Preparar repositorio para despliegue: código fuente limpio

init-db/08-embeddings.sql

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+CREATE TABLE IF NOT EXISTS traduccion_embeddings (
+  id             SERIAL PRIMARY KEY,
+  traduccion_id  INT NOT NULL REFERENCES traducciones(id) ON DELETE CASCADE,
+  model          TEXT NOT NULL,
+  dim            INT NOT NULL,
+  embedding      DOUBLE PRECISION[] NOT NULL,
+  created_at     TIMESTAMP DEFAULT NOW(),
+  UNIQUE (traduccion_id, model)
+);
+
+CREATE INDEX IF NOT EXISTS idx_tr_emb_traduccion_id ON traduccion_embeddings(traduccion_id);
+CREATE INDEX IF NOT EXISTS idx_tr_emb_model          ON traduccion_embeddings(model);
+
+DO $$
+BEGIN
+  IF EXISTS (
+    SELECT 1 FROM information_schema.tables
+    WHERE table_schema = 'public' AND table_name = 'embeddings'
+  ) THEN
+    EXECUTE 'ALTER TABLE embeddings RENAME TO embeddings_legacy';
+  END IF;
+EXCEPTION WHEN others THEN
+  NULL;
+END$$;
+
+CREATE OR REPLACE VIEW embeddings AS
+SELECT
+  te.traduccion_id,
+  te.dim,
+  te.embedding AS vec
+FROM traduccion_embeddings te
+WHERE te.model = 'sentence-transformers/paraphrase-multilingual-MiniLM-L12-v2';
+
+CREATE TABLE IF NOT EXISTS related_noticias (
+  traduccion_id          INT NOT NULL REFERENCES traducciones(id) ON DELETE CASCADE,
+  related_traduccion_id  INT NOT NULL REFERENCES traducciones(id) ON DELETE CASCADE,
+  score                  DOUBLE PRECISION NOT NULL,
+  created_at             TIMESTAMP DEFAULT NOW(),
+  PRIMARY KEY (traduccion_id, related_traduccion_id),
+  CHECK (traduccion_id <> related_traduccion_id)
+);
+
+CREATE INDEX IF NOT EXISTS idx_related_by_tr        ON related_noticias (traduccion_id);
+CREATE INDEX IF NOT EXISTS idx_related_by_relatedtr ON related_noticias (related_traduccion_id);
+