feat(prompts): enforce bullet-point output in generate template

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

backend/app/core/sqlite_db.py

@@ -35,10 +35,12 @@ _SEED_GENERATE = (
 _SEED_GENERATE_PER_SUBQ = (
     "Answer each sub-question using ONLY its document chunks.\n"
     "Format as markdown sections with ## Sub-question N: headers.\n"
+    "Under each ## heading, write your answer as bullet points "
+    "using - (one bullet point per finding or fact).\n"
     "Cite your sources inline using bracket labels, e.g. [filename, page N].\n"
     "Copy the exact bracket labels shown in the document chunks — "
     "do not modify filenames or add/remove extensions.\n"
-    "Place the citation at the end of each relevant bullet point.\n"
+    "Place the citation at the end of each bullet point.\n"
     "{context_sections}\n\n"
     "Answer:"
 )
@@ -205,5 +207,11 @@ def seed_default_profiles(conn: sqlite3.Connection) -> None:
                     (row["id"], step, _SEED_TEMPLATES[step]),
                 )
 
+    conn.execute(
+        "UPDATE system_prompts SET prompt_template = ? "
+        "WHERE step_name = 'generate_per_subq'",
+        (_SEED_GENERATE_PER_SUBQ,),
+    )
+
     conn.commit()
     logger.info("Default profiles (A/B/C) seeded.")