fix: allow threads and pinterest search sources

skills/last30days/scripts/lib/pipeline.py

@@ -79,6 +79,8 @@ MOCK_AVAILABLE_SOURCES = [
     "xiaohongshu",
     "github",
     "perplexity",
+    "threads",
+    "pinterest",
     "xquik",
     "digg",
 ]

tests/test_cli_v3.py

@@ -71,6 +71,12 @@ class CliV3Tests(unittest.TestCase):
             cli.parse_search_flag("web, reddit, hn, web"),
         )
 
+    def test_parse_search_flag_accepts_optional_social_sources(self):
+        self.assertEqual(
+            ["threads", "pinterest"],
+            cli.parse_search_flag("threads, pinterest"),
+        )
+
     def test_parse_search_flag_rejects_invalid_or_empty_inputs(self):
         with self.assertRaises(SystemExit):
             cli.parse_search_flag("unknown")