feat(web): 立项新增 基调/结局/视角 三字段（书级常量入 stable_core 缓存前缀）

灵感计划 §3④ + §4 D 枚举决策：
- projects 表加 tone/ending_type/narrative_pov（Text nullable、无 CHECK，同 genre/structure；
  迁移 e5f6a7b8c9d0 nullable 免 backfill）。
- ProjectCreateRequest/ProjectResponse + domain ProjectCreate/ProjectView 全链路透传（snake_case）。
- 完整 stable_core 链路：ProjectSpecView + SqlProjectSpecRepo.spec + _build_spec_section 渲染进
  「作品蓝本」块——书级常量随书稳定，字节稳定守缓存前缀不变量 #9，绝不入 volatile。
- 前端 wizard.ts 三字段 + 预设数组 TONES/ENDING_TYPES/NARRATIVE_POVS + ProjectWizard 控件与确认页回显。
- 契约变更已 pnpm gen:api + memory/contracts.md 登记。

packages/core/tests/test_memory.py

@@ -418,6 +418,25 @@ async def test_no_genre_injects_no_fragment() -> None:
     assert "本作题材写法" not in ctx.stable_core
 
 
+# ---- 灵感④：立项基调/结局/视角是书级常量 → 进 stable_core（缓存前缀，不变量 #9） ----
+
+
+async def test_build_stable_includes_tone_ending_pov() -> None:
+    spec = ProjectSpecView(title="书", tone="热血", ending_type="HE", narrative_pov="第一人称")
+    ctx = await assemble(build_repos(spec=spec), PROJECT, 5)
+    assert "热血" in ctx.stable_core
+    assert "HE" in ctx.stable_core
+    assert "第一人称" in ctx.stable_core
+
+
+async def test_tone_ending_pov_never_enter_volatile() -> None:
+    # 书级常量随书稳定 → 只进缓存前缀，绝不进 volatile（章号易变区）。
+    spec = ProjectSpecView(title="书", tone="热血", ending_type="HE", narrative_pov="第一人称")
+    ctx = await assemble(build_repos(spec=spec), PROJECT, 5)
+    assert "热血" not in ctx.volatile
+    assert "第一人称" not in ctx.volatile
+
+
 # ---- 灵感①/F1：开篇黄金三章特判（volatile，仅前 3 章） ----
 
 

packages/core/tests/test_project_repo.py

@@ -1,6 +1,16 @@
 from datetime import UTC, datetime
 
-from ww_core.domain.project_repo import max_time
+from ww_core.domain.project_repo import _to_view, max_time
+from ww_db.models import Project
+
+
+def test_to_view_carries_tone_ending_pov() -> None:
+    # ④ 立项三字段（基调/结局/视角）经 ORM 行 → ProjectView 快照逐字段透传（snake_case）。
+    row = Project(title="书", tone="热血", ending_type="BE", narrative_pov="多视角")
+    view = _to_view(row)
+    assert view.tone == "热血"
+    assert view.ending_type == "BE"
+    assert view.narrative_pov == "多视角"
 
 
 def test_max_time_handles_missing_values() -> None:

packages/core/ww_core/domain/project_repo.py

@@ -29,6 +29,9 @@ class ProjectView:
     theme: str | None = None
     selling_points: list[Any] = field(default_factory=list)
     structure: str | None = None
+    tone: str | None = None
+    ending_type: str | None = None
+    narrative_pov: str | None = None
     updated_at: datetime | None = None
     pending_review_count: int = 0
 
@@ -44,6 +47,9 @@ class ProjectCreate:
     theme: str | None = None
     selling_points: list[Any] = field(default_factory=list)
     structure: str | None = None
+    tone: str | None = None
+    ending_type: str | None = None
+    narrative_pov: str | None = None
 
 
 class ProjectRepo(Protocol):
@@ -71,6 +77,9 @@ def _to_view(
         theme=row.theme,
         selling_points=list(row.selling_points or []),
         structure=row.structure,
+        tone=row.tone,
+        ending_type=row.ending_type,
+        narrative_pov=row.narrative_pov,
         updated_at=updated_at or row.updated_at,
         pending_review_count=pending_review_count,
     )
@@ -92,6 +101,9 @@ class SqlProjectRepo:
             theme=data.theme,
             selling_points=list(data.selling_points),
             structure=data.structure,
+            tone=data.tone,
+            ending_type=data.ending_type,
+            narrative_pov=data.narrative_pov,
         )
         self._s.add(row)
         await self._s.commit()

packages/core/ww_core/domain/repositories.py

@@ -101,6 +101,10 @@ class ProjectSpecView(BaseModel):
     theme: str | None = None
     # 题材（每书稳定项）——供 assemble 注入 genre-aware craft 片段（灵感 F1）。
     genre: str | None = None
+    # 立项书级常量（灵感④）：基调/结局取向/叙事视角——每书稳定 → 入 stable_core 缓存前缀。
+    tone: str | None = None
+    ending_type: str | None = None
+    narrative_pov: str | None = None
 
 
 # ---- Repository 协议（async；统一按 project_id 过滤）----

packages/core/ww_core/memory/assemble.py

@@ -69,6 +69,13 @@ def _build_spec_section(spec: ProjectSpecView | None) -> str | None:
         lines.append(f"【前提】{spec.premise}")
     if spec.theme:
         lines.append(f"【主题】{spec.theme}")
+    # 立项书级常量（灵感④）：每书稳定 → 随蓝本进缓存前缀，跨章字节不变（不变量 #9）。
+    if spec.tone:
+        lines.append(f"【基调】{spec.tone}")
+    if spec.narrative_pov:
+        lines.append(f"【叙事视角】{spec.narrative_pov}")
+    if spec.ending_type:
+        lines.append(f"【结局取向】{spec.ending_type}")
     return _section("作品蓝本", "\n".join(lines))
 
 

packages/core/ww_core/memory/sql_repositories.py

@@ -216,6 +216,9 @@ class SqlProjectSpecRepo:
             premise=row.premise,
             theme=row.theme,
             genre=row.genre,
+            tone=row.tone,
+            ending_type=row.ending_type,
+            narrative_pov=row.narrative_pov,
         )