{ "utc": "2026-09-23T05:53:50.616Z", "checks": [ "six runs preserve exact authored states, outputs, event counts and rendered position", "archived path reproduces unrelated editor work on every event", "runtime input performs no source encoding or editor metadata mutations", "Unicode source editing updates byte count, line numbers and dirty status", "keyboard input and frame stepping preserve unapplied editor metadata", "reset preserves draft and its metadata while restoring active state", "successful apply updates draft status without requiring a source edit", "failed apply preserves dirty status and active work with a source diagnostic", "diagnostic navigation still updates the cursor position", "programmatic Tab insertion updates source metadata", "applying an empty program has a correct applied status", "snippet insertion updates source metadata", "no uncaught browser errors" ], "errors": [], "samples": [ { "variant": "before", "taps": 100, "events": 200, "elapsedMs": 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"type": "box", "color": "#8da5bb", "x": 90, "y": 230, "width": 20, "height": 20 }, { "id": "static9", "type": "box", "color": "#8da5bb", "x": 160, "y": 230, "width": 20, "height": 20 }, { "id": "static10", "type": "box", "color": "#8da5bb", "x": 230, "y": 230, "width": 20, "height": 20 }, { "id": "static11", "type": "box", "color": "#8da5bb", "x": 300, "y": 230, "width": 20, "height": 20 }, { "id": "static12", "type": "box", "color": "#8da5bb", "x": 370, "y": 230, "width": 20, "height": 20 }, { "id": "static13", "type": "box", "color": "#8da5bb", "x": 440, "y": 230, "width": 20, "height": 20 }, { "id": "static14", "type": "box", "color": "#8da5bb", "x": 20, "y": 260, "width": 20, "height": 20 }, { "id": "static15", "type": "box", "color": "#8da5bb", "x": 90, "y": 260, "width": 20, "height": 20 }, { "id": "static16", "type": "box", "color": "#8da5bb", "x": 160, "y": 260, "width": 20, "height": 20 }, { "id": "static17", "type": "box", "color": "#8da5bb", "x": 230, "y": 260, "width": 20, "height": 20 }, { "id": "static18", "type": "box", "color": "#8da5bb", "x": 300, "y": 260, "width": 20, "height": 20 }, { "id": "static19", "type": "box", "color": "#8da5bb", "x": 370, "y": 260, "width": 20, "height": 20 }, { "id": "static20", "type": "box", "color": "#8da5bb", "x": 440, "y": 260, "width": 20, "height": 20 }, { "id": "static21", "type": "box", "color": "#8da5bb", "x": 20, "y": 290, "width": 20, "height": 20 } ], "successfulEvents": 240, "tick": 0, "lastError": 0 }, "renderedX": "70" }, { "variant": "before", "taps": 100, "events": 200, "elapsedMs": 837.8999999985099, "encodingCalls": 400, "encodedBytes": 410800, "editorMutations": 800, "metrics": { "LayoutCount": 201, "LayoutDuration": 0.387684, "RecalcStyleCount": 201, "RecalcStyleDuration": 0.08588600000000002, "ScriptDuration": 0.351059 }, "final": { "states": { "x": 70 }, "views": [ { "id": "moving", "type": "box", "color": "#7ed9ae", "x": 70, "y": 100, "width": 30, "height": 30 }, { "id": "label", "type": "text", "prefix": "", "x": 20, "y": 40, "value": 70 }, { "id": "static0", "type": "box", "color": "#8da5bb", "x": 20, "y": 200, "width": 20, "height": 20 }, { "id": "static1", "type": "box", "color": "#8da5bb", "x": 90, "y": 200, "width": 20, "height": 20 }, { "id": "static2", "type": "box", "color": "#8da5bb", "x": 160, "y": 200, "width": 20, "height": 20 }, { "id": "static3", "type": "box", "color": "#8da5bb", "x": 230, "y": 200, "width": 20, "height": 20 }, { "id": "static4", "type": "box", "color": "#8da5bb", "x": 300, "y": 200, "width": 20, "height": 20 }, { "id": "static5", "type": "box", "color": "#8da5bb", "x": 370, "y": 200, "width": 20, "height": 20 }, { "id": "static6", "type": "box", "color": "#8da5bb", "x": 440, "y": 200, "width": 20, "height": 20 }, { "id": "static7", "type": "box", "color": "#8da5bb", "x": 20, "y": 230, "width": 20, "height": 20 }, { "id": "static8", "type": "box", "color": "#8da5bb", "x": 90, "y": 230, "width": 20, "height": 20 }, { "id": "static9", "type": "box", "color": "#8da5bb", "x": 160, "y": 230, "width": 20, "height": 20 }, { "id": "static10", "type": "box", "color": "#8da5bb", "x": 230, "y": 230, "width": 20, "height": 20 }, { "id": "static11", "type": "box", "color": "#8da5bb", "x": 300, "y": 230, "width": 20, "height": 20 }, { "id": "static12", "type": "box", "color": "#8da5bb", "x": 370, "y": 230, "width": 20, "height": 20 }, { "id": "static13", "type": "box", "color": "#8da5bb", "x": 440, "y": 230, "width": 20, "height": 20 }, { "id": "static14", "type": "box", "color": "#8da5bb", "x": 20, "y": 260, "width": 20, "height": 20 }, { "id": "static15", "type": "box", "color": "#8da5bb", "x": 90, "y": 260, "width": 20, "height": 20 }, { "id": "static16", "type": "box", "color": "#8da5bb", "x": 160, "y": 260, "width": 20, "height": 20 }, { "id": "static17", "type": "box", "color": "#8da5bb", "x": 230, "y": 260, "width": 20, "height": 20 }, { "id": "static18", "type": "box", "color": "#8da5bb", "x": 300, "y": 260, "width": 20, "height": 20 }, { "id": "static19", "type": "box", "color": "#8da5bb", "x": 370, "y": 260, "width": 20, "height": 20 }, { "id": "static20", "type": "box", "color": "#8da5bb", "x": 440, "y": 260, "width": 20, "height": 20 }, { "id": "static21", "type": "box", "color": "#8da5bb", "x": 20, "y": 290, "width": 20, "height": 20 } ], "successfulEvents": 240, "tick": 0, "lastError": 0 }, "renderedX": "70" }, { "variant": "after", "taps": 100, "events": 200, "elapsedMs": 152.80000000447035, "encodingCalls": 0, "encodedBytes": 0, "editorMutations": 0, "metrics": { "LayoutCount": 1, "LayoutDuration": 0.0011510000000000062, "RecalcStyleCount": 1, "RecalcStyleDuration": 0.00024500000000000216, "ScriptDuration": 0.142424 }, "final": { "states": { "x": 70 }, "views": [ { "id": "moving", "type": "box", "color": "#7ed9ae", "x": 70, "y": 100, "width": 30, "height": 30 }, { "id": "label", "type": "text", "prefix": "", "x": 20, "y": 40, "value": 70 }, { "id": "static0", "type": "box", "color": "#8da5bb", "x": 20, "y": 200, "width": 20, "height": 20 }, { "id": "static1", "type": "box", "color": "#8da5bb", "x": 90, "y": 200, "width": 20, "height": 20 }, { "id": "static2", "type": "box", "color": "#8da5bb", "x": 160, "y": 200, "width": 20, "height": 20 }, { "id": "static3", "type": "box", "color": "#8da5bb", "x": 230, "y": 200, "width": 20, "height": 20 }, { "id": "static4", "type": "box", "color": "#8da5bb", "x": 300, "y": 200, "width": 20, "height": 20 }, { "id": "static5", "type": "box", "color": "#8da5bb", "x": 370, "y": 200, "width": 20, "height": 20 }, { "id": "static6", "type": "box", "color": "#8da5bb", "x": 440, "y": 200, "width": 20, "height": 20 }, { "id": "static7", "type": "box", "color": "#8da5bb", "x": 20, "y": 230, "width": 20, "height": 20 }, { "id": "static8", "type": "box", "color": "#8da5bb", "x": 90, "y": 230, "width": 20, "height": 20 }, { "id": "static9", "type": "box", "color": "#8da5bb", "x": 160, "y": 230, "width": 20, "height": 20 }, { "id": "static10", "type": "box", "color": "#8da5bb", "x": 230, "y": 230, "width": 20, "height": 20 }, { "id": "static11", "type": "box", "color": "#8da5bb", "x": 300, "y": 230, "width": 20, "height": 20 }, { "id": "static12", "type": "box", "color": "#8da5bb", "x": 370, "y": 230, "width": 20, "height": 20 }, { "id": "static13", "type": "box", "color": "#8da5bb", "x": 440, "y": 230, "width": 20, "height": 20 }, { "id": "static14", "type": "box", "color": "#8da5bb", "x": 20, "y": 260, "width": 20, "height": 20 }, { "id": "static15", "type": "box", "color": "#8da5bb", "x": 90, "y": 260, "width": 20, "height": 20 }, { "id": "static16", "type": "box", "color": "#8da5bb", "x": 160, "y": 260, "width": 20, "height": 20 }, { "id": "static17", "type": "box", "color": "#8da5bb", "x": 230, "y": 260, "width": 20, "height": 20 }, { "id": "static18", "type": "box", "color": "#8da5bb", "x": 300, "y": 260, "width": 20, "height": 20 }, { "id": "static19", "type": "box", "color": "#8da5bb", "x": 370, "y": 260, "width": 20, "height": 20 }, { "id": "static20", "type": "box", "color": "#8da5bb", "x": 440, "y": 260, "width": 20, "height": 20 }, { "id": "static21", "type": "box", "color": "#8da5bb", "x": 20, "y": 290, "width": 20, "height": 20 } ], "successfulEvents": 240, "tick": 0, "lastError": 0 }, "renderedX": "70" } ], "source": "state x = 40\ninput move = KeyM\nbox moving(x, 100, 30, 30, \"#7ed9ae\")\ntext label(20, 40, x)\nbox static0(20, 200, 20, 20, \"#8da5bb\")\nbox static1(90, 200, 20, 20, \"#8da5bb\")\nbox static2(160, 200, 20, 20, \"#8da5bb\")\nbox static3(230, 200, 20, 20, \"#8da5bb\")\nbox static4(300, 200, 20, 20, \"#8da5bb\")\nbox static5(370, 200, 20, 20, \"#8da5bb\")\nbox static6(440, 200, 20, 20, \"#8da5bb\")\nbox static7(20, 230, 20, 20, \"#8da5bb\")\nbox static8(90, 230, 20, 20, \"#8da5bb\")\nbox static9(160, 230, 20, 20, \"#8da5bb\")\nbox static10(230, 230, 20, 20, \"#8da5bb\")\nbox static11(300, 230, 20, 20, \"#8da5bb\")\nbox static12(370, 230, 20, 20, \"#8da5bb\")\nbox static13(440, 230, 20, 20, \"#8da5bb\")\nbox static14(20, 260, 20, 20, \"#8da5bb\")\nbox static15(90, 260, 20, 20, \"#8da5bb\")\nbox static16(160, 260, 20, 20, \"#8da5bb\")\nbox static17(230, 260, 20, 20, \"#8da5bb\")\nbox static18(300, 260, 20, 20, \"#8da5bb\")\nbox static19(370, 260, 20, 20, \"#8da5bb\")\nbox static20(440, 260, 20, 20, \"#8da5bb\")\nbox static21(20, 290, 20, 20, \"#8da5bb\")\non move.down { x = x + 0.25 }", "browser": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/151.0.0.0 Safari/537.36", "scope": "100 synchronous synthetic keyboard taps after 20 warm-up taps. Timings include encoding/mutation instrumentation, exclude actual input arrival and presentation latency. CDP metrics may include browser work around the batch.", "setup": "Only app.js is substituted from the verified archive for before runs. Other production modules are identical. No phase-timing wrappers in this comparison.", "sourceSha256": { "web/runtime.mjs": "d490c54fb2b422dfe89b90a594a8da9ebc95bb007910211cb4686ccb83ed75c7", "web/app.js": "f91c076ff5242b10b390b57b4213d09b1ae74e61ea221845603428ecec5ea3f9", "web/output.mjs": "1d22c44955e812d671f1a3c3ae4b2f0642a05ebe614017bb041bdddc8c363be3", "web/core.wasm": "76823b024fa5f4a79cbf1ed722ab757614a81a9f1c81d1d6268781a38bed7cc9", "web/compiler.mjs": "a34f3beb069c811a9bd5be73dde9341907ba77756066030b8b95fc6d66a5cc02", "qa-refresh.js": "afa6ac62f45a1d8e25a8667ecb23607c457964c410331587bbd2a2fe3bf5baaa", "qa-refresh.py": "01da7aaba6148d0ad96d6e9686300674e6ba8779113aaf7928aa3e7ad1348960" }, "baselineManifestSha256": "bbf999305e08d48e94419491c20bd0efe95b36b337b91b2f2eba0f36065d0f91" }