optimize: find the parent commits when no latest commit's baseline (#19)

[yifancong]

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[github-actions]

Rsdoctor Bundle Diff Analysis

⚠️ Note: The latest commit (75d22a3e72) does not have baseline artifacts. Using commit a442dd7bb7 for baseline comparison instead. If this seems incorrect, please wait a few minutes and try rerunning the workflow.

Found 2 project(s) in monorepo.

📊 Quick Summary (Click to expand)

Project	Total Size	Change
rsbuild-demo	190.4 KB	➡️ 0 B (0.0%)
rsbuild-demo2	190.7 KB	➡️ 0 B (0.0%)

📋 Detailed Reports (Click to expand)

📁 rsbuild-demo

Path: examples/rsbuild-demo/dist/.rsdoctor/rsdoctor-data.json

📌 Baseline Commit: a442dd7bb7 | PR: #18

Metric	Current	Baseline	Change
📊 Total Size	190.4 KB	190.4 KB	0 B (0.0%)
📄 JavaScript	188.5 KB	188.5 KB	0 B (0.0%)
🎨 CSS	345.0 B	345.0 B	0 B (0.0%)
🌐 HTML	374.0 B	374.0 B	0 B (0.0%)
📁 Other Assets	1.2 KB	1.2 KB	0 B (0.0%)

📦 Download Diff Report: rsbuild-demo Bundle Diff

📁 rsbuild-demo2

Path: examples/rsbuild-demo2/dist/.rsdoctor/rsdoctor-data.json

📌 Baseline Commit: a442dd7bb7 | PR: #18

Metric	Current	Baseline	Change
📊 Total Size	190.7 KB	190.7 KB	0 B (0.0%)
📄 JavaScript	188.8 KB	188.8 KB	0 B (0.0%)
🎨 CSS	345.0 B	345.0 B	0 B (0.0%)
🌐 HTML	374.0 B	374.0 B	0 B (0.0%)
📁 Other Assets	1.2 KB	1.2 KB	0 B (0.0%)

📦 Download Diff Report: rsbuild-demo2 Bundle Diff

Generated by Rsdoctor GitHub Action