test(05): complete UAT - 8 passed, 0 issues

.planning/phases/05-per-project-instance-isolation/05-UAT.md

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+---
+status: complete
+phase: 05-per-project-instance-isolation
+source: [05-01-SUMMARY.md, 05-02-SUMMARY.md]
+started: 2026-04-13T14:03:08Z
+updated: 2026-04-16T00:00:00Z
+---
+
+## Current Test
+
+[testing complete]
+
+## Tests
+
+### 1. Per-Project Instance Directory Created
+expected: When `claudebox` starts in a project, `~/.claudebox/projects/<16-char-hex-hash>/` is created (or already exists) with a `project-root` file containing the canonical project path. Verify with: `ls ~/.claudebox/projects/` shows a hex-named dir, and `cat ~/.claudebox/projects/*/project-root` shows your project path.
+result: pass
+
+### 2. Direct ~/.claude Bind — Config and Skills Visible
+expected: Inside the sandbox, Claude Code has access to your full `~/.claude` config — plugins, skills, hooks, MCP configs, settings, commands. Not a bare empty dir. You can confirm by checking that custom skills or MCP servers you've added to `~/.claude/` are available inside a `claudebox` session.
+result: pass
+
+### 3. Per-Project projects/ Isolation
+expected: Two different projects get different `~/.claude/projects/` dirs inside the sandbox. The conversation history and project state for project A does not appear when running `claudebox` from project B. Each project's instance dir is isolated under `~/.claudebox/projects/<hash>/`.
+result: pass
+
+### 4. Worktree Uses Same Instance Dir as Main Worktree
+expected: Running `claudebox` from a git worktree of a repo resolves to the same instance directory as running it from the main worktree. Both show the same `<hash>` in `~/.claudebox/projects/`. The `project-root` file in both cases points to the main worktree root.
+result: pass
+
+### 5. /bin/sh Available — Git Hooks Work
+expected: Inside the sandbox, `/bin/sh` exists (symlinked to bash). Git hooks that reference `#!/bin/sh` or exec `/bin/sh` do not fail with `ENOENT`. Verify by running a `git commit` or `git status` in a repo that has shell hooks.
+result: pass
+
+### 6. --gc Removes Stale Instance Dirs
+expected: Running `claudebox --gc` scans `~/.claudebox/projects/` and removes any directory whose `project-root` file points to a path that no longer exists on disk. It prints `Removed: <dir> (project root gone: <path>)` for each removed dir and ends with `GC complete: N instance(s) removed.`
+result: pass
+
+### 7. --gc Preserves Valid Instance Dirs
+expected: Running `claudebox --gc` does NOT remove instance dirs for projects that still exist on disk. After `--gc`, `~/.claudebox/projects/<hash>/` for currently existing projects is still present.
+result: pass
+
+### 8. --gc Exits Without Launching Claude
+expected: Running `claudebox --gc` completes and returns to the shell without launching Claude Code. It does not start bwrap or open an interactive session.
+result: pass
+
+## Summary
+
+total: 8
+passed: 8
+issues: 0
+pending: 0
+skipped: 0
+blocked: 0
+
+## Gaps
+
+[none yet]