feat(web): light SaaS production homepage + docs chrome

[shi275773124]

Summary

• Ship light SaaS visual language on production homepage (design/falsify-flow-candidate/) and docs chrome
• Indigo brand tokens, Partner/合作 nav, kill residual dark-theme color leaks
• Add public narrative plan v2 + regression tests for light theme

Test plan

• py -3.12 -m pytest tests/test_flow_candidate.py (5 passed)
• Local smoke http://127.0.0.1:8877/ — light scheme, hero-ps, partner
• Docs /docs/ — fafafa theme, Partner link, indigo brand
• ZH toggle — 看起来绿了 / 痛点 / 解法 / 合作
• After merge: VPS git pull + systemctl restart falsify-web; curl hero-ps + color-scheme=light

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Review details

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Run ID: d3f59768-8c94-45b4-93f7-d46558170605

📥 Commits

Reviewing files that changed from the base of the PR and between f23b190 and 5cc9523.

📒 Files selected for processing (8)

• design/README.md
• design/falsify-flow-candidate/candidate.css
• design/falsify-flow-candidate/candidate.js
• design/falsify-flow-candidate/index.html
• design/falsify-flow-docs/candidate.css
• docs/public-narrative-plan-v2.md
• tests/test_flow_candidate.py
• web/serve.py

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/mobile-p3-polish

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[github-actions]

Falsify Review (L2 lint)

⚠️ VERDICT: PASS_WITH_DEBT · tier=normal · base=origin/main · ceiling=L2_LINT / EPISTEMIC_ONLY

Scope: static decision-doc gate only. Not quant promotion authority. Not capital authorization.

Falsify gate — tier=auto, base=origin/main
Authority ceiling: L2_LINT | Capital: NONE
Changed .md files: 0

No changed .md files in this PR.

kernel=falsify.authority_kernel.finalize_authority; L2 lint is not production/quant authority.

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Powered by falsify gate — L2 lint / epistemic-only. run #29884275092