[Refactor] lab -> VirtualWorkspace와 Judge BC로 분할

.gitignore

@@ -37,3 +37,7 @@ out/
 
 ### VS Code ###
 .vscode/
+
+
+.gradle-home
+*.md

build.gradle

@@ -9,6 +9,9 @@ version = '0.0.1-SNAPSHOT'
 
 java {
     sourceCompatibility = '17'
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(17)
+    }
 }
 
 configurations {

docs/virtual-workspace-schema.sql

@@ -0,0 +1,33 @@
+-- VirtualWorkspace 단일-row 갱신 모델 스키마
+-- - PK: (player_id, stage_code)
+-- - UNIQUE: public_id (Gateway lookup key)
+
+CREATE TABLE virtual_workspace (
+    player_id        BIGINT       NOT NULL,
+    stage_code       VARCHAR(32)   NOT NULL,
+
+    public_id        VARCHAR(63)   NOT NULL,
+    lifecycle_status VARCHAR(20)   NOT NULL,
+
+    owner_subject_id VARCHAR(255)  NOT NULL,
+    access_mode      VARCHAR(20)   NOT NULL,
+
+    base_host        VARCHAR(255)  NOT NULL,
+
+    k8s_namespace    VARCHAR(63)   NULL,
+    service_name     VARCHAR(63)   NULL,
+    service_port     INT           NULL,
+
+    image            VARCHAR(255)  NOT NULL,
+    port             INT           NOT NULL,
+    cpu              VARCHAR(32)   NOT NULL,
+    memory           VARCHAR(32)   NOT NULL,
+    readiness_path   VARCHAR(128)  NOT NULL,
+
+    created_date     DATETIME(0)   NULL,
+    modified_date    DATETIME(0)   NULL,
+
+    PRIMARY KEY (player_id, stage_code),
+    UNIQUE KEY uk_virtual_workspace_public_id (public_id)
+);
+