Fix sql scripts

Media.JoshHeaps.Net/Database/009_graphs.sql

@@ -0,0 +1,16 @@
+-- Network Graphs Table
+-- Stores user-created network graphs
+CREATE TABLE IF NOT EXISTS app.graphs (
+    id BIGSERIAL PRIMARY KEY,
+    user_id BIGINT NOT NULL,
+    name VARCHAR(255) NOT NULL,
+    description TEXT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (user_id) REFERENCES app.users(id) ON DELETE CASCADE,
+    -- Ensure graph names are unique per user
+    UNIQUE (user_id, name)
+);
+
+CREATE INDEX IF NOT EXISTS idx_graphs_user_id ON app.graphs(user_id);
+CREATE INDEX IF NOT EXISTS idx_graphs_name ON app.graphs(name);