bugfix

migrations/0023_project_memory.up.sql

@@ -0,0 +1,21 @@
+-- project_memory: durable, typed project knowledge with optional embeddings.
+CREATE TABLE project_memory (
+    id              uuid PRIMARY KEY,
+    project_id      uuid NOT NULL REFERENCES projects(id) ON DELETE CASCADE,
+    workspace_id    uuid NULL REFERENCES workspaces(id) ON DELETE CASCADE,
+    kind            text NOT NULL CHECK (kind IN ('decision','convention','file_map','gotcha')),
+    title           text NOT NULL,
+    body            text NOT NULL,
+    tags            text[] NOT NULL DEFAULT '{}',
+    source          text NOT NULL DEFAULT 'agent' CHECK (source IN ('agent','user','auto')),
+    embedding       vector(1536) NULL,
+    embedding_model text NULL,
+    created_by      uuid REFERENCES users(id),
+    created_at      timestamptz NOT NULL DEFAULT now(),
+    updated_at      timestamptz NOT NULL DEFAULT now()
+);
+
+CREATE INDEX idx_project_memory_proj ON project_memory (project_id, kind);
+CREATE INDEX idx_project_memory_embedding ON project_memory USING hnsw (embedding vector_cosine_ops)
+    WHERE embedding IS NOT NULL;
+CREATE INDEX idx_project_memory_tags ON project_memory USING gin (tags);