feat: 首推与昨日冲突时改推并保证一月不重复

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_featured_resolve.py

@@ -0,0 +1,83 @@
+# tests/test_featured_resolve.py
+from __future__ import annotations
+
+import random
+import unittest
+
+from daily.featured_pick import featured_identity_key, featured_resolve
+
+
+class FeaturedResolveTests(unittest.TestCase):
+    def test_same_as_yesterday_picks_from_pool_a(self):
+        yesterday_key = "headroomlabs-ai/headroom"
+        pool_a = [
+            {"repo": "headroomlabs-ai/headroom", "board": "github_topic"},
+            {"repo": "ollama/ollama", "board": "github_trending"},
+        ]
+        rng = random.Random(0)
+        resolved, key = featured_resolve(
+            date_str="2026-07-14",
+            candidate={
+                "type": "github",
+                "url": "https://github.com/headroomlabs-ai/headroom",
+                "title": "headroom",
+            },
+            pool_a=pool_a,
+            pool_b=[],
+            recent_featured={yesterday_key},
+            yesterday_key=yesterday_key,
+            rng=rng,
+        )
+        self.assertNotEqual(key, yesterday_key)
+        self.assertEqual(key, "ollama/ollama")
+        self.assertIsNotNone(resolved)
+        assert resolved is not None
+        self.assertEqual(resolved.get("repo"), "ollama/ollama")
+
+    def test_pool_a_before_pool_b(self):
+        yesterday_key = "blocked/one"
+        pool_a = [{"repo": "pool-a/repo", "board": "github_trending"}]
+        pool_b = [{"repo": "pool-b/repo", "board": "github_emerging"}]
+        resolved, key = featured_resolve(
+            date_str="2026-07-14",
+            candidate={"type": "github", "repo": "blocked/one", "title": "one"},
+            pool_a=pool_a,
+            pool_b=pool_b,
+            recent_featured={yesterday_key},
+            yesterday_key=yesterday_key,
+            rng=random.Random(1),
+        )
+        self.assertEqual(key, "pool-a/repo")
+        assert resolved is not None
+        self.assertEqual(resolved.get("repo"), "pool-a/repo")
+
+    def test_exhausted_keeps_original(self):
+        yesterday_key = "only/one"
+        candidate = {"type": "github", "repo": "only/one", "title": "one"}
+        resolved, key = featured_resolve(
+            date_str="2026-07-14",
+            candidate=candidate,
+            pool_a=[{"repo": "only/one", "board": "github_trending"}],
+            pool_b=[],
+            recent_featured={yesterday_key},
+            yesterday_key=yesterday_key,
+            rng=random.Random(2),
+        )
+        self.assertEqual(key, yesterday_key)
+        self.assertEqual(resolved, candidate)
+
+    def test_identity_key_skill_and_github(self):
+        self.assertEqual(
+            featured_identity_key({"type": "skill", "id": "a/b/c"}),
+            "a/b/c",
+        )
+        self.assertEqual(
+            featured_identity_key(
+                {"type": "github", "url": "https://github.com/foo/bar"}
+            ),
+            "foo/bar",
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()