refactor(agent/review): simplify curator, background_review, verify, insights, title and learning modules (-22% LOC)
Cluster: agent/{curator,curator_backup,background_review,review_engine,
review_idle_queue,insights,learning_graph,learning_graph_render,
learning_mutations,learn_prompt,verification_evidence,verification_stop,
verify_hooks,side_question,title_generator,turn_summary,
manual_compression_feedback,trajectory,moa_trace,trace_upload,verify/*}.
13662 -> 10693 LOC (-2969, -21.7%), behavior-neutral.
- Dead code: 27 private helpers with zero references removed
(_auto_title_session, _resolve_review_model, _parse_make_targets,
_filter_verifiable_paths, _find_subsequence, _is_under_root/_temp_dir,
_merge_runs, learning_graph_render bucket/period/node helpers,
_memories_dir/_memory_local_index/_node_detail, _cron_jobs_file,
_retention_cutoff, _scope_for_args, _clean_token, _count_diff_lines,
_ordered_verbs, _hermes_meta, _iter_skill_files).
- Unified helpers: _read_config_section (curator + curator_backup),
_write_file/_write_json (4 curator report writers), _msg_text
(background_review <- side_question), _report_failure/_notify_title
(title_generator instant/auto paths), _is_under (verification_evidence),
_scoped SQL pair builder + _query (insights), _optional_lock
(background_review), verify.recipes table-driven detection.
- if/elif routing -> dict dispatch: side_question role labels,
curator_backup summary bits, learning_graph_render buckets, insights
section rendering, verify recipe pickers.
- Redundant defensive layers, single-use wrappers and verbose narrative
comments collapsed; every non-obvious WHY/invariant kept in compact form.
Verification: parity.py (all REMOVED symbols zero-ref), import smoke for
every module + cli/run_agent/gateway.run/hermes_cli.main/
agent.conversation_loop/tui_gateway.server, old-vs-new fuzz parity on all
shared pure functions, SQL trace parity for insights and
verification_evidence, cluster tests 1354 passed / 0 failed (46 files).