feat: wire lens into research prompts (closes R38)

council/researcher.py

@@ -31,6 +31,7 @@
 from council.research import (extract_date_hint, fetch_extract, inject_recency, is_breaking,
                               is_time_sensitive, order_by_recency, route_engines,
                               search_structured)
+from council.worker import LENSES
 
 
 def _num_env(key: str, default, cast):
@@ -161,9 +162,11 @@ def _draft(self, brief: str, evidence: list[dict], local: list[dict] | None = No
         cite = " and ".join(p for p in (
             ("[S#] for web sources" if evidence else ""),
             ("[L#] for your documents" if local else "")) if p) or "[S#]"
+        lens_instruction = LENSES.get(self.lens, LENSES["neutral"])
         return self._generate(
             f"{role} Today is {self._today()}. Using ONLY the sources below, "
             "write your findings on the brief:\n"
+            f"  • {lens_instruction}\n"
             "  • Lead with the most decision-relevant findings; concrete numbers and dates.\n"
             "  • CURRENCY MATTERS: when sources span time or conflict, trust the MOST RECENT "
             "(sources are listed with their dates, freshest first), and STATE the date of any "

docs/GLOSSARY.md

@@ -49,7 +49,8 @@ uses the old names in its older entries.
   work over time while leaving ungated work open to newcomers.
 - **Lens** — an angle of attack given to an analyst/node via its prompt (e.g.
   `opportunity`, `skeptic`, `first_principles`, `practical`) to pull different ideas
-  from the same or different models.
+  from the same or different models (applies uniformly to both chat jobs, `pw ask`,
+  and research jobs, `pw research`/network research jobs — R38).
 - **Model-downgrade** — the real cheat under a non-cash credit: a node silently running
   a smaller or more-quantized model than it claims, to earn credit for less work.
 - **Cross-hardware verification** — confirming that honest answers from different

tests/test_researcher_lens.py

@@ -0,0 +1,46 @@
+"""R38 (lens-axis) — lens now drives the research-job prompt too, not just chat's
+council/worker.py::PerspectiveWorker.answer(). Mirrors that file's own
+LENSES.get(self.lens, LENSES["neutral"]) fallback pattern in
+ResearchWorker._draft(), and locks in backward compatibility for
+council/local.py, which hardcodes lens="independent analyst" for single-player
+`pw research` — that string is not a LENSES key, so it must safely fall
+through to the neutral instruction rather than raising."""
+import council.researcher as RW
+from council.worker import LENSES
+
+EVIDENCE = [{"title": "T", "url": "https://x.test/1", "host": "x.test",
+             "snippet": "s", "date_hint": ""}]
+
+
+def _captured_prompt(monkeypatch, lens):
+    captured = {}
+
+    def fake_generate(self, prompt, num_predict):
+        captured["prompt"] = prompt
+        return "draft [S1].", 5
+
+    monkeypatch.setattr(RW.ResearchWorker, "_generate", fake_generate)
+    w = RW.ResearchWorker(worker_id="m", model="m", lens=lens)
+    w._draft("a brief about basic chemistry facts", EVIDENCE)
+    return captured["prompt"]
+
+
+def test_draft_prompt_carries_skeptic_lens(monkeypatch):
+    prompt = _captured_prompt(monkeypatch, "skeptic")
+    assert LENSES["skeptic"] in prompt
+
+
+def test_draft_prompt_carries_neutral_lens_by_default(monkeypatch):
+    # default ResearchWorker.lens == "neutral" — same backward-compat text as worker.py
+    prompt = _captured_prompt(monkeypatch, "neutral")
+    assert LENSES["neutral"] in prompt
+
+
+def test_draft_prompt_falls_back_to_neutral_for_local_py_lens_string(monkeypatch):
+    # council/local.py hardcodes lens="independent analyst" for single-player `pw
+    # research` — not a LENSES key. Must not raise, and must fall through to the
+    # same neutral instruction LENSES.get(..., LENSES["neutral"]) uses everywhere
+    # else. This is the regression test guaranteeing local.py keeps working
+    # unmodified (council/local.py is intentionally untouched by R38).
+    prompt = _captured_prompt(monkeypatch, "independent analyst")
+    assert LENSES["neutral"] in prompt