The Package Sync That Wasn’t
I started with three issues queued on a single branch — sync the .casehub-packages directory in blocks-ui, port LSP fixes to the CaseHub YAML plugin, and register the domain schema formats. The branch existed but had zero implementation. A scaffolding session had created it and written the handover.
The first thing that went wrong was also the most instructive. The blocks-ui repo in this slot was sitting on slot-190-intellij-plugin, a branch stamped as closed. The lsp-schemas package — the one that holds domain format registrations and the bundled LSP server — had no source directory on that branch. It existed on main but couldn’t be seen because the worktree clone can’t check out main (the parent repo holds it). Creating a new branch from main brought the source tree back, and suddenly .casehub-packages was already in sync. Issue #445 resolved itself.
Except “in sync” was a misleading frame. I’d spent time diffing source trees between the pages repo and .casehub-packages, finding zero differences, and wondering what was stale. Claude spotted the answer: .casehub-packages/packages/pages-lsp is a symlink to pages/packages/pages-lsp, not a vendored copy. They’re literally the same directory. The entire concept of “syncing” was meaningless — there’s nothing to sync when both paths resolve to the same inode.
Issue #446 was straightforward porting work. The pages IntelliJ plugin had accumulated fixes during earlier LSP4IJ debugging — TextDocumentSync needing an object form instead of a bare enum, serverInfo in the initialize response, textEdit ranges in completion items, Node.js fallback paths for macOS, and the stale bundle cache. The blocks-ui plugin was missing all of them. Six changes, a new CompletionWeigher class for all CaseHub YAML formats, and 60 tests still green.
The interesting failure came during the build. After applying the fixes, tsc compiled fine and tests passed. Then I ran the full build-and-bundle pipeline, and five test suites broke with ReferenceError: exports is not defined in ES module scope. The pages-lsp dist had been built by a prior session using CJS output — Object.defineProperty(exports, ...) — while the package.json declares "type": "module". The mismatch was always there, but something about running the build changed how vitest resolved the module. Rebuilding pages-lsp from the pages repo context (where the tsconfig inherits module: "ESNext") produced proper ESM output and the tests came back green.
Issue #447 — the domain format registrations — was already done. The lsp-schemas package on main had complete registrations for CaseDefinition, SWF, HTN, and Org, with generated Zod schemas, content detectors, symbol extractors, and staleness tests. The issue described a problem that had been solved in an earlier branch.
Three issues closed with two commits in blocks-ui and zero code changes in pages. The work was entirely operational — getting the right branch, finding the right build context, porting existing fixes across a plugin boundary. The kind of session where the interesting part isn’t what was built, but what was discovered about how things are wired.