feat: project add & list

schema.sql

@@ -82,4 +82,22 @@ CREATE TABLE IF NOT EXISTS meeting_temp_channels (
     PRIMARY KEY (guild_id, channel_id)
 );
 
+-- Projects & members
+CREATE TABLE IF NOT EXISTS projects (
+    id BIGSERIAL PRIMARY KEY,
+    guild_id BIGINT NOT NULL,
+    name TEXT NOT NULL,
+    description TEXT,
+    is_active BOOLEAN NOT NULL DEFAULT TRUE,
+    created_by BIGINT NOT NULL,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE TABLE IF NOT EXISTS project_members (
+    project_id BIGINT NOT NULL REFERENCES projects(id) ON DELETE CASCADE,
+    user_id BIGINT NOT NULL,
+    is_creator BOOLEAN NOT NULL DEFAULT FALSE,
+    PRIMARY KEY (project_id, user_id)
+);
+
 --