Initial commit: Lookbook personal collection app

Pinterest-like app for saving images, videos, quotes, and embeds.

Features:
- Go backend with PostgreSQL, SSR templates
- Console-based admin auth (login/logout via browser console)
- Item types: images, videos (ffmpeg transcoding), quotes, embeds
- Media stored as BLOBs in PostgreSQL
- OpenGraph metadata extraction for links
- Embed detection for YouTube, Vimeo, Twitter/X
- Masonry grid layout, item detail pages
- Tag system with filtering
- Refresh metadata endpoint with change warnings
- Replace media endpoint for updating item images/videos

internal/migrations/sql/0001_init.sql

@@ -0,0 +1,80 @@
+-- +goose Up
+-- gen_random_uuid() is built-in since PostgreSQL 13, no extension needed
+
+-- Admin authentication (single row)
+CREATE TABLE admin (
+	id              SERIAL PRIMARY KEY,
+	password_hash   BYTEA,  -- NULL until first login() sets password
+	created_at      TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+-- Insert the single admin row
+INSERT INTO admin (id) VALUES (1);
+
+-- Sessions for admin authentication
+CREATE TABLE session (
+	id              BIGSERIAL PRIMARY KEY,
+	session_id      TEXT NOT NULL UNIQUE,
+	created_at      TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+	expires_at      TIMESTAMPTZ NOT NULL
+);
+
+CREATE INDEX idx_session_expires_at ON session(expires_at);
+
+-- Items (the main content)
+CREATE TABLE item (
+	id              BIGSERIAL PRIMARY KEY,
+	pub_id          UUID NOT NULL DEFAULT gen_random_uuid() UNIQUE,
+	title           TEXT,
+	description     TEXT,
+	link_url        TEXT,                   -- Source URL (optional)
+	item_type       TEXT NOT NULL,          -- 'image', 'video', 'quote', 'embed'
+	embed_provider  TEXT,                   -- 'youtube', 'vimeo', NULL
+	embed_video_id  TEXT,                   -- Video ID for embeds
+	embed_html      TEXT,                   -- Cached embed iframe HTML
+	created_at      TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+	deleted_at      TIMESTAMPTZ             -- Soft delete
+);
+
+CREATE INDEX idx_item_deleted ON item(deleted_at);
+CREATE INDEX idx_item_created ON item(created_at DESC);
+CREATE INDEX idx_item_pub_id ON item(pub_id);
+
+-- Media blobs (stored in DB)
+CREATE TABLE media (
+	id              BIGSERIAL PRIMARY KEY,
+	item_id         BIGINT NOT NULL REFERENCES item(id) ON DELETE CASCADE,
+	media_type      TEXT NOT NULL,          -- 'original', 'thumbnail'
+	content_type    TEXT NOT NULL,          -- MIME type
+	data            BYTEA NOT NULL,
+	width           INT,
+	height          INT,
+	created_at      TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX idx_media_item_id ON media(item_id);
+
+-- Tags
+CREATE TABLE tag (
+	id              BIGSERIAL PRIMARY KEY,
+	name            TEXT NOT NULL UNIQUE
+);
+
+CREATE INDEX idx_tag_name ON tag(name);
+
+-- Item-Tag junction
+CREATE TABLE item_tag (
+	item_id         BIGINT NOT NULL REFERENCES item(id) ON DELETE CASCADE,
+	tag_id          BIGINT NOT NULL REFERENCES tag(id) ON DELETE CASCADE,
+	PRIMARY KEY (item_id, tag_id)
+);
+
+CREATE INDEX idx_item_tag_tag_id ON item_tag(tag_id);
+
+-- +goose Down
+DROP TABLE IF EXISTS item_tag;
+DROP TABLE IF EXISTS tag;
+DROP TABLE IF EXISTS media;
+DROP TABLE IF EXISTS item;
+DROP TABLE IF EXISTS session;
+DROP TABLE IF EXISTS admin;