feat: import Chinese-localized Buzz source snapshot

Signed-off-by: cls_宁波本机 <908705107@qq.com>

migrations/0012_push_leases.sql

@@ -0,0 +1,52 @@
+-- NIP-PL effective lease state and durable wake outbox. Every key is led by
+-- community_id: client-provided origin is confirmation only, never routing.
+CREATE TABLE push_leases (
+    community_id UUID NOT NULL REFERENCES communities(id),
+    author BYTEA NOT NULL CHECK (length(author) = 32),
+    installation_id TEXT NOT NULL CHECK (octet_length(installation_id) BETWEEN 1 AND 64),
+    source_event_id BYTEA NOT NULL CHECK (length(source_event_id) = 32),
+    source_created_at BIGINT NOT NULL,
+    generation BIGINT NOT NULL CHECK (generation > 0),
+    active BOOLEAN NOT NULL,
+    app_profile TEXT,
+    endpoint_hash BYTEA CHECK (endpoint_hash IS NULL OR length(endpoint_hash) = 32),
+    endpoint_grant TEXT,
+    max_class TEXT CHECK (max_class IS NULL OR max_class IN ('silent','default','time_sensitive','urgent')),
+    subscriptions JSONB,
+    expires_at BIGINT NOT NULL,
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+    PRIMARY KEY (community_id, author, installation_id),
+    UNIQUE (community_id, source_event_id),
+    CHECK ((active AND app_profile IS NOT NULL AND endpoint_hash IS NOT NULL AND endpoint_grant IS NOT NULL AND max_class IS NOT NULL AND subscriptions IS NOT NULL)
+        OR (NOT active AND app_profile IS NULL AND endpoint_hash IS NULL AND endpoint_grant IS NULL AND max_class IS NULL AND subscriptions IS NULL))
+);
+CREATE UNIQUE INDEX push_leases_endpoint_unique
+    ON push_leases (community_id, author, app_profile, endpoint_hash)
+    WHERE active;
+CREATE INDEX push_leases_expiry ON push_leases (community_id, expires_at) WHERE active;
+
+CREATE TABLE push_wake_outbox (
+    community_id UUID NOT NULL REFERENCES communities(id),
+    id UUID NOT NULL DEFAULT gen_random_uuid(),
+    author BYTEA NOT NULL CHECK (length(author) = 32),
+    installation_id TEXT NOT NULL,
+    lease_generation BIGINT NOT NULL CHECK (lease_generation > 0),
+    endpoint_hash BYTEA NOT NULL CHECK (length(endpoint_hash) = 32),
+    event_id BYTEA NOT NULL CHECK (length(event_id) = 32),
+    class TEXT NOT NULL CHECK (class IN ('silent','default','time_sensitive','urgent')),
+    expires_at BIGINT NOT NULL,
+    state TEXT NOT NULL DEFAULT 'pending' CHECK (state IN ('pending','sending','delivered','failed')),
+    attempts INTEGER NOT NULL DEFAULT 0 CHECK (attempts >= 0),
+    next_attempt_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+    lease_until TIMESTAMPTZ,
+    claim_id UUID,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+    PRIMARY KEY (community_id, id),
+    FOREIGN KEY (community_id, author, installation_id)
+        REFERENCES push_leases (community_id, author, installation_id),
+    UNIQUE (community_id, endpoint_hash, event_id)
+);
+CREATE INDEX push_wake_outbox_due
+    ON push_wake_outbox (community_id, next_attempt_at) WHERE state = 'pending';
+CREATE INDEX push_wake_outbox_recovery
+    ON push_wake_outbox (community_id, lease_until) WHERE state = 'sending';