fix(#170): migrate workflow fallback hints to @opengsd package (#204)

* fix(#170): update workflow fallback install hint package

* chore(#170): add changeset for workflow fallback hint migration

* fix(#170): mark workflow-hint test as structural text contract

tests/bug-170-workflow-fallback-install-hint.test.cjs

@@ -0,0 +1,43 @@
+'use strict';
+// allow-test-rule: workflow markdown is shipped product text; this test validates fallback hint literals across all workflow files
+
+const { test } = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const path = require('node:path');
+
+const WORKFLOWS_DIR = path.join(__dirname, '..', 'get-shit-done', 'workflows');
+const LEGACY_HINT = 'npx get-shit-done-cc@latest --claude --local';
+const CURRENT_HINT = 'npx -y @opengsd/get-shit-done-redux@latest --claude --local';
+
+function findMarkdownFiles(dir) {
+  const out = [];
+  for (const entry of fs.readdirSync(dir, { withFileTypes: true })) {
+    const full = path.join(dir, entry.name);
+    if (entry.isDirectory()) out.push(...findMarkdownFiles(full));
+    else if (entry.isFile() && full.endsWith('.md')) out.push(full);
+  }
+  return out;
+}
+
+test('bug #170: workflow fallback hints do not reference get-shit-done-cc', () => {
+  const files = findMarkdownFiles(WORKFLOWS_DIR);
+  let legacyCount = 0;
+  let currentCount = 0;
+
+  for (const file of files) {
+    const src = fs.readFileSync(file, 'utf8');
+    if (src.includes(LEGACY_HINT)) legacyCount += 1;
+    if (src.includes(CURRENT_HINT)) currentCount += 1;
+  }
+
+  assert.equal(
+    legacyCount,
+    0,
+    `workflow fallback hints must not reference legacy package (${LEGACY_HINT})`
+  );
+  assert.ok(
+    currentCount > 0,
+    `expected at least one workflow fallback hint to use current package (${CURRENT_HINT})`
+  );
+});