feat: add postgres migrations and repository adapters for vertical slice

crates/adapters/postgres/migrations/003_storage.sql

@@ -0,0 +1,52 @@
+CREATE TABLE storage_volumes (
+    volume_id       UUID PRIMARY KEY,
+    volume_name     TEXT NOT NULL,
+    uri_prefix      TEXT NOT NULL,
+    is_writable     BOOLEAN NOT NULL DEFAULT true,
+    available_bytes BIGINT NOT NULL DEFAULT 0
+);
+
+CREATE TABLE library_paths (
+    path_id              UUID PRIMARY KEY,
+    volume_id            UUID NOT NULL REFERENCES storage_volumes(volume_id),
+    relative_path        TEXT NOT NULL,
+    is_ingest_destination BOOLEAN NOT NULL DEFAULT false,
+    ownership_policy     TEXT NOT NULL DEFAULT 'unassigned',
+    designated_owner_id  UUID
+);
+
+CREATE TABLE quota_definitions (
+    quota_id     UUID PRIMARY KEY,
+    owner_scope  UUID NOT NULL,
+    is_enforced  BOOLEAN NOT NULL DEFAULT true
+);
+
+CREATE TABLE quota_rules (
+    rule_id      UUID PRIMARY KEY,
+    quota_id     UUID NOT NULL REFERENCES quota_definitions(quota_id) ON DELETE CASCADE,
+    dimension    TEXT NOT NULL,
+    limit_value  BIGINT NOT NULL,
+    time_period  TEXT NOT NULL,
+    is_unlimited BOOLEAN NOT NULL DEFAULT false
+);
+
+CREATE TABLE usage_ledger (
+    entry_id        UUID PRIMARY KEY,
+    user_id         UUID NOT NULL REFERENCES users(id),
+    usage_type      TEXT NOT NULL,
+    consumed_amount BIGINT NOT NULL,
+    timestamp       TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    context         TEXT NOT NULL DEFAULT ''
+);
+
+CREATE TABLE ingest_sessions (
+    session_id           UUID PRIMARY KEY,
+    uploader_user_id     UUID NOT NULL REFERENCES users(id),
+    client_device_id     TEXT NOT NULL,
+    original_filename    TEXT NOT NULL,
+    client_checksum      TEXT NOT NULL,
+    target_library_path_id UUID NOT NULL REFERENCES library_paths(path_id),
+    status               TEXT NOT NULL DEFAULT 'uploading',
+    created_at           TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    error_message        TEXT
+);