lukasandClaude Opus 4.8
4e077f1a37
Backend foundation for the plugin platform (SPEC §11), Phases 1-3.
Phase 1 — SDK + loader:
- app/plugins/types.py: frozen Plugin/UiManifest/Slot/Page/JobSpec contract.
- app/plugins/sdk.py: sdk(name) facade — the only app.* import allowed for plugins
(scoped session, plugin.{name}.* publish, blob, outbox, settings, SSRF http_get, KV, enqueue).
- app/plugins/loader.py: entry-point discovery (webmail.plugins), hook forwarding
(API + worker), router mounting at /api/plugins/{name}, ui-manifest aggregation.
- plugin_kv core table (migration 0013) + GET /api/plugins/ui-manifest.
Phase 2 — non-removable core plugins + DB-enforced privacy:
- builtin flag (calendar/contacts will be builtin=True; uninstall refuses them).
- RLS per-user isolation on plg_* tables: least-privilege webmail_plugin role
(migration 0014), plugin_session(user_id) sets LOCAL ROLE + app.current_user_id,
rls.enable_rls() (ENABLE+FORCE RLS + USING/WITH CHECK policy). Mail untouched.
- Per-plugin Alembic runner (shared env, dedicated version table) + install/uninstall
--drop-data CLI; skeleton fixture proves install -> run -> uninstall --drop-data
leaves zero residue (§12 M3 acceptance).
Phase 3 — plugin jobs (§11.2):
- JobSpec registered as arq function plg.{plugin}.{func} + cron (5-field parser);
singleton=True guarded by a per-(plugin,user) Redis lock; wired onto the shared
interactive worker.
Gates: ruff, mypy --strict (94 files + tests), full suite 326 passed. RLS isolation,
migration round-trip, and singleton lock covered by tests.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Rcj3TpydMTzTSmU7kunzf8
40 lines
1.0 KiB
Python
40 lines
1.0 KiB
Python
"""add plugin_kv (SPEC §11 plugin namespaced key/value store)
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Core-owned table backing ``plugin_kv(plugin, user_id, key)`` — the light-state
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store every plugin gets (SPEC §11). Not a ``plg_``-prefixed plugin-owned table;
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plugin-owned tables ship in each plugin's own Alembic branch (§11.1).
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Revision ID: 0013
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Revises: 0012
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Create Date: 2026-07-26
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"""
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from __future__ import annotations
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from collections.abc import Sequence
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from alembic import op
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revision: str = "0013"
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down_revision: str | None = "0012"
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branch_labels: str | Sequence[str] | None = None
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depends_on: str | Sequence[str] | None = None
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def upgrade() -> None:
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op.execute(
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"""
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CREATE TABLE plugin_kv (
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plugin text NOT NULL,
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user_id uuid NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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key text NOT NULL,
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value jsonb NOT NULL,
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PRIMARY KEY (plugin, user_id, key)
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)
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"""
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)
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def downgrade() -> None:
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op.execute("DROP TABLE IF EXISTS plugin_kv")
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