feat(S89): M2.97 预置 meow_powermgr.conf + 存量热更 exec(/usr/data→/usr/bin) 迁移; fw_content.conf 同步 M2.97(launcher 899ac22c M4+depends / audiod 176c840d 电平监控+锥度 / watchdog 553840cd 锥度 / powermgr 469dddb7 新入固件 / nyai a7d24553 depends)

patch_v2/meow_svcd/S89meow_svcd

@@ -151,6 +151,29 @@ EOF
             chmod 644 /usr/data/meow/services.d/meow_amsd.conf
             echo -n "provisioned amsd.conf "
         fi
+        # meow_powermgr（M2.97 入固件）：预置 conf；热更期 exec 指 /usr/data 副本的
+        # 存量 conf 迁移回 /usr/bin（conf 存在即跳过的预置逻辑覆盖不到该场景）。
+        if [ -f /usr/data/meow/services.d/meow_powermgr.conf ]; then
+            if grep -q '^exec=/usr/data/meow_powermgr' /usr/data/meow/services.d/meow_powermgr.conf && [ -x /usr/bin/meow_powermgr ]; then
+                sed -i 's|^exec=/usr/data/meow_powermgr|exec=/usr/bin/meow_powermgr|' /usr/data/meow/services.d/meow_powermgr.conf
+                echo -n "migrated powermgr.conf exec->/usr/bin "
+            else
+                echo -n "powermgr.conf exists "
+            fi
+        else
+            cat > /usr/data/meow/services.d/meow_powermgr.conf <<'EOF'
+exec=/usr/bin/meow_powermgr
+args=
+enabled=1
+restart=on-fail
+backoff_ms=2000
+max_restart=5
+trigger=boot
+cap=
+EOF
+            chmod 644 /usr/data/meow/services.d/meow_powermgr.conf
+            echo -n "provisioned powermgr.conf "
+        fi
     else
         echo -n "skip svc confs (/usr/data/meow not writable) "
     fi