feature：新增角色/组织状态追踪系统，章节分析自动更新角色存活状态、心理状态及组织成员变动

backend/alembic/sqlite/versions/20260212_0922_642c76fc69d4_添加角色心理状态追踪字段.py

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+"""添加角色心理状态追踪字段
+
+Revision ID: 642c76fc69d4
+Revises: 927bcb55b756
+Create Date: 2026-02-12 09:22:09.946923
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '642c76fc69d4'
+down_revision: Union[str, None] = '927bcb55b756'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('characters', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('current_state', sa.Text(), nullable=True, comment='角色当前心理状态（由分析自动更新）'))
+        batch_op.add_column(sa.Column('state_updated_chapter', sa.Integer(), nullable=True, comment='心理状态最后更新的章节号'))
+
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('characters', schema=None) as batch_op:
+        batch_op.drop_column('state_updated_chapter')
+        batch_op.drop_column('current_state')
+
+    # ### end Alembic commands ###

backend/alembic/sqlite/versions/20260212_1007_d887fd1a30a6_新增角色状态字段.py

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+"""新增角色状态字段
+
+Revision ID: d887fd1a30a6
+Revises: 642c76fc69d4
+Create Date: 2026-02-12 10:07:13.617928
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'd887fd1a30a6'
+down_revision: Union[str, None] = '642c76fc69d4'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('characters', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('status', sa.String(length=20), nullable=True, comment='状态：active/deceased/missing/retired/destroyed'))
+        batch_op.add_column(sa.Column('status_changed_chapter', sa.Integer(), nullable=True, comment='状态变更的章节号'))
+
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('characters', schema=None) as batch_op:
+        batch_op.drop_column('status_changed_chapter')
+        batch_op.drop_column('status')
+
+    # ### end Alembic commands ###