perf(icons): reduce and guard SVG path precision

[j15z]

Summary

Reusable icon SVGs now ship without invisible coordinate precision, and CI prevents that byte cost from returning. Literal icon paths are limited to three decimal places across 180 scoped files, with a reasoned path-local exception available when rounding would visibly change geometry.

The Sim wordmark remains byte-for-byte unchanged and is the sole remaining React Doctor SVG precision finding. The Quartr pattern also keeps its exact 1/280 scale because rounding that structural transform would hide the image.

Metric	staging	This PR
Literal icon paths above three decimals	252	0
Raw source across the eight changed icon files	1,608,775 bytes	1,563,995 bytes (-44,780)
Whole-file gzip proxy	666,826 bytes	642,847 bytes (-23,979)
React Doctor SVG precision findings	8 in the original sweep	1 untouched wordmark

The gzip measurement compares source files, not production bundles; final download savings depend on bundling and tree-shaking.

Type of Change

• Bug fix
• New feature
• Breaking change
• Documentation
• Other: Performance improvement and CI guardrail

Testing

• bun run test:icon-path-precision: 6 tests passed, covering the three-decimal boundary, scientific notation, literal JSX forms, and the reasoned exception contract
• bun run check:audits: all 31 repository audits passed, including icon path syntax, SVG precision, generated docs, API validation, and monorepo boundaries
• bun run type-check passed in apps/sim, apps/docs, and packages/emcn
• bunx react-doctor@latest --verbose: 3,449 total existing findings; rendering-svg-precision reports only the untouched OG wordmark
• Before/after rendering was inspected at identical viewport and display sizes for all eight changed icon files

Reviewers should focus on whether the three-decimal boundary and path-local exception are appropriate for reusable icons. The check intentionally excludes transforms, view boxes, dynamic path expressions, and page-specific artwork.

Checklist

• Code follows project style guidelines
• Self-reviewed my changes
• Tests added/updated and passing
• No new warnings introduced
• I confirm that I have read and agree to the terms outlined in the Contributor License Agreement (CLA)

Screenshots/Videos

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Project	Deployment	Actions	Updated (UTC)
docs	Ready	Preview	Aug 20, 2026 2:31am

[cursor]

PR Summary

Low Risk
Cosmetic SVG coordinate formatting only; no runtime logic or auth changes. Risk is limited to rare visible icon distortion if rounding were wrong—PR validation targets that.

Overview
Icon SVG paths in apps/docs/components/icons.tsx are rounded to two decimal places (and similar cleanup elsewhere in the icon sweep), replacing long fractional coordinates and scientific-notation zeros with shorter literals. The goal is smaller shipped source and clearing React Doctor rendering-svg-precision findings without changing visible artwork.

The Sim wordmark and Circleback pattern scale are intentionally left unchanged per the PR description. A check:icon-path-precision script enforces at most three fractional digits on literal <path d> values in shared icon catalogs, with optional documented exceptions.

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[greptile-apps]

Greptile Summary

This PR reduces numeric precision in static SVG geometry to decrease icon markup size while preserving component APIs and rendering structure.

• Rounds SVG path coordinates in the shared docs and Sim icon collections.
• Applies the same optimization to five EMCN icon components.
• Rounds the Sim wordmark geometry used by the documentation Open Graph image endpoint.

Confidence Score: 5/5

The PR appears safe to merge because the SVG precision reductions preserve valid geometry and existing component contracts.

The changes are limited to static numeric SVG data; command structures, fills, view boxes, exports, and runtime behavior remain intact, with no concrete observable failure identified.

Important Files Changed

Filename	Overview
apps/docs/app/api/og/route.tsx	Rounds the Sim wordmark’s path coordinates without changing the OG image route behavior or SVG structure.
apps/docs/components/icons.tsx	Reduces precision across static icon geometry; paths remain valid and no actionable rendering regression was identified.
apps/sim/components/icons.tsx	Mirrors the docs icon precision reductions without changing exported component contracts.
packages/emcn/src/icons/bubble-chat-delay.tsx	Rounds static path coordinates while preserving the icon component API and SVG command structure.
packages/emcn/src/icons/download.tsx	Rounds static path coordinates with no identified functional or rendering defect.
packages/emcn/src/icons/duplicate.tsx	Rounds static path coordinates with no identified functional or rendering defect.
packages/emcn/src/icons/mic.tsx	Rounds static path coordinates with no identified functional or rendering defect.
packages/emcn/src/icons/upload.tsx	Rounds static path coordinates with no identified functional or rendering defect.

_{Reviews (1): Last reviewed commit: "perf(react): reduce SVG path precision" | Re-trigger Greptile}

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