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fix(fonts): load and register real FontFace sources - #437

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@ldm0 ldm0 commented Sep 8, 2026

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Sequential Navigation Soak A/B

✅ HEAD completed the 200-navigation resilience and memory observation.

One browser process, one target, and one CDP session navigate CSDN → SegmentFault → Huaban → example.com repeatedly. This run issued 200 Page.navigate commands per binary.

Common ancestor acb59e7107 → HEAD ce7a516b65; benchmark order: head-first; workflow: success.

Session resilience

Metric Base HEAD
Attempted / planned 200 / 200 200 / 200
Direct observable pass 200 / 200 200 / 200
Failures / recovered 0 / 0 0 / 0
Recovery failures 0 0
Lifecycle order violations 0 0
Network order violations 0 0
Wall time 274.8 s 295.3 s

A public-page failure is reported separately from an unrecoverable session. The soak requires all navigation attempts, zero failed recovery, zero lifecycle/network ordering violations, and complete resource evidence.

Process-tree memory

Metric Base HEAD Δ
Boundary samples 200 200 0
Boundary RSS samples 200 200 0
Boundary PSS samples 200 200 0
Periodic peak RSS 210.0 MiB 207.2 MiB -2.8 MiB
Periodic peak PSS 205.1 MiB 203.7 MiB -1.4 MiB
RSS · first 10 avg 161.2 MiB 156.4 MiB -4.8 MiB
RSS · last 10 avg 159.8 MiB 159.9 MiB +0.1 MiB
RSS · last − first window -1.4 MiB +3.6 MiB +4.9 MiB
RSS · warm slope / 100 nav +3.4 MiB +0.5 MiB -2.9 MiB
PSS · first 10 avg 157.6 MiB 152.8 MiB -4.8 MiB
PSS · last 10 avg 156.2 MiB 156.5 MiB +0.3 MiB
PSS · last − first window -1.4 MiB +3.7 MiB +5.1 MiB
PSS · warm slope / 100 nav +3.3 MiB +0.6 MiB -2.7 MiB
Peak file descriptors 60 59 -1
Peak threads 31 31 0

HEAD memory by 50-navigation quarter

HEAD range Avg RSS Final RSS Peak RSS Avg PSS Final PSS Peak FD
1–50 159.1 MiB 148.8 MiB 205.4 MiB 155.5 MiB 145.3 MiB 51
51–100 156.8 MiB 142.4 MiB 195.6 MiB 153.3 MiB 139.0 MiB 50
101–150 160.2 MiB 152.3 MiB 208.1 MiB 156.9 MiB 149.1 MiB 56
151–200 159.0 MiB 143.8 MiB 195.7 MiB 155.7 MiB 140.4 MiB 50

Raw reports and per-navigation boundary samples: workflow run and full sequential-navigation-soak-results artifact.

Public-site timing and memory are observational. Use the A/B deltas and trend shape as evidence, not as a deterministic performance threshold.

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github-actions Bot commented Sep 8, 2026 •
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Spider Bench A/B

✅ All benchmark browser service runs completed; results are informational.

Public HEAD: 184 / 240 rows; 38 / 48 sites produced rows; 10 unexpected empty sites.

✅ Deterministic fixture contract is clean.

Common ancestor acb59e710798 → HEAD ce7a516b65cb; benchmark order: head-first; workflow: success.

Public 48-site run · informational

Metric Base HEAD Δ
Run status success success —
Extracted rows / contract 189 / 240 184 / 240 -5 (-2.65%)
Contract fill 78.75% 76.67% -2.08 pp (-2.64%)
Sites with rows 39 / 48 38 / 48 -1 (-2.56%)
Sites meeting row contract 37 / 48 36 / 48 -1 (-2.70%)
Unexpected empty sites 9 10 +1 (+11.11%)
Partial-row sites 2 2 0 (0.00%)
Site outcomes extracted: 38; HTTP error + rows: 1; empty: 6; HTTP error + empty: 1; snapshot error + empty: 2 extracted: 36; HTTP error + rows: 2; empty: 7; HTTP error + empty: 1; snapshot error + empty: 2 —
Observed duration 43.77 s 45.81 s +2.04 s (+4.66%)
Estimated CPU 46.82 s 45.90 s -0.92 s (-1.97%)
Peak PSS 196.22 MiB 198.04 MiB +1.82 MiB (+0.93%)
Peak RSS 197.07 MiB 201.31 MiB +4.24 MiB (+2.15%)
Peak threads 27 26 -1 (-3.70%)
Mismatched sites 0 0 0
Timeout with items 0 0 0
Category rows Base HEAD Δ
news 35 / 40 35 / 40 0
stocks 20 / 40 20 / 40 0
tech 35 / 40 35 / 40 0
sports 32 / 40 27 / 40 -5
games 37 / 40 37 / 40 0
life 30 / 40 30 / 40 0

Public-site content, timing, and memory are noisy. This single A/B run reports evidence only; site outcome counts explain missing rows without treating them as a deterministic regression.

CPU and memory timelines

These are bounded 40-point views of the same complete process-tree samples used by the HTML report. CPU uses 100% per occupied logical core; memory lines are RSS first and PSS second when complete PSS samples are available.

Base

xychart-beta
    title "Base CPU"
    x-axis "Elapsed seconds" [1.035, 1.536, 2.536, 4.039, 5.041, 5.542, 6.544, 7.544, 9.047, 10.049, 11.55, 12.551, 14.053, 15.053, 16.556, 17.556, 19.057, 20.058, 21.561, 22.563, 24.064, 25.064, 26.567, 27.568, 29.07, 30.071, 31.573, 32.574, 34.075, 34.576, 35.076, 36.577, 37.577, 38.078, 39.079, 40.08, 41.58, 42.583]
    y-axis "CPU percent" 0 --> 500
    line [69.83, 129.86, 87.96, 123.83, 183.65, 289.25, 193.96, 165.95, 133.74, 171.74, 103.98, 107.75, 143.96, 139.94, 89.96, 6, 95.98, 95.97, 107.88, 99.92, 124.04, 111.91, 149.88, 169.71, 77.93, 17.96, 99.97, 107.98, 93.81, 133.92, 110, 19.98, 11.99, 0, 115.87, 122.01, 77.96, 103.73]
Loading 
xychart-beta
    title "Base memory: RSS then PSS"
    x-axis "Elapsed seconds" [0.034, 1.035, 1.536, 2.536, 4.039, 5.041, 5.542, 6.544, 7.544, 9.047, 10.049, 11.55, 12.551, 14.053, 15.053, 16.556, 17.556, 19.057, 20.058, 21.561, 22.563, 24.064, 25.064, 26.567, 27.568, 29.07, 30.071, 31.573, 32.574, 34.075, 34.576, 35.076, 36.577, 37.577, 38.078, 39.079, 40.08, 41.58, 42.583, 43.767]
    y-axis "Memory MiB" 0 --> 500
    line [12.34, 91.02, 108.2, 114.32, 143.59, 173.18, 179.91, 158.97, 161.69, 157.95, 189.66, 162.68, 187.57, 164.39, 160.77, 147.76, 148.43, 141.69, 144.72, 154.45, 182.45, 197.07, 165.13, 169.85, 177.26, 163.61, 148.83, 156.75, 148.78, 161.36, 196.67, 161.35, 154.52, 147.44, 147.3, 176.35, 160.84, 156.49, 173.74, 0]
    line [9.2, 87.5, 104.17, 110.8, 140, 169.51, 176.23, 155.38, 157.85, 154.29, 186.01, 158.98, 183.89, 160.66, 157.07, 144.1, 144.72, 138.08, 140.99, 150.03, 178.78, 193.34, 161.39, 166.21, 173.59, 159.89, 145.13, 153.29, 145.06, 157.37, 196.22, 157.63, 150.81, 143.73, 143.59, 172.69, 155.33, 152.81, 170.02, 0]
Loading

HEAD

xychart-beta
    title "HEAD CPU"
    x-axis "Elapsed seconds" [1.536, 2.538, 4.038, 5.039, 5.54, 6.542, 7.042, 7.542, 9.044, 10.046, 11.548, 13.05, 14.052, 15.553, 16.054, 16.554, 18.057, 19.058, 20.56, 21.56, 23.062, 24.562, 25.563, 27.064, 28.066, 29.567, 30.568, 32.07, 33.071, 34.573, 36.073, 37.076, 38.578, 39.579, 41.079, 42.08, 43.582, 44.583]
    y-axis "CPU percent" 0 --> 500
    line [119.86, 131.79, 105.97, 125.77, 271.32, 135.9, 143.92, 182, 73.96, 215.78, 45.88, 55.95, 101.72, 7.98, 2, 9.99, 59.97, 49.89, 52, 113.93, 137.91, 108.06, 147.8, 171.83, 127.79, 121.88, 87.93, 25.97, 105.88, 5.98, 75.94, 87.75, 13.99, 13.99, 137.88, 113.85, 71.95, 101.89]
Loading 
xychart-beta
    title "HEAD memory: RSS then PSS"
    x-axis "Elapsed seconds" [0.035, 1.536, 2.538, 4.038, 5.039, 5.54, 6.542, 7.042, 7.542, 9.044, 10.046, 11.548, 13.05, 14.052, 15.553, 16.054, 16.554, 18.057, 19.058, 20.56, 21.56, 23.062, 24.562, 25.563, 27.064, 28.066, 29.567, 30.568, 32.07, 33.071, 34.573, 36.073, 37.076, 38.578, 39.579, 41.079, 42.08, 43.582, 44.583, 45.808]
    y-axis "Memory MiB" 0 --> 500
    line [12.3, 106.23, 112.19, 120.8, 161.23, 167.34, 181.41, 201.31, 166.07, 180.32, 169.45, 163.44, 169.36, 171.78, 159.63, 159.61, 134.48, 147.58, 149.9, 141.48, 179.79, 165.85, 194.41, 192.22, 180.25, 161.95, 177.09, 168.2, 148.38, 155.66, 152.48, 148.98, 152.86, 147.66, 139.97, 171.7, 158.61, 158.86, 176.36, 0]
    line [9.38, 102.92, 109.03, 117.7, 158.01, 164.23, 178.03, 198.04, 162.8, 176.31, 165.55, 159.84, 165.81, 168.18, 156.05, 156.04, 130.93, 144.01, 146.33, 137.91, 176.22, 162.34, 190.99, 188.65, 175.41, 158.33, 173.53, 164.4, 144.8, 152.08, 148.89, 149.53, 149.28, 144.08, 136.39, 159.79, 155.06, 155.26, 172.77, 0]
Loading

Deterministic fixture · required contract

The fixture exercises 15 routes: 8 are expected to emit rows and 7 intentionally exercise empty, loading, or timeout behavior.

Metric Base HEAD Δ
Run status success success —
Extracted rows / contract 40 / 40 40 / 40 0 (0.00%)
Contract fill 100.00% 100.00% 0.00 pp (0.00%)
Sites with rows 8 / 15 8 / 15 0 (0.00%)
Sites meeting row contract 15 / 15 15 / 15 0 (0.00%)
Unexpected empty sites 0 0 0
Partial-row sites 0 0 0
Site outcomes extracted: 7; HTTP error + rows: 1; empty: 3; timeout + empty: 4 extracted: 7; HTTP error + rows: 1; empty: 3; timeout + empty: 4 —
Observed duration 19.89 s 19.91 s +0.02 s (+0.10%)
Estimated CPU 0.44 s 0.43 s -0.01 s (-2.27%)
Peak PSS 57.82 MiB 58.25 MiB +0.43 MiB (+0.75%)
Peak RSS 61.06 MiB 61.32 MiB +0.26 MiB (+0.43%)
Peak threads 18 18 0 (0.00%)
Mismatched sites 0 0 0
Timeout with items 0 0 0

Full HTML, JSON, CSV, logs, and page snapshots: workflow run and full spider-bench-results artifact.

The public-web A/B is informational. The exact HEAD fixture contract runs as a separate required CI check; timing and public-site content deltas remain non-blocking.

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github-actions Bot commented Sep 8, 2026 •
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CI Regression Report

Source CI run · source state at render: in_progress · artifacts: 5/5

Check Status Signal
Release regression ✅ HEAD/base failures 0/0; raw binary +0.048160%
Frontend differential ✅ 1,020/1,020 cases matched; 0 issues; 1 Chromium reference recoveries
Agent episodes ✅ 8/8 Moli episodes passed; 0 failures
Runtime/CDP contracts ✅ 26 contract cases; 0 failures
CDP smoke ✅ 43/43 groups passed; 454 scenarios
Release regression — ✅ HEAD/base failures 0/0; raw binary +0.048160%

Package and image size

Metric Base HEAD Delta Delta %
Raw binary 149.12 MiB 149.19 MiB +73.54 KiB +0.048160%
Stripped binary 103.38 MiB 103.44 MiB +68.00 KiB +0.064236%
gzip binary 50.16 MiB 50.19 MiB +30.61 KiB +0.059581%
Rootfs 156.03 MiB 156.09 MiB +70.00 KiB +0.043813%
gzip rootfs 58.99 MiB 59.02 MiB +37.13 KiB +0.061478%

Startup latency and PSS

Case Base p50 HEAD p50 Delta Base PSS HEAD PSS Delta
Serve ready 7.01 ms 27.17 ms +20.15 ms 9.35 MiB 4.48 MiB −4.87 MiB
CDP first page 55.63 ms 51.52 ms −4.11 ms 6.61 MiB 4.19 MiB −2.42 MiB
CDP warm page 20.25 ms 13.67 ms −6.58 ms 49.57 MiB 48.94 MiB −649.00 KiB
CLI about:blank 22.74 ms 14.02 ms −8.72 ms 3.77 MiB 3.26 MiB −513.50 KiB
CLI local JS 17.86 ms 16.98 ms −0.89 ms 3.36 MiB 4.12 MiB +778.00 KiB

Concurrency matrix

Concurrency Base p50 HEAD p50 Delta Base PSS HEAD PSS Delta HEAD failures Unstable B/H
1 16.77 ms 16.80 ms +0.02 ms 744.00 KiB 743.00 KiB −1.00 KiB 0 0/0
5 19.04 ms 18.86 ms −0.19 ms 13.67 MiB 25.16 MiB +11.48 MiB 0 0/0
10 20.41 ms 19.16 ms −1.24 ms 11.85 MiB 25.41 MiB +13.56 MiB 0 0/0
25 20.08 ms 19.23 ms −0.85 ms 13.69 MiB 26.56 MiB +12.87 MiB 0 0/0
100 20.68 ms 20.33 ms −0.35 ms 27.33 MiB 13.94 MiB −13.39 MiB 0 0/0
Frontend differential — ✅ 1,020/1,020 cases matched; 0 issues; 1 Chromium reference recoveries
Match DOM mismatch Diagnostic mismatch Moli error Reference error Infrastructure error Mismatched frames Duration
1,020 0 0 0 0 0 0 6m 54.76s

Recovered Chromium reference infrastructure failures

  • react/dom-observer-reactions/mutation-subtree-old-values — 1 failed attempt(s) before recovery · unknown
Agent episodes · Moli vs Chromium — ✅ 8/8 Moli episodes passed; 0 failures
Fast contract Episodes Passed Assertions Ready p50 Episode p50
Moli 8 8 47/47 3.82 ms 24.48 ms
Chromium 8 8 47/47 297.96 ms 87.26 ms
Operation p50 Chromium Moli Delta Delta %
navigate 45.20 ms 8.03 ms −37.17 ms −82.23%
observe 0.71 ms 0.80 ms +0.09 ms +13.18%
fill 3.87 ms 2.91 ms −0.95 ms −24.68%
click 4.85 ms 3.33 ms −1.52 ms −31.31%
Idle-resource episode Peak RSS Peak PSS Average CPU Peak CPU Peak processes Sampler
Moli 63.86 MiB 61.07 MiB 0.64% 10.01% 1 ✅
Chromium 1287.38 MiB 334.78 MiB 2.43% 95.98% 13 ✅
Runtime and CDP session contracts — ✅ 26 contract cases; 0 failures
Suite Cases Failures Median case p50 Median case p95 Median peak PSS p50
Synthetic fetch 13 0 15.90 ms 16.79 ms 584.00 KiB
Long-lived CDP session 13 0 19.37 ms 19.67 ms —
CDP smoke — ✅ 43/43 groups passed; 454 scenarios

Workers: 4 · cumulative group time: 125.94 s · failed groups: 0

Slowest group Scenarios Duration Status
chromium-cdp 56 12.79 s ✅
multi-page 45 11.24 s ✅
dom-input 26 10.38 s ✅
layout-screenshot 5 7.70 s ✅
core 35 7.09 s ✅

All artifact fields are parsed by the trusted default-branch renderer; missing or invalid inputs remain visible as unavailable.

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