Four changes on top of the proposal's initial sweeper draft, driven by
the CLAUDE.md design principles:
1. Drop the 500-char truncation on tool_use / tool_result content in
_flatten_content. The "verbatim always" principle forbids lossy
compression of user-adjacent data; a long code-edit diff handed to
the assistant must round-trip intact. Unknown block types now also
serialize their full payload instead of just a type marker. New test
test_parse_preserves_tool_blocks_verbatim covers a 5000-char input.
2. Use the full session_id in drawer IDs (not session_id[:12]). Rules
out cross-session collisions if a transcript source ever uses
non-UUID session identifiers or shared prefixes.
3. Replace silent `except Exception: return None` in get_palace_cursor
with a logger.warning — the exact anti-pattern this PR otherwise
criticizes in miner.py. The fallback behavior is still safe
(deterministic IDs make a missed cursor recover on the next run),
but the failure is now discoverable.
4. sweep_directory now collects per-file failures into the result dict
and the CLI exits non-zero when any file failed, so a partial-sweep
outcome is visible rather than swallowed.
Co-Authored-By: MSL <232237854+milla-jovovich@users.noreply.github.com>
Igor Lins e Silva
29ce7c7135