fix(reliability): encode str stdin in device_run; smoke drill path fixes + regression tests

scripts/smoke.sh

@@ -39,6 +39,9 @@ set -u
 
 BASE=/mmc/mk8
 REL="$BASE/releases/current"
+# Release layout: <release>/user/<category>/<key>/... — resolve the payload dir.
+REL_PAY="$(find "$REL/user" -maxdepth 3 -name server.py 2>/dev/null | head -n 1)"
+REL_PAY="${REL_PAY%/server.py}"
 LEGACY=/root/payloads/user/remote_access/pager-webui
 URL=http://127.0.0.1:8080
 GUARD_INIT=/etc/init.d/mk8-guard
@@ -221,9 +224,9 @@ check_monitors() {
 }
 
 check_versions() {
-    sv="$(grep '^SERVER_VERSION' "$REL/server.py" 2>/dev/null | head -n 1 \
+    sv="$(grep '^SERVER_VERSION' "$REL_PAY/server.py" 2>/dev/null | head -n 1 \
         | sed -e 's/^SERVER_VERSION = //' -e "s/'//g" | tr -d '\r')"
-    pv="$(grep '^#[ ]*[Vv]ersion:' "$REL/payload.sh" 2>/dev/null | head -n 1 \
+    pv="$(grep '^#[ ]*[Vv]ersion:' "$REL_PAY/payload.sh" 2>/dev/null | head -n 1 \
         | sed 's/^#[ ]*[Vv]ersion:[ ]*//' | tr -d '\r')"
     if [ -n "$sv" ] && [ "$sv" = "$pv" ]; then
         pass "versions: release server.py and payload.sh agree ($sv)"
@@ -241,7 +244,7 @@ check_authed_api() {
         fail 'authed API: python3 not found for response check'
         return
     fi
-    body='{"password":"'"$PASS"'"}'
+    body='{"username":"root","password":"'"$PASS"'"}'
     code="$(curl -fsS -m 10 -o /dev/null -w '%{http_code}' \
         -c "$JAR" -H 'Content-Type: application/json' \
         -d "$body" "$URL/api/login" 2>/dev/null)"
@@ -272,7 +275,7 @@ drill_bad_values() {
 
     uci set pineapd.wlan1mon.bands='2,5'
     uci commit pineapd
-    "$PY" "$REL/server.py" --reconcile >/dev/null 2>&1
+    "$PY" "$REL_PAY/server.py" --reconcile >/dev/null 2>&1
     got="$(uci_get pineapd.wlan1mon.bands)"
     if [ "$got" = "5" ]; then
         pass 'drill: reconcile repaired bands 2,5 -> 5'
@@ -289,7 +292,7 @@ drill_bad_values() {
     done
     uci set "pineapd.@ssidpool[0].ssid=${list# }"
     uci commit pineapd
-    "$PY" "$REL/server.py" --reconcile >/dev/null 2>&1
+    "$PY" "$REL_PAY/server.py" --reconcile >/dev/null 2>&1
     got="$(uci_get 'pineapd.@ssidpool[0].ssid')"
     if [ -z "$got" ]; then
         pass 'drill: reconcile cleared oversized SSID pool'
@@ -303,7 +306,7 @@ drill_bad_values() {
         uci -q delete 'pineapd.@ssidpool[0].ssid'
     fi
     uci commit pineapd
-    "$PY" "$REL/server.py" --reconcile >/dev/null 2>&1
+    "$PY" "$REL_PAY/server.py" --reconcile >/dev/null 2>&1
 }
 
 drill_role() {
@@ -368,12 +371,24 @@ PYEOF
 }
 
 drill_watchdog() {
-    WDOG="$REL/mk8-watchdog.sh"
+    WDOG="$REL_PAY/mk8-watchdog.sh"
     [ -f "$WDOG" ] || WDOG="$LEGACY/mk8-watchdog.sh"
     if [ ! -f "$WDOG" ]; then
         fail 'drill: mk8-watchdog.sh not found in release or legacy dir'
         return
     fi
+    # Ensure a profile exists: snapshot the live config as the drill target.
+    if [ ! -d "$BASE/profiles" ] || [ -z "$(ls "$BASE/profiles" 2>/dev/null)" ]; then
+        "$PY" - "$REL_PAY" <<'PYEOF' >/dev/null 2>&1 || {
+import sys
+sys.path.insert(0, sys.argv[1])
+import mk8_profiles
+mk8_profiles.snapshot('smoke-drill')
+PYEOF
+        fail 'drill: could not snapshot a profile for watchdog drill'
+        return
+        }
+    fi
     prof=lastknown-good
     [ -d "$BASE/profiles/$prof" ] \
         || prof="$(ls "$BASE/profiles" 2>/dev/null | head -n 1)"