Module project, commit, submission

db/migrations/0000012_project_members.up.sql

@@ -0,0 +1,14 @@
+CREATE TABLE IF NOT EXISTS project_members (
+    project_id UUID NOT NULL REFERENCES projects(id) ON DELETE CASCADE,
+    user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    role SMALLINT NOT NULL DEFAULT 3,  -- 1=owner, 2=editor, 3=viewer
+    invited_by UUID REFERENCES users(id) ON DELETE SET NULL,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    PRIMARY KEY (project_id, user_id)
+);
+
+CREATE INDEX idx_project_members_user 
+ON project_members (user_id, role);
+
+CREATE INDEX idx_project_members_project 
+ON project_members (project_id, role);