diff --git a/packaging/mother/mother_schema.sql b/packaging/mother/mother_schema.sql
new file mode 100644
index 0000000..7be17ca
--- /dev/null
+++ b/packaging/mother/mother_schema.sql
@@ -0,0 +1,85 @@
+CREATE TABLE IF NOT EXISTS usb_nodes (
+    id              SERIAL PRIMARY KEY,
+    hostname        TEXT NOT NULL UNIQUE,
+    last_seen       TIMESTAMPTZ NOT NULL DEFAULT now(),
+    first_seen      TIMESTAMPTZ NOT NULL DEFAULT now(),
+    freebsd_version JSONB,
+    hw_profile      JSONB NOT NULL,
+    capabilities    JSONB,
+    status          TEXT NOT NULL DEFAULT 'offline',
+    tags            TEXT[] DEFAULT '{}',
+    last_cap_sync   TIMESTAMPTZ
+);
+CREATE INDEX IF NOT EXISTS idx_nodes_status ON usb_nodes (status);
+CREATE INDEX IF NOT EXISTS idx_nodes_last_seen ON usb_nodes (last_seen DESC);
+CREATE INDEX IF NOT EXISTS idx_nodes_cap_has_gpu ON usb_nodes ((capabilities->>'has_gpu'));
+CREATE TABLE IF NOT EXISTS build_queue (
+    id              SERIAL PRIMARY KEY,
+    node_id         INTEGER REFERENCES usb_nodes(id),
+    crate           TEXT NOT NULL DEFAULT 'colibri-daemon',
+    branch          TEXT NOT NULL DEFAULT 'main',
+    release         BOOLEAN NOT NULL DEFAULT true,
+    status          TEXT NOT NULL DEFAULT 'queued',
+    priority        INTEGER NOT NULL DEFAULT 0,
+    queued_at       TIMESTAMPTZ NOT NULL DEFAULT now(),
+    started_at      TIMESTAMPTZ,
+    completed_at    TIMESTAMPTZ,
+    binary_path     TEXT,
+    binary_size     BIGINT,
+    commit_sha      TEXT,
+    duration_s      INTEGER,
+    error_log       TEXT
+);
+CREATE INDEX IF NOT EXISTS idx_build_status ON build_queue (status, priority DESC, queued_at);
+CREATE TABLE IF NOT EXISTS audit_log (
+    id              BIGSERIAL PRIMARY KEY,
+    event_ts        TIMESTAMPTZ NOT NULL DEFAULT now(),
+    event_type      TEXT NOT NULL,
+    node_id         INTEGER REFERENCES usb_nodes(id),
+    build_id        INTEGER REFERENCES build_queue(id),
+    details         JSONB
+);
+CREATE INDEX IF NOT EXISTS idx_audit_ts ON audit_log (event_ts DESC);
+
+CREATE OR REPLACE FUNCTION derive_capabilities()
+RETURNS trigger AS $$
+DECLARE
+    ram     INTEGER;
+    drivers TEXT;
+    wifi    JSONB;
+    caps    JSONB := '{}'::JSONB;
+BEGIN
+    ram := COALESCE((NEW.hw_profile->>'ram_gb')::INTEGER, 0);
+    drivers := NEW.hw_profile->>'gpu_driver';
+    wifi := NEW.hw_profile->'wifi';
+    IF NEW.hw_profile->'gpu' IS NOT NULL AND jsonb_array_length(NEW.hw_profile->'gpu') > 0 THEN
+        caps := caps || '{"has_gpu": true}'::JSONB;
+        IF drivers ILIKE '%amdgpu%' THEN
+            caps := caps || '{"gpu_vendor": "amd", "vulkan_compute": true}'::JSONB;
+        ELSIF drivers ILIKE '%nvidia%' THEN
+            caps := caps || '{"gpu_vendor": "nvidia"}'::JSONB;
+        END IF;
+    ELSE
+        caps := caps || '{"has_gpu": false, "cpu_only": true}'::JSONB;
+    END IF;
+    IF caps->>'has_gpu' = 'true' AND caps->>'gpu_vendor' = 'nvidia' THEN
+        caps := caps || '{"can_run_local_llm": true}'::JSONB;
+        IF ram >= 64 THEN caps := caps || '{"max_model": "13b-q4"}'::JSONB;
+        ELSIF ram >= 32 THEN caps := caps || '{"max_model": "7b-q4"}'::JSONB;
+        END IF;
+    ELSIF ram >= 16 THEN
+        caps := caps || '{"can_run_local_llm": true, "max_model": "3b"}'::JSONB;
+    END IF;
+    IF wifi IS NOT NULL AND jsonb_array_length(wifi) > 0 THEN
+        caps := caps || '{"has_wifi": true}'::JSONB;
+    END IF;
+    NEW.capabilities := caps;
+    NEW.last_cap_sync := now();
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+DROP TRIGGER IF EXISTS trg_derive_capabilities ON usb_nodes;
+CREATE TRIGGER trg_derive_capabilities
+    BEFORE INSERT OR UPDATE OF hw_profile ON usb_nodes
+    FOR EACH ROW EXECUTE FUNCTION derive_capabilities();