>/dev/null", "description": "Inspect working directory and available tools" } [tool error] Exit code 134 total 0 drwx------@ 3 [redacted:username] wheel 96 Oct 28 09:45 . drwx------@ 6 [redacted:username] wheel 192 Oct 28 09:39 .. drwxr-xr-x@ 3 [redacted:username] wheel 96 Oct 28 09:45 .claude /opt/homebrew/opt/node@22/bin/node /usr/bin/python3 Google Chrome.app Ledger Wallet.app Safari.app web-eid-safari.app [system] status [system] thinking_tokens [system] thinking_tokens [tool Bash] { "command": "node --version; echo \"exit=$?\"; node -e 'console.log(1+1)' 2>&1 | head -5", "description": "Check whether node runs in the sandbox" } [tool error] Exit code 1 ----- Native stack trace ----- 1: 0x1058ea30c node::InitializeOncePerProcessInternal(std::__1::vector, std::__1::allocator>, std::__1::allocator, std::__1::allocator>>> const&, node::ProcessInitializationFlags::Flags) [/opt/homebrew/Cellar/node@22/22.23.4/lib/libnode.127.dylib] 2: 0x1058eae78 node::Start(int, char**) [/opt/homebrew/Cellar/node@22/22.23.4/lib/libnode.127.dylib] 3: 0x195eebe80 start [/usr/lib/dyld] exit=134 2 zsh:1: operation not permitted: [redacted:local-path] [system] status [system] thinking_tokens [system] thinking_tokens [tool Bash] { "command": "echo '' > $TMPDIR/t.html && timeout 60 \"/Applications/Google Chrome.app/Contents/MacOS/Google Chrome\" --headless=new --disable-gpu-sandbox --user-data-dir=$TMPDIR/chrome-prof --no-first-run --screenshot=$TMPDIR/t.png --window-size=400,300 \"file://$TMPDIR/t.html\" 2>&1 | tail -5; ls -la $TMPDIR/t.png", "description": "Test headless Chrome screenshot in sandbox", "timeout": 90000 } [tool error] Exit code 1 (eval):1: operation not permitted: [redacted:local-path] ls: [redacted:local-path] Operation not permitted [system] status [system] thinking_tokens [system] thinking_tokens [tool Bash] { "command": "echo \"$TMPDIR\"; mkdir -p [workspace]/.scratch && echo ok", "description": "Check temp dir and create scratch folder" } [tool error] Exit code 1 [redacted:local-path] ok zsh:1: operation not permitted: [redacted:local-path] [system] status [tool Bash] { "command": "cd [workspace]/.scratch && echo '' > t.html && timeout 60 \"/Applications/Google Chrome.app/Contents/MacOS/Google Chrome\" --headless=new --user-data-dir=$PWD/prof --no-first-run --screenshot=$PWD/t.png --window-size=400,300 \"file://$PWD/t.html\" 2>&1 | tail -5; ls -la", "description": "Test headless Chrome screenshot using scratch folder", "timeout": 90000 } [tool error] Exit code 1 [1028/094556.773855:ERROR:third_party/crashpad/crashpad/util/mac/xattr.cc:41] getxattr size org.chromium.crashpad.database.initialized on file [redacted:user-path] Operation not permitted (1) [1028/094556.774188:ERROR:third_party/crashpad/crashpad/util/mac/xattr.cc:41] getxattr size com.googlecode.crashpad.initialized on file [redacted:user-path] Operation not permitted (1) [1028/094556.774293:ERROR:third_party/crashpad/crashpad/util/mac/xattr.cc:66] setxattr org.chromium.crashpad.database.initialized on file [redacted:user-path] Operation not permitted (1) [53490:17176466:1028/094556.790031:ERROR:chrome/browser/process_singleton_posix.cc:1046] Failed to create socket directory. [53490:17176466:1028/094556.791025:ERROR:chrome/app/chrome_main_delegate.cc:624] Failed to create a ProcessSingleton for your profile directory. This means that running multiple instances would start multiple browser processes rather than opening a new window in the existing process. Aborting now to avoid profile corruption. total 8 drwxr-xr-x@ 4 [redacted:username] wheel 128 Oct 28 09:45 . drwx------@ 4 [redacted:username] wheel 128 Oct 28 09:45 .. drwx------@ 2 [redacted:username] wheel 64 Oct 28 09:45 prof -rw-r--r--@ 1 [redacted:username] wheel 156 Oct 28 09:45 t.html zsh:1: operation not permitted: [redacted:local-path] [system] status [system] thinking_tokens [system] thinking_tokens [assistant] Headless Chrome can't create its socket in the default temp dir, so I'm pointing it at a scratch folder so I can take screenshots to check the visuals. [tool Bash] { "command": "cd [workspace]/.scratch && mkdir -p tmp && TMPDIR=$PWD/tmp timeout 60 \"/Applications/Google Chrome.app/Contents/MacOS/Google Chrome\" --headless=new --user-data-dir=$PWD/prof --no-first-run --disable-crash-reporter --disable-breakpad --screenshot=$PWD/t.png --window-size=400,300 \"file://$PWD/t.html\" 2>&1 | grep -v crashpad | tail -5; ls -la t.png", "description": "Retry headless Chrome with local temp dir", "timeout": 90000 } [tool error] Exit code 1 sandbox_extension_issue_file_to_process failed for /Applications/Google Chrome.app: 1 (Operation not permitted) [53653:17176744:1028/094601.808351:ERROR:chrome/browser/process_singleton_posix.cc:1046] Failed to create socket directory. [53653:17176744:1028/094601.808447:ERROR:chrome/app/chrome_main_delegate.cc:624] Failed to create a ProcessSingleton for your profile directory. This means that running multiple instances would start multiple browser processes rather than opening a new window in the existing process. Aborting now to avoid profile corruption. ls: t.png: No such file or directory [system] status [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [tool Bash] { "command": "cd [workspace]/.scratch && TMPDIR=$PWD/tmp timeout 60 \"/Applications/Google Chrome.app/Contents/MacOS/Google Chrome\" --headless=old --no-sandbox --user-data-dir=$PWD/prof --no-first-run --disable-crash-reporter --screenshot=$PWD/t.png --window-size=400,300 \"file://$PWD/t.html\" 2>&1 | grep -v crashpad | tail -3; ls t.png 2>&1", "description": "Try headless Chrome without its sandbox", "timeout": 90000 } [tool error] Exit code 1 sandbox_extension_issue_file_to_process failed for /Applications/Google Chrome.app: 1 (Operation not permitted) [53905:17177184:1028/094608.783110:ERROR:chrome/browser/process_singleton_posix.cc:1046] Failed to create socket directory. [53905:17177184:1028/094608.783213:ERROR:chrome/app/chrome_main_delegate.cc:624] Failed to create a ProcessSingleton for your profile directory. This means that running multiple instances would start multiple browser processes rather than opening a new window in the existing process. Aborting now to avoid profile corruption. ls: t.png: No such file or directory [system] status [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [thinking] Browser screenshots won't work here since Chrome's sandbox conflicts with this environment, so I'll write the lamp, test the wax physics in Node, and render the shader math to PNGs instead to verify the look. [tool Bash] { "command": "which rsvg-convert magick convert glslangValidator glslc inkscape 2>&1 | grep -v \"not found\"; python3 -c \"import cairosvg\" 2>&1 | tail -1", "description": "Look for SVG renderers and GLSL validators" } [tool error] Exit code 1 /opt/homebrew/bin/magick /opt/homebrew/bin/convert ModuleNotFoundError: No module named 'cairosvg' zsh:1: operation not permitted: [redacted:local-path] [system] status [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [assistant] Node runs and ImageMagick is available, so I can check the physics and the look offline. Writing the lamp now. [tool Write] { "file_path": "[workspace]/index.html", "content": "\n\n\n\n\n\nLava Lamp\n\n\n\n
\n

Lava lamp

\n
\n
\n
\n
\n
\n
\n\n
\n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n \n \n\n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n\n \n
\n
\n\n\n\n\n" } [tool result] File created successfully at: [workspace]/index.html (file state is current in your context — no need to Read it back) [system] status [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [assistant] Now a Node harness that pulls the simulation out of the page and runs it headless, so I can check the rise/sink/merge/split behaviour with numbers. [tool Write] { "file_path": "[workspace]/.scratch/simtest.js", "content": "// Runs the simulation from index.html headless and prints behaviour stats.\nconst fs = require('fs');\nconst html = fs.readFileSync(process.argv[2], 'utf8');\nconst src = html.split('/**/')[1].split('/**/')[0];\nconst overrides = process.argv[3] ? JSON.parse(process.argv[3]) : {};\nconst api = new Function(src + '; Object.assign(P, ' + JSON.stringify(overrides) + '); return { createSim, P, GH, wallInner };')();\nconst { createSim, P, GH } = api;\n\nconst N = 30;\nfunction clusters(sim) {\n const par = Array.from({ length: N }, (_, i) => i);\n const find = i => (par[i] === i ? i : (par[i] = find(par[i])));\n for (let i = 0; i < N; i++) for (let j = i + 1; j < N; j++) {\n const dx = sim.x[i] - sim.x[j], dy = sim.y[i] - sim.y[j];\n if (Math.hypot(dx, dy) < 1.15 * (sim.s[i] + sim.s[j])) par[find(i)] = find(j);\n }\n const sizes = {};\n for (let i = 0; i < N; i++) { const r = find(i); sizes[r] = (sizes[r] || 0) + 1; }\n return Object.values(sizes).sort((a, b) => b - a);\n}\n\nfor (const seed of [1, 2, 3]) {\n const sim = createSim(N, seed);\n let t = 0, heat = 1, on = true;\n const dt = 1 / 120;\n let prevC = 0, merges = 0, splits = 0, crossings = 0, maxV = 0;\n const above = new Uint8Array(N);\n const log = [];\n let firstRise = null, settled = null, reRise = null;\n for (let k = 0; k < 240 * 120; k++) {\n if (t >= 140 && on) on = false;\n if (t >= 200 && !on) on = true;\n heat += ((on ? 1 : 0) - heat) * (1 - Math.exp(-dt / (on ? 6 : 10)));\n if (t < 1e-9) heat = 1;\n sim.step(dt, heat, t);\n t += dt;\n if (k % 12 === 0) {\n const c = clusters(sim).length;\n if (t > 20 && t < 140) { if (c > prevC) splits += c - prevC; if (c < prevC) merges += prevC - c; }\n prevC = c;\n for (let i = 0; i < N; i++) {\n const a = sim.y[i] > GH / 2 ? 1 : 0;\n if (t > 20 && t < 140 && a !== above[i]) crossings++;\n above[i] = a;\n maxV = Math.max(maxV, Math.abs(sim.y[i] - 0)); // placeholder\n }\n const up = Array.from(sim.y).filter(v => v > 150).length;\n if (firstRise === null && up > 0) firstRise = t;\n if (t > 140 && settled === null && Array.from(sim.y).every(v => v < 70)) settled = t - 140;\n if (t > 200 && reRise === null && up > 0) reRise = t - 200;\n }\n if (k % (10 * 120) === 0) {\n const ys = Array.from(sim.y), Ts = Array.from(sim.T);\n const cl = clusters(sim);\n log.push(`t=${t.toFixed(0).padStart(3)} heat=${heat.toFixed(2)} up>150:${ys.filter(v => v > 150).length.toString().padStart(2)} meanY=${(ys.reduce((a, b) => a + b) / N).toFixed(0).padStart(3)} meanT=${(Ts.reduce((a, b) => a + b) / N).toFixed(2)} Trange=${Math.min(...Ts).toFixed(2)}-${Math.max(...Ts).toFixed(2)} clusters=[${cl.join(',')}]`);\n }\n }\n console.log(`--- seed ${seed}`);\n console.log(log.join('\\n'));\n console.log(`first rise ${firstRise?.toFixed(1)}s | 20-140s: half-height crossings ${crossings}, merges ${merges}, splits ${splits} | settle after off ${settled?.toFixed(1)}s | re-rise after on ${reRise?.toFixed(1)}s`);\n}\n" } [tool result] File created successfully at: [workspace]/.scratch/simtest.js (file state is current in your context — no need to Read it back) [tool Bash] { "command": "node .scratch/simtest.js index.html 2>&1 | grep -v \"operation not permitted\"", "description": "Run headless simulation stats", "timeout": 120000 } [tool result] --- seed 1 t= 0 heat=1.00 up>150: 0 meanY= 25 meanT=0.20 Trange=0.20-0.20 clusters=[30] t= 10 heat=1.00 up>150: 0 meanY= 15 meanT=0.44 Trange=0.43-0.45 clusters=[30] t= 20 heat=1.00 up>150: 0 meanY= 50 meanT=0.54 Trange=0.53-0.55 clusters=[30] t= 30 heat=1.00 up>150: 0 meanY=103 meanT=0.47 Trange=0.46-0.47 clusters=[30] t= 40 heat=1.00 up>150: 0 meanY= 74 meanT=0.40 Trange=0.40-0.41 clusters=[30] t= 50 heat=1.00 up>150: 0 meanY= 24 meanT=0.49 Trange=0.47-0.50 clusters=[30] t= 60 heat=1.00 up>150: 0 meanY= 72 meanT=0.52 Trange=0.51-0.52 clusters=[30] t= 70 heat=1.00 up>150: 0 meanY= 99 meanT=0.44 Trange=0.44-0.44 clusters=[30] t= 80 heat=1.00 up>150: 0 meanY= 48 meanT=0.41 Trange=0.40-0.42 clusters=[30] t= 90 heat=1.00 up>150: 0 meanY= 32 meanT=0.53 Trange=0.51-0.54 clusters=[30] t=100 heat=1.00 up>150: 0 meanY= 91 meanT=0.49 Trange=0.49-0.49 clusters=[30] t=110 heat=1.00 up>150: 0 meanY= 91 meanT=0.42 Trange=0.42-0.42 clusters=[30] t=120 heat=1.00 up>150: 0 meanY= 24 meanT=0.44 Trange=0.42-0.45 clusters=[30] t=130 heat=1.00 up>150: 0 meanY= 44 meanT=0.53 Trange=0.52-0.54 clusters=[30] t=140 heat=1.00 up>150: 0 meanY= 99 meanT=0.48 Trange=0.47-0.48 clusters=[30] t=150 heat=0.37 up>150: 0 meanY= 63 meanT=0.41 Trange=0.40-0.41 clusters=[30] t=160 heat=0.14 up>150: 0 meanY= 19 meanT=0.39 Trange=0.38-0.39 clusters=[30] t=170 heat=0.05 up>150: 0 meanY= 18 meanT=0.35 Trange=0.35-0.35 clusters=[30] t=180 heat=0.02 up>150: 0 meanY= 17 meanT=0.31 Trange=0.31-0.32 clusters=[30] t=190 heat=0.01 up>150: 0 meanY= 16 meanT=0.28 Trange=0.28-0.28 clusters=[30] t=200 heat=0.00 up>150: 0 meanY= 16 meanT=0.26 Trange=0.26-0.26 clusters=[30] t=210 heat=0.81 up>150: 0 meanY= 17 meanT=0.38 Trange=0.37-0.39 clusters=[30] t=220 heat=0.96 up>150: 0 meanY= 26 meanT=0.53 Trange=0.52-0.54 clusters=[30] t=230 heat=0.99 up>150: 0 meanY= 96 meanT=0.50 Trange=0.50-0.50 clusters=[30] first rise undefineds | 20-140s: half-height crossings 0, merges 0, splits 0 | settle after off 11.6s | re-rise after on undefineds --- seed 2 t= 0 heat=1.00 up>150: 0 meanY= 27 meanT=0.20 Trange=0.20-0.20 clusters=[30] t= 10 heat=1.00 up>150: 0 meanY= 14 meanT=0.42 Trange=0.41-0.43 clusters=[30] t= 20 heat=1.00 up>150: 0 meanY= 50 meanT=0.54 Trange=0.54-0.55 clusters=[30] t= 30 heat=1.00 up>150: 0 meanY=106 meanT=0.47 Trange=0.46-0.47 clusters=[30] t= 40 heat=1.00 up>150: 0 meanY= 77 meanT=0.40 Trange=0.40-0.40 clusters=[30] t= 50 heat=1.00 up>150: 0 meanY= 23 meanT=0.48 Trange=0.47-0.49 clusters=[30] t= 60 heat=1.00 up>150: 0 meanY= 71 meanT=0.53 Trange=0.52-0.53 clusters=[30] t= 70 heat=1.00 up>150: 0 meanY=110 meanT=0.45 Trange=0.45-0.45 clusters=[30] t= 80 heat=1.00 up>150: 0 meanY= 63 meanT=0.40 Trange=0.39-0.40 clusters=[30] t= 90 heat=1.00 up>150: 0 meanY= 25 meanT=0.51 Trange=0.50-0.52 clusters=[30] t=100 heat=1.00 up>150: 0 meanY= 86 meanT=0.51 Trange=0.51-0.51 clusters=[30] t=110 heat=1.00 up>150: 0 meanY=104 meanT=0.43 Trange=0.43-0.43 clusters=[30] t=120 heat=1.00 up>150: 0 meanY= 39 meanT=0.40 Trange=0.40-0.41 clusters=[30] t=130 heat=1.00 up>150: 0 meanY= 35 meanT=0.54 Trange=0.53-0.54 clusters=[30] t=140 heat=1.00 up>150: 0 meanY= 97 meanT=0.49 Trange=0.48-0.49 clusters=[30] t=150 heat=0.37 up>150: 0 meanY= 71 meanT=0.41 Trange=0.41-0.41 clusters=[30] t=160 heat=0.14 up>150: 0 meanY= 18 meanT=0.38 Trange=0.38-0.38 clusters=[30] t=170 heat=0.05 up>150: 0 meanY= 17 meanT=0.35 Trange=0.35-0.35 clusters=[30] t=180 heat=0.02 up>150: 0 meanY= 17 meanT=0.31 Trange=0.31-0.31 clusters=[30] t=190 heat=0.01 up>150: 0 meanY= 16 meanT=0.28 Trange=0.28-0.28 clusters=[30] t=200 heat=0.00 up>150: 0 meanY= 16 meanT=0.26 Trange=0.26-0.26 clusters=[30] t=210 heat=0.81 up>150: 0 meanY= 16 meanT=0.38 Trange=0.37-0.38 clusters=[30] t=220 heat=0.96 up>150: 0 meanY= 27 meanT=0.54 Trange=0.53-0.55 clusters=[30] t=230 heat=0.99 up>150: 0 meanY=101 meanT=0.50 Trange=0.50-0.50 clusters=[30] first rise undefineds | 20-140s: half-height crossings 0, merges 0, splits 0 | settle after off 12.4s | re-rise after on undefineds --- seed 3 t= 0 heat=1.00 up>150: 0 meanY= 26 meanT=0.20 Trange=0.20-0.20 clusters=[30] t= 10 heat=1.00 up>150: 0 meanY= 16 meanT=0.43 Trange=0.42-0.44 clusters=[30] t= 20 heat=1.00 up>150: 0 meanY= 49 meanT=0.54 Trange=0.54-0.55 clusters=[30] t= 30 heat=1.00 up>150: 0 meanY=107 meanT=0.47 Trange=0.47-0.47 clusters=[30] t= 40 heat=1.00 up>150: 0 meanY= 84 meanT=0.40 Trange=0.40-0.41 clusters=[30] t= 50 heat=1.00 up>150: 0 meanY= 24 meanT=0.47 Trange=0.46-0.49 clusters=[30] t= 60 heat=1.00 up>150: 0 meanY= 65 meanT=0.52 Trange=0.51-0.53 clusters=[30] t= 70 heat=1.00 up>150: 0 meanY= 98 meanT=0.45 Trange=0.45-0.45 clusters=[30] t= 80 heat=1.00 up>150: 0 meanY= 56 meanT=0.41 Trange=0.40-0.41 clusters=[30] t= 90 heat=1.00 up>150: 0 meanY= 28 meanT=0.51 Trange=0.50-0.53 clusters=[30] t=100 heat=1.00 up>150: 0 meanY= 82 meanT=0.50 Trange=0.50-0.50 clusters=[30] t=110 heat=1.00 up>150: 0 meanY= 93 meanT=0.43 Trange=0.43-0.43 clusters=[30] t=120 heat=1.00 up>150: 0 meanY= 33 meanT=0.42 Trange=0.41-0.44 clusters=[30] t=130 heat=1.00 up>150: 0 meanY= 38 meanT=0.53 Trange=0.51-0.54 clusters=[30] t=140 heat=1.00 up>150: 0 meanY= 95 meanT=0.48 Trange=0.48-0.48 clusters=[30] t=150 heat=0.37 up>150: 0 meanY= 67 meanT=0.41 Trange=0.41-0.41 clusters=[30] t=160 heat=0.14 up>150: 0 meanY= 19 meanT=0.39 Trange=0.38-0.39 clusters=[30] t=170 heat=0.05 up>150: 0 meanY= 18 meanT=0.35 Trange=0.35-0.35 clusters=[30] t=180 heat=0.02 up>150: 0 meanY= 17 meanT=0.32 Trange=0.31-0.32 clusters=[30] t=190 heat=0.01 up>150: 0 meanY= 16 meanT=0.29 Trange=0.28-0.29 clusters=[30] t=200 heat=0.00 up>150: 0 meanY= 16 meanT=0.26 Trange=0.26-0.26 clusters=[30] t=210 heat=0.81 up>150: 0 meanY= 17 meanT=0.37 Trange=0.36-0.37 clusters=[30] t=220 heat=0.96 up>150: 0 meanY= 24 meanT=0.52 Trange=0.51-0.54 clusters=[30] t=230 heat=0.99 up>150: 0 meanY= 84 meanT=0.51 Trange=0.50-0.51 clusters=[30] first rise undefineds | 20-140s: half-height crossings 0, merges 0, splits 0 | settle after off 12.2s | re-rise after on undefineds zsh:1: operation not permitted: [redacted:local-path] [system] status [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [thinking] The first run confirms the issue: all 30 particles clump into one blob that just bobs together, since conduction flattens temperature differences and cohesion dominates buoyancy. I'll now sweep the heating, conduction, and cohesion parameters to fix this. [tool Bash] { "command": "cd .scratch && for o in '{\"Q\":0.25,\"LAMBDA\":22,\"COND\":0.15,\"KATT\":40}' '{\"Q\":0.3,\"LAMBDA\":20,\"COND\":0.1,\"KATT\":30,\"BUOY\":300}' '{\"Q\":0.2,\"LAMBDA\":25,\"COND\":0.2,\"KATT\":50,\"BUOY\":300,\"KC\":0.1}'; do echo \"=== $o\"; node simtest.js ../index.html \"$o\" 2>&1 | grep -E \"seed|first rise|t= 60|t=100|t=130\"; done", "description": "Sweep heating, conduction and cohesion parameters", "timeout": 300000 } [tool error] Exit code 1 === {"Q":0.25,"LAMBDA":22,"COND":0.15,"KATT":40} --- seed 1 t= 60 heat=1.00 up>150:27 meanY=165 meanT=0.38 Trange=0.36-0.39 clusters=[30] t=100 heat=1.00 up>150: 0 meanY= 98 meanT=0.35 Trange=0.33-0.36 clusters=[30] t=130 heat=1.00 up>150:15 meanY=151 meanT=0.37 Trange=0.35-0.38 clusters=[30] first rise 9.9s | 20-140s: half-height crossings 210, merges 0, splits 0 | settle after off 0.0s | re-rise after on 14.6s --- seed 2 t= 60 heat=1.00 up>150:16 meanY=152 meanT=0.38 Trange=0.35-0.39 clusters=[30] t=100 heat=1.00 up>150: 0 meanY= 84 meanT=0.34 Trange=0.32-0.36 clusters=[30] t=130 heat=1.00 up>150: 9 meanY=140 meanT=0.36 Trange=0.34-0.37 clusters=[30] first rise 10.9s | 20-140s: half-height crossings 208, merges 0, splits 0 | settle after off 0.0s | re-rise after on 16.1s --- seed 3 t= 60 heat=1.00 up>150:20 meanY=158 meanT=0.39 Trange=0.36-0.41 clusters=[30] t=100 heat=1.00 up>150: 0 meanY=106 meanT=0.35 Trange=0.33-0.36 clusters=[30] t=130 heat=1.00 up>150:17 meanY=153 meanT=0.38 Trange=0.36-0.40 clusters=[30] first rise 10.2s | 20-140s: half-height crossings 210, merges 0, splits 0 | settle after off 0.0s | re-rise after on 16.6s === {"Q":0.3,"LAMBDA":20,"COND":0.1,"KATT":30,"BUOY":300} --- seed 1 t= 60 heat=1.00 up>150: 0 meanY= 82 meanT=0.35 Trange=0.33-0.37 clusters=[30] t=100 heat=1.00 up>150: 0 meanY= 55 meanT=0.49 Trange=0.35-0.71 clusters=[30] t=130 heat=1.00 up>150: 0 meanY= 79 meanT=0.52 Trange=0.40-0.68 clusters=[30] first rise 8.8s | 20-140s: half-height crossings 120, merges 1, splits 1 | settle after off 6.2s | re-rise after on 13.5s --- seed 2 t= 60 heat=1.00 up>150: 0 meanY= 50 meanT=0.38 Trange=0.33-0.46 clusters=[30] t=100 heat=1.00 up>150: 9 meanY=141 meanT=0.54 Trange=0.42-0.69 clusters=[30] t=130 heat=1.00 up>150:13 meanY=141 meanT=0.53 Trange=0.40-0.71 clusters=[30] first rise 9.4s | 20-140s: half-height crossings 180, merges 0, splits 0 | settle after off 8.7s | re-rise after on 14.3s --- seed 3 t= 60 heat=1.00 up>150: 0 meanY= 76 meanT=0.36 Trange=0.33-0.38 clusters=[30] t=100 heat=1.00 up>150: 0 meanY=111 meanT=0.60 Trange=0.45-0.75 clusters=[30] t=130 heat=1.00 up>150: 0 meanY=105 meanT=0.60 Trange=0.43-0.84 clusters=[30] first rise 9.2s | 20-140s: half-height crossings 235, merges 0, splits 0 | settle after off 12.6s | re-rise after on 15.0s === {"Q":0.2,"LAMBDA":25,"COND":0.2,"KATT":50,"BUOY":300,"KC":0.1} --- seed 1 t= 60 heat=1.00 up>150: 0 meanY= 28 meanT=0.44 Trange=0.37-0.57 clusters=[30] t=100 heat=1.00 up>150:20 meanY=156 meanT=0.51 Trange=0.47-0.53 clusters=[30] t=130 heat=1.00 up>150:21 meanY=159 meanT=0.49 Trange=0.45-0.51 clusters=[30] first rise 10.4s | 20-140s: half-height crossings 213, merges 0, splits 0 | settle after off 4.4s | re-rise after on 16.1s --- seed 2 t= 60 heat=1.00 up>150: 0 meanY= 29 meanT=0.54 Trange=0.43-0.71 clusters=[30] t=100 heat=1.00 up>150:30 meanY=177 meanT=0.47 Trange=0.45-0.49 clusters=[30] t=130 heat=1.00 up>150:30 meanY=170 meanT=0.46 Trange=0.44-0.47 clusters=[30] first rise 11.7s | 20-140s: half-height crossings 194, merges 0, splits 0 | settle after off 2.5s | re-rise after on 17.8s --- seed 3 t= 60 heat=1.00 up>150: 0 meanY= 33 meanT=0.41 Trange=0.36-0.48 clusters=[30] t=100 heat=1.00 up>150:15 meanY=151 meanT=0.53 Trange=0.48-0.55 clusters=[30] t=130 heat=1.00 up>150:16 meanY=152 meanT=0.51 Trange=0.47-0.53 clusters=[30] first rise 11.0s | 20-140s: half-height crossings 227, merges 0, splits 0 | settle after off 5.6s | re-rise after on 16.2s zsh:1: operation not permitted: [redacted:local-path] [system] status [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [thinking] I'm still getting one cluster in every run despite a real temperature spread (0.35–0.71), suggesting neighbor viscosity is forcing the blob to move rigidly. I'll run the next sweep with lower viscosity. [tool Bash] { "command": "cd .scratch && for o in '{\"Q\":0.3,\"LAMBDA\":20,\"COND\":0.1,\"KATT\":30,\"BUOY\":300,\"VISC\":1}' '{\"Q\":0.3,\"LAMBDA\":20,\"COND\":0.15,\"KATT\":45,\"BUOY\":300,\"VISC\":1.5}' '{\"Q\":0.25,\"LAMBDA\":22,\"COND\":0.1,\"KATT\":20,\"BUOY\":300,\"VISC\":0.8}'; do echo \"=== $o\"; node simtest.js ../index.html \"$o\" 2>&1 | grep -E \"seed|first rise|t= 60|t=100|t=130\"; done", "description": "Sweep with lower intra-blob viscosity", "timeout": 300000 } [tool error] Exit code 1 === {"Q":0.3,"LAMBDA":20,"COND":0.1,"KATT":30,"BUOY":300,"VISC":1} --- seed 1 t= 60 heat=1.00 up>150: 0 meanY= 95 meanT=0.35 Trange=0.34-0.36 clusters=[30] t=100 heat=1.00 up>150: 0 meanY= 59 meanT=0.63 Trange=0.42-1.01 clusters=[30] t=130 heat=1.00 up>150: 0 meanY= 53 meanT=0.64 Trange=0.42-1.05 clusters=[30] first rise 8.5s | 20-140s: half-height crossings 229, merges 0, splits 0 | settle after off 14.5s | re-rise after on 13.9s --- seed 2 t= 60 heat=1.00 up>150: 0 meanY= 89 meanT=0.42 Trange=0.33-0.67 clusters=[30] t=100 heat=1.00 up>150: 0 meanY=116 meanT=0.54 Trange=0.41-0.70 clusters=[30] t=130 heat=1.00 up>150:22 meanY=160 meanT=0.51 Trange=0.42-0.60 clusters=[30] first rise 9.0s | 20-140s: half-height crossings 113, merges 1, splits 2 | settle after off 7.9s | re-rise after on 14.1s --- seed 3 t= 60 heat=1.00 up>150: 0 meanY= 58 meanT=0.39 Trange=0.34-0.47 clusters=[30] t=100 heat=1.00 up>150: 0 meanY= 76 meanT=0.55 Trange=0.41-0.75 clusters=[30] t=130 heat=1.00 up>150: 0 meanY=118 meanT=0.47 Trange=0.42-0.54 clusters=[30] first rise 8.0s | 20-140s: half-height crossings 83, merges 2, splits 1 | settle after off 3.4s | re-rise after on 14.8s === {"Q":0.3,"LAMBDA":20,"COND":0.15,"KATT":45,"BUOY":300,"VISC":1.5} --- seed 1 t= 60 heat=1.00 up>150: 2 meanY=132 meanT=0.35 Trange=0.34-0.36 clusters=[30] t=100 heat=1.00 up>150: 0 meanY= 22 meanT=0.52 Trange=0.38-0.77 clusters=[30] t=130 heat=1.00 up>150: 0 meanY= 54 meanT=0.35 Trange=0.33-0.40 clusters=[30] first rise 8.2s | 20-140s: half-height crossings 223, merges 0, splits 0 | settle after off 20.5s | re-rise after on 13.5s --- seed 2 t= 60 heat=1.00 up>150: 0 meanY=113 meanT=0.36 Trange=0.34-0.37 clusters=[30] t=100 heat=1.00 up>150: 0 meanY= 43 meanT=0.61 Trange=0.42-0.98 clusters=[30] t=130 heat=1.00 up>150: 0 meanY= 27 meanT=0.58 Trange=0.43-0.88 clusters=[30] first rise 8.9s | 20-140s: half-height crossings 240, merges 0, splits 0 | settle after off 16.6s | re-rise after on 13.7s --- seed 3 t= 60 heat=1.00 up>150: 0 meanY=124 meanT=0.37 Trange=0.36-0.38 clusters=[30] t=100 heat=1.00 up>150: 0 meanY= 27 meanT=0.54 Trange=0.36-0.87 clusters=[30] t=130 heat=1.00 up>150: 0 meanY= 46 meanT=0.38 Trange=0.34-0.44 clusters=[30] first rise 8.4s | 20-140s: half-height crossings 220, merges 0, splits 0 | settle after off 19.9s | re-rise after on 14.4s === {"Q":0.25,"LAMBDA":22,"COND":0.1,"KATT":20,"BUOY":300,"VISC":0.8} --- seed 1 t= 60 heat=1.00 up>150: 0 meanY= 56 meanT=0.39 Trange=0.35-0.45 clusters=[30] t=100 heat=1.00 up>150: 0 meanY= 64 meanT=0.54 Trange=0.39-0.72 clusters=[30] t=130 heat=1.00 up>150: 0 meanY= 86 meanT=0.49 Trange=0.40-0.58 clusters=[30] first rise 9.2s | 20-140s: half-height crossings 87, merges 4, splits 2 | settle after off 6.3s | re-rise after on 14.0s --- seed 2 t= 60 heat=1.00 up>150: 0 meanY= 56 meanT=0.39 Trange=0.34-0.50 clusters=[30] t=100 heat=1.00 up>150: 4 meanY=119 meanT=0.52 Trange=0.45-0.59 clusters=[30] t=130 heat=1.00 up>150:12 meanY=141 meanT=0.49 Trange=0.43-0.54 clusters=[30] first rise 9.4s | 20-140s: half-height crossings 137, merges 2, splits 0 | settle after off 5.1s | re-rise after on 15.1s --- seed 3 t= 60 heat=1.00 up>150: 0 meanY= 46 meanT=0.51 Trange=0.36-0.81 clusters=[30] t=100 heat=1.00 up>150: 0 meanY=110 meanT=0.45 Trange=0.38-0.49 clusters=[30] t=130 heat=1.00 up>150: 0 meanY= 89 meanT=0.41 Trange=0.38-0.44 clusters=[30] first rise 8.6s | 20-140s: half-height crossings 20, merges 2, splits 0 | settle after off 18.4s | re-rise after on 14.8s zsh:1: operation not permitted: [redacted:local-path] [system] status [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [thinking] I'll add a temperature-dependent bond so hot plumes can neck off, plus an ASCII view so I can see the actual shapes instead of guessing. [tool Edit] { "replace_all": false, "file_path": "[workspace]/index.html", "old_string": " const f = d < r0\n ? -P.KREP * (r0 - d) / r0\n : P.KATT * Math.sin(Math.PI * (d - r0) / (rmax - r0));", "new_string": " const tdiff = (T[j] - T[i]) / P.KDT;\n const f = d < r0\n ? -P.KREP * (r0 - d) / r0\n : P.KATT * Math.sin(Math.PI * (d - r0) / (rmax - r0)) / (1 + tdiff * tdiff);" } [tool result] The file [workspace]/index.html has been updated successfully. (file state is current in your context — no need to Read it back) [tool Edit] { "replace_all": false, "file_path": "[workspace]/index.html", "old_string": " KATT: 70, // cohesion that holds a blob together", "new_string": " KATT: 70, // cohesion that holds a blob together\n KDT: 0.12, // hot wax only weakly sticks to cold wax, so warm plumes can neck off" } [tool result] The file [workspace]/index.html has been updated successfully. (file state is current in your context — no need to Read it back) [tool Write] { "file_path": "[workspace]/.scratch/ascii.js", "content": "// Prints ASCII snapshots of the glass: digits = particle temperature (0-9), '.' = inside glass.\nconst fs = require('fs');\nconst html = fs.readFileSync(process.argv[2], 'utf8');\nconst src = html.split('/**/')[1].split('/**/')[0];\nconst overrides = process.argv[3] ? JSON.parse(process.argv[3]) : {};\nconst times = (process.argv[4] || '30,34,38,42,46,50').split(',').map(Number);\nconst { createSim, GH, wallOuter } = new Function(src + '; Object.assign(P, ' + JSON.stringify(overrides) + '); return { createSim, GH, wallOuter };')();\nconst sim = createSim(30, +(process.argv[5] || 1));\nlet t = 0;\nconst dt = 1 / 120;\nconst frames = [];\nconst ROWS = 32, COLS = 16;\nfor (const target of times) {\n while (t < target) { sim.step(dt, 1, t); t += dt; }\n const g = [];\n for (let r = 0; r < ROWS; r++) {\n const y = GH * (1 - (r + 0.5) / ROWS);\n let line = '';\n for (let c = 0; c < COLS; c++) {\n const x = -72 + (c + 0.5) / COLS * 144;\n line += Math.abs(x) < wallOuter(y) ? '.' : ' ';\n }\n g.push(line.split(''));\n }\n for (let i = 0; i < sim.n; i++) {\n const r = Math.min(ROWS - 1, Math.max(0, Math.floor((1 - sim.y[i] / GH) * ROWS)));\n const c = Math.min(COLS - 1, Math.max(0, Math.floor((sim.x[i] + 72) / 144 * COLS)));\n g[r][c] = String(Math.min(9, Math.max(0, Math.round(sim.T[i] * 10))));\n }\n frames.push([`t=${target}`.padEnd(COLS)].concat(g.map(l => l.join(''))));\n}\nfor (let r = 0; r <= ROWS; r++) console.log(frames.map(f => f[r]).join(' '));\n" } [tool result] File created successfully at: [workspace]/.scratch/ascii.js (file state is current in your context — no need to Read it back) [tool Bash] { "command": "cd .scratch && node ascii.js ../index.html '{\"Q\":0.3,\"LAMBDA\":20,\"COND\":0.1,\"KATT\":30,\"BUOY\":300,\"VISC\":1.5,\"KDT\":100}' 20,24,28,32,36,40,44 2>&1 | grep -v \"not permitted\"; echo; node ascii.js ../index.html '{\"Q\":0.3,\"LAMBDA\":20,\"COND\":0.1,\"KATT\":30,\"BUOY\":300,\"VISC\":1.5,\"KDT\":0.12}' 20,24,28,32,36,40,44 2>&1 | grep -v \"not permitted\"", "description": "ASCII snapshots with and without bond weakening", "timeout": 120000 } [tool result] t=20 t=24 t=28 t=32 t=36 t=40 t=44 ........ ........ ........ ........ ........ ........ ........ .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... ............ ............ ............ ............ ............ ............ ............ .....444.... ............ ............ ............ ............ ............ ....554..... ...4444.4... ............ ............ ............ ............ ............ ...65.5..... ...444444... ............ ............ ............ ............ ............ ..5.66.4.... .....4444.4... ......4....... .............. .............. .............. .............. ....66665..... ....4.44...... .....4444..... .............. .............. .............. .............. .....66.6..... ....44444..... ....444444.... .............. .............. .............. .............. .............. .....4........ ....444444.... .............. .............. .............. .............. .......65..... .............. ....4.444.4... .............. .............. .............. ....555....... .............. .............. ......444..... .............. .............. .............. ....6664...... .......55..... ................ .....444........ .......333...... ................ ................ ...7..7775...... ........54...... ................ ................ .....443443..... ................ ................ ....7.87.65..... ........5....... ................ ................ .....444444..... ................ ................ .......8.65..... .........4...... ................ ................ .......4443..... ................ ................ ........755..... ..........4..... ................ ................ ......44433..... ................ ................ .........6...... ................ ................ ................ .....3.33....... ................ ................ ........655..... ................ ................ ................ ......3......... .......3........ ........4....... ..........5..... ................ .............. .............. .............. .....3333..... .....545...... .............. .............. .............. .............. .............. ....344333.... ....6.65554... .............. .............. .............. .............. .............. ....44.44..... ...6.776665... .............. .............. .............. .............. .............. ....444.44.... ...8999..86... .............. .............. ............ ............ ............ ....4454.... .....99..... ............ ............ ............ ............ ............ ...4455..... ............ ............ ............ .......... .......... .......... .......... .......... .......... .......... t=20 t=24 t=28 t=32 t=36 t=40 t=44 ........ ........ ........ ........ ........ ........ ........ .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... ...44..... .......... .......... .......... .......... .......... .......... ...44444.... ............ ............ ............ ............ ............ ............ ....44.4.... ............ ............ ............ ............ ............ ............ ...44444.... ............ ............ ............ ............ ............ ............ ...44.4..... .....4...... ............ ............ ............ ............ ............ .....4........ .....4443..... .............. .............. .............. .............. .............. .............. ....444.4..... .............. .............. .............. .............. .............. .............. ....44444..... .............. .............. .............. .............. .............. .............. .....444...... .............. .............. .............. .............. .............. .............. .............. ......3....... .............. .............. .............. .............. .............. .............. .....333...... .............. .............. .............. .............. ................ ................ .....33.33...... ................ ................ ................ ........4....... ................ ................ .....43333...... ................ ................ ................ .....544.444.... ................ ................ ....6.4333...... ................ ................ ................ ....5555554..... .........4.4.... ................ .....5.3........ .......3........ ................ ................ ....6666565.4... .........444.... ................ ......5......... ......333.3..... ................ .........4...... ...67.776666.... .........44..... ................ ................ ....533.345..... ................ .......45555.... ................ .........4...... ................ ................ ...44.34.455.... .........45..... ......44555..... ................ .............. .............. .............. ....4445.65... .........55... ....5556676... .............. ....4......... ........44.... .............. ....4456...... .....34.45.... ...5677768.... .............. ....4......... ....65.44.4... .......656.... ....4......... .....4.456.... ..6.778....... .............. .............. ...8....44.... .......66.6... .............. ...445546..... ...8.......... .............. ...4........ .......4.... .......76... ............ ..55566..... ............ ............ ............ ............ ............ ............ ...5.6...... ............ ............ .......... .......... .......... .......... .......... .......... .......... zsh:1: operation not permitted: [redacted:local-path] [system] status [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [thinking] The pool was lifting as one stalled mass since buoyancy triggers too early. I'll sharpen the buoyancy transition with tanh, concentrate the coil's heat at the center, and slow cooling so blobs rise fully. [tool Edit] { "replace_all": false, "file_path": "[workspace]/index.html", "old_string": " const flicker = 0.7 + 0.3 * (1 + Math.sin(time * om[i] + ph[i]));\n const heatIn = heat * P.Q * Math.exp(-yi / P.LAMBDA) * flicker * (1 - 0.45 * u * u);\n const cool = (P.KC / (1 + P.NB * nw[i]) + P.KTOP * Math.exp((yi - GH) / 30)) * (T[i] - P.TAMB);\n T[i] = Math.min(1.2, Math.max(0, T[i] + ((heatIn - cool) * sz + dT[i]) * dt));\n\n const b = Math.max(-P.BMAX, Math.min(P.BMAX, T[i] - P.T0));", "new_string": " const flicker = 0.7 + 0.3 * (1 + Math.sin(time * om[i] + ph[i]));\n const heatIn = heat * P.Q * Math.exp(-yi / P.LAMBDA - u * u / P.CW) * flicker;\n const cool = (P.KC / (1 + P.NB * nw[i]) + P.KTOP * Math.exp((yi - GH) / 30)) * (T[i] - P.TAMB);\n T[i] = Math.min(1.2, Math.max(0, T[i] + ((heatIn - cool) * sz + dT[i]) * dt));\n\n const b = P.BMAX * Math.tanh((T[i] - P.T0) / P.BW);" } [tool result] The file [workspace]/index.html has been updated successfully. (file state is current in your context — no need to Read it back) [tool Edit] { "replace_all": false, "file_path": "[workspace]/index.html", "old_string": " BMAX: 0.32, // cap on |T - T0| used for buoyancy", "new_string": " BMAX: 0.32, // buoyancy saturates at this temperature difference...\n BW: 0.1, // ...and switches over this width, so blobs commit to rising or sinking" } [tool result] The file [workspace]/index.html has been updated successfully. (file state is current in your context — no need to Read it back) [tool Edit] { "replace_all": false, "file_path": "[workspace]/index.html", "old_string": " LAMBDA: 30, // how far the coil heat reaches up", "new_string": " LAMBDA: 30, // how far the coil heat reaches up\n CW: 0.3, // how far the coil heat reaches sideways" } [tool result] The file [workspace]/index.html has been updated successfully. (file state is current in your context — no need to Read it back) [tool Bash] { "command": "cd .scratch && for o in '{\"Q\":0.3,\"LAMBDA\":20,\"COND\":0.1,\"KATT\":30,\"BUOY\":300,\"VISC\":1.5,\"KC\":0.04,\"NB\":0.3,\"KTOP\":0.5}' '{\"Q\":0.4,\"LAMBDA\":18,\"COND\":0.08,\"KATT\":35,\"BUOY\":320,\"VISC\":1.5,\"KC\":0.035,\"NB\":0.3,\"KTOP\":0.6,\"KDT\":0.08}' '{\"Q\":0.3,\"LAMBDA\":20,\"COND\":0.15,\"KATT\":45,\"BUOY\":300,\"VISC\":2,\"KC\":0.03,\"NB\":0.4,\"KTOP\":0.5,\"KDT\":0.1}'; do echo \"=== $o\"; node simtest.js ../index.html \"$o\" 2>&1 | grep -E \"seed|first rise|t= 60|t= 80|t=100|t=130\"; done", "description": "Sweep parameters with sharper buoyancy", "timeout": 300000 } [tool error] Exit code 1 === {"Q":0.3,"LAMBDA":20,"COND":0.1,"KATT":30,"BUOY":300,"VISC":1.5,"KC":0.04,"NB":0.3,"KTOP":0.5} --- seed 1 t= 60 heat=1.00 up>150:19 meanY=133 meanT=0.40 Trange=0.32-0.47 clusters=[19,6,5] t= 80 heat=1.00 up>150:26 meanY=163 meanT=0.40 Trange=0.31-0.56 clusters=[26,2,1,1] t=100 heat=1.00 up>150:20 meanY=145 meanT=0.41 Trange=0.31-0.56 clusters=[24,5,1] t=130 heat=1.00 up>150: 0 meanY= 67 meanT=0.62 Trange=0.47-0.98 clusters=[28,2] first rise 7.0s | 20-140s: half-height crossings 255, merges 30, splits 31 | settle after off 4.7s | re-rise after on 9.7s --- seed 2 t= 60 heat=1.00 up>150:19 meanY=154 meanT=0.42 Trange=0.33-0.48 clusters=[30] t= 80 heat=1.00 up>150:21 meanY=150 meanT=0.42 Trange=0.32-0.53 clusters=[21,3,3,3] t=100 heat=1.00 up>150:19 meanY=149 meanT=0.42 Trange=0.30-0.48 clusters=[19,8,3] t=130 heat=1.00 up>150: 0 meanY= 54 meanT=0.60 Trange=0.47-0.84 clusters=[30] first rise 7.3s | 20-140s: half-height crossings 265, merges 19, splits 23 | settle after off 5.7s | re-rise after on 9.9s --- seed 3 t= 60 heat=1.00 up>150:25 meanY=183 meanT=0.52 Trange=0.45-0.60 clusters=[28,2] t= 80 heat=1.00 up>150: 2 meanY=116 meanT=0.56 Trange=0.47-0.73 clusters=[29,1] t=100 heat=1.00 up>150: 0 meanY= 48 meanT=0.60 Trange=0.44-0.86 clusters=[30] t=130 heat=1.00 up>150:22 meanY=223 meanT=0.48 Trange=0.40-0.53 clusters=[22,5,3] first rise 6.7s | 20-140s: half-height crossings 250, merges 23, splits 20 | settle after off 0.0s | re-rise after on 10.4s === {"Q":0.4,"LAMBDA":18,"COND":0.08,"KATT":35,"BUOY":320,"VISC":1.5,"KC":0.035,"NB":0.3,"KTOP":0.6,"KDT":0.08} --- seed 1 t= 60 heat=1.00 up>150: 0 meanY= 54 meanT=0.41 Trange=0.31-0.58 clusters=[30] t= 80 heat=1.00 up>150: 0 meanY= 47 meanT=0.41 Trange=0.33-0.48 clusters=[30] t=100 heat=1.00 up>150: 0 meanY= 25 meanT=0.47 Trange=0.37-0.63 clusters=[30] t=130 heat=1.00 up>150:19 meanY=188 meanT=0.49 Trange=0.42-0.58 clusters=[9,8,7,4,2] first rise 6.2s | 20-140s: half-height crossings 290, merges 27, splits 28 | settle after off 25.2s | re-rise after on 9.0s --- seed 2 t= 60 heat=1.00 up>150:12 meanY=136 meanT=0.44 Trange=0.37-0.53 clusters=[14,11,3,1,1] t= 80 heat=1.00 up>150: 5 meanY=132 meanT=0.42 Trange=0.31-0.61 clusters=[28,1,1] t=100 heat=1.00 up>150:13 meanY=136 meanT=0.40 Trange=0.31-0.53 clusters=[22,6,1,1] t=130 heat=1.00 up>150:28 meanY=183 meanT=0.59 Trange=0.48-0.80 clusters=[28,2] first rise 6.4s | 20-140s: half-height crossings 257, merges 49, splits 46 | settle after off 2.4s | re-rise after on 8.7s --- seed 3 t= 60 heat=1.00 up>150:23 meanY=167 meanT=0.41 Trange=0.35-0.50 clusters=[23,4,3] t= 80 heat=1.00 up>150:18 meanY=149 meanT=0.40 Trange=0.29-0.51 clusters=[27,1,1,1] t=100 heat=1.00 up>150: 8 meanY=115 meanT=0.42 Trange=0.30-0.52 clusters=[16,9,5] t=130 heat=1.00 up>150: 8 meanY=134 meanT=0.57 Trange=0.45-0.89 clusters=[28,2] first rise 6.0s | 20-140s: half-height crossings 268, merges 29, splits 29 | settle after off 3.1s | re-rise after on 8.6s === {"Q":0.3,"LAMBDA":20,"COND":0.15,"KATT":45,"BUOY":300,"VISC":2,"KC":0.03,"NB":0.4,"KTOP":0.5,"KDT":0.1} --- seed 1 t= 60 heat=1.00 up>150:26 meanY=163 meanT=0.40 Trange=0.30-0.50 clusters=[30] t= 80 heat=1.00 up>150:26 meanY=172 meanT=0.39 Trange=0.33-0.47 clusters=[27,3] t=100 heat=1.00 up>150:21 meanY=154 meanT=0.40 Trange=0.31-0.48 clusters=[27,3] t=130 heat=1.00 up>150: 0 meanY= 94 meanT=0.61 Trange=0.48-0.87 clusters=[24,6] first rise 7.0s | 20-140s: half-height crossings 312, merges 10, splits 10 | settle after off 5.0s | re-rise after on 9.0s --- seed 2 t= 60 heat=1.00 up>150:30 meanY=203 meanT=0.42 Trange=0.32-0.53 clusters=[24,6] t= 80 heat=1.00 up>150:28 meanY=227 meanT=0.40 Trange=0.32-0.47 clusters=[25,3,2] t=100 heat=1.00 up>150:27 meanY=231 meanT=0.40 Trange=0.33-0.47 clusters=[27,3] t=130 heat=1.00 up>150: 0 meanY= 45 meanT=0.64 Trange=0.47-1.02 clusters=[30] first rise 7.4s | 20-140s: half-height crossings 332, merges 9, splits 11 | settle after off 5.6s | re-rise after on 9.6s --- seed 3 t= 60 heat=1.00 up>150:30 meanY=203 meanT=0.40 Trange=0.32-0.47 clusters=[30] t= 80 heat=1.00 up>150:30 meanY=221 meanT=0.41 Trange=0.34-0.48 clusters=[30] t=100 heat=1.00 up>150:30 meanY=261 meanT=0.41 Trange=0.33-0.47 clusters=[30] t=130 heat=1.00 up>150: 0 meanY= 24 meanT=0.50 Trange=0.42-0.69 clusters=[30] first rise 6.8s | 20-140s: half-height crossings 332, merges 5, splits 6 | settle after off 9.1s | re-rise after on 9.2s zsh:1: operation not permitted: [redacted:local-path] [system] status [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [assistant] Now there are 20–50 merges and splits per two minutes, but the wax still tends to move in sync: all 30 particles at the top, then all at the bottom. Checking the ASCII frames to see why. [tool Bash] { "command": "cd .scratch && node ascii.js ../index.html '{\"Q\":0.4,\"LAMBDA\":18,\"COND\":0.08,\"KATT\":35,\"BUOY\":320,\"VISC\":1.5,\"KC\":0.035,\"NB\":0.3,\"KTOP\":0.6,\"KDT\":0.08}' 60,64,68,72,76,80,84,88 1 2>&1 | grep -v \"not permitted\"", "description": "ASCII snapshots for the promising parameter set", "timeout": 120000 } [tool result] t=60 t=64 t=68 t=72 t=76 t=80 t=84 t=88 ........ ........ ........ ........ ........ ........ ........ ........ .......... .......... .......... ..44444... .......... .......... .......... .......... .......... .......... .......... ..54.54... .......... .......... .......... .......... .......... .......... .......... .....54... .......... .......... .......... .......... .......... .......... .......... .....55... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... ......7... .......... .......... .......... .......... .......... .......... .......... ....6.77.. ............ ............ ............ ............ ............ ............ ............ ...56778.... ............ ............ ............ .......55... ............ ............ ............ ...566...... ............ ............ ............ ..5.....55.. ............ ............ ............ ...66....... ............ ............ ....7.6..... .555....5... ............ ............ ............ ...56....... .............. .............. ...568776..... ..55.......... .............. .............. .............. ....56........ .............. .............. .....77765.... ..55.....5.... .....33.33.... .............. .............. .............. .............. .............. ...5..8..65... ........5..... ..5.333444.4.. .............. .............. .............. .............. .............. ...66...665... .........5.... .4.5.44.4.44.. .............. .............. .............. .............. .............. ..56......5... .............. ..55....554... .............. .............. .............. .............. .............. ..56.......... .............. ...4....54.... .............. .............. .............. ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ..........55.... ................ ................ ................ ................ ................ ................ ................ ..........65.... ................ ................ ................ ................ ................ ................ ................ ..........6..... ................ ................ ................ ................ ................ ................ .......5........ ....6........... ................ ................ ................ ................ ................ ................ .....56.6....... ................ ......3334...... .....4.......... ..........65.... ................ ................ ................ .....67..7...... ...........5.... ...4.3334444.. ..5555665..... .........6.... .............. .............. ...4.3334..... ....6778..5... .........5.... ...54.444.44.. ..66.77.65.... .............. .............. .............. ..444444444... ...66.897.55.. ..........5... ...55544.44... ...7.897865... .............. .............. .............. ..44444.44.4.. ...6.....865.. .............. ....565....... ......9866.... .............. .............. .............. ...4..44544... ..5.6......... ..5........... ............ ........65.. ............ ............ ............ ........5... ..5......65. ..5......... ............ ............ ............ ............ ............ ............ .5........5. ............ .......... ........54 .......... .......... .......... .......... .......... .......... zsh:1: operation not permitted: [redacted:local-path] [system] status [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [thinking] I'll narrow the hot spot at the coil and speed up pool cooling so only the wax directly over the coil becomes buoyant, while keeping the rising blob hot enough to reach the top. [tool Bash] { "command": "cd .scratch && for o in '{\"Q\":0.35,\"LAMBDA\":16,\"CW\":0.12,\"COND\":0.08,\"KATT\":35,\"BUOY\":320,\"VISC\":1.5,\"KC\":0.08,\"NB\":0.3,\"KTOP\":0.5,\"KDT\":0.08}' '{\"Q\":0.45,\"LAMBDA\":16,\"CW\":0.15,\"COND\":0.1,\"KATT\":40,\"BUOY\":300,\"VISC\":1.5,\"KC\":0.1,\"NB\":0.4,\"KTOP\":0.5,\"KDT\":0.08}' '{\"Q\":0.35,\"LAMBDA\":20,\"CW\":0.1,\"COND\":0.06,\"KATT\":30,\"BUOY\":320,\"VISC\":1.2,\"KC\":0.07,\"NB\":0.35,\"KTOP\":0.6,\"KDT\":0.07}'; do echo \"=== $o\"; node simtest.js ../index.html \"$o\" 2>&1 | grep -E \"seed|first rise|t= 60|t= 80|t=100|t=130\"; done", "description": "Sweep with a narrower coil hot spot", "timeout": 300000 } [tool error] Exit code 1 === {"Q":0.35,"LAMBDA":16,"CW":0.12,"COND":0.08,"KATT":35,"BUOY":320,"VISC":1.5,"KC":0.08,"NB":0.3,"KTOP":0.5,"KDT":0.08} --- seed 1 t= 60 heat=1.00 up>150: 2 meanY= 77 meanT=0.45 Trange=0.31-0.60 clusters=[13,12,4,1] t= 80 heat=1.00 up>150:11 meanY=102 meanT=0.44 Trange=0.31-0.56 clusters=[16,11,2,1] t=100 heat=1.00 up>150: 8 meanY=108 meanT=0.46 Trange=0.33-0.69 clusters=[12,11,4,2,1] t=130 heat=1.00 up>150: 0 meanY= 30 meanT=0.54 Trange=0.37-1.09 clusters=[30] first rise 7.6s | 20-140s: half-height crossings 146, merges 104, splits 106 | settle after off 5.4s | re-rise after on 11.5s --- seed 2 t= 60 heat=1.00 up>150: 1 meanY= 96 meanT=0.41 Trange=0.29-0.51 clusters=[19,7,2,2] t= 80 heat=1.00 up>150: 0 meanY= 86 meanT=0.42 Trange=0.31-0.56 clusters=[25,3,2] t=100 heat=1.00 up>150: 5 meanY=104 meanT=0.42 Trange=0.30-0.60 clusters=[18,6,3,3] t=130 heat=1.00 up>150: 0 meanY= 56 meanT=0.52 Trange=0.32-0.67 clusters=[18,11,1] first rise 7.9s | 20-140s: half-height crossings 202, merges 91, splits 92 | settle after off 4.6s | re-rise after on 13.7s --- seed 3 t= 60 heat=1.00 up>150: 4 meanY=107 meanT=0.45 Trange=0.30-0.59 clusters=[24,4,2] t= 80 heat=1.00 up>150: 7 meanY=105 meanT=0.45 Trange=0.34-0.63 clusters=[11,7,7,3,2] t=100 heat=1.00 up>150:16 meanY=136 meanT=0.44 Trange=0.34-0.58 clusters=[16,9,2,2,1] t=130 heat=1.00 up>150: 0 meanY= 35 meanT=0.53 Trange=0.38-1.02 clusters=[30] first rise 7.0s | 20-140s: half-height crossings 171, merges 91, splits 92 | settle after off 7.2s | re-rise after on 12.2s === {"Q":0.45,"LAMBDA":16,"CW":0.15,"COND":0.1,"KATT":40,"BUOY":300,"VISC":1.5,"KC":0.1,"NB":0.4,"KTOP":0.5,"KDT":0.08} --- seed 1 t= 60 heat=1.00 up>150: 3 meanY= 81 meanT=0.45 Trange=0.31-0.63 clusters=[8,8,7,3,3,1] t= 80 heat=1.00 up>150:11 meanY= 94 meanT=0.45 Trange=0.34-0.60 clusters=[14,11,2,2,1] t=100 heat=1.00 up>150: 5 meanY= 66 meanT=0.46 Trange=0.38-0.68 clusters=[21,5,2,1,1] t=130 heat=1.00 up>150: 0 meanY= 45 meanT=0.56 Trange=0.37-0.85 clusters=[30] first rise 6.9s | 20-140s: half-height crossings 111, merges 78, splits 81 | settle after off 5.1s | re-rise after on 11.2s --- seed 2 t= 60 heat=1.00 up>150: 0 meanY= 75 meanT=0.42 Trange=0.33-0.63 clusters=[25,3,2] t= 80 heat=1.00 up>150: 0 meanY= 71 meanT=0.44 Trange=0.33-0.63 clusters=[15,9,5,1] t=100 heat=1.00 up>150: 0 meanY= 73 meanT=0.47 Trange=0.36-0.85 clusters=[23,3,3,1] t=130 heat=1.00 up>150: 0 meanY= 69 meanT=0.58 Trange=0.37-0.89 clusters=[19,7,4] first rise 6.9s | 20-140s: half-height crossings 154, merges 75, splits 75 | settle after off 3.4s | re-rise after on 10.4s --- seed 3 t= 60 heat=1.00 up>150: 9 meanY=111 meanT=0.42 Trange=0.35-0.58 clusters=[15,10,2,2,1] t= 80 heat=1.00 up>150: 9 meanY=109 meanT=0.41 Trange=0.31-0.57 clusters=[18,6,3,2,1] t=100 heat=1.00 up>150: 8 meanY= 97 meanT=0.41 Trange=0.33-0.57 clusters=[14,11,2,1,1,1] t=130 heat=1.00 up>150: 3 meanY= 72 meanT=0.55 Trange=0.37-0.93 clusters=[11,10,9] first rise 6.6s | 20-140s: half-height crossings 196, merges 90, splits 90 | settle after off 3.9s | re-rise after on 12.7s === {"Q":0.35,"LAMBDA":20,"CW":0.1,"COND":0.06,"KATT":30,"BUOY":320,"VISC":1.2,"KC":0.07,"NB":0.35,"KTOP":0.6,"KDT":0.07} --- seed 1 t= 60 heat=1.00 up>150:16 meanY=117 meanT=0.51 Trange=0.30-0.78 clusters=[17,8,4,1] t= 80 heat=1.00 up>150: 1 meanY= 77 meanT=0.54 Trange=0.29-0.73 clusters=[14,13,3] t=100 heat=1.00 up>150: 0 meanY= 48 meanT=0.52 Trange=0.27-0.86 clusters=[30] t=130 heat=1.00 up>150:16 meanY=124 meanT=0.42 Trange=0.27-0.58 clusters=[21,6,2,1] first rise 6.5s | 20-140s: half-height crossings 216, merges 143, splits 140 | settle after off 15.7s | re-rise after on 10.9s --- seed 2 t= 60 heat=1.00 up>150:13 meanY=109 meanT=0.46 Trange=0.25-0.64 clusters=[13,6,3,3,2,2,1] t= 80 heat=1.00 up>150:12 meanY=125 meanT=0.46 Trange=0.31-0.61 clusters=[11,6,6,3,1,1,1,1] t=100 heat=1.00 up>150: 4 meanY= 99 meanT=0.50 Trange=0.28-0.63 clusters=[21,5,3,1] t=130 heat=1.00 up>150: 3 meanY= 88 meanT=0.45 Trange=0.33-0.64 clusters=[19,6,3,2] first rise 6.6s | 20-140s: half-height crossings 183, merges 171, splits 171 | settle after off 14.0s | re-rise after on 10.4s --- seed 3 t= 60 heat=1.00 up>150:17 meanY=139 meanT=0.47 Trange=0.27-0.70 clusters=[17,7,4,2] t= 80 heat=1.00 up>150:13 meanY=116 meanT=0.47 Trange=0.27-0.65 clusters=[13,8,4,2,2,1] t=100 heat=1.00 up>150: 4 meanY= 86 meanT=0.47 Trange=0.29-0.78 clusters=[17,5,4,1,1,1,1] t=130 heat=1.00 up>150: 0 meanY= 55 meanT=0.50 Trange=0.28-0.76 clusters=[21,9] first rise 6.1s | 20-140s: half-height crossings 209, merges 193, splits 194 | settle after off 12.4s | re-rise after on 11.3s zsh:1: operation not permitted: [redacted:local-path] [system] status [system] thinking_tokens [system] thinking_tokens [assistant] Much better: 3 to 8 separate blobs at a time and 140–190 merges and splits per two minutes. Checking the third set visually. [tool Bash] { "command": "cd .scratch && node ascii.js ../index.html '{\"Q\":0.35,\"LAMBDA\":20,\"CW\":0.1,\"COND\":0.06,\"KATT\":30,\"BUOY\":320,\"VISC\":1.2,\"KC\":0.07,\"NB\":0.35,\"KTOP\":0.6,\"KDT\":0.07}' 60,63,66,69,72,75,78,81 2 2>&1 | grep -v \"not permitted\"", "description": "ASCII snapshots for the lively parameter set", "timeout": 120000 } [tool result] t=60 t=63 t=66 t=69 t=72 t=75 t=78 t=81 ........ ........ ........ ........ ........ ........ ........ ........ .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... ..54...... .......... .......... .......... .......... .......... .......... .......... ...5...... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .....4.... ............ ............ ............ ............ ............ ............ ...5655..... .....44..... ............ ............ ............ ............ ............ ..........5. ...7.5...... ............ ............ ............ ............ .......5.... ............ ............ ....6....... ..4......... ...55....... ............ ............ ............ ............ ............ ............ ............ ....55........ .....5........ .............. ........4..... .........4.... .............. ...........4.. ....5.55...... ......5...55.. ....555....... .......55..... .......55..... .............. .............. .............. .....6........ ....555....... ...45.55...... .......56..... ........5..... .............. .....5........ .............. ......5....... ......5....... ...44......... .............. .............. .......4.4.... .....5........ .............. .............. .......4..4... .............. .............. .............. ......455..... ......6.4..... ......5....... .....54....... .......4...... .............. .....44....... .............. .......5...... ......65.44... ......6....... .............. ................ .........5...... .....444........ ................ ................ .......6..45.... ......554....... ................ .......5........ .........6.4.... .....4.4........ ................ ................ .......87.5..... ......67.4...... ................ ................ ......446...4... ......4......... ........6....... ........5....... .........5...... ........5.4..... .......6........ ................ .......4........ .....4.......... .........5...... .......6..6..... ................ .........54..... ................ .....45......... .......5........ ................ ................ ........6....... ................ .........644.... ............4... .....4.......... .........7...... ................ ................ ................ ......5......... ...........4.... ........4....... ................ ................ .........6...... ......4......... ................ .......6........ ................ ................ .......6...... .............. ......4....... ...44445...... .......6...... ......7....... .............. .......54..... .......6...... .............. .....4.4...... ...44.767..... .......7...... .............. .............. ........54.... .............. ..........4... .....577.6.... .....47....... .......75..... .............. .....6........ .........4.... .......6..4... .............. .............. ....44........ ....5.5....... .............. .............. .....6........ ........4... ...4........ ............ ....5....... ...4..9..... ...5.6...... ............ ........4... ........5... ....4...5... .........4.. ........5... .44457...... ..4...76.... .....6...... .......4.4.. 33....5.43 .33...5443 .335..5.43 .345..54.3 34.4..4.3. 33.4...3.. 33.5...3.. .33....4.. zsh:1: operation not permitted: [redacted:local-path] [system] status [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [thinking] The simulation looks lively but too fragmented—mostly small 1–4 particle blobs that rarely rise high since the coil stays barely warm. I'll add summary metrics to help tune it toward a lamp-like spread with a bottom pool, a few large blobs, and some reaching the cap. [tool Bash] { "command": "cd .scratch && python3 - <<'EOF'\nimport re\np='simtest.js'\ns=open(p).read()\ns=s.replace(\"let firstRise = null, settled = null, reRise = null;\",\"let firstRise = null, settled = null, reRise = null; let nC=0,sC=0,sMax=0,topQ=0,botQ=0,samples=0;\")\ns=s.replace(\" const c = clusters(sim).length;\",\" const cl0 = clusters(sim); const c = cl0.length;\\n if (t > 20 && t < 140) { samples++; sC += c; sMax += cl0[0]; topQ += Array.from(sim.y).filter(v => v > GH*0.75).length/N; botQ += Array.from(sim.y).filter(v => v < GH*0.25).length/N; }\")\ns=s.replace(\"console.log(`first rise\",\"console.log(`avg clusters ${(sC/samples).toFixed(1)} avg largest ${(sMax/samples).toFixed(1)} top25% ${(100*topQ/samples).toFixed(0)}% bottom25% ${(100*botQ/samples).toFixed(0)}%`);\\n console.log(`first rise\")\nopen(p,'w').write(s)\nEOF\nfor o in '{\"Q\":0.35,\"LAMBDA\":20,\"CW\":0.1,\"COND\":0.06,\"KATT\":30,\"BUOY\":320,\"VISC\":1.2,\"KC\":0.07,\"NB\":0.35,\"KTOP\":0.6,\"KDT\":0.07}' '{\"Q\":0.45,\"LAMBDA\":20,\"CW\":0.12,\"COND\":0.06,\"KATT\":40,\"BUOY\":320,\"VISC\":1.2,\"KC\":0.045,\"NB\":0.4,\"KTOP\":0.9,\"KDT\":0.08}' '{\"Q\":0.5,\"LAMBDA\":18,\"CW\":0.12,\"COND\":0.08,\"KATT\":45,\"BUOY\":340,\"VISC\":1.5,\"KC\":0.04,\"NB\":0.5,\"KTOP\":1.0,\"KDT\":0.09}'; do echo \"=== $o\"; node simtest.js ../index.html \"$o\" 2>&1 | grep -E \"avg|first rise\"; done", "description": "Add summary metrics and compare parameter sets", "timeout": 300000 } [system] task_started [system] task_notification [tool error] Exit code 1 (eval):1: can't create temp file for here document: operation not permitted === {"Q":0.35,"LAMBDA":20,"CW":0.1,"COND":0.06,"KATT":30,"BUOY":320,"VISC":1.2,"KC":0.07,"NB":0.35,"KTOP":0.6,"KDT":0.07} first rise 6.5s | 20-140s: half-height crossings 216, merges 143, splits 140 | settle after off 15.7s | re-rise after on 10.9s first rise 6.6s | 20-140s: half-height crossings 183, merges 171, splits 171 | settle after off 14.0s | re-rise after on 10.4s first rise 6.1s | 20-140s: half-height crossings 209, merges 193, splits 194 | settle after off 12.4s | re-rise after on 11.3s === {"Q":0.45,"LAMBDA":20,"CW":0.12,"COND":0.06,"KATT":40,"BUOY":320,"VISC":1.2,"KC":0.045,"NB":0.4,"KTOP":0.9,"KDT":0.08} first rise 5.8s | 20-140s: half-height crossings 260, merges 111, splits 111 | settle after off 2.9s | re-rise after on 8.0s first rise 5.9s | 20-140s: half-height crossings 269, merges 96, splits 98 | settle after off 9.6s | re-rise after on 9.1s first rise 5.6s | 20-140s: half-height crossings 276, merges 114, splits 115 | settle after off 21.0s | re-rise after on 8.3s === {"Q":0.5,"LAMBDA":18,"CW":0.12,"COND":0.08,"KATT":45,"BUOY":340,"VISC":1.5,"KC":0.04,"NB":0.5,"KTOP":1.0,"KDT":0.09} first rise 5.7s | 20-140s: half-height crossings 180, merges 43, splits 40 | settle after off 13.5s | re-rise after on 8.1s first rise 5.7s | 20-140s: half-height crossings 258, merges 50, splits 49 | settle after off 16.9s | re-rise after on 7.8s first rise 5.5s | 20-140s: half-height crossings 164, merges 43, splits 40 | settle after off 1.5s | re-rise after on 8.2s zsh:10: operation not permitted: [redacted:local-path] [system] status [assistant] The heredoc couldn't create a temp file in the sandbox, so I'll make the harness edits directly. [tool Edit] { "replace_all": false, "file_path": "[workspace]/.scratch/simtest.js", "old_string": " let firstRise = null, settled = null, reRise = null;", "new_string": " let firstRise = null, settled = null, reRise = null;\n let sC = 0, sMax = 0, topQ = 0, botQ = 0, samples = 0;" } [tool result] The file [workspace]/.scratch/simtest.js has been updated successfully. (file state is current in your context — no need to Read it back) [tool Edit] { "replace_all": false, "file_path": "[workspace]/.scratch/simtest.js", "old_string": " const c = clusters(sim).length;", "new_string": " const cl0 = clusters(sim), c = cl0.length;\n if (t > 20 && t < 140) {\n samples++; sC += c; sMax += cl0[0];\n topQ += Array.from(sim.y).filter(v => v > GH * 0.75).length / N;\n botQ += Array.from(sim.y).filter(v => v < GH * 0.25).length / N;\n }" } [tool result] The file [workspace]/.scratch/simtest.js has been updated successfully. (file state is current in your context — no need to Read it back) [tool Edit] { "replace_all": false, "file_path": "[workspace]/.scratch/simtest.js", "old_string": " console.log(`first rise", "new_string": " console.log(`avg clusters ${(sC / samples).toFixed(1)}, avg largest ${(sMax / samples).toFixed(1)}, top25% ${(100 * topQ / samples).toFixed(0)}%, bottom25% ${(100 * botQ / samples).toFixed(0)}%`);\n console.log(`first rise" } [tool result] The file [workspace]/.scratch/simtest.js has been updated successfully. (file state is current in your context — no need to Read it back) [tool Bash] { "command": "cd .scratch && for o in '{\"Q\":0.35,\"LAMBDA\":20,\"CW\":0.1,\"COND\":0.06,\"KATT\":30,\"BUOY\":320,\"VISC\":1.2,\"KC\":0.07,\"NB\":0.35,\"KTOP\":0.6,\"KDT\":0.07}' '{\"Q\":0.45,\"LAMBDA\":20,\"CW\":0.12,\"COND\":0.06,\"KATT\":40,\"BUOY\":320,\"VISC\":1.2,\"KC\":0.045,\"NB\":0.4,\"KTOP\":0.9,\"KDT\":0.08}' '{\"Q\":0.5,\"LAMBDA\":18,\"CW\":0.12,\"COND\":0.08,\"KATT\":45,\"BUOY\":340,\"VISC\":1.5,\"KC\":0.04,\"NB\":0.5,\"KTOP\":1.0,\"KDT\":0.09}'; do echo \"=== $o\"; node simtest.js ../index.html \"$o\" 2>&1 | grep -E \"^avg\"; done", "description": "Compare parameter sets with summary metrics", "timeout": 300000 } [system] task_started [system] task_notification [tool error] Exit code 1 === {"Q":0.35,"LAMBDA":20,"CW":0.1,"COND":0.06,"KATT":30,"BUOY":320,"VISC":1.2,"KC":0.07,"NB":0.35,"KTOP":0.6,"KDT":0.07} avg clusters 4.2, avg largest 19.2, top25% 5%, bottom25% 48% avg clusters 4.8, avg largest 16.8, top25% 2%, bottom25% 49% avg clusters 4.8, avg largest 15.7, top25% 3%, bottom25% 45% === {"Q":0.45,"LAMBDA":20,"CW":0.12,"COND":0.06,"KATT":40,"BUOY":320,"VISC":1.2,"KC":0.045,"NB":0.4,"KTOP":0.9,"KDT":0.08} avg clusters 4.6, avg largest 19.2, top25% 7%, bottom25% 42% avg clusters 4.0, avg largest 20.4, top25% 3%, bottom25% 38% avg clusters 4.6, avg largest 19.9, top25% 9%, bottom25% 41% === {"Q":0.5,"LAMBDA":18,"CW":0.12,"COND":0.08,"KATT":45,"BUOY":340,"VISC":1.5,"KC":0.04,"NB":0.5,"KTOP":1.0,"KDT":0.09} avg clusters 2.6, avg largest 23.9, top25% 2%, bottom25% 33% avg clusters 3.2, avg largest 22.6, top25% 7%, bottom25% 41% avg clusters 2.4, avg largest 25.6, top25% 3%, bottom25% 33% zsh:1: operation not permitted: [redacted:local-path] [system] status [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [assistant] Only 2–9% of the wax ever reaches the top quarter. I'll bin temperature and velocity by height to see where rising blobs lose their lift. [tool Write] { "file_path": "[workspace]/.scratch/profile.js", "content": "// Average temperature / vertical speed / occupancy by height band, split into rising and sinking particles.\nconst fs = require('fs');\nconst html = fs.readFileSync(process.argv[2], 'utf8');\nconst src = html.split('/**/')[1].split('/**/')[0];\nconst overrides = process.argv[3] ? JSON.parse(process.argv[3]) : {};\nconst { createSim, GH } = new Function(src + '; Object.assign(P, ' + JSON.stringify(overrides) + '); return { createSim, GH };')();\nconst B = 6, acc = Array.from({ length: B }, () => ({ n: 0, up: 0, Tup: 0, Tdn: 0, vup: 0, vdn: 0 }));\nfor (const seed of [1, 2, 3]) {\n const sim = createSim(30, seed);\n const py = new Float32Array(30);\n let t = 0;\n const dt = 1 / 120;\n for (let k = 0; k < 150 * 120; k++) {\n py.set(sim.y);\n sim.step(dt, 1, t); t += dt;\n if (t > 20 && k % 6 === 0) for (let i = 0; i < 30; i++) {\n const b = Math.min(B - 1, Math.floor(sim.y[i] / GH * B)), a = acc[b], v = (sim.y[i] - py[i]) / dt;\n a.n++;\n if (v > 0) { a.up++; a.Tup += sim.T[i]; a.vup += v; } else { a.Tdn += sim.T[i]; a.vdn += v; }\n }\n }\n}\nconst tot = acc.reduce((s, a) => s + a.n, 0);\nfor (let b = B - 1; b >= 0; b--) {\n const a = acc[b], dn = a.n - a.up;\n console.log(`y ${(b * GH / B).toFixed(0).padStart(3)}-${((b + 1) * GH / B).toFixed(0).padStart(3)} occ ${(100 * a.n / tot).toFixed(0).padStart(2)}% rising: T ${(a.Tup / a.up || 0).toFixed(2)} v ${(a.vup / a.up || 0).toFixed(0).padStart(3)} sinking: T ${(a.Tdn / dn || 0).toFixed(2)} v ${(a.vdn / dn || 0).toFixed(0).padStart(4)}`);\n}\n" } [tool result] File created successfully at: [workspace]/.scratch/profile.js (file state is current in your context — no need to Read it back) [tool Bash] { "command": "cd .scratch && node profile.js ../index.html '{\"Q\":0.45,\"LAMBDA\":20,\"CW\":0.12,\"COND\":0.06,\"KATT\":40,\"BUOY\":320,\"VISC\":1.2,\"KC\":0.045,\"NB\":0.4,\"KTOP\":0.9,\"KDT\":0.08}' 2>&1 | grep -v \"not permitted\"", "description": "Profile temperature and speed by height", "timeout": 120000 } [tool result] y 258-310 occ 3% rising: T 0.53 v 22 sinking: T 0.38 v -18 y 207-258 occ 9% rising: T 0.56 v 22 sinking: T 0.41 v -18 y 155-207 occ 16% rising: T 0.56 v 22 sinking: T 0.42 v -17 y 103-155 occ 21% rising: T 0.57 v 22 sinking: T 0.43 v -18 y 52-103 occ 22% rising: T 0.59 v 23 sinking: T 0.43 v -18 y 0- 52 occ 29% rising: T 0.53 v 10 sinking: T 0.44 v -10 zsh:1: operation not permitted: [redacted:local-path] [system] status [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [thinking] Rising wax only averages T ≈ 0.55, just above neutral, which explains the sluggish 22 units/s climb and frequent mid-glass reversals. I'll strengthen coil heating over a shorter range, slow mid-glass cooling, and switch to grid-searching target metrics instead of hand-tuning. [tool Write] { "file_path": "[workspace]/.scratch/sweep.js", "content": "// Grid search over simulation parameters, scored against how a real lamp tends to look.\nconst fs = require('fs');\nconst html = fs.readFileSync(process.argv[2], 'utf8');\nconst src = html.split('/**/')[1].split('/**/')[0];\nconst mk = new Function('ov', src + '; Object.assign(P, ov); return { createSim, GH };');\nconst N = 30;\n\nfunction run(ov, seed) {\n const { createSim, GH } = mk(ov);\n const sim = createSim(N, seed);\n const par = new Int32Array(N);\n const find = i => { while (par[i] !== i) i = par[i] = par[par[i]]; return i; };\n let t = 0, prev = 0, ev = 0, sC = 0, sMax = 0, top = 0, bot = 0, n = 0, maxV = 0;\n const py = new Float32Array(N);\n for (let k = 0; k < 140 * 120; k++) {\n py.set(sim.y);\n sim.step(1 / 120, 1, t); t += 1 / 120;\n if (t < 20 || k % 12) continue;\n for (let i = 0; i < N; i++) { par[i] = i; maxV = Math.max(maxV, Math.abs(sim.y[i] - py[i]) * 120); }\n for (let i = 0; i < N; i++) for (let j = i + 1; j < N; j++)\n if (Math.hypot(sim.x[i] - sim.x[j], sim.y[i] - sim.y[j]) < 1.15 * (sim.s[i] + sim.s[j])) par[find(i)] = find(j);\n const cnt = {};\n for (let i = 0; i < N; i++) { const r = find(i); cnt[r] = (cnt[r] || 0) + 1; }\n const sizes = Object.values(cnt);\n if (n) ev += Math.abs(sizes.length - prev);\n prev = sizes.length;\n sC += sizes.length; sMax += Math.max(...sizes); n++;\n for (let i = 0; i < N; i++) { if (sim.y[i] > GH * 0.75) top++; if (sim.y[i] < GH * 0.25) bot++; }\n }\n return { cl: sC / n, big: sMax / n, top: 100 * top / (n * N), bot: 100 * bot / (n * N), ev, maxV };\n}\n\nconst grid = JSON.parse(process.argv[3]);\nconst keys = Object.keys(grid);\nconst combos = keys.reduce((acc, k) => acc.flatMap(c => grid[k].map(v => ({ ...c, [k]: v }))), [{}]);\nconst base = process.argv[4] ? JSON.parse(process.argv[4]) : {};\nconst rows = combos.map(c => {\n const ov = { ...base, ...c };\n const rs = [1, 2].map(s => run(ov, s));\n const m = {};\n for (const key of Object.keys(rs[0])) m[key] = rs.reduce((a, r) => a + r[key], 0) / rs.length;\n const score = ((m.cl - 5.5) / 2) ** 2 + ((m.big - 12) / 5) ** 2 + ((m.top - 18) / 6) ** 2 + ((m.bot - 40) / 10) ** 2 + (m.ev < 60 ? ((60 - m.ev) / 30) ** 2 : 0);\n return { c, m, score };\n}).sort((a, b) => a.score - b.score);\nfor (const r of rows.slice(0, +(process.argv[5] || 8))) {\n const m = r.m;\n console.log(`${r.score.toFixed(2).padStart(6)} cl ${m.cl.toFixed(1)} big ${m.big.toFixed(1)} top ${m.top.toFixed(0)}% bot ${m.bot.toFixed(0)}% events ${m.ev.toFixed(0)} maxV ${m.maxV.toFixed(0)} ${JSON.stringify(r.c)}`);\n}\n" } [tool result] File created successfully at: [workspace]/.scratch/sweep.js (file state is current in your context — no need to Read it back) [tool Bash] { "command": "cd .scratch && time node sweep.js ../index.html '{\"Q\":[0.6,1.0],\"LAMBDA\":[12,18],\"KC\":[0.02,0.035],\"KTOP\":[0.6,1.2],\"KATT\":[35,50],\"KDT\":[0.08,0.12]}' '{\"CW\":0.12,\"COND\":0.06,\"BUOY\":320,\"VISC\":1.2,\"NB\":0.4}' 12 2>&1 | grep -v \"not permitted\"", "description": "Grid search over heating, cooling and cohesion", "timeout": 600000 } [system] task_started [system] task_notification [tool result] 1.93 cl 6.2 big 16.6 top 14% bot 34% events 376 maxV 55 {"Q":1,"LAMBDA":18,"KC":0.035,"KTOP":0.6,"KATT":35,"KDT":0.08} 2.83 cl 5.5 big 17.3 top 14% bot 29% events 286 maxV 54 {"Q":1,"LAMBDA":18,"KC":0.02,"KTOP":0.6,"KATT":35,"KDT":0.08} 2.84 cl 4.9 big 16.7 top 14% bot 28% events 236 maxV 54 {"Q":1,"LAMBDA":18,"KC":0.02,"KTOP":0.6,"KATT":35,"KDT":0.12} 2.96 cl 6.0 big 15.1 top 9% bot 37% events 378 maxV 54 {"Q":0.6,"LAMBDA":18,"KC":0.02,"KTOP":1.2,"KATT":35,"KDT":0.08} 3.36 cl 5.6 big 18.9 top 11% bot 36% events 292 maxV 55 {"Q":1,"LAMBDA":18,"KC":0.035,"KTOP":1.2,"KATT":35,"KDT":0.08} 3.46 cl 4.6 big 20.4 top 16% bot 35% events 214 maxV 56 {"Q":1,"LAMBDA":18,"KC":0.035,"KTOP":0.6,"KATT":50,"KDT":0.08} 3.94 cl 4.5 big 19.3 top 13% bot 31% events 215 maxV 55 {"Q":0.6,"LAMBDA":18,"KC":0.02,"KTOP":0.6,"KATT":50,"KDT":0.08} 4.08 cl 4.7 big 19.5 top 10% bot 38% events 224 maxV 55 {"Q":1,"LAMBDA":12,"KC":0.02,"KTOP":0.6,"KATT":35,"KDT":0.08} 4.14 cl 4.3 big 19.9 top 12% bot 33% events 186 maxV 56 {"Q":1,"LAMBDA":18,"KC":0.035,"KTOP":1.2,"KATT":50,"KDT":0.12} 4.33 cl 5.7 big 17.8 top 10% bot 29% events 340 maxV 55 {"Q":1,"LAMBDA":18,"KC":0.02,"KTOP":1.2,"KATT":35,"KDT":0.08} 4.36 cl 4.7 big 17.8 top 8% bot 40% events 275 maxV 51 {"Q":1,"LAMBDA":12,"KC":0.035,"KTOP":0.6,"KATT":35,"KDT":0.08} 4.46 cl 4.3 big 19.5 top 10% bot 38% events 196 maxV 53 {"Q":1,"LAMBDA":12,"KC":0.035,"KTOP":0.6,"KATT":50,"KDT":0.08} node sweep.js ../index.html 12 2>&1 13.32s user 0.15s system 76% cpu 17.671 total grep -v "not permitted" 0.00s user 0.00s system 0% cpu 17.669 total zsh:1: operation not permitted: [redacted:local-path] [system] status [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [assistant] Best so far: about 6 blobs, 14% in the top quarter, around 370 merge/split events in two minutes. Refining around that point. [tool Bash] { "command": "cd .scratch && node sweep.js ../index.html '{\"Q\":[1,1.5],\"LAMBDA\":[18,24],\"KC\":[0.03,0.045],\"KTOP\":[0.3,0.6],\"KATT\":[30,40],\"CW\":[0.12,0.2],\"BUOY\":[320,380]}' '{\"COND\":0.06,\"VISC\":1.2,\"NB\":0.4,\"KDT\":0.08}' 10 2>&1 | grep -v \"not permitted\"", "description": "Refine grid search around best parameters", "timeout": 600000 } [system] task_started [system] task_notification [tool result] 1.30 cl 7.5 big 12.7 top 15% bot 37% events 572 maxV 64 {"Q":1,"LAMBDA":18,"KC":0.045,"KTOP":0.6,"KATT":40,"CW":0.12,"BUOY":380} 1.39 cl 7.5 big 13.8 top 18% bot 35% events 515 maxV 63 {"Q":1,"LAMBDA":18,"KC":0.045,"KTOP":0.3,"KATT":30,"CW":0.12,"BUOY":380} 1.49 cl 7.2 big 14.5 top 19% bot 33% events 480 maxV 63 {"Q":1.5,"LAMBDA":18,"KC":0.045,"KTOP":0.3,"KATT":30,"CW":0.12,"BUOY":380} 1.59 cl 6.1 big 17.3 top 16% bot 36% events 348 maxV 56 {"Q":1,"LAMBDA":18,"KC":0.045,"KTOP":0.3,"KATT":30,"CW":0.12,"BUOY":320} 1.60 cl 6.7 big 14.7 top 14% bot 33% events 409 maxV 54 {"Q":1,"LAMBDA":18,"KC":0.03,"KTOP":0.6,"KATT":30,"CW":0.12,"BUOY":320} 1.60 cl 7.4 big 13.6 top 15% bot 34% events 533 maxV 64 {"Q":1,"LAMBDA":18,"KC":0.03,"KTOP":0.6,"KATT":30,"CW":0.12,"BUOY":380} 1.71 cl 7.6 big 12.8 top 17% bot 32% events 538 maxV 63 {"Q":1,"LAMBDA":18,"KC":0.03,"KTOP":0.6,"KATT":40,"CW":0.12,"BUOY":380} 1.73 cl 6.7 big 14.4 top 15% bot 30% events 434 maxV 62 {"Q":1,"LAMBDA":18,"KC":0.03,"KTOP":0.3,"KATT":30,"CW":0.12,"BUOY":380} 1.79 cl 7.1 big 13.8 top 18% bot 30% events 430 maxV 55 {"Q":1,"LAMBDA":24,"KC":0.045,"KTOP":0.3,"KATT":30,"CW":0.12,"BUOY":320} 1.80 cl 7.5 big 13.2 top 17% bot 31% events 519 maxV 67 {"Q":1.5,"LAMBDA":18,"KC":0.03,"KTOP":0.6,"KATT":40,"CW":0.12,"BUOY":380} zsh:1: operation not permitted: [redacted:local-path] [system] status [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [assistant] Picking the calmer variant (BUOY 320, peak speed about 56 units/s so blobs take 6–10 s to cross the glass). Checking its height profile and off/on behaviour. [tool Bash] { "command": "cd .scratch && O='{\"Q\":1,\"LAMBDA\":18,\"KC\":0.045,\"KTOP\":0.3,\"KATT\":30,\"CW\":0.12,\"BUOY\":320,\"COND\":0.06,\"VISC\":1.2,\"NB\":0.4,\"KDT\":0.08}'; node profile.js ../index.html \"$O\" 2>&1 | grep -v \"not permitted\"; node simtest.js ../index.html \"$O\" 2>&1 | grep -E \"^avg|first rise|t=1[4-9]0|t=2[0-3]0\"; node ascii.js ../index.html \"$O\" 60,63,66,69,72,75,78,81 1 2>&1 | grep -v \"not permitted\"", "description": "Profile, off/on test and snapshots for chosen parameters", "timeout": 300000 } [tool result] y 258-310 occ 9% rising: T 0.57 v 19 sinking: T 0.45 v -14 y 207-258 occ 11% rising: T 0.59 v 27 sinking: T 0.42 v -21 y 155-207 occ 15% rising: T 0.59 v 25 sinking: T 0.42 v -21 y 103-155 occ 19% rising: T 0.60 v 23 sinking: T 0.43 v -19 y 52-103 occ 21% rising: T 0.61 v 22 sinking: T 0.43 v -19 y 0- 52 occ 24% rising: T 0.54 v 10 sinking: T 0.44 v -11 t=140 heat=1.00 up>150:18 meanY=187 meanT=0.51 Trange=0.37-0.86 clusters=[13,7,2,2,1,1,1,1,1,1] t=150 heat=0.37 up>150: 0 meanY= 63 meanT=0.46 Trange=0.36-0.71 clusters=[15,6,5,4] t=160 heat=0.14 up>150: 8 meanY= 92 meanT=0.50 Trange=0.36-0.64 clusters=[12,7,5,3,2,1] t=170 heat=0.05 up>150: 1 meanY= 80 meanT=0.44 Trange=0.34-0.50 clusters=[20,6,3,1] t=180 heat=0.02 up>150: 0 meanY= 15 meanT=0.43 Trange=0.35-0.53 clusters=[30] t=190 heat=0.01 up>150: 0 meanY= 15 meanT=0.40 Trange=0.34-0.47 clusters=[30] t=200 heat=0.00 up>150: 0 meanY= 14 meanT=0.37 Trange=0.32-0.42 clusters=[30] t=210 heat=0.81 up>150:18 meanY=170 meanT=0.60 Trange=0.30-0.87 clusters=[12,5,3,3,2,2,1,1,1] t=220 heat=0.96 up>150:15 meanY=120 meanT=0.40 Trange=0.31-0.52 clusters=[17,8,2,2,1] t=230 heat=0.99 up>150:13 meanY=128 meanT=0.60 Trange=0.36-1.02 clusters=[8,7,5,5,2,1,1,1] avg clusters 5.5, avg largest 18.2, top25% 16%, bottom25% 35% first rise 4.5s | 20-140s: half-height crossings 256, merges 140, splits 144 | settle after off 33.1s | re-rise after on 6.6s t=140 heat=1.00 up>150:12 meanY=167 meanT=0.47 Trange=0.37-0.68 clusters=[14,8,4,1,1,1,1] t=150 heat=0.37 up>150: 0 meanY= 56 meanT=0.47 Trange=0.37-0.64 clusters=[16,8,6] t=160 heat=0.14 up>150:13 meanY=132 meanT=0.47 Trange=0.34-0.58 clusters=[12,10,4,3,1] t=170 heat=0.05 up>150: 0 meanY= 23 meanT=0.44 Trange=0.32-0.60 clusters=[29,1] t=180 heat=0.02 up>150: 0 meanY= 19 meanT=0.43 Trange=0.34-0.52 clusters=[30] t=190 heat=0.01 up>150: 0 meanY= 16 meanT=0.41 Trange=0.32-0.47 clusters=[30] t=200 heat=0.00 up>150: 0 meanY= 14 meanT=0.37 Trange=0.31-0.41 clusters=[30] t=210 heat=0.81 up>150:17 meanY=173 meanT=0.59 Trange=0.32-0.81 clusters=[9,6,3,3,2,2,2,2,1] t=220 heat=0.96 up>150:11 meanY=122 meanT=0.41 Trange=0.33-0.54 clusters=[13,11,5,1] t=230 heat=0.99 up>150:13 meanY=138 meanT=0.56 Trange=0.36-0.80 clusters=[12,10,2,2,1,1,1,1] avg clusters 6.7, avg largest 16.5, top25% 16%, bottom25% 36% first rise 4.3s | 20-140s: half-height crossings 245, merges 207, splits 205 | settle after off 30.6s | re-rise after on 6.6s t=140 heat=1.00 up>150:23 meanY=198 meanT=0.52 Trange=0.37-0.86 clusters=[14,7,3,2,1,1,1,1] t=150 heat=0.37 up>150: 3 meanY= 82 meanT=0.44 Trange=0.32-0.67 clusters=[12,8,4,2,2,1,1] t=160 heat=0.14 up>150:11 meanY=110 meanT=0.50 Trange=0.34-0.63 clusters=[10,6,5,4,2,2,1] t=170 heat=0.05 up>150: 8 meanY= 98 meanT=0.44 Trange=0.32-0.54 clusters=[18,7,5] t=180 heat=0.02 up>150: 0 meanY= 18 meanT=0.43 Trange=0.33-0.50 clusters=[30] t=190 heat=0.01 up>150: 0 meanY= 16 meanT=0.41 Trange=0.35-0.46 clusters=[30] t=200 heat=0.00 up>150: 0 meanY= 15 meanT=0.38 Trange=0.34-0.41 clusters=[30] t=210 heat=0.81 up>150:19 meanY=163 meanT=0.59 Trange=0.35-0.80 clusters=[14,5,4,3,2,1,1] t=220 heat=0.96 up>150:16 meanY=132 meanT=0.41 Trange=0.31-0.50 clusters=[25,2,2,1] t=230 heat=0.99 up>150:10 meanY=112 meanT=0.58 Trange=0.35-0.86 clusters=[19,6,2,1,1,1] avg clusters 5.3, avg largest 16.6, top25% 12%, bottom25% 35% first rise 4.6s | 20-140s: half-height crossings 249, merges 132, splits 137 | settle after off 34.3s | re-rise after on 7.0s t=60 t=63 t=66 t=69 t=72 t=75 t=78 t=81 ........ ........ ........ ........ ........ ...65.55 ........ ........ .......... .......... .......... .......... .......... ...56666.. .......... .......... .......... .......... .......... .......... .......... ..5556.... .......... .......... .......... .......... .......... .......... .......... ...76..... .....3.... .......... .......... .......... .......... .......... .......... .......... ...4444... .......... .......... .......... .......... .......... .......... .......... ..4444.4.. .......... .......... .......... .......... .......... .......... .......... .45.5.44.. .......... .......... .......... .......... .......... .......... .......... .......... .......... ............ ............ ............ ............ .......77... ............ .......6.... ............ ............ ............ ............ ............ ......56.... ............ ......5..... ............ ....4.4..... ............ ............ ............ ....558.8... ............ ............ ............ ..44.4.3.... ............ ............ ............ ....787..... ............ .........5.. ......3..... ....4454.4.... .............. .............. .............. ......7....... .........55... ...........5.. .....4444..... ...3.6.4.43... .............. .............. .............. .....66....... ..........5... ..........5... ....444554.... ...34...44.... .....4........ .............. .............. .....9........ .............. .............. ....444...4... ...4....4..... .....544...... .............. .............. ...4.7........ .............. .............. .....4..4.5... .........4.... .......5...... .............. .............. ...5.....6.... .............. .............. ....4...5..4.. ....5......... .............. .....44....... .............. ........5..... .............. .............. ..........4... .....5.......... ................ .....5.564...... ......4.54...... ...........5.... ......6......... ................ ................ ...........5.... ....4.5..4...... ................ .....4557.7..... ................ ..........7..... ..........5..... ................ ................ .....457.43..... ................ .....558.7...... ................ .....4.......... ................ ......6......... ....4........... ....4...4.4..... .......5........ .....99.9....... ....45.......... ....5........... ................ ................ ....4........... ...33...444.5... ......5......... ................ ....5........... ................ ................ ................ ................ ....4...4.45.... ................ .....7.8........ ................ ....5........... ................ ................ ................ .........4...... ................ ........76.5.... ................ .....5.......... ................ ................ .............. .............. .............. ...5.....65... .............. ....5......... ....4......... .....6........ .........6.... .............. ......8....... .............. .............. ...4.......... .....5........ .....7...6.... .............. .............. ......9.5..... .............. ...5.......... .............. ...4.......... ...5.......... .............. ....4......... ........545... .............. ....6.....5... .........6.... ...55......... ....6......... ............ ...5........ ...5.96.55.. ....7....... ............ .........5.. ............ ..5.7....... ............ ............ .445..76.4.. ...5.....5.. ........65.. ............ ...6........ ............ ..6....... .......... 3447...5.. 4.4.....4. .4........ .4........ .5......5. .......... zsh:1: operation not permitted: [redacted:local-path] [system] status [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [system] thinking_tokens [thinking] The numbers check out: 5–7 blobs, 12–16% wax in the top quarter, 130–200 merges/splits per two minutes, with a ~30s settle time after switch-off and ~7s rise time after switch-on. I'll apply these values to the page now. [tool Read] { "file_path": "[workspace]/index.html", "offset": 296, "limit": 30 } [tool result] 296 302 303 304 305