[TEST] Pre-build dist integrity check — verify bus methods survive bundling

[four-bytes-robby]

Problem

The brain plugin had a bug where forProject was stripped from the bundled dist because the dependency was pinned to a stale version. This went undetected because there was no post-build verification.

Test File

Create test/dist-integrity.test.ts with the following test cases:

1. forProject is present in the server dist — read dist/four-opencode-brain.js, verify forProject appears at least 2 times (definition + call site). If only 1 occurrence, method was stripped → FAIL.
2. forService is present — verify at least 2 occurrences (definition + call site).
3. forSession is present — verify at least 1 occurrence (definition).
4. Brain version matches package.json — read version from package.json, verify it appears in the dist.

Integration

Add "test": "bun test" to package.json scripts.

Verification

Run bun test after build to confirm all checks pass.

[four-bytes-robby]

Recreating with correct title

[coderabbitai]

🔗 Related PRs

#140 - fix: reduce throttle to 0.5s, fix sidebar layout wrapping [merged]
#148 - fix: sidebar always subscribes to brain/status for ingest progress [merged]
#150 - fix: brain never reaches 'ready' status + console.warn → app.log [merged]
#155 - feat: project-scoped bus + immediate auto-ingest + app.log warnings #151 #152 #153 [merged]

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