fix(codex): qualify packaged git bash guidance

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

packages/omo-codex/scripts/install-local-git-bash-preflight.test.mjs

@@ -39,7 +39,7 @@ test("#given Windows without Git Bash and auto install skip env #when installing
 					"Git Bash is required.",
 					"winget install --id Git.Git -e --source winget",
 					"OMO_CODEX_GIT_BASH_PATH=C:\\path\\to\\bash.exe",
-					"rerun `bunx omo install --platform=codex`",
+					"rerun `bunx --package oh-my-openagent omo install --platform=codex`",
 				].join("\n"),
 			}),
 			runCommand: async (command, args, options) => {

packages/omo-codex/scripts/install/git-bash.mjs

@@ -70,7 +70,7 @@ function missingGitBash(checkedPaths) {
 			"Git Bash is required for native Windows Codex profile installs.",
 			"Install it with: winget install --id Git.Git -e --source winget",
 			`For a custom install, set ${GIT_BASH_ENV_KEY}=C:\\path\\to\\bash.exe`,
-			"Then rerun `bunx omo install --platform=codex`.",
+			"Then rerun `bunx --package oh-my-openagent omo install --platform=codex`.",
 		].join("\n"),
 	};
 }

packages/omo-codex/scripts/install/git-bash.test.mjs

@@ -66,7 +66,7 @@ test("#given Windows without Git Bash #when resolving #then returns install guid
 	assert.equal(result.found, false);
 	assert.deepEqual(result.checkedPaths, [programFilesGitBash, programFilesX86GitBash]);
 	assert.match(result.installHint, /winget install --id Git\.Git -e --source winget/);
-	assert.match(result.installHint, /rerun `bunx omo install --platform=codex`/);
+	assert.match(result.installHint, /rerun `bunx --package oh-my-openagent omo install --platform=codex`/);
 });
 
 test("#given Windows without Git Bash and winget is allowed #when preparing #then winget runs and resolver retries", async () => {