[init] Add initial database migration files for PostgreSQL, SQLite, and MySQL

api/migrations/mysql/001_init.down.sql

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+-- Down migration for 001_init
+
+START TRANSACTION;
+
+-- Disable FK checks to avoid dependency issues during drops
+SET FOREIGN_KEY_CHECKS = 0;
+
+-- Drop indexes (will be removed automatically with tables, but explicit drops keep intent clear)
+DROP INDEX idx_routes_project_id ON routes;
+DROP INDEX idx_projects_workspace_id ON projects;
+DROP INDEX idx_workspaces_owner_id ON workspaces;
+
+-- Drop tables in reverse dependency order
+DROP TABLE IF EXISTS role_permissions;
+DROP TABLE IF EXISTS workspace_members;
+DROP TABLE IF EXISTS routes;
+DROP TABLE IF EXISTS projects;
+DROP TABLE IF EXISTS permissions;
+DROP TABLE IF EXISTS roles;
+DROP TABLE IF EXISTS workspaces;
+DROP TABLE IF EXISTS plans;
+DROP TABLE IF EXISTS users;
+
+-- Re-enable FK checks
+SET FOREIGN_KEY_CHECKS = 1;
+
+COMMIT;

api/migrations/mysql/001_init.up.sql

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+-- ===========
+--  Users & Plans
+-- ===========
+
+CREATE TABLE users (
+                       id INT AUTO_INCREMENT PRIMARY KEY,
+                       email VARCHAR(255) NOT NULL UNIQUE,
+                       username VARCHAR(255),
+                       hashed_password TEXT NOT NULL,
+                       created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                       updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
+);
+
+CREATE TABLE plans (
+                       id INT AUTO_INCREMENT PRIMARY KEY,
+                       name VARCHAR(255) NOT NULL UNIQUE, -- 'Free', 'Pro', 'Enterprise'
+    -- Features des Plans als JSON.
+                       features JSON NOT NULL,
+                       stripe_price_id VARCHAR(255) UNIQUE,
+                       created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                       updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
+);
+
+-- ===========
+--  Tenancy (Workspaces & Members)
+-- ===========
+
+CREATE TABLE workspaces (
+                            id INT AUTO_INCREMENT PRIMARY KEY,
+                            name VARCHAR(255) NOT NULL,
+                            owner_id INT NOT NULL,
+                            plan_id INT NOT NULL,
+                            subscription_status VARCHAR(255) NOT NULL, -- z.B. 'active', 'trialing'
+                            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                            updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+                            FOREIGN KEY (owner_id) REFERENCES users(id),
+                            FOREIGN KEY (plan_id) REFERENCES plans(id)
+);
+
+CREATE TABLE workspace_members (
+                                   user_id INT NOT NULL,
+                                   workspace_id INT NOT NULL,
+                                   role_id INT NOT NULL,
+                                   joined_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                                   PRIMARY KEY (user_id, workspace_id),
+                                   FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
+                                   FOREIGN KEY (workspace_id) REFERENCES workspaces(id) ON DELETE CASCADE,
+                                   FOREIGN KEY (role_id) REFERENCES roles(id)
+);
+
+-- ===========
+--  RBAC (Roles & Permissions)
+-- ===========
+
+CREATE TABLE roles (
+                       id INT AUTO_INCREMENT PRIMARY KEY,
+                       name VARCHAR(255) NOT NULL UNIQUE -- 'Workspace Owner', 'Admin', 'Developer', 'Viewer'
+);
+
+CREATE TABLE permissions (
+                             id INT AUTO_INCREMENT PRIMARY KEY,
+                             action VARCHAR(255) NOT NULL UNIQUE, -- 'project:create', 'route:delete', etc.
+                             description TEXT
+);
+
+CREATE TABLE role_permissions (
+                                  role_id INT NOT NULL,
+                                  permission_id INT NOT NULL,
+                                  PRIMARY KEY (role_id, permission_id),
+                                  FOREIGN KEY (role_id) REFERENCES roles(id) ON DELETE CASCADE,
+                                  FOREIGN KEY (permission_id) REFERENCES permissions(id) ON DELETE CASCADE
+);
+
+-- ===========
+--  Product Logic (Projects & Routes)
+-- ===========
+
+CREATE TABLE projects (
+                          id INT AUTO_INCREMENT PRIMARY KEY,
+                          workspace_id INT NOT NULL,
+                          name VARCHAR(255) NOT NULL,
+                          description TEXT,
+                          created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                          updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+                          FOREIGN KEY (workspace_id) REFERENCES workspaces(id) ON DELETE CASCADE
+);
+
+CREATE TABLE routes (
+                        id INT AUTO_INCREMENT PRIMARY KEY,
+                        project_id INT NOT NULL,
+    -- Matching Rules
+                        method VARCHAR(10) NOT NULL,
+                        path TEXT NOT NULL,
+                        request_body_contains TEXT,
+    -- Protocol Dispatcher
+                        protocol VARCHAR(20) NOT NULL CHECK(protocol IN ('REST_JSON', 'GRAPHQL', 'RAW_BYTESTREAM', 'JSON_RPC')),
+                        schema_definition TEXT,
+    -- Response Definition
+                        response_mode VARCHAR(10) NOT NULL CHECK(response_mode IN ('STATIC', 'DYNAMIC')) DEFAULT 'STATIC',
+                        response_script TEXT,
+                        status_code INT NOT NULL DEFAULT 200,
+    -- JSON für Header und TEXT für Body
+                        response_headers JSON,
+                        response_body TEXT,
+                        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                        updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+                        FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE
+);
+
+-- ===========
+--  Indizes für schnelle Abfragen
+-- ===========
+
+CREATE INDEX idx_workspaces_owner_id ON workspaces(owner_id);
+CREATE INDEX idx_projects_workspace_id ON projects(workspace_id);
+CREATE INDEX idx_routes_project_id ON routes(project_id);

api/migrations/postgresql/001_init.down.sql

@@ -0,0 +1,36 @@
+-- ===========
+--  Down Migration
+-- ===========
+
+-- Drop triggers (must be dropped before their tables)
+DROP TRIGGER IF EXISTS update_routes_updated_at ON routes;
+DROP TRIGGER IF EXISTS update_projects_updated_at ON projects;
+DROP TRIGGER IF EXISTS update_workspaces_updated_at ON workspaces;
+DROP TRIGGER IF EXISTS update_plans_updated_at ON plans;
+DROP TRIGGER IF EXISTS update_users_updated_at ON users;
+
+-- Drop the trigger function (after all triggers are gone)
+DROP FUNCTION IF EXISTS update_updated_at_column();
+
+-- Drop indexes
+DROP INDEX IF EXISTS idx_routes_project_id;
+DROP INDEX IF EXISTS idx_projects_workspace_id;
+DROP INDEX IF EXISTS idx_workspaces_owner_id;
+
+-- Drop tables in reverse dependency order
+-- Product Logic
+DROP TABLE IF EXISTS routes;
+DROP TABLE IF EXISTS projects;
+
+-- RBAC
+DROP TABLE IF EXISTS role_permissions;
+DROP TABLE IF EXISTS permissions;
+DROP TABLE IF EXISTS roles;
+
+-- Tenancy
+DROP TABLE IF EXISTS workspace_members;
+DROP TABLE IF EXISTS workspaces;
+
+-- Users & Plans
+DROP TABLE IF EXISTS plans;
+DROP TABLE IF EXISTS users;

api/migrations/postgresql/001_init.up.sql

@@ -0,0 +1,151 @@
+-- ===========
+--  Users & Plans
+-- ===========
+
+-- A function to automatically update 'updated_at' columns
+CREATE
+OR REPLACE
+FUNCTION update_updated_at_column()
+RETURNS TRIGGER AS $$
+BEGIN NEW.updated_at = NOW();
+RETURN NEW;
+END;
+$$ language 'plpgsql';
+
+CREATE TABLE users
+(
+    id              SERIAL PRIMARY KEY,
+    email           TEXT NOT NULL UNIQUE,
+    username        TEXT,
+    hashed_password TEXT NOT NULL,
+    created_at      TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP,
+    updated_at      TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE plans
+(
+    id              SERIAL PRIMARY KEY,
+    name            TEXT  NOT NULL UNIQUE, -- 'Free', 'Pro', 'Enterprise'
+    -- Features des Plans als JSONB. Flexibel und indizierbar.
+    features        JSONB NOT NULL,
+    stripe_price_id TEXT UNIQUE,
+    created_at      TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP,
+    updated_at      TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP
+);
+
+-- ===========
+--  Tenancy (Workspaces & Members)
+-- ===========
+
+CREATE TABLE workspaces
+(
+    id                  SERIAL PRIMARY KEY,
+    name                TEXT    NOT NULL,
+    owner_id            INTEGER NOT NULL REFERENCES users (id),
+    plan_id             INTEGER NOT NULL REFERENCES plans (id),
+    subscription_status TEXT    NOT NULL, -- z.B. 'active', 'trialing'
+    created_at          TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP,
+    updated_at          TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE workspace_members
+(
+    user_id      INTEGER NOT NULL REFERENCES users (id) ON DELETE CASCADE,
+    workspace_id INTEGER NOT NULL REFERENCES workspaces (id) ON DELETE CASCADE,
+    role_id      INTEGER NOT NULL REFERENCES roles (id),
+    joined_at    TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP,
+    PRIMARY KEY (user_id, workspace_id)
+);
+
+-- ===========
+--  RBAC (Roles & Permissions)
+-- ===========
+
+CREATE TABLE roles
+(
+    id   SERIAL PRIMARY KEY,
+    name TEXT NOT NULL UNIQUE -- 'Workspace Owner', 'Admin', 'Developer', 'Viewer'
+);
+
+CREATE TABLE permissions
+(
+    id          SERIAL PRIMARY KEY,
+    action      TEXT NOT NULL UNIQUE, -- 'project:create', 'route:delete', etc.
+    description TEXT
+);
+
+CREATE TABLE role_permissions
+(
+    role_id       INTEGER NOT NULL REFERENCES roles (id) ON DELETE CASCADE,
+    permission_id INTEGER NOT NULL REFERENCES permissions (id) ON DELETE CASCADE,
+    PRIMARY KEY (role_id, permission_id)
+);
+
+-- ===========
+--  Product Logic (Projects & Routes)
+-- ===========
+
+CREATE TABLE projects
+(
+    id           SERIAL PRIMARY KEY,
+    workspace_id INTEGER NOT NULL REFERENCES workspaces (id) ON DELETE CASCADE,
+    name         TEXT    NOT NULL,
+    description  TEXT,
+    created_at   TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP,
+    updated_at   TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE routes
+(
+    id                    SERIAL PRIMARY KEY,
+    project_id            INTEGER NOT NULL REFERENCES projects (id) ON DELETE CASCADE,
+    -- Matching Rules
+    method                TEXT    NOT NULL,
+    path                  TEXT    NOT NULL,
+    request_body_contains TEXT,
+    -- Protocol Dispatcher
+    protocol              TEXT    NOT NULL CHECK (protocol IN ('REST_JSON', 'GRAPHQL', 'RAW_BYTESTREAM', 'JSON_RPC')),
+    schema_definition     TEXT,
+    -- Response Definition
+    response_mode         TEXT    NOT NULL CHECK (response_mode IN ('STATIC', 'DYNAMIC')) DEFAULT 'STATIC',
+    response_script       TEXT,
+    status_code           INTEGER NOT NULL                                                DEFAULT 200,
+    -- JSONB für Header und Text für Body
+    response_headers      JSONB,
+    response_body         TEXT,
+    created_at            TIMESTAMPTZ                                                     DEFAULT CURRENT_TIMESTAMP,
+    updated_at            TIMESTAMPTZ                                                     DEFAULT CURRENT_TIMESTAMP
+);
+
+-- ===========
+--  Indizes für schnelle Abfragen (Syntax is the same)
+-- ===========
+
+CREATE INDEX idx_workspaces_owner_id ON workspaces (owner_id);
+CREATE INDEX idx_projects_workspace_id ON projects (workspace_id);
+CREATE INDEX idx_routes_project_id ON routes (project_id);
+
+-- ===========
+--  Trigger to auto-update 'updated_at' fields
+--  Apply this to all tables that have the 'updated_at' column
+-- ===========
+CREATE TRIGGER update_users_updated_at
+    BEFORE UPDATE
+    ON users
+    FOR EACH ROW EXECUTE PROCEDURE update_updated_at_column();
+CREATE TRIGGER update_plans_updated_at
+    BEFORE UPDATE
+    ON plans
+    FOR EACH ROW EXECUTE PROCEDURE update_updated_at_column();
+CREATE TRIGGER update_workspaces_updated_at
+    BEFORE UPDATE
+    ON workspaces
+    FOR EACH ROW EXECUTE PROCEDURE update_updated_at_column();
+CREATE TRIGGER update_projects_updated_at
+    BEFORE UPDATE
+    ON projects
+    FOR EACH ROW EXECUTE PROCEDURE update_updated_at_column();
+CREATE TRIGGER update_routes_updated_at
+    BEFORE UPDATE
+    ON routes
+    FOR EACH ROW EXECUTE PROCEDURE update_updated_at_column();

api/migrations/sqlite3/001_init.down.sql

@@ -0,0 +1,33 @@
+-- ===========
+--  Down Migration for 001_init
+-- ===========
+
+-- Drop indexes (reverse of creation order isn't required for indexes, but do before tables)
+DROP INDEX IF EXISTS idx_routes_project_id;
+DROP INDEX IF EXISTS idx_projects_workspace_id;
+DROP INDEX IF EXISTS idx_workspaces_owner_id;
+
+-- ===========
+--  Product Logic (Projects & Routes)
+-- ===========
+DROP TABLE IF EXISTS routes;
+DROP TABLE IF EXISTS projects;
+
+-- ===========
+--  RBAC (Roles & Permissions)
+-- ===========
+DROP TABLE IF EXISTS role_permissions;
+DROP TABLE IF EXISTS permissions;
+DROP TABLE IF EXISTS roles;
+
+-- ===========
+--  Tenancy (Workspaces & Members)
+-- ===========
+DROP TABLE IF EXISTS workspace_members;
+DROP TABLE IF EXISTS workspaces;
+
+-- ===========
+--  Users & Plans
+-- ===========
+DROP TABLE IF EXISTS plans;
+DROP TABLE IF EXISTS users;

api/migrations/sqlite3/001_init.up.sql

@@ -0,0 +1,116 @@
+-- ===========
+--  Users & Plans
+-- ===========
+
+CREATE TABLE users
+(
+    id              INTEGER PRIMARY KEY,
+    email           TEXT NOT NULL UNIQUE,
+    username        TEXT,
+    hashed_password TEXT NOT NULL,
+    created_at      TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    updated_at      TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE plans
+(
+    id              INTEGER PRIMARY KEY,
+    name            TEXT NOT NULL UNIQUE, -- 'Free', 'Pro', 'Enterprise'
+    -- Features des Plans als JSON. Flexibel für zukünftige Änderungen.
+    features        TEXT NOT NULL,
+    stripe_price_id TEXT UNIQUE,
+    created_at      TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    updated_at      TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+);
+
+-- ===========
+--  Tenancy (Workspaces & Members)
+-- ===========
+
+CREATE TABLE workspaces
+(
+    id                  INTEGER PRIMARY KEY,
+    name                TEXT    NOT NULL,
+    owner_id            INTEGER NOT NULL REFERENCES users (id),
+    plan_id             INTEGER NOT NULL REFERENCES plans (id),
+    subscription_status TEXT    NOT NULL, -- z.B. 'active', 'trialing'
+    created_at          TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    updated_at          TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE workspace_members
+(
+    user_id      INTEGER NOT NULL REFERENCES users (id) ON DELETE CASCADE,
+    workspace_id INTEGER NOT NULL REFERENCES workspaces (id) ON DELETE CASCADE,
+    role_id      INTEGER NOT NULL REFERENCES roles (id),
+    joined_at    TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    PRIMARY KEY (user_id, workspace_id)
+);
+
+-- ===========
+--  RBAC (Roles & Permissions)
+-- ===========
+
+CREATE TABLE roles
+(
+    id   INTEGER PRIMARY KEY,
+    name TEXT NOT NULL UNIQUE -- 'Workspace Owner', 'Admin', 'Developer', 'Viewer'
+);
+
+CREATE TABLE permissions
+(
+    id          INTEGER PRIMARY KEY,
+    action      TEXT NOT NULL UNIQUE, -- 'project:create', 'route:delete', etc.
+    description TEXT
+);
+
+CREATE TABLE role_permissions
+(
+    role_id       INTEGER NOT NULL REFERENCES roles (id) ON DELETE CASCADE,
+    permission_id INTEGER NOT NULL REFERENCES permissions (id) ON DELETE CASCADE,
+    PRIMARY KEY (role_id, permission_id)
+);
+
+-- ===========
+--  Product Logic (Projects & Routes)
+-- ===========
+
+CREATE TABLE projects
+(
+    id           INTEGER PRIMARY KEY,
+    workspace_id INTEGER NOT NULL REFERENCES workspaces (id) ON DELETE CASCADE,
+    name         TEXT    NOT NULL,
+    description  TEXT,
+    created_at   TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    updated_at   TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE routes
+(
+    id                    INTEGER PRIMARY KEY,
+    project_id            INTEGER NOT NULL REFERENCES projects (id) ON DELETE CASCADE,
+    -- Matching Rules
+    method                TEXT    NOT NULL,
+    path                  TEXT    NOT NULL,
+    request_body_contains TEXT,
+    -- Protocol Dispatcher (kompatibel mit SQLite & Postgres)
+    protocol              TEXT    NOT NULL CHECK (protocol IN ('REST_JSON', 'GRAPHQL', 'RAW_BYTESTREAM', 'JSON_RPC')),
+    schema_definition     TEXT,
+    -- Response Definition
+    response_mode         TEXT    NOT NULL CHECK (response_mode IN ('STATIC', 'DYNAMIC')) DEFAULT 'STATIC',
+    response_script       TEXT,
+    status_code           INTEGER NOT NULL                                                DEFAULT 200,
+    -- Für SQLite: TEXT-Spalte, die JSON enthält.
+    response_headers      TEXT, -- In Postgres: JSONB
+    response_body         TEXT,
+    created_at            TIMESTAMP WITH TIME ZONE                                        DEFAULT CURRENT_TIMESTAMP,
+    updated_at            TIMESTAMP WITH TIME ZONE                                        DEFAULT CURRENT_TIMESTAMP
+);
+
+-- ===========
+--  Indizes für schnelle Abfragen
+-- ===========
+
+CREATE INDEX idx_workspaces_owner_id ON workspaces (owner_id);
+CREATE INDEX idx_projects_workspace_id ON projects (workspace_id);
+CREATE INDEX idx_routes_project_id ON routes (project_id);