feat: workspace backend foundation (PR-1)

- Add workspaces table migration (2026_06_01_add_workspaces) - Create Workspace model with repo_id, user_id, branch, path, status - Add workspace_id nullable FK to ToolInstance - Create GitService for clone/fetch/pull/branch_exists_remotely - Create WorkspaceManager for create/delete/sync lifecycle - Create workspace CRUD API with 409 handling for duplicates and instances - Wire workspace routes into FastAPI app - 17 tests passing (8 unit + 9 integration), 1 skipped Quality gates: ruff clean
2026-05-31 23:02:45 +02:00
parent d2b6bba15c
commit d567225bf7
14 changed files with 2354 additions and 0 deletions
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+"""add workspaces table
+
+Revision ID: 2026_06_01_add_workspaces
+Revises: 2026_05_29_fix_code_server_bind_addr_port
+Create Date: 2026-06-01 10:00:00.000000
+
+"""
+
+from collections.abc import Sequence
+
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision: str = "2026_06_01_add_workspaces"
+down_revision: str | None = "2026_05_29_fix_code_server_bind_addr_port"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    # Create workspaces table
+    op.create_table(
+        "workspaces",
+        sa.Column("id", sa.Uuid(as_uuid=True), primary_key=True),
+        sa.Column("name", sa.String(255), nullable=False),
+        sa.Column(
+            "repo_id",
+            sa.Uuid(as_uuid=True),
+            sa.ForeignKey("git_repositories.id", ondelete="CASCADE"),
+            nullable=False,
+        ),
+        sa.Column(
+            "user_id",
+            sa.Uuid(as_uuid=True),
+            sa.ForeignKey("users.id", ondelete="CASCADE"),
+            nullable=False,
+        ),
+        sa.Column("branch", sa.String(255), nullable=False, server_default="main"),
+        sa.Column("path", sa.String(2048), nullable=False),
+        sa.Column("status", sa.String(16), nullable=False, server_default="ready"),
+        sa.Column("last_sync_at", sa.DateTime(timezone=True), 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.UniqueConstraint("repo_id", "name", name="uq_workspace_repo_name"),
+        if_not_exists=True,
+    )
+
+    op.create_index("idx_workspaces_repo_id", "workspaces", ["repo_id"])
+    op.create_index("idx_workspaces_user_id", "workspaces", ["user_id"])
+    op.create_index("idx_workspaces_status", "workspaces", ["status"])
+
+    # Add workspace_id to tool_instances
+    op.add_column(
+        "tool_instances",
+        sa.Column(
+            "workspace_id",
+            sa.Uuid(as_uuid=True),
+            sa.ForeignKey("workspaces.id", ondelete="SET NULL"),
+            nullable=True,
+        ),
+    )
+    op.create_index(
+        "idx_tool_instances_workspace_id", "tool_instances", ["workspace_id"]
+    )
+
+
+def downgrade() -> None:
+    op.drop_index("idx_tool_instances_workspace_id", table_name="tool_instances")
+    op.drop_column("tool_instances", "workspace_id")
+    op.drop_table("workspaces")