style: ruff format normalization to line-length=100

Committed code predated the line-length=100 ruff config; this brings the
five drifted files into compliance. No logic change.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

codex/synthesis.py

@@ -365,11 +365,7 @@ def find_connections(
                 continue
             seen_pairs.add(pair)  # type: ignore[arg-type]
 
-            pair_chunks = [
-                c
-                for c in chunks
-                if c.get("bibkey") in {bibkey, other}
-            ]
+            pair_chunks = [c for c in chunks if c.get("bibkey") in {bibkey, other}]
             prompt = _CONNECTION_PROMPT.format(chunks_block=_format_chunks(pair_chunks))
             raw = _safe_llm_generate(llm, prompt, settings.synthesis_llm_model)
             if not raw.strip():