chore: snapshot in-progress question-gen work before preflight fixes

config/question_gen_180_补.yaml

@@ -0,0 +1,81 @@
+# 补生 Video-MME 6 类缺失题型（180 题）
+# 原 360 题中有 6 类错误类型已归档，此配置只生成缺失的 6 类。
+
+# ── 建树模块 ──（与 question_gen_360.yaml 一致）
+tree:
+  max_paragraphs_per_l2: 5
+  l1_segment_duration: 600.0
+  l2_clip_duration: 60.0
+  l3_fps: 0.5
+  l2_representative_frames: 6
+  cache_dir: "cache/trees"
+  concurrency: 16
+  subtitle_inject: true
+  srt_window_sec: 5.0
+
+# ── Embedding ──
+embed:
+  backend: "local"
+  model_name: "BAAI/bge-base-zh-v1.5"
+  embed_dim: 768
+  device: "cuda"
+
+# ── Harness ──（占位，出题不使用）
+harness:
+  workspace_dir: "workspaces/default"
+  store_dir: store
+  mode: infer
+  concurrency: 24
+  max_steps: 40
+  skill_mode: auto
+  n_samples: 0
+  questions: "benchmarks/Video-MME"
+  skills_version: v1
+  prompts_version: v1
+  epochs: 1
+  gate_e_confirm: 20.0
+  gate_e_provisional: 3.0
+  gate_w_net_min: 2
+  gate_delta_min: 0.02
+  gate_lambda_dir: -0.642
+  gate_e_rollback: 10.0
+  gate_block: 8
+  gate_n_max: 40
+  gate_p_low: 0.05
+  gate_p_high: 0.95
+  gate_probe_quota: 0.2
+  gate_gamma_decay: 0.9
+  gate_cooldown_steps: 2
+  gate_guard_err: 0.10
+  edit_budget_start: 5
+  edit_budget_end: 2
+  skill_update_mode: patch
+  appendix_consolidate_threshold: 6
+  diag_size: 200
+  diag_correct_ratio: 0.5
+  val_size: 30
+  val_correct_ratio: 0.5
+  test_size: 60
+  batch_size: 15
+  min_class_per_batch: 2
+  batch_correct_ratio: 0.5
+  momentum_samples: 20
+  eval_min_per_class: 2
+  early_stop_patience: 8
+  use_slow_momentum: true
+
+# ── 出题管线 v2 ──
+question_gen_v2:
+  family_ratios:
+    retrieval: 0.30
+    reasoning: 0.25
+    enumeration: 0.20
+    visual: 0.15
+    spatial: 0.10
+  dedup_threshold: 0.85
+  retry_limit: 10
+  heavy_sample_rate: 0.15
+  output_dir: "store/questions/generated-v2-180补"
+  per_type: 30            # 6 类 x 30 = 180 题
+  concurrency: 24
+  seed: 43                # 不同于原始 seed=42，避免生成相同题目