refactor(agent/conversation_compression): compact docstrings — summary line hugs its prose body (text unchanged)

agent/compression_facade.py

@@ -18,7 +18,6 @@ logger = logging.getLogger("run_agent")
 
 def _timeout_fallback_prompt(agent, system_message: str) -> str:
     """Cached prompt, else a fresh build, else the raw ``system_message`` (never raises).
-
     Resolved lazily by the timeout wrapper: an eager rebuild would raise before compress_context runs when
     ``_cached_system_prompt`` is unset and the builder fails."""
     if cached := getattr(agent, "_cached_system_prompt", None):
@@ -93,7 +92,6 @@ def _warn_commit_overrun(agent, waited: float, ceiling: float) -> None:
 
 def _sync_persisted_markers(target_messages, source_messages) -> None:
     """Mirror ``_DB_PERSISTED_MARKER`` stamps from the worker's snapshot onto a live list.
-
     Matched by scoped identity; timestamp-less repeated content is ambiguous, so every scoped match is
     stamped. Imported UNCONDITIONALLY: a silent fallback literal would split the stamping key from the flush's
     and resurrect the duplicate-row bug."""
@@ -110,7 +108,6 @@ def _run_under_progress_timeout(
     agent, run, messages, system_message, *, active_fence, fence_registration_lock, idle_timeout, total_ceiling
 ):
     """Run ``run(fence, target_messages=snapshot)`` on the pool under the progress-aware timeout.
-
     The pooled worker must NEVER share the caller's live transcript — a late engine after a host timeout could
     rewrite it. It deep-snapshots on the worker and publishes only via an ADMITTED commit; a no-op/abort
     returns the snapshot unchanged, so the ORIGINAL list is handed back to keep identity semantics."""
@@ -165,7 +162,6 @@ def _mirror_result_onto_live_lists(agent, result, messages, *, direct_path: bool
 
 def _rebind_caller_session_context(agent) -> None:
     """Propagate a rotated session id to the CALLER's thread/ContextVar (idempotent otherwise).
-
     The worker thread rotated hermes_logging's thread-local id; post-compression tools must resolve
     HERMES_SESSION_ID to the child id."""
     with contextlib.suppress(Exception):