Pablan, as it stands

Self-hosted knowledge management for SMEs: a split-screen Markdown editor whose sections an LLM refines while you write, and RAG question answering over the documents that result. FastAPI + Postgres/pgvector on the back, SvelteKit on the front, everything OpenAI-compatible and self-hostable. Squashed into a single commit; the development history stays local. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01CA43ZJda8Rbp2hKXNy8f6b
2026-09-04 09:21:37 +02:00
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+"""Review requests: an open question about a document, not a status
+
+Publishing becomes the author's own action, so `pending_approval` disappears
+and the delegated-approver column with it. What replaces both is a request
+that can sit on a draft OR on a published document: "please check this", with
+the question attached.
+
+Revision ID: b8e14d7c05a3
+Revises: f3c8d5a92b47
+"""
+
+from collections.abc import Sequence
+from typing import Union
+
+import sqlalchemy as sa
+
+from alembic import op
+
+revision: str = "b8e14d7c05a3"
+down_revision: Union[str, Sequence[str], None] = "f3c8d5a92b47"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "review_requests",
+        sa.Column("id", sa.Uuid(), nullable=False),
+        sa.Column("document_id", sa.Uuid(), nullable=False),
+        sa.Column("requester_id", sa.Uuid(), nullable=True),
+        sa.Column("reviewer_id", sa.Uuid(), nullable=True),
+        sa.Column("question", sa.Text(), nullable=True),
+        sa.Column("resolved_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("resolved_by_id", sa.Uuid(), nullable=True),
+        sa.Column(
+            "created_at",
+            sa.DateTime(timezone=True),
+            server_default=sa.text("now()"),
+            nullable=False,
+        ),
+        sa.Column(
+            "updated_at",
+            sa.DateTime(timezone=True),
+            server_default=sa.text("now()"),
+            nullable=False,
+        ),
+        sa.ForeignKeyConstraint(["document_id"], ["documents.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["requester_id"], ["users.id"], ondelete="SET NULL"),
+        sa.ForeignKeyConstraint(["reviewer_id"], ["users.id"], ondelete="SET NULL"),
+        sa.ForeignKeyConstraint(["resolved_by_id"], ["users.id"], ondelete="SET NULL"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_index(
+        "ix_review_requests_document_id", "review_requests", ["document_id"]
+    )
+    op.create_index(
+        "ix_review_requests_reviewer_id", "review_requests", ["reviewer_id"]
+    )
+
+    # A document waiting for approval is simply an unpublished draft now; the
+    # ask that used to be implied by the status is an explicit request.
+    op.execute(
+        "UPDATE documents SET status = 'draft' WHERE status = 'pending_approval'"
+    )
+    op.drop_column("documents", "reviewer_id")
+
+    # The audit trail keeps its shape: approving WAS publishing, and
+    # submitting has no counterpart in a world where the author publishes.
+    op.execute(
+        "UPDATE document_events SET action = 'published' WHERE action = 'approved'"
+    )
+    op.execute("DELETE FROM document_events WHERE action = 'submitted'")
+
+
+def downgrade() -> None:
+    op.add_column("documents", sa.Column("reviewer_id", sa.Uuid(), nullable=True))
+    op.create_foreign_key(
+        "documents_reviewer_id_fkey",
+        "documents",
+        "users",
+        ["reviewer_id"],
+        ["id"],
+        ondelete="SET NULL",
+    )
+    op.drop_index("ix_review_requests_reviewer_id", table_name="review_requests")
+    op.drop_index("ix_review_requests_document_id", table_name="review_requests")
+    op.drop_table("review_requests")