[AbirAbbas]

Why

Two bugs found while testing #2536 and the hosted relay locally. Each has its own issue with a replication anyone can run.

What changes

• Fixes A computer that opened codeaf once cannot join another: 'this computer has local work' with no chats #2538: a computer that only opened codeaf can join another.
  • Before: opening codeaf once and quitting leaves an empty conversation: its environment inventory, an empty owned working folder with its own Git repository, a capture policy, empty memories and session files, and a transcript with no turns. codeaf pair then refused with "this computer has local work", although there were no chats. The code meant to let a computer that has only been started join.
  • Now: those files count as starting, so code pairing and link pairing both go through without --replace.
  • Still refused: a sent turn, saved memories, settings, or any file staged or committed in the owned repository. Git's file names are read NUL-terminated and never trimmed, so even a staged-then-deleted file named only with spaces counts as work.
• Fixes Local hosted relay dev server rebuilds in a loop and grows to ~9 GB before aborting #2541: the local relay no longer rebuilds in a loop.
  • Before: scripts/raft-hosted-build.sh wrote the 11 MB src/raft/core.wasm inside the folder wrangler dev watches, so rewriting it, even with identical bytes, could run the hook again. Under disk load, npm run dev rebuilt and reloaded in a loop. Every reload grew the Node process until it aborted at about 9 GB, and on WSL each abort wrote a crash dump of that size.
  • Now: the Go build is reproducible, so the hook builds beside the tree and moves the module into place only when its bytes differ. relay/hosted/test/local.sh caps Node's heap at 2 GB unless the caller sets its own limit.

Taken back out: #2539, a chat whose project folder Git ignores cannot be saved. A review showed the codeaf-only workaround had three problems:

• it let the project's own .furrowpolicy into saved history unscreened;
• it still lost the chat when that policy turned on gitignore;
• it broke past the engine's 1,024-rule limit and on non-English Git.

The engine has to keep the chat's own state when Git ignores the whole folder. #2539 stays open with those findings.

Validation

• A computer that opened codeaf once cannot join another: 'this computer has local work' with no chats #2538: real code and link pairing for a started-only joiner, with a one-turn joiner still refused. A new test covers staged and committed work named only with spaces, after the file has left the folder; it fails with the old trimming.
• Local hosted relay dev server rebuilds in a loop and grows to ~9 GB before aborting #2541: the build hook was run twice in a row. The second run left core.wasm's modification time, inode and size unchanged, and left no temporary file.
• Other suites: the manual gates and make test-laws pass. The touched package suites run on CI. Locally they could only hit deadlines while other sessions held the laptop's disk at 60 to 90 % pressure.

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