refactor: use _get_db() pattern in get_research_brief, fix HTTPException style

- Replace lazy import + scripts.db.get_research with inline SQL via _get_db(),
  matching the pattern used by research_task_status and get_job_contacts
- Exclude raw_output from SELECT instead of post-fetch pop
- Change HTTPException in generate_research to positional-arg style
- Update test_get_research_found/not_found to patch dev_api._get_db

dev-api.py

@@ -316,12 +316,17 @@ def cover_letter_task(job_id: int):
 
 @app.get("/api/jobs/{job_id}/research")
 def get_research_brief(job_id: int):
-    from scripts.db import get_research as _get_research
+    db = _get_db()
-    row = _get_research(Path(DB_PATH), job_id=job_id)
+    row = db.execute(
+        "SELECT job_id, company_brief, ceo_brief, talking_points, tech_brief, "
+        "funding_brief, red_flags, accessibility_brief, generated_at "
+        "FROM company_research WHERE job_id = ? LIMIT 1",
+        (job_id,),
+    ).fetchone()
+    db.close()
     if not row:
-        raise HTTPException(status_code=404, detail="No research found for this job")
+        raise HTTPException(404, "No research found for this job")
-    row.pop("raw_output", None)
+    return dict(row)
-    return row
 
 
 @app.post("/api/jobs/{job_id}/research/generate")
@@ -331,7 +336,7 @@ def generate_research(job_id: int):
         task_id, is_new = submit_task(db_path=Path(DB_PATH), task_type="company_research", job_id=job_id)
         return {"task_id": task_id, "is_new": is_new}
     except Exception as e:
-        raise HTTPException(status_code=500, detail=str(e))
+        raise HTTPException(500, str(e))
 
 
 @app.get("/api/jobs/{job_id}/research/task")

tests/test_dev_api_prep.py

@@ -17,7 +17,8 @@ def client():
 
 def test_get_research_found(client):
     """Returns research row (minus raw_output) when present."""
-    row = {
+    import sqlite3
+    mock_row = {
         "job_id": 1,
         "company_brief": "Acme Corp makes anvils.",
         "ceo_brief": "Wile E Coyote",
@@ -27,9 +28,10 @@ def test_get_research_found(client):
         "red_flags": None,
         "accessibility_brief": None,
         "generated_at": "2026-03-20T12:00:00",
-        "raw_output": "should be stripped",
     }
-    with patch("scripts.db.get_research", return_value=row):
+    mock_db = MagicMock()
+    mock_db.execute.return_value.fetchone.return_value = mock_row
+    with patch("dev_api._get_db", return_value=mock_db):
         resp = client.get("/api/jobs/1/research")
     assert resp.status_code == 200
     data = resp.json()
@@ -39,7 +41,9 @@ def test_get_research_found(client):
 
 def test_get_research_not_found(client):
     """Returns 404 when no research row exists for job."""
-    with patch("scripts.db.get_research", return_value=None):
+    mock_db = MagicMock()
+    mock_db.execute.return_value.fetchone.return_value = None
+    with patch("dev_api._get_db", return_value=mock_db):
         resp = client.get("/api/jobs/99/research")
     assert resp.status_code == 404