Fix short-intent discovery and publish verified browser provider guidance

Assistant: codex
Assistant-Model: gpt-6-astra
Assistant-Session: 01a13690-1c84-77a2-aeee-7f517ec60f5d

tests/test_plan_check.py

@@ -80,6 +80,63 @@ def test_match_query_no_capabilities():
     assert match_query(query, []) == []
 
 
+def test_short_browser_intent_outranks_mature_headless_services(monkeypatch):
+    browser = {
+        "id": "capability.infotech.headless-browser",
+        "name": "Headless Browser Automation",
+        "summary": "Playwright Chromium screenshots keyboard " + " ".join(
+            f"detail{i}" for i in range(100)
+        ),
+        "vector": "D3 / A2 / C2 / R2",
+        "tags": ["headless", "browser"],
+    }
+    other = {
+        "id": "capability.communication.context-engine",
+        "name": "Context Engine",
+        "summary": "Headless knowledge operations",
+        "vector": "D7 / A7 / C6 / R6",
+    }
+    monkeypatch.setattr(
+        "reuse_surface.plan_check.load_federated_capabilities",
+        lambda: ([other, browser], _recent_date()),
+    )
+    result = run_plan_check(load_query_from_intent("headless browser"), use_llm=False)
+    assert result["verdict"] == "reuse"
+    assert result["matches"][0]["id"] == browser["id"]
+    assert result["matches"][0]["score"] > result["matches"][1]["score"]
+    assert maybe_file_capability_request(
+        result, requesting_domain="infotech", requesting_agent="test"
+    ) is None
+
+    # Extra operational documentation must not turn a direct name match into NEW.
+    original_score = result["top_score"]
+    browser["summary"] += " " + " ".join(f"command{i}" for i in range(100))
+    repeated = run_plan_check(load_query_from_intent("headless browser"), use_llm=False)
+    assert repeated["top_score"] == original_score
+
+
+def test_summary_only_matching_survives_name_scoring():
+    query = load_query_from_intent("responsive screenshots keyboard assertions")
+    matches = match_query(query, [{
+        "id": "capability.infotech.headless-browser",
+        "name": "Browser Automation",
+        "summary": "Responsive screenshots keyboard assertions",
+    }])
+    assert verdict_for_score(matches[0].score) == "reuse"
+
+
+def test_maturity_still_breaks_equally_relevant_name_ties():
+    candidates = [
+        {"id": "capability.example.early", "name": "Browser Automation",
+         "summary": "Early implementation", "vector": "D2 / A2 / C1 / R1"},
+        {"id": "capability.example.mature", "name": "Browser Automation",
+         "summary": "Documented implementation", "vector": "D4 / A5 / C3 / R3"},
+    ]
+    matches = match_query(load_query_from_intent("browser automation"), candidates)
+    assert matches[0].id == "capability.example.mature"
+    assert matches[0].score == matches[1].score
+
+
 def test_load_query_from_workplan(tmp_path):
     workplan = tmp_path / "TEST-WP-0001-thing.md"
     workplan.write_text(