{
    "schemaVersion": 1,
    "library": "LightningCSS",
    "estimatedProgress": 99.8,
    "suiteProgress": "Current isolated source batch maps custom-property var() substitution fallbacks and cycle preservation on top of accepted SourceMap, CSSOM, CSS Modules, bundle/import graph, property-value, and runner-evidence closure. Focused PHP minifier gate passes on current base. Full Rust/Node/WASM upstream runner closure remains dependency-gated.",
    "phpPass": 9280,
    "phpFail": 0,
    "wordpressScenarios": "Latest isolated slice adds a WordPress design-token substitution smoke for preset color, computed spacing, fallback gradient, and custom-property cycle preservation without Node/WASM.",
    "phase": "wrap-up source parity plus runner-evidence consolidation; full Rust/Node/WASM closure remains dependency-gated",
    "audit": "2026-06-02 03:09 UTC isolated worker on base 29e9ab42c95695ff6b56a669158a7bac3a86e971: mapped pinned src/lib.rs::test_substitute_vars custom-property substitution parity. Added CssMinifier::substituteVariables() with direct var() replacement, nested fallback resolution, fallback-of-fallback resolution, calc() folding after substitution, nested variable resolution, and cycle preservation. Changed PHP lint passed; focused CssMinifierTest.php passed 1 file / 2174 assertions / 0 failures; wordpress-custom-property-substitution.php --self-test passed; full LightningCSS PHP lane passed 14 files / 9280 assertions / 0 failures; git diff --check -- lanes/lightningcss passed. phpPass moves 9273 -> 9280 (+7); mapped coverage moves 2439 -> 2445 / 3532. Full Rust/Node/WASM runners were not run.\n2026-06-01 isolated worker on base 4891303774c9ca404591d2f3a4d35bc9e197e3fb: pinned LightningCSS native binding confirmed mixed not-all/all media-list output for range and interval syntax inside @layer blocks and layered @import tails. Changed PHP lint passed; focused MediaQueryParser/TransitionPrefixer gate passed 2 files / 2231 assertions / 0 failures; wordpress-media-range-layer-mixed-list.php --self-test passed; full LightningCSS PHP lane passed 13 files / 9100 assertions / 0 failures. phpPass moves 9084 -> 9100 (+16). Rust/Node/WASM runners were not run.\n2026-06-01 23:13 UTC supervisor integration: source commit 4e808df7c8d925680896f5e68c359023c513b77f accepted source-map empty generated-line negative column no-op parity. Changed PHP lint passed; git diff --check passed; focused SourceMapTest.php gate passed 1 file / 1100 assertions / 0 failures; wordpress-source-map-vlq-offsets.php --self-test passed; full LightningCSS PHP lane passed 13 files / 9102 assertions / 0 failures. phpPass moves 9100 -> 9102 (+2); mapped coverage remains 2439 / 3532. Rust/Node/WASM upstream runners were not executed.\n2026-06-01 23:25 UTC supervisor integration: source commit aa258090076d078082e1c905d881e044d3b3f22e accepted CSS Modules :has(:scope) relative selector elision after :local()/:global() rewriting while preserving composes exports. Changed PHP lint passed; git diff --check passed; focused CssModulesTransformer gate passed 1 file / 696 assertions / 0 failures; wordpress-css-modules-has-scope.php --self-test passed; full LightningCSS PHP lane passed 13 files / 9106 assertions / 0 failures. phpPass moves 9102 -> 9106 (+4); mapped coverage remains 2439 / 3532. Rust/Node/WASM upstream runners were not executed.\n2026-06-01 23:38 UTC supervisor integration: source commit 48a537e373294d8917295a8d0d5f8d8b96c17ff3 accepted LightningCSS upstream runner evidence. PHP lint passed for UpstreamRunnerEvidence.php and UpstreamRunnerEvidenceTest.php; focused UpstreamRunnerEvidenceTest passed 1 file / 32 assertions / 0 failures; full LightningCSS PHP lane passed 14 files / 9138 assertions / 0 failures. Bounded Rust tests::test_media passed 1 test with 118 filtered out, and a direct native Node addon transform smoke passed. Full Node runner remains blocked by missing uvu and detect-libc; WASM runtime/build remain blocked by missing napi-wasm and wasm-opt. Mapped coverage remains 2439 / 3532 because this is runner evidence, not a new CSS behavior mapping.\n2026-06-01 23:44 UTC supervisor integration: source commit 163ddd214496f312bde14e6432dd5b527846be58 accepted LightningCSS SourceMap preserved reused content offsets, bundler decoded backslash import path identity, and grid shorthand formatter parity. Changed PHP lint passed; git diff --check passed; focused SourceMap/CssBundler/CssFormatter gate passed 3 files / 2009 assertions / 0 failures; source-map, bundle-import, and grid formatter example smokes passed; full LightningCSS PHP lane passed 14 files / 9164 assertions / 0 failures. phpPass moves 9138 -> 9164 (+26); mapped coverage remains 2439 / 3532. Rust/Node/WASM upstream runners were not executed for this source batch.\n2026-06-01 23:58 UTC supervisor integration: source commit f912484acb363faf597a23d09580c30024a204db accepted LightningCSS CSSOM logical border-radius read/write, CSS Modules :has() pseudo-element branch parity, and transform-style supports prefix browser-boundary parity. Changed PHP lint passed; git diff --check passed; focused DeclarationBlock/TransitionPrefixer/CssModulesTransformer gate passed 3 files / 3545 assertions / 0 failures; three example smokes passed; full LightningCSS PHP lane passed 14 files / 9186 assertions / 0 failures. phpPass moves 9164 -> 9186 (+22); mapped coverage remains 2439 / 3532. Rust/Node/WASM upstream runners were not executed for this source batch.\n2026-06-02 00:12 UTC supervisor integration: source commit c99b35f0f2448d45fc6a2ba783dd0b6b0918ff7f accepted LightningCSS layered import media-range CSSOM normalization and native @keyframes visitor parity. Changed PHP lint passed; git diff --check passed; focused StylesheetParser/CustomAtRuleTransformer gate passed 2 files / 556 assertions / 0 failures; media-range and keyframes visitor example smokes passed; full LightningCSS PHP lane passed 14 files / 9200 assertions / 0 failures. phpPass moves 9186 -> 9200 (+14); mapped coverage remains 2439 / 3532. Rust/Node/WASM upstream runners were not executed for this source batch.\n2026-06-02 00:28 UTC supervisor integration: source commit 66a795f7d7ef29ef21369290672d43b8326ee19b accepted LightningCSS bundle import graph, advanced color fallback, and runner-evidence closure slices. Changed PHP lint passed; git diff --check passed; focused CssBundler/TransitionPrefixer/UpstreamRunnerEvidence gate passed 3 files / 2377 assertions / 0 failures; bundle-import and advanced-color examples passed; full LightningCSS PHP lane passed 14 files / 9217 assertions / 0 failures. phpPass moves 9200 -> 9217 (+17); mapped coverage remains 2439 / 3532. Full Rust/Node/WASM runners remain dependency-gated.\n2026-06-02 00:38 UTC supervisor integration: source commit 07f02fcff7766b7f27f0460605548cd300ea18be accepted LightningCSS CSS Modules terminal pseudo/composes parity. Changed PHP lint passed; git diff --check passed; focused CssModulesTransformerTest passed 1 file / 706 assertions / 0 failures; wordpress-css-modules-terminal-pseudos.php --self-test passed; full LightningCSS PHP lane passed 14 files / 9222 assertions / 0 failures. phpPass moves 9217 -> 9222 (+5); mapped coverage remains 2439 / 3532. Full Rust/Node/WASM runners remain dependency-gated.\n2026-06-02 01:05 UTC supervisor integration: source commit 4485bb65dd390a5799733561461da95e7a76687f accepted LightningCSS SourceMap VLQ/offset reused-content parity, CSSOM SVG paint/image-rendering fallback read/write parity, and CSS Modules local/global compose parity. Changed PHP lint passed for 14 files; git diff --check passed; focused SourceMap/DeclarationBlock/CssModulesTransformer gate passed 3 files / 3240 assertions / 0 failures; three example self-tests passed; full LightningCSS PHP lane passed 14 files / 9262 assertions / 0 failures. phpPass moves 9222 -> 9262 (+40); mapped coverage remains 2439 / 3532. Full Rust/Node/WASM runners remain dependency-gated.\n2026-06-02 00:27 UTC supervisor integration: source commit 16d80812f1fc74b7d541c6f80d98945b4be0e50c accepted LightningCSS grid-template area-bearing CSSOM read/write/remove parity and escaped CSS Modules @value rejection parity. Changed PHP lint passed; git diff --check passed; focused DeclarationBlock/CssModulesTransformer gate passed 2 files / 2116 assertions / 0 failures; grid-template and escaped-value example self-tests passed; full LightningCSS PHP lane passed 14 files / 9273 assertions / 0 failures. phpPass moves 9262 -> 9273 (+11); mapped coverage remains 2439 / 3532. Full Rust/Node/WASM runners remain dependency-gated.",
    "currentWork": "Pending isolated handoff maps custom-property substitution fallback/cycle parity in CssMinifier on current base, alongside accepted grid-template CSSOM, escaped CSS Modules @value rejection, SourceMap, CSSOM SVG paint/image-rendering, bundle import graph, advanced color fallback, target-prefixing, media, keyframes, and CSS Modules compose coverage.",
    "blocker": "Full upstream runner closure is partial: bounded Rust media test and direct native Node addon smoke pass, but the full Node runner is blocked by missing uvu and detect-libc, and WASM runtime/build are blocked by missing napi-wasm and wasm-opt.",
    "latestCommit": "pending isolated handoff on base 29e9ab42c95695ff6b56a669158a7bac3a86e971",
    "nextTask": "Install or vendor the missing upstream runner dependencies in a bounded way, rerun Node/WASM and broader Rust runner evidence, and continue accepting current-base production-bearing LightningCSS parity handoffs with full PHP lane evidence.",
    "commit": "pending isolated handoff on base 29e9ab42c95695ff6b56a669158a7bac3a86e971",
    "latestFocusedSlice": "2026-06-02 isolated custom-property substitution fallback/cycle parity. Focused CssMinifierTest.php passed 1 file / 2174 assertions / 0 failures; WordPress substitution example self-test passed; full LightningCSS lane passed 14 files / 9280 assertions / 0 failures; phpPass moves 9273 -> 9280; mapped coverage moves 2439 -> 2445 / 3532.",
    "wordpressScenarioLatest": "WordPress design-token substitution smoke resolves preset color, computed spacing, fallback gradient, and preserves a custom-property cycle without Node/WASM."
}