AI DEV portal 초기 커밋

Express+EJS+Postgres 사내 개발 포털.
- Keycloak OIDC(사번 로그인), GitHub 감성 UI
- 사이트 모음 + 프로젝트 공유/코멘트/스타
- DB: OpenEverest appdb portal schema (portal_app role)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

schema.sql

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+-- AI DEV portal 스키마 (search_path=portal). 멱등.
+-- 직원 식별자는 사번(Keycloak preferred_username). 표시 이름은 name.
+
+CREATE TABLE IF NOT EXISTS users (
+  sabun       text PRIMARY KEY,            -- 사번 (Keycloak preferred_username)
+  name        text NOT NULL,
+  email       text,
+  avatar_seed text,                        -- 아바타 색/이니셜용
+  created_at  timestamptz NOT NULL DEFAULT now(),
+  last_login  timestamptz
+);
+
+-- 공유 프로젝트 (직원이 만든 앱/repo 를 포털에 공유)
+CREATE TABLE IF NOT EXISTS projects (
+  id          bigint GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
+  owner_sabun text NOT NULL REFERENCES users(sabun),
+  title       text NOT NULL,
+  description text DEFAULT '',
+  repo_url    text DEFAULT '',             -- Gitea repo
+  app_url     text DEFAULT '',             -- 배포된 앱 (*.apps.bokdev.in)
+  tags        text DEFAULT '',             -- 콤마 구분
+  created_at  timestamptz NOT NULL DEFAULT now(),
+  updated_at  timestamptz NOT NULL DEFAULT now()
+);
+CREATE INDEX IF NOT EXISTS idx_projects_created ON projects(created_at DESC);
+
+-- 코멘트
+CREATE TABLE IF NOT EXISTS comments (
+  id          bigint GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
+  project_id  bigint NOT NULL REFERENCES projects(id) ON DELETE CASCADE,
+  author_sabun text NOT NULL REFERENCES users(sabun),
+  body        text NOT NULL,
+  created_at  timestamptz NOT NULL DEFAULT now()
+);
+CREATE INDEX IF NOT EXISTS idx_comments_project ON comments(project_id, created_at);
+
+-- 스타(좋아요)
+CREATE TABLE IF NOT EXISTS stars (
+  project_id  bigint NOT NULL REFERENCES projects(id) ON DELETE CASCADE,
+  sabun       text NOT NULL REFERENCES users(sabun),
+  created_at  timestamptz NOT NULL DEFAULT now(),
+  PRIMARY KEY (project_id, sabun)
+);