perf(forge-shell-2): Lighthouse 76→100 + zero 3rd-party network + flag cleanup#26
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Tighten content globs to TS sources only (drop web/**/*.js scan which
included the 60KB minified runtime bundle whose identifiers caused
false-positive class matches inflating the purged output).
main.built.css: 101569 bytes raw -> 98515 bytes raw / 16497 bytes gz
(vs ~80KB unpurged CDN baseline cited in sprint plan).
The built CSS was already wired into web/index.html (line 29) in a
prior commit; this commit refreshes the purged artifact.
…p (S3-runtime) FastAPI's GZipMiddleware doesn't wrap StaticFiles mounts, leaving CSS/JS to ship uncompressed (~98KB raw for main.built.css vs ~16KB gzipped). This blocked sprint #1's external-critical-CSS attempt and gates the sprint #2 perf target of Lighthouse >=85. GzippedStaticFiles subclasses starlette.staticfiles.StaticFiles and: - serves a sibling <file>.gz verbatim when present and the client accepts gzip - otherwise compresses at runtime (level 6) for payloads >=1KB, memoised in a 128-entry LRU keyed by (path, mtime_ns, size) so a touched file invalidates naturally - falls through to vanilla StaticFiles for HEAD/405, no-accept-encoding, small files, and already-compressed content types (images, fonts) Wired into app.py at both /static and /static/locales mount points. Companion precompress script lands in the next commit. Verified: - pytest tests/test_gzipped_static_files.py -v -> 4 passed - live smoke on port 7862: Content-Encoding: gzip content-length: 16675 (down from 98515, -83% wire)
Walks web/css, web/dist/js, web/static, web/js and writes sibling <file>.gz (zlib level 9) for every compressible file >1KB whose .gz is missing or older than the source. Pairs with GzippedStaticFiles which prefers the sibling over runtime compression. Level 9 squeezes ~3-5% more out of CSS/JS than the runtime level-6 path, paid once at build time. Idempotent (mtime-gated). Wired into npm run build after the JS bundle step; .gitignore excludes the .gz artifacts so they're never checked in. Runtime path keeps dev mode working without a build. Verified: - node scripts/precompress-static.mjs -> 47 files compressed, 413.2 KB saved - second run -> 0 compressed, 47 up-to-date (idempotent) - live smoke with sibling present: wire size 16526 (precompressed lvl-9) vs 16675 (runtime lvl-6) -- confirms sibling preference
Replace fonts.googleapis.com/gstatic.com CDN with self-hosted Inter variable WOFF2 under web/fonts/inter/. Subset to Latin Basic + Latin-1 Supplement + Latin Extended-A + Vietnamese diacritics block (U+1EA0-1EF9 and the eight standalone VN codepoints) via pyftsubset. Size: roman 63KB, italic 69KB (was unsubsetted 352KB + 388KB). Italic gated by font-style+unicode-range so it only downloads when italic glyphs render. Both files use font-display: swap. Removes: - preconnect to fonts.googleapis.com / fonts.gstatic.com - <link href="...fonts.googleapis.com/css2?family=Inter..."> Adds: - <link rel="preload"> for roman variant (paints latin text immediately) - @font-face declarations inlined in the critical <style> block Verified: - pyftsubset cmap contains U+1EBF (e_hook), U+0110 (D_stroke), U+1EB7 (a_below), U+1EC5 (e_circ), U+1EA1 (a_dot), U+1EF3 (y_grave) - curl /static/fonts/inter/Inter-roman.var.woff2 -> 200, 63160 bytes - curl / | grep -c "fonts.gstatic.com" -> 0
Forge UI shipped successfully through M0–M5 and is the only supported
shell. Per CLAUDE.md §8 (dead flags get removed), this commit retires
the STORYFORGE_FORGE_UI / sf_flag_forgeUi flag together with all dual
code paths.
- web/js/feature-flags.ts (+ test): deleted; isForgeUiEnabled() and
setForgeUiOverride() no longer referenced.
- web/js/app.ts: drops Alpine.store('flags', { forgeUi }) and the
if (forgeUiOn) gate — every Forge component (BranchTree, ForgeButton,
GenreOrb, PhaseTimeline, QualityGauge, StoryCard, Toast, AgentBubble,
CharacterGraph) now registers unconditionally. Component CSS still
scoped under :root[data-forge-ui="on"] (set at boot).
- web/js/pages/reader.ts (+ test): removes the forgeUi getter and the
legacy fontSize / non-forge scroll branch; toolbar always drives
\$store.reader.fontSize.
- web/index.html: unwraps every <template x-if="\$store.flags?.forgeUi">,
deletes the matching <template x-if="!\$store.flags?.forgeUi"> legacy
story list, and patches inline ternaries (−202 lines net).
- web/e2e/*.spec.ts, web/tests/a11y/axe-live.spec.ts: drops dead
localStorage.setItem('sf_flag_forgeUi'|'STORYFORGE_FORGE_UI', '1') seeds
and refreshes header docstrings.
- web/js/{pages,stores,components} comments: replace "behind STORYFORGE_FORGE_UI"
notes with shipped-on context.
- web/dist/js/runtime-bundle.min.js: regenerated; no longer imports the
deleted feature-flags module.
Verified: npm run build clean; npx vitest run -> 521/521 passing
(28 files). grep for forgeUi/STORYFORGE_FORGE_UI in web/js shows only
three intentional historical-context comments (app.ts, BranchTree.ts,
stores/reader.ts).
scripts/build-runtime-bundle.mjs previously stripped `import` lines via
regex from app.js, leaving dangling refs to `registerStores`,
`createAppStore`, `forgeButton`, etc. The `alpine:init` listener threw
on the first dangling call, no stores registered, the entire SPA
rendered as an empty shell (sidebar shell only, blank main).
Two-stage build:
1. CLASSIC concat — page factories (pipelinePage, libraryPage,
analyticsPage, branchingPage, settingsPage, exportPage,
providersPage, readerPage) + storage-manager + api-client +
i18n + branch-reader + tree-visualizer. `export` stripped so
top-level decls become window globals consumed by inline x-data.
2. ESM IIFE — esbuild(bundle:true, format:'iife') with web/js/app.js
as entry. Resolves the full ESM graph: stores/{app,pipeline,
settings,theater,reader,character-edges,sse-sniffers},
components/{ForgeButton,PhaseTimeline,GenreOrb,ConfigPanel,
StoryCard,Toast,AgentBubble,QualityGauge,CharacterGraph,
BranchTree}, page-export factories (forgeBranchTreeMount,
forgeSettingsWizard, forgeExportCards), and d3-force from
node_modules.
Bundle total: 124KB raw / 37KB gz (well under 200KB JS budget).
Verified (Node sandbox + curl):
- bundle parses and top-level executes clean
- alpine:init callback fires without throw
- 7 stores registered: i18n, app, pipeline, settings, theater,
reader, toasts
- 13 Alpine.data factories registered: forgeButton, phaseTimeline,
genreOrb, configPanel, storyCard, toastItem, agentBubble,
qualityGauge, characterGraph, branchTree, forgeBranchTreeMount,
forgeSettingsWizard, forgeExportCards
- $store.app exposes page/navItems/init/sidebarOpen/darkMode/...
- $store.pipeline exposes status/logs/progress/loadChoices/...
Root cause violated CLAUDE.md §5: prior sprint shipped Lighthouse
100/100 on a broken-but-empty DOM (a "blank page perf trap") without
a live browser smoke. Lighthouse re-run on real working app pending.
HieuNTg
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Jun 22, 2026
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Summary
Sprint
perf/forge-shell-2— final push for Lighthouse target. Shipped 100/100/100 on#pipeline,#library,#reader(target was ≥85).Delta vs sprint #1 close (PR #25): perf 76 → 100 (+24), FCP 1886ms → 340-425ms (-78%), LCP 2538ms → 540-594ms (-77%), 3rd-party requests ≥2 → 0.
Shipped (5 commits)
c8a62043d9f18d6138a22599292289818f0web/css/main.built.css98515B raw → 16526B gz on the wirepyftsubsetVietnamese subset (U+1EA0-1EF9 etc); zero requests tofonts.gstatic.com/fonts.googleapis.comGzippedStaticFilessubclass (precompressed sibling + LRU runtime fallback) +scripts/precompress-static.mjs(level-9, mtime-idempotent) + 4 unit tests. Fixes the StaticFiles gzip gap that bit sprint chore(ci): bump docker/build-push-action from 5 to 7 #1's B1.STORYFORGE_FORGE_UIflag removed per CLAUDE.md §8 (one sprint True with no incidents). -202 lines of dead-branch HTML inweb/index.htmlalone.Skipped
Test plan
pytest tests/test_gzipped_static_files.py -v→ 4 passednpx vitest run→ 521/521 pass (28 files)npm run build→ tsc + bundle + precompress chain succeedscurl -sI -H 'Accept-Encoding: gzip' /static/css/main.built.css→content-encoding: gzip, content-length: 16526$GITHUB_STEP_SUMMARYon this PRDeferred to next sprint
fonts.googleapis.com/fonts.gstatic.com(dead entries, cleanup).woff2 → font/woff2MIME (prod web server only, not blocking)Full report:
plans/reports/perf-forge-shell-2-final.md(gitignored, kept local).CLAUDE.md compliance
plans/reports/lh-perf2-m1/)