Add FreeTRX version and show it in Firmware Info (v0.1.0)

- New freetrxVersion.h with semver (MAJOR/MINOR/PATCH + string), currently 0.1.0.
- Firmware Info top line now shows "FreeTRX v0.1.0"; the git commit ID line is
  unchanged. The version is also announced via voice prompt.
- CHANGELOG: promote the accumulated changes to a 0.1.0 section.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

CHANGELOG.md

@@ -7,6 +7,12 @@ single running list until the first versioned release.
 
 ## Unreleased
 
+_Nothing yet._
+
+## 0.1.0
+
+First versioned release of FreeTRX (fork of OpenGD77 R20260131).
+
 ### Features
 
 - **Screen dimming** — optional idle dimming of the backlight to a fraction of

MDUV380_firmware/application/include/freetrxVersion.h

@@ -0,0 +1,13 @@
+/*
+ * FreeTRX firmware version (semantic versioning: MAJOR.MINOR.PATCH).
+ */
+#ifndef _FREETRX_VERSION_H_
+#define _FREETRX_VERSION_H_
+
+#define FREETRX_VERSION_MAJOR   0
+#define FREETRX_VERSION_MINOR   1
+#define FREETRX_VERSION_PATCH   0
+
+#define FREETRX_VERSION         "0.1.0"
+
+#endif // _FREETRX_VERSION_H_

MDUV380_firmware/application/source/user_interface/menuFirmwareInfoScreen.c

@@ -29,6 +29,7 @@
 #include "user_interface/menuSystem.h"
 #include "user_interface/uiLocalisation.h"
 #include "user_interface/uiUtilities.h"
+#include "freetrxVersion.h"
 
 
 enum
@@ -164,8 +165,11 @@ static void displayBuildDetails(bool playVP)
 #if !defined(PLATFORM_GD77S)
 	char versionBuf[SCREEN_LINE_BUFFER_SIZE];
 	const char *radioModel = "FreeTRX"; // firmware name shown in Firmware Info
+	char modelBuf[SCREEN_LINE_BUFFER_SIZE];
 	char dateTimeBuf[SCREEN_LINE_BUFFER_SIZE];
 
+	snprintf(modelBuf, SCREEN_LINE_BUFFER_SIZE, "%s v%s", radioModel, FREETRX_VERSION); // e.g. "FreeTRX v0.1.0"
+
 	displayClearBuf();
 
 	sprintf(dateTimeBuf, "%d%02d%02d%02d%02d%02d", BUILD_YEAR, BUILD_MONTH, BUILD_DAY, BUILD_HOUR, BUILD_MIN, BUILD_SEC);
@@ -180,12 +184,12 @@ static void displayBuildDetails(bool playVP)
 
 
 #if defined(PLATFORM_RD5R)
-	displayPrintCentered(0, radioModel, FONT_SIZE_3);
+	displayPrintCentered(0, modelBuf, FONT_SIZE_3);
 	displayPrintCentered(10, currentLanguage->built, FONT_SIZE_2);
 	displayPrintCentered(20, dateTimeBuf , FONT_SIZE_2);
 	displayPrintCentered(30, versionBuf, FONT_SIZE_2);
 #else
-	displayPrintCentered(5, radioModel, FONT_SIZE_3);
+	displayPrintCentered(5, modelBuf, FONT_SIZE_3);
 	displayPrintCentered(20, currentLanguage->built, FONT_SIZE_2);
 	displayPrintCentered(30, dateTimeBuf , FONT_SIZE_2);
 	displayPrintCentered(40, versionBuf, FONT_SIZE_2);
@@ -219,7 +223,7 @@ static void displayBuildDetails(bool playVP)
 	{
 		voicePromptsInit();
 		voicePromptsAppendPrompt(PROMPT_SILENCE);
-		voicePromptsAppendString(radioModel); // "FreeTRX" is a literal, not a language string
+		voicePromptsAppendString(modelBuf); // "FreeTRX v0.1.0" (literal, not a language string)
 		voicePromptsAppendLanguageString(currentLanguage->built);
 		voicePromptsAppendString(dateTimeBuf);
 		voicePromptsAppendLanguageString(currentLanguage->gitCommit);