⚡ Bolt: [performance improvement]

[subsubl]

💡 What:
Replaced Array.from(filesMap.value.entries()).find(...) with a for...of loop over filesMap.value.entries() when looking for appinfo.spixi and icon.png in pages/builder.vue.

🎯 Why:
Using Array.from() creates a full, intermediate array in memory containing all the entries from the Map. When packaging an app with many files, this unnecessarily allocates an array of size O(N) only to search through it once. By using a for...of loop directly on the entries() iterator, we iterate with O(1) additional memory and can break out of the loop immediately when the target file is found, rather than parsing all entries.

📊 Impact:

• Eliminates O(N) array allocation when checking for required files.
• Reduces garbage collection (GC) pressure.
• Provides a fast path (early return/break) instead of evaluating the full array size.

🔬 Measurement:
While this is a micro-optimization for small apps, it provides a more scalable baseline for apps containing numerous assets. Verification can be done by observing reduced heap snapshot allocation under a heavy file load in the builder or by ensuring the build commands (pnpm build) complete cleanly (as they did in validation).

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PR created automatically by Jules for task 14918157314841192907 started by @subsubl

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