diff --git a/files/dev-CLAUDE.md b/files/dev-CLAUDE.md
index 6b2f150..9e3a5cd 100644
--- a/files/dev-CLAUDE.md
+++ b/files/dev-CLAUDE.md
@@ -26,13 +26,30 @@ PR contract in `upstream-prs/`. See the lnbits-sensei README's
 
 ## Quick commands
 
-- `dev up [--fakewallet|--regtest]` — start the lnbits dev server.
-  Default `--fakewallet` is instant, no docker, good for
-  extension/UI/API work.
-- `dev down` / `dev logs` / `dev shell` — control / inspect.
-- *(planned)* `prb <repo> <branch>` — create a PR worktree branched
-  from `upstream/main` under `~/dev/upstream-prs/`.
-- *(planned)* `lb <worktree>` — cd shortcut into `~/dev/lnbits/<worktree>`.
+Installed by lnbits-sensei's dev-env module — standalone binaries plus
+shell functions sourced into interactive shells:
+
+- `dev-env-bootstrap` — materialize bare repos + worktrees from your
+  declared `projects` (idempotent; `--dry-run` to preview).
+- `lb <worktree>` — cd into `~/dev/lnbits/<worktree>` (e.g. `lb dev`).
+  `g <category> <repo>`, `ext <name>`, `prs`, `shared`, `repos` cover
+  the rest of the tree.
+- `prb <repo> <branch>` — create a PR worktree branched from
+  `upstream/main` under `~/dev/upstream-prs/`; `prc` cleans up, `prl`
+  lists.
+- `dev-status` — dirty + ahead/behind across every worktree. `wts` /
+  `wtu` sync worktrees / fetch upstream; `rebase status` shows which
+  forks need rebasing onto upstream.
+- `regtest-start <worktree>` / `regtest-stop` — Bitcoin/Lightning
+  regtest stack (only when `devEnv.regtest.enable = true`; needs docker).
+- `dev-deploy <host>` — `nixos-rebuild` against your deploy flake.
+  `dev-tm <session>` — launch a declarative tmux session.
+
+**Starting lnbits for iteration:** there is no `dev up` wrapper.
+FakeWallet (`LNBITS_BACKEND_WALLET_CLASS=FakeWallet`) is the default
+path — no docker; run lnbits directly from the worktree (`lb dev`, then
+lnbits's own run command). Use `regtest-start` only when you need real
+channels/payments.
 
 ## Reference docs
 
diff --git a/files/lnbits-CLAUDE.md b/files/lnbits-CLAUDE.md
index a091104..2f5d5e8 100644
--- a/files/lnbits-CLAUDE.md
+++ b/files/lnbits-CLAUDE.md
@@ -70,9 +70,19 @@ Full reference: `docs/lnbits-upstream-flow.md`.
 
 ## Default dev workflow
 
+There is no `dev up` wrapper. Start lnbits directly from a worktree:
+
 ```
-dev up                  # FakeWallet, instant
-dev up --regtest        # multi-node regtest (slower boot, real channels)
+lb dev                  # cd ~/dev/lnbits/dev
+LNBITS_BACKEND_WALLET_CLASS=FakeWallet <lnbits run command>   # instant, no docker
+```
+
+For real channels/payments, use the regtest stack (gated on
+`devEnv.regtest.enable`; needs docker):
+
+```
+regtest-start dev       # build lnbits from ~/dev/lnbits/dev, bring the stack up
+regtest-stop
 ```
 
 Use **FakeWallet** for extension CRUD / UI / API work. Spin up
diff --git a/modules/dev-env/scripts/pr-helpers.sh b/modules/dev-env/scripts/pr-helpers.sh
index 46763d5..765cb03 100644
--- a/modules/dev-env/scripts/pr-helpers.sh
+++ b/modules/dev-env/scripts/pr-helpers.sh
@@ -113,8 +113,17 @@ git-pr-cleanup() {
     git -C "$bare_repo" worktree remove "$pr_path"
 
     echo "Deleting branch: $branch_name"
-    git -C "$bare_repo" branch -d "$branch_name" 2>/dev/null \
-        || git -C "$bare_repo" branch -D "$branch_name"
+    if ! git -C "$bare_repo" branch -d "$branch_name" 2>/dev/null; then
+        echo "  Branch '$branch_name' is not fully merged."
+        read -r -p "  Force-delete it (unmerged commits will be lost)? [y/N] " -n 1 REPLY
+        echo
+        if [[ $REPLY =~ ^[Yy]$ ]]; then
+            git -C "$bare_repo" branch -D "$branch_name"
+        else
+            echo "  Kept branch '$branch_name' (worktree already removed)."
+            return 1
+        fi
+    fi
 
     echo "Done."
 }
diff --git a/modules/dev-env/scripts/rebase.sh b/modules/dev-env/scripts/rebase.sh
index 60078ca..c311adb 100644
--- a/modules/dev-env/scripts/rebase.sh
+++ b/modules/dev-env/scripts/rebase.sh
@@ -311,7 +311,7 @@ cleanup_backups() {
     local deleted=0
     while IFS=: read -r path _; do
         cd "$path" || continue
-        git branch --list "backup/*" 2>/dev/null | while read -r branch; do
+        while read -r branch; do
             branch="$(echo "$branch" | tr -d ' *')"
             local bdate
             bdate="$(echo "$branch" | grep -oE '[0-9]{8}' | head -1)"
@@ -319,7 +319,7 @@ cleanup_backups() {
                || { [[ -n "$bdate" ]] && [[ "$bdate" < "$cutoff" ]]; }; then
                 git branch -D "$branch" 2>/dev/null && deleted=$((deleted + 1)) || true
             fi
-        done
+        done < <(git branch --list "backup/*" 2>/dev/null)
     done < <(find_forked_repos)
     success "Deleted $deleted backup branch(es)."
 }