fixes to db stuff

src/migrations/2025125_initial.sql

@@ -1,30 +0,0 @@
--- Create users table
-CREATE TABLE users (
-    id SERIAL PRIMARY KEY,
-    email VARCHAR(255) NOT NULL UNIQUE,
-    password_hash TEXT NOT NULL
-);
-
--- Create links table with user_id from the start
-CREATE TABLE links (
-    id SERIAL PRIMARY KEY,
-    original_url TEXT NOT NULL,
-    short_code VARCHAR(8) NOT NULL UNIQUE,
-    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
-    clicks BIGINT NOT NULL DEFAULT 0,
-    user_id INTEGER REFERENCES users(id)
-);
-
--- Create clicks table for tracking
-CREATE TABLE clicks (
-    id SERIAL PRIMARY KEY,
-    link_id INTEGER REFERENCES links(id),
-    source TEXT,
-    query_source TEXT,
-    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
-);
-
--- Create indexes
-CREATE INDEX idx_short_code ON links(short_code);
-CREATE INDEX idx_user_id ON links(user_id);
-CREATE INDEX idx_link_id ON clicks(link_id);