server and web app

apps/server/internal/database/migrations/000010_collaboration.up.sql

@@ -0,0 +1,44 @@
+CREATE TABLE IF NOT EXISTS comments (
+    id TEXT PRIMARY KEY,
+    document_id TEXT NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
+    version_hash TEXT NOT NULL,
+    parent_id TEXT REFERENCES comments(id) ON DELETE CASCADE,
+    author_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    content TEXT NOT NULL,
+    anchor_hash TEXT,
+    anchor_line INTEGER,
+    created_at TEXT NOT NULL,
+    resolved_at TEXT,
+    resolved_by TEXT REFERENCES users(id) ON DELETE SET NULL
+);
+
+CREATE INDEX IF NOT EXISTS idx_comments_document ON comments(document_id);
+CREATE INDEX IF NOT EXISTS idx_comments_parent ON comments(parent_id);
+CREATE INDEX IF NOT EXISTS idx_comments_author ON comments(author_id);
+
+CREATE TABLE IF NOT EXISTS notifications (
+    id TEXT PRIMARY KEY,
+    user_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    type TEXT NOT NULL CHECK(type IN ('file_changed', 'comment', 'mention', 'conflict')),
+    resource_type TEXT NOT NULL,
+    resource_id TEXT NOT NULL,
+    message TEXT NOT NULL,
+    read_at TEXT,
+    emailed_at TEXT,
+    created_at TEXT NOT NULL
+);
+
+CREATE INDEX IF NOT EXISTS idx_notifications_user ON notifications(user_id);
+CREATE INDEX IF NOT EXISTS idx_notifications_unread ON notifications(user_id, read_at) WHERE read_at IS NULL;
+CREATE INDEX IF NOT EXISTS idx_notifications_created_at ON notifications(created_at);
+
+CREATE TABLE IF NOT EXISTS watchers (
+    user_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    document_id TEXT REFERENCES documents(id) ON DELETE CASCADE,
+    folder_path TEXT,
+    created_at TEXT NOT NULL,
+    PRIMARY KEY (user_id, document_id, folder_path)
+);
+
+CREATE INDEX IF NOT EXISTS idx_watchers_document ON watchers(document_id);
+CREATE INDEX IF NOT EXISTS idx_watchers_folder ON watchers(folder_path);