Change: Add ~18 test files to reach a 80% test-to-source ratio

30 test files today against ~60 source files (Good (50-80%))

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Change: Fix no-weak-crypto: MD5 hash used — cryptographically weak (no-weak-crypto)

4 occurrences in 3 files (src/notify-center.js, src/screenshot-service.js, src/slack-bridge.js)

Where — MD5 hash used — cryptographically weak:

• src/notify-center.js:179
• src/screenshot-service.js:176, 177
• src/slack-bridge.js:823

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Change: Add a LICENSE file

Unlicensed code is legally unusable by anyone else

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Change: Split the largest files to bring average size under 10,000 bytes

Average is 13,455 bytes across 77 files; start with orchestrator.js, memory-server.js, deck-server.js

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Change: Add CONTRIBUTING.md

Tells collaborators how to work on the repo

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Change: Add a CHANGELOG

Lets users see what changed between versions

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