Add MCP server for interacting with meshtastic devices and testing framework / TUI (#10194)

* Start of MCP server and test suite

* Add MCP server for interacting with meshtastic devices and testing framework / TUI

* Update mcp-server/README.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* fix mcp-server review feedback from thread

Agent-Logs-Url: https://github.com/meshtastic/firmware/sessions/91dc128a-ed50-4d07-8bb2-3dc6623a05f7

Co-authored-by: thebentern <9000580+thebentern@users.noreply.github.com>

* Enhance StreamAPI and PhoneAPI for improved log record handling and concurrency control

* Semgrep fixes

* Trunk and semgrep fixes

* optimize pio streaming tee file writes

Agent-Logs-Url: https://github.com/meshtastic/firmware/sessions/04e26c6b-6a2b-45be-bbeb-79ae4d0be633

Co-authored-by: thebentern <9000580+thebentern@users.noreply.github.com>

* chore: remove redundant log handle assignment

Agent-Logs-Url: https://github.com/meshtastic/firmware/sessions/04e26c6b-6a2b-45be-bbeb-79ae4d0be633

Co-authored-by: thebentern <9000580+thebentern@users.noreply.github.com>

* Consolidate type imports and remove placeholder test files

* Add tests for config persistence and more exchange messages

* Refactor position test to validate on-demand request/reply behavior

* Remove  position request/reply test and update README for telemetry behavior

* Fix transmit history file to get removed on factory reset

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

src/mesh/NodeDB.cpp

@@ -17,6 +17,7 @@
 #include "Router.h"
 #include "SPILock.h"
 #include "SafeFile.h"
+#include "TransmitHistory.h"
 #include "TypeConversions.h"
 #include "error.h"
 #include "main.h"
@@ -509,6 +510,12 @@ bool NodeDB::factoryReset(bool eraseBleBonds)
     }
 #endif
     spiLock->unlock();
+
+    // rmDir above nuked the .dat file, but TransmitHistory's in-memory
+    // cache auto-flushes every 5 min and would resurrect it.
+    if (transmitHistory) {
+        transmitHistory->clear();
+    }
     // second, install default state (this will deal with the duplicate mac address issue)
     installDefaultNodeDatabase();
     installDefaultDeviceState();