Sprint 1 : scaffolding complet de Glibredecision

Plateforme de decisions collectives pour Duniter/G1.
Backend FastAPI async + PostgreSQL (14 tables, 8 routers, 6 services,
moteur de vote avec formule d'inertie WoT/Smith/TechComm).
Frontend Nuxt 4 + Nuxt UI v3 + Pinia (9 pages, 5 stores).
Infrastructure Docker + Woodpecker CI + Traefik.
Documentation technique et utilisateur (15 fichiers).
Seed : Licence G1, Engagement Forgeron v2.0.0, 4 protocoles de vote.
30 tests unitaires (formules, mode params, vote nuance) -- tous verts.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/app/models/document.py

@@ -0,0 +1,60 @@
+import uuid
+from datetime import datetime
+
+from sqlalchemy import String, Integer, Text, DateTime, ForeignKey, func
+from sqlalchemy.dialects.postgresql import UUID
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.database import Base
+
+
+class Document(Base):
+    __tablename__ = "documents"
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    slug: Mapped[str] = mapped_column(String(128), unique=True, nullable=False, index=True)
+    title: Mapped[str] = mapped_column(String(256), nullable=False)
+    doc_type: Mapped[str] = mapped_column(String(64), nullable=False)  # licence, engagement, reglement, constitution
+    version: Mapped[str] = mapped_column(String(32), default="0.1.0")
+    status: Mapped[str] = mapped_column(String(32), default="draft")  # draft, active, archived
+    description: Mapped[str | None] = mapped_column(Text)
+    ipfs_cid: Mapped[str | None] = mapped_column(String(128))
+    chain_anchor: Mapped[str | None] = mapped_column(String(128))
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
+
+    items: Mapped[list["DocumentItem"]] = relationship(back_populates="document", cascade="all, delete-orphan", order_by="DocumentItem.position")
+
+
+class DocumentItem(Base):
+    __tablename__ = "document_items"
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    document_id: Mapped[uuid.UUID] = mapped_column(ForeignKey("documents.id"), nullable=False)
+    position: Mapped[str] = mapped_column(String(16), nullable=False)  # "1", "1.1", "3.2"
+    item_type: Mapped[str] = mapped_column(String(32), default="clause")  # clause, rule, verification, preamble, section
+    title: Mapped[str | None] = mapped_column(String(256))
+    current_text: Mapped[str] = mapped_column(Text, nullable=False)
+    voting_protocol_id: Mapped[uuid.UUID | None] = mapped_column(ForeignKey("voting_protocols.id"))
+    sort_order: Mapped[int] = mapped_column(Integer, default=0)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
+
+    document: Mapped["Document"] = relationship(back_populates="items")
+    versions: Mapped[list["ItemVersion"]] = relationship(back_populates="item", cascade="all, delete-orphan")
+
+
+class ItemVersion(Base):
+    __tablename__ = "item_versions"
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    item_id: Mapped[uuid.UUID] = mapped_column(ForeignKey("document_items.id"), nullable=False)
+    proposed_text: Mapped[str] = mapped_column(Text, nullable=False)
+    diff_text: Mapped[str | None] = mapped_column(Text)
+    rationale: Mapped[str | None] = mapped_column(Text)
+    status: Mapped[str] = mapped_column(String(32), default="proposed")  # proposed, voting, accepted, rejected
+    decision_id: Mapped[uuid.UUID | None] = mapped_column(ForeignKey("decisions.id"))
+    proposed_by_id: Mapped[uuid.UUID | None] = mapped_column(ForeignKey("duniter_identities.id"))
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+
+    item: Mapped["DocumentItem"] = relationship(back_populates="versions")