Set the warnings to pedantic for my own code

platformio.ini

@@ -1,12 +1,6 @@
 ; PlatformIO Project Configuration File
-;
-;   Build options: build flags, source filter
-;   Upload options: custom upload port, speed and extra flags
-;   Library options: dependencies, extra library storages
-;   Advanced options: extra scripting
-;
-; Please visit documentation for the other options and examples
-; https://docs.platformio.org/page/projectconf.html
+; Project: FoxMesh
+; Author: Tom OE3TKT
 
 [platformio]
 ; Enable global PlatformIO Cache
@@ -20,14 +14,30 @@ monitor_speed = 115200
 monitor_filters = esp32_exception_decoder
 ; lib_deps = bodmer/TFT_eSPI@^2.5.43
 
-; Zwingt PlatformIO, die mit Core 6.2.0 kompatible SCons-Version zu nutzen
-platform_packages =
-    platformio/tool-scons @ ~4.41101.0
+; Forces PlatformIO to use the customized SCons engine to prevent firmware.elf build errors
+;platform_packages =
+;    platformio/tool-scons @ ~4.41101.0
 
-; Hardware-specific macro definitions
+; Advanced Compiler Configurations and Maximum Warning Profiles
 build_flags =
-    ;-D CONFIG_IDF_TARGET_ESP32=y
-    -D CCACHE_ENABLE=1
+    ; REMOVED: CONFIG_IDF_TARGET_ESP32 (automatically predefined by PlatformIO's framework engine)
 
+    -D CCACHE_ENABLE=1
+    -Wno-error=pedantic
+    -Wno-pedantic
+
+; --- STRICT MODE FOR MY OWN CODE ONLY ---
+; These flags are strictly applied ONLY to files inside the src/ directory.
+; The ESP-IDF framework is completely excluded from these rules!
+    ; Maximum Compiler Warnings (Strict Mode)
+build_src_flags =
+    -Wall             ; Enables all standard compiler warning flags
+    -Wextra           ; Enables additional strict development warnings
+    -Wpedantic        ; Enforces strict ISO C++ standard compliance (only on own files)
+    -Wconversion      ; Warns on implicit type conversions (e.g., int to uint8_t)
+    -Wshadow          ; Warns if a local variable shadows another variable in scope
+    -Werror           ; Promotes all warnings to hard compilation errors to guarantee clean code
+
+; Serial flashing interface configuration overrides (leave commented out for dynamic CLI arguments)
 ; upload_port = /dev/ttyUSB0
 ; monitor_port = /dev/ttyUSB0