Capitalize roles with colors, add log rotation

- Role names now uppercase (CLIENT, ROUTER, TRACKER, etc.)
- Roles colored by type: Client=green, Router/Repeater=purple, Tracker=cyan, Sensor/TAK=orange, Mute/Hidden=gray
- Error log auto-truncates to last 1MB at startup

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: statico

src/index.ts

@@ -1,6 +1,6 @@
 import React from "react";
 import { render } from "ink";
-import { appendFileSync, mkdirSync, existsSync } from "fs";
+import { appendFileSync, mkdirSync, existsSync, statSync, readFileSync, writeFileSync } from "fs";
 import { join } from "path";
 import { homedir } from "os";
 import { PacketStore, NodeStore } from "./protocol";
@@ -11,6 +11,24 @@ import { getSetting, DEFAULT_MESHVIEW_URL } from "./settings";
 // Global error handler - append errors to log file
 const ERROR_LOG_DIR = join(homedir(), ".config", "meshtastic-cli");
 const ERROR_LOG_PATH = join(ERROR_LOG_DIR, "error.log");
+const MAX_LOG_SIZE = 1024 * 1024; // 1 MB
+
+// Truncate log file if it exceeds max size
+function truncateLogIfNeeded() {
+  try {
+    if (!existsSync(ERROR_LOG_PATH)) return;
+    const stats = statSync(ERROR_LOG_PATH);
+    if (stats.size > MAX_LOG_SIZE) {
+      const content = readFileSync(ERROR_LOG_PATH, "utf-8");
+      const truncated = content.slice(-MAX_LOG_SIZE);
+      // Find first complete entry (starts with newline + timestamp)
+      const firstEntry = truncated.indexOf("\n[");
+      writeFileSync(ERROR_LOG_PATH, firstEntry > 0 ? truncated.slice(firstEntry) : truncated);
+    }
+  } catch {
+    // Ignore truncation errors
+  }
+}
 
 function logError(type: string, error: Error | unknown) {
   try {
@@ -28,6 +46,9 @@ function logError(type: string, error: Error | unknown) {
   }
 }
 
+// Check log size at startup
+truncateLogIfNeeded();
+
 process.on("uncaughtException", (error) => {
   logError("UNCAUGHT EXCEPTION", error);
   console.error("Fatal error:", error.message);

src/ui/components/DMPanel.tsx

@@ -281,15 +281,24 @@ function MessageRow({ message, nodeStore, isOwn, isSelected, textWidth }: Messag
 
 // Role name mappings
 const ROLE_NAMES: Record<number, string> = {
-  0: "Client", 1: "Mute", 2: "Router", 3: "RtrClnt", 4: "Repeater",
-  5: "Tracker", 6: "Sensor", 7: "TAK", 8: "Hidden", 9: "L&F", 10: "TAK+Trk",
+  0: "CLIENT", 1: "MUTE", 2: "ROUTER", 3: "RTR_CLI", 4: "REPEAT",
+  5: "TRACKER", 6: "SENSOR", 7: "TAK", 8: "HIDDEN", 9: "L&F", 10: "TAK_TRK",
 };
 
 function formatRole(role?: number | null): string {
   if (role == null) return "-";
   return ROLE_NAMES[role] || `R${role}`;
 }
 
+function getRoleColor(role?: number | null): string {
+  if (role == null) return theme.fg.muted;
+  if (role === 2 || role === 4) return theme.packet.nodeinfo; // Router/Repeater = purple
+  if (role === 5) return theme.packet.position; // Tracker = cyan
+  if (role === 6 || role === 7 || role === 10) return theme.packet.telemetry; // Sensor/TAK = orange
+  if (role === 1 || role === 8) return theme.packet.routing; // Mute/Hidden = gray
+  return theme.packet.message; // Client = green
+}
+
 function formatLastHeard(timestamp?: number): string {
   if (!timestamp) return "never";
   const now = Date.now() / 1000;
@@ -349,7 +358,7 @@ function NodeInfoHeader({ nodeNum, nodeStore, deleteConfirm }: NodeInfoHeaderPro
       <Box paddingX={1}>
         {/* Line 2: Role, last heard, hops, hardware */}
         <Text color={theme.fg.muted}>Role:</Text>
-        <Text color={theme.fg.secondary}>{role}</Text>
+        <Text color={getRoleColor(node?.role)}>{role}</Text>
         <Text color={theme.fg.muted}>  Heard:</Text>
         <Text color={theme.fg.secondary}>{lastHeard}</Text>
         <Text color={theme.fg.muted}>  Hops:</Text>

src/ui/components/NodesPanel.tsx

@@ -392,17 +392,17 @@ function getBatteryColor(level?: number, voltage?: number): string {
 }
 
 const ROLE_NAMES: Record<number, string> = {
-  0: "Client",
-  1: "Mute",
-  2: "Router",
-  3: "RtrClnt",
-  4: "Repeater",
-  5: "Tracker",
-  6: "Sensor",
+  0: "CLIENT",
+  1: "MUTE",
+  2: "ROUTER",
+  3: "RTR_CLI",
+  4: "REPEAT",
+  5: "TRACKER",
+  6: "SENSOR",
   7: "TAK",
-  8: "Hidden",
+  8: "HIDDEN",
   9: "L&F",
-  10: "TAK+Trk",
+  10: "TAK_TRK",
 };
 
 function formatRole(role?: number | null): string {
@@ -412,12 +412,16 @@ function formatRole(role?: number | null): string {
 
 function getRoleColor(role?: number | null): string {
   if (role == null) return theme.fg.muted;
-  // Router/Repeater = infrastructure = purple
+  // Router/Repeater = infrastructure = purple (like nodeinfo)
   if (role === 2 || role === 4) return theme.packet.nodeinfo;
-  // Tracker/Sensor = cyan
-  if (role === 5 || role === 6) return theme.packet.position;
-  // TAK = orange
+  // Tracker = cyan (like position)
+  if (role === 5) return theme.packet.position;
+  // Sensor = orange (like telemetry)
+  if (role === 6) return theme.packet.telemetry;
+  // TAK variants = orange
   if (role === 7 || role === 10) return theme.packet.telemetry;
-  // Client (default) = normal
-  return theme.fg.secondary;
+  // Mute/Hidden = gray (like routing)
+  if (role === 1 || role === 8) return theme.packet.routing;
+  // Client (default) = green (like message)
+  return theme.packet.message;
 }