CLAUDE.md: hand session sync to the hooks

Pulling at session start and the commit/push reminder now run as hooks in Desktop\Claude\.claude (outside the repo). Claude only does them by hand in sessions opened elsewhere.

CLAUDE.md

@@ -5,24 +5,28 @@
 This repo is backed up to `http://10.3.8.90:3000/chris/AV-Watch` (private, branch
 `main`). The Git login is in Windows Credential Manager, not in this repo.
 
-1. **Pull at the start.** Before starting on the first request of every session,
+For sessions opened in `C:\Users\Live Stream\Desktop\Claude`, hooks do the syncing
-   pull in the repo root (`C:\Users\Live Stream\Desktop\Claude\avwatch`):
+(`.claude\settings.json` and `.claude\hooks\avwatch-sync.ps1` in that folder,
+outside this repo):
+
+- **At session start** a hook runs `git pull --ff-only` and adds the result to your
+  context as "AVWatch SessionStart hook: ...". Don't pull again. If it says the
+  pull was skipped, mention that in your first reply, and don't stash, reset,
+  rebase or merge to get past it unless asked.
+- **After each reply** a hook shows the user a one-line note while anything is
+  uncommitted or unpushed, so don't add a reminder of your own. Only commit or
+  push when asked.
+
+In a session opened anywhere else the hooks don't run, so do both by hand: pull
+before the first request, and end any reply that leaves work uncommitted or
+unpushed with a one-line reminder and an offer to commit and push.
 
 ```powershell
 # 'never' makes a bad token fail fast instead of opening a login window
 $env:GCM_INTERACTIVE = 'never'; git pull --ff-only
 ```
 
-   Report the result in one line, then carry on with the request. If the pull
+If `git` isn't found, use `C:\Program Files\Git\cmd\git.exe`.
-   fails (server unreachable, local changes in the way, history diverged), say
-   why in that line and carry on. Don't stash, reset, rebase or merge to get past
-   it unless asked. If `git` isn't found, use `C:\Program Files\Git\cmd\git.exe`.
-
-2. **Remind before finishing.** When you finish a piece of work and `git status`
-   shows uncommitted changes or unpushed commits, end your reply with a one-line
-   reminder of what isn't on Gitea yet and offer to commit and push. Do the same
-   when the user says they're wrapping up. Only commit or push when asked, and
-   don't repeat the reminder if nothing has changed since the last one.
 
 ## What this is