(Experimental) External CLI plugins -29kb DFU

Idea and plugin loader implementation by @akopachov, thanks!
All commands done except storage and rpc for latency reasons

applications/services/power/application.fam

@@ -17,6 +17,15 @@ App(
     sdk_headers=["power_service/power.h", "power_settings.h"],
 )
 
+App(
+    appid="power_cli",
+    targets=["f7"],
+    apptype=FlipperAppType.PLUGIN,
+    entry_point="power_cli_plugin_ep",
+    requires=["cli"],
+    sources=["power_cli.c"],
+)
+
 App(
     appid="power_start",
     apptype=FlipperAppType.STARTUP,

applications/services/power/power_cli.c

@@ -106,14 +106,14 @@ void power_cli(Cli* cli, FuriString* args, void* context) {
     furi_string_free(cmd);
 }
 
-void power_on_system_start() {
-#ifdef SRV_CLI
-    Cli* cli = furi_record_open(RECORD_CLI);
+#include <flipper_application/flipper_application.h>
 
-    cli_add_command(cli, "power", CliCommandFlagParallelSafe, power_cli, NULL);
+static const FlipperAppPluginDescriptor plugin_descriptor = {
+    .appid = "power_cli",
+    .ep_api_version = 1,
+    .entry_point = &power_cli,
+};
 
-    furi_record_close(RECORD_CLI);
-#else
-    UNUSED(power_cli);
-#endif
+const FlipperAppPluginDescriptor* power_cli_plugin_ep() {
+    return &plugin_descriptor;
 }

applications/services/power/power_start.c

@@ -0,0 +1,11 @@
+#include <cli/cli_i.h>
+
+static void power_cli_wrapper(Cli* cli, FuriString* args, void* context) {
+    cli_plugin_wrapper("power_cli", 1, cli, args, context);
+}
+
+void power_on_system_start() {
+    Cli* cli = furi_record_open(RECORD_CLI);
+    cli_add_command(cli, "power", CliCommandFlagParallelSafe, power_cli_wrapper, NULL);
+    furi_record_close(RECORD_CLI);
+}