rename(547): the server is grimoire — package, image, DB defaults, backups

Step 2 of the Scribe -> Grimoire rename.

- src/scribe -> src/grimoire, and every import, patch target, module path,
  hypercorn entry point and `python -m grimoire.restore` with it; pyproject,
  uv.lock and the frontend package are named grimoire.
- Image git.fabledsword.com/bvandeusen/fabledgrimoire; CI's Postgres service
  runs as grimoire / grimoire_test.
- Compose files default the DB user, database and (prod) volume to grimoire,
  each overridable from .env, so an install created as Scribe keeps its data
  by setting POSTGRES_USER, POSTGRES_DB and PGDATA_VOLUME.
- Backups are written as grimoire-<ts>.tar with format grimoire-backup-tar.
  Archives named scribe-* with the scribe-backup-tar manifest still restore
  and are still counted at the destination (folder and S3), with tests.
- Exports, the MCP auth realm, the ASGI scope key and the persistent logger
  carry the new name.

Kept on purpose: the secret-sealing key label stays "scribe.secrets.v1",
because every stored secret was derived under it.

Plugin identity (plugin name, hooks, env vars, .scribe marker, skills) is
step 3.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tests/test_system_usage_readout.py

@@ -16,10 +16,10 @@ from unittest.mock import AsyncMock, patch
 import pytest
 import pytest_asyncio
 
-from scribe.models import async_session
-from scribe.services.system_usage import empty_system_usage
+from grimoire.models import async_session
+from grimoire.services.system_usage import empty_system_usage
 # Bound at import, before conftest's autouse stub replaces the module attribute.
-from scribe.services.system_usage import usage_for_systems as real_usage_for_systems
+from grimoire.services.system_usage import usage_for_systems as real_usage_for_systems
 from tests.helpers import ensure_user
 
 
@@ -31,13 +31,13 @@ async def test_get_system_carries_its_usage():
     from tests.helpers import fake_system
 
     shown = {**empty_system_usage(), "surfaced_count": 4, "pull_count": 1}
-    with patch("scribe.mcp.tools.systems.current_user_id", return_value=1), \
-         patch("scribe.mcp.tools.systems.systems_svc") as svc, \
-         patch("scribe.services.system_usage.usage_for_systems",
+    with patch("grimoire.mcp.tools.systems.current_user_id", return_value=1), \
+         patch("grimoire.mcp.tools.systems.systems_svc") as svc, \
+         patch("grimoire.services.system_usage.usage_for_systems",
                AsyncMock(return_value={3: shown})):
         svc.get_system = AsyncMock(return_value=fake_system(id=3))
         svc.list_records_for_system = AsyncMock(return_value=[])
-        from scribe.mcp.tools.systems import get_system
+        from grimoire.mcp.tools.systems import get_system
         result = await get_system(system_id=3)
     assert result["usage"] == shown
 
@@ -53,7 +53,7 @@ def test_the_zero_shape_matches_the_client_type():
 
 @pytest.mark.asyncio
 async def test_an_empty_id_list_reads_nothing():
-    with patch("scribe.services.system_usage.async_session") as session:
+    with patch("grimoire.services.system_usage.async_session") as session:
         assert await real_usage_for_systems([]) == {}
     session.assert_not_called()
 
@@ -64,9 +64,9 @@ async def test_an_empty_id_list_reads_nothing():
 @pytest_asyncio.fixture
 async def ruled_areas():
     """An owner, a project and two Systems, with usage rows on both."""
-    from scribe.models.project import Project
-    from scribe.models.system import System
-    from scribe.models.system_usage import SystemUsageEvent
+    from grimoire.models.project import Project
+    from grimoire.models.system import System
+    from grimoire.models.system_usage import SystemUsageEvent
 
     async with async_session() as s:
         owner = await ensure_user(s, "system_usage_owner")
@@ -129,7 +129,7 @@ async def test_usage_for_systems_counts_each_system(ruled_areas):
 @pytest.mark.asyncio
 @pytest.mark.usefixtures("_dispose_engine")
 async def test_the_telemetry_block_names_the_areas_and_offers_no_ratio(ruled_areas):
-    from scribe.services.retrieval_telemetry import retrieval_summary
+    from grimoire.services.retrieval_telemetry import retrieval_summary
 
     ids = ruled_areas
     block = (await retrieval_summary(ids["owner"], days=30))["system_usage"]
@@ -152,7 +152,7 @@ async def test_the_telemetry_block_names_the_areas_and_offers_no_ratio(ruled_are
 @pytest.mark.asyncio
 @pytest.mark.usefixtures("_dispose_engine")
 async def test_a_fresh_install_reads_zero_not_failed():
-    from scribe.services.retrieval_telemetry import retrieval_summary
+    from grimoire.services.retrieval_telemetry import retrieval_summary
 
     block = (await retrieval_summary(990031, days=30))["system_usage"]
     assert "system_usage_failed" not in block