Initial public release

migrations/V1__baseline_memories.sql

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+-- Run OpenBrain migrations as the same database role that owns these objects.
+-- Existing installs with a differently owned memories table must transfer
+-- ownership before this baseline migration can apply ALTER TABLE changes.
+
+CREATE TABLE IF NOT EXISTS memories (
+    id UUID PRIMARY KEY,
+    agent_id VARCHAR(255) NOT NULL,
+    content TEXT NOT NULL,
+    embedding vector(384) NOT NULL,
+    keywords TEXT[] DEFAULT '{}',
+    metadata JSONB DEFAULT '{}'::jsonb,
+    created_at TIMESTAMPTZ DEFAULT NOW()
+);
+
+ALTER TABLE memories
+    ALTER COLUMN agent_id TYPE VARCHAR(255);
+
+ALTER TABLE memories
+    ADD COLUMN IF NOT EXISTS keywords TEXT[] DEFAULT '{}';
+
+ALTER TABLE memories
+    ADD COLUMN IF NOT EXISTS metadata JSONB DEFAULT '{}'::jsonb;
+
+ALTER TABLE memories
+    ADD COLUMN IF NOT EXISTS created_at TIMESTAMPTZ DEFAULT NOW();
+
+ALTER TABLE memories
+    ALTER COLUMN keywords SET DEFAULT '{}';
+
+ALTER TABLE memories
+    ALTER COLUMN metadata SET DEFAULT '{}'::jsonb;
+
+ALTER TABLE memories
+    ALTER COLUMN created_at SET DEFAULT NOW();
+
+CREATE INDEX IF NOT EXISTS idx_memories_agent ON memories(agent_id);
+CREATE INDEX IF NOT EXISTS idx_memories_embedding ON memories
+    USING hnsw (embedding vector_cosine_ops);