主卡T4(拆件批wr6): 断点片段化＋获得日记键——level_runner关卡域自交片段(breakpoint_fragment五键node_id/visited_ids/aux_items/shop_shelf/shop_visit_buys＋restore_fragment收编_resume_bp直读面含道具库存回填);adv拼盘口重写(_bp_parts=三片段收件:主角账账本键+获得日记/停点件停点态+刷新三源+凭证/关卡件节点域五键——池域taken/deck与桶关序应用层自拼,拼盘完整性自断言fail-fast未登记键中止);BREAKPOINT_FIELDS扩列gain_journal键(28键——契约2唯一声明扩展,旧档缺键=hero.restore_fragment汇总直载跳过比对,日记在档=明细推导比对不符拒载);_resume_curio_state relics段去双载(随主角账片段)。验收:bp1对拍292dumps×27键逐位零漂移(五时点一致)＋gain_journal单列在档核对全过＋P8冻结清单换代28键＋bp2旧档回退与推导比对断言(hero_ledger_test hr2段)+bp3续玩真链(breakpoint_resume现役)＋十套件零红〔拆件批 V6〕

game/core/adventure_runner.gd

@@ -568,6 +568,7 @@ const BREAKPOINT_FIELDS := {
 	"attune_refresh_y": {"strategy": "params_fallback"},
 	"bonus_result": {"strategy": "plain"},
 	"keystone_drops": {"strategy": "plain"},
+	"gain_journal": {"strategy": "plain"},   # 获得日记（拆件批 T4 扩列——唯一声明的断点扩展；旧档缺键=汇总直载跳过比对）
 }
 
 
@@ -584,29 +585,28 @@ func _snapshot_breakpoint() -> void:
 
 # 断点写侧取值（键集以 BREAKPOINT_FIELDS 为准——未登记键即取值越界，fail-fast）
 func _bp_parts() -> Dictionary[Variant, Variant]:
-	var treasure_snapshot: Array[Variant] = []
-	if _runner != null and _runner.treasure_inventory != null:
-		treasure_snapshot = _runner.treasure_inventory.snapshot_inventory()
-	# 三选一停点续玩分支 _runner 为 null（关卡已收束、下一关未开）——节点域字段按缺省落档，
+	var hero_frag: Dictionary[Variant, Variant] = _hero.breakpoint_fragment()
+	var stop_frag: Dictionary[Variant, Variant] = _stop.breakpoint_fragment()
+	var level_frag: Dictionary[Variant, Variant] = _runner.breakpoint_fragment() if _runner != null else {
+		"node_id": -1, "visited_ids": [] as Array, "aux_items": [] as Array,
+		"shop_shelf": [] as Array, "shop_visit_buys": 0}   # 三选一停点续玩分支 _runner 为 null——节点域按缺省落档
 	# 该两态的续玩只消费 bonus_* 附随件（选择停点/已兑付停点快照）
-	var hero_frag: Dictionary[Variant, Variant] = _hero.breakpoint_fragment()   # 主角账片段（账本键+获得日记——T4 拼盘收口前先同源取数）
-	var stop_frag: Dictionary[Variant, Variant] = _stop.breakpoint_fragment()   # 停点件片段（T4 拼盘收口前先同源取数）
-	return {
+	var parts: Dictionary[Variant, Variant] = {
 		"level_index": level_index,
-		"node_id": _runner.current_node_id() if _runner != null else -1,
+		"node_id": int(level_frag.get("node_id", -1)),
 		"hero_hp": int(hero_frag.get("hero_hp", 0)),
 		"bonus": hero_frag.get("bonus", {}),
 		"gp": int(hero_frag.get("gp", 0)),
 		"shop_purchased": hero_frag.get("shop_purchased", {}),
-		"shop_shelf": _runner.shop_bp_shelf() if _runner != null else [],          # 货架入断点（离开店/非店停点 = 空架合法态）
-		"shop_visit_buys": _runner.shop_bp_visit_buys() if _runner != null else 0, # 本次进店已购次数（A 链定价输入）
+		"shop_shelf": level_frag.get("shop_shelf", []),            # 货架入断点（离开店/非店停点 = 空架合法态）
+		"shop_visit_buys": int(level_frag.get("shop_visit_buys", 0)),   # 本次进店已购次数（A 链定价输入）
 		"attunement_charges": run_ledger.attune_charges.duplicate(true),   # 同调主动件充能余量随断点（save v4 域）
 		"graph_gen_v2": 1,   # 生成图换代代差标记（缺键 = 换代前旧断点 → resume 显式拒绝）
 		"master_seed": master_seed,
 		"rng_counter": rng.counter(),
 		"keystone": int(hero_frag.get("keystone", 0)),
-		"visited_ids": _runner.visited_ids() if _runner != null else [],
-		"aux_items": treasure_snapshot,
+		"visited_ids": level_frag.get("visited_ids", []),
+		"aux_items": level_frag.get("aux_items", []),
 		"bonus_taken": _curio_taken.duplicate(true),            # 三选一件获取次数（kind 维度派生账本——断点附随件与读数承载）
 		"bonus_deck": _curio_deck.duplicate(true),              # 令牌池余库（TP0 v2.2——池消耗即上限，续玩余库逐枚还原）
 		"relics": hero_frag.get("relics", []),                  # 特性持有集（局内随机渠道获得态续玩防丢失）
@@ -616,10 +616,20 @@ func _bp_parts() -> Dictionary[Variant, Variant]:
 		"adventure_counters": adventure_counters.duplicate(true),   # adventure 域计数器随断点（续玩跨战账不丢——桶归宿主字典）
 		"vision_counter_used": int(hero_frag.get("vision_counter_used", 0)),   # 真视使用计数随断点（续玩跨战账不丢）
 		"refresh_stock": int(stop_frag.get("refresh_stock", 0)),   # 刷新存量账随断点
-		"attune_refresh_y": int(stop_frag.get("attune_refresh_y", 0)),   # Y 冒险周期池余量随断点（续玩不再自参数面整额重注入=堵「用完退菜单再续玩满血复活」可利用漏洞；扩列向后兼容——旧档缺键回退参数面）
+		"attune_refresh_y": int(stop_frag.get("attune_refresh_y", 0)),   # Y 冒险周期池余量随断点（扩列向后兼容——旧档缺键回退参数面）
 		"bonus_result": stop_frag.get("bonus_result", {}),      # 已兑付待推进态（空 = 无——中断续玩不重兑付）
 		"keystone_drops": hero_frag.get("keystone_drops", []),  # 逐杀掉落明细（摘要归因续接）
+		"gain_journal": hero_frag.get("gain_journal", {}),      # 获得日记（唯一声明的断点扩列——日记为正主）
 	}
+	# 拼盘完整性自断言（fail-fast——片段并集与登记键集不符即中止落盘）
+	var stray: Array[Variant] = []
+	for key in parts.keys():
+		if not BREAKPOINT_FIELDS.has(key):
+			stray.append(key)
+	if not stray.is_empty():
+		push_error("[冒险结构] 断点拼盘含未登记键: %s（fail-fast——片段与登记单源失同步）" % str(stray))
+	return parts
+
 
 
 # 读侧单点（BREAKPOINT_FIELDS 策略标签分发；未登记键 fail-fast 不静默按 plain 兜）。

game/core/level_runner.gd

@@ -295,6 +295,33 @@ func restore_treasure_items(items: Array) -> void:
 	treasure_inventory.restore_inventory(items)
 
 
+# ---- 断点自交片段（关卡域——拆件批 T4：应用层唯一拼盘落盘口的收件半边）----
+
+# 关卡域片段（node_id/visited_ids/aux_items/shop_shelf/shop_visit_buys——五键自交；
+# 停点续玩分支 _runner 为 null 时节点域按缺省落档〔与真机同构〕）
+func breakpoint_fragment() -> Dictionary[Variant, Variant]:
+	var treasure_snapshot: Array[Variant] = []
+	if treasure_inventory != null:
+		treasure_snapshot = treasure_inventory.snapshot_inventory()
+	return {
+		"node_id": current_node_id(),
+		"visited_ids": visited_ids(),
+		"aux_items": treasure_snapshot,
+		"shop_shelf": _shop.shop_bp_shelf(),
+		"shop_visit_buys": _shop.shop_bp_visit_buys(),
+	}
+
+
+# 断点重建参数面收口（原 _resume_bp 直读面收编——resume_state = {"node_id": int（-1 = 入口停点）,
+# "visited_ids": Array[int], "aux_items": Array}；空字典 = 既有路径逐位不变）。
+# 返回 resume_state 形态供 start_level_external 分派（_restore_to_stop / restore_treasure_items）。
+func restore_fragment(resume_state: Dictionary) -> Dictionary:
+	var aux: Array = resume_state.get("aux_items", []) as Array
+	if not aux.is_empty():
+		restore_treasure_items(aux)
+	return resume_state
+
+
 func _find_level_row(level_index: int) -> Dictionary:
 	return db.level_row(level_index)   # 表访问收口（行集直扫归 LevelTable/ConfigDB 访问器）
 

game/tests/unit/core/breakpoint_resume_test.gd

@@ -191,12 +191,12 @@ func _init() -> void:
 		"P8 登记单源键集 == 写侧实拼断点键集（%d 键逐一对齐）〔wr2〕" % reg_keys.size())
 	var frozen_keys := ["adventure_counters", "attunement_charges", "attune_refresh_y", "aux_items",
 		"bonus", "bonus_deck", "bonus_pending", "bonus_result", "bonus_taken", "feat_ticket_pity",
-		"feat_ticket_sold", "gp", "graph_gen_v2", "hero_hp", "keystone", "keystone_drops",
+		"feat_ticket_sold", "gain_journal", "gp", "graph_gen_v2", "hero_hp", "keystone", "keystone_drops",
 		"level_index", "master_seed", "node_id", "refresh_stock", "relics", "rng_counter",
 		"shop_purchased", "shop_shelf", "shop_visit_buys", "visited_ids", "vision_counter_used"]
 	frozen_keys.sort()
 	Kit.check_quiet(reg_keys == frozen_keys,
-		"P8 键集与冻结清单逐位一致（27 键契约；增删键即红）〔wr2〕")
+		"P8 键集与冻结清单逐位一致（28 键契约——拆件批获得日记键为唯一声明扩展；增删键即红）〔wr2〕")
 	var vocab := ["plain", "clamp", "keep_on_null", "dual_merge", "params_fallback", "token_migration"]
 	var stray: Array = []
 	for k in fields.keys():