[codex] Make Windows mpv shortcut self-contained (#40)

src/cli/help.test.ts

@@ -17,7 +17,7 @@ test('printHelp includes configured texthooker port', () => {
 
   assert.match(output, /--help\s+Show this help/);
   assert.match(output, /default: 7777/);
-  assert.match(output, /--launch-mpv/);
+  assert.match(output, /--launch-mpv.*Launch mpv with SubMiner defaults and exit/);
   assert.match(output, /--stats\s+Open the stats dashboard in your browser/);
   assert.doesNotMatch(output, /--refresh-known-words/);
   assert.match(output, /--setup\s+Open first-run setup window/);

src/cli/help.ts

@@ -12,7 +12,7 @@ ${B}Usage:${R} subminer ${D}[command] [options]${R}
 ${B}Session${R}
   --background                   Start in tray/background mode
   --start                        Connect to mpv and launch overlay
-  --launch-mpv ${D}[targets...]${R}       Launch mpv with the SubMiner mpv profile and exit
+  --launch-mpv ${D}[targets...]${R}       Launch mpv with SubMiner defaults and exit
   --stop                         Stop the running instance
   --stats                        Open the stats dashboard in your browser
   --texthooker                   Start texthooker server only ${D}(no overlay)${R}