fix(extensions): add Claude Superpowers marketplace

adapters/plugins.tsv

@@ -1,7 +1,7 @@
 name	claude_marketplace	claude_plugin	codex_marketplace	codex_plugin	codex_method	codex_source	codex_skill	mcporter_name	mcporter_url
 Ponytail	DietrichGebert/ponytail	ponytail@ponytail	DietrichGebert/ponytail	ponytail@ponytail	plugin	-	-
 i-have-adhd	ayghri/i-have-adhd	i-have-adhd@i-have-adhd	ayghri/i-have-adhd	i-have-adhd@i-have-adhd	plugin	-	-
-Superpowers	-	superpowers@claude-plugins-official	openai-curated-remote	superpowers@openai-curated-remote	plugin	-	-
+Superpowers	anthropics/claude-plugins-official	superpowers@claude-plugins-official	openai-curated-remote	superpowers@openai-curated-remote	plugin	-	-
 Context7	upstash/context7	context7@context7-marketplace	upstash/context7	context7@context7-marketplace	plugin	-	-	context7	https://mcp.context7.com/mcp
 Caveman	JuliusBrussee/caveman	caveman@caveman	thinkhome-org/caveman-codex	caveman@thinkhome-caveman	plugin	-	-
 QMD	tobi/qmd	qmd@qmd	-	-	qmd	@tobilu/qmd	qmd

scripts/tests/test-managed-extensions.py

@@ -1,4 +1,5 @@
 import contextlib
+import csv
 import importlib.util
 import io
 import json
@@ -11,7 +12,8 @@ import unittest
 from unittest.mock import patch
 
 
-spec = importlib.util.spec_from_file_location('extensions', Path(__file__).parents[2] / 'scripts/lib/managed-extensions.py')
+root = Path(__file__).parents[2]
+spec = importlib.util.spec_from_file_location('extensions', root / 'scripts/lib/managed-extensions.py')
 extensions = importlib.util.module_from_spec(spec)
 spec.loader.exec_module(extensions)
 
@@ -184,11 +186,12 @@ class ManagedExtensionTests(unittest.TestCase):
             ['claude', 'plugin', 'enable', 'example@test'],
         ], self.commands)
 
-    def test_claude_refreshes_marketplace_before_install(self):
+    def test_superpowers_adds_official_claude_marketplace_before_install(self):
-        entry = plugin('Superpowers')
+        with (root / 'adapters/plugins.tsv').open(encoding='utf-8-sig', newline='') as stream:
-        entry['claude_plugin'] = 'superpowers@claude-plugins-official'
+            entry = next(entry for entry in csv.DictReader(stream, delimiter='\t') if entry['name'] == 'Superpowers')
         self.manager().sync([entry], ['claude'], {'Superpowers'})
         self.assertEqual([
+            ['claude', 'plugin', 'marketplace', 'add', 'anthropics/claude-plugins-official'],
             ['claude', 'plugin', 'marketplace', 'update', 'claude-plugins-official'],
             ['claude', 'plugin', 'install', 'superpowers@claude-plugins-official', '--scope', 'user'],
         ], self.commands)