verify-concurrent-session-changeslisted
Install: claude install-skill justinmchoi/ai-toolkit
# Verify Concurrent Session Changes (Shared, Non-Git Folder)
Built from two dated occurrences of the same gap (2026-08-11 self-initiated
concurrency check; 2026-08-12, different context — user pointed at a
specific already-finished session's output to reconcile against). Clears
`process-vs-work-doctrine` rule 1. Per rule 3, kept in this single-file form
— no spec directory, no install script, no CONTEXT.md — until a third real
use.
## Procedure
### 1. Find candidates by timestamp
List files/folders in the shared tree by modification time, relative to
your own last-known-good state (when you last read or wrote into that
folder). This gives you the candidate set of what changed and roughly when
— not proof of what changed, just where to look.
### 2. Find stale references
If anything in the candidate set was renamed or moved, grep the **entire**
shared tree (not just the changed files) for the old name/path. A hit means
a pointer wasn't updated — something is now broken, not just "different."
Do this step regardless of how thorough step 1's timestamp scan looked;
renames are exactly the kind of change that looks clean by timestamp alone
and broken everywhere else.
### 3. Read full content, not just confirm change
For each genuinely changed or new item, read it completely. A changed
timestamp only tells you *that* something changed, never *how*. Judge
whether the change is additive/consistent with your own work or
contradictory — and say which, explicitly, rather than rep