batch 1 update style & dahsboard for rec.nurinda.co.id

dashboard/migrations/.htaccess

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+Require all denied

dashboard/migrations/001_admin.sql

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+CREATE TABLE IF NOT EXISTS rec_admin (
+    id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+    email VARCHAR(190) NOT NULL UNIQUE,
+    nama_de VARCHAR(100) NOT NULL,
+    nama_be VARCHAR(100) NOT NULL DEFAULT '',
+    idkar VARCHAR(50) NOT NULL DEFAULT '',
+    password_hash VARCHAR(255) NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

dashboard/migrations/002_admin_identity.sql

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+-- Only for an existing rec_admin table created by the original 001_admin.sql.
+-- Existing names and password hashes are preserved. created_at remains as historical data.
+ALTER TABLE rec_admin
+    CHANGE COLUMN name nama_de VARCHAR(100) NOT NULL,
+    ADD COLUMN nama_be VARCHAR(100) NOT NULL DEFAULT '' AFTER nama_de,
+    ADD COLUMN idkar VARCHAR(50) NOT NULL DEFAULT '' AFTER nama_be;

dashboard/migrations/003_exam_attempts.sql

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+CREATE TABLE IF NOT EXISTS rec_exam_attempt (
+ id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+ participant_id INT NOT NULL,
+ phase TINYINT UNSIGNED NOT NULL,
+ questions_json MEDIUMTEXT NOT NULL,
+ answers_json MEDIUMTEXT NOT NULL,
+ deadline BIGINT NOT NULL,
+ active_token CHAR(64) NOT NULL,
+ status VARCHAR(20) NOT NULL DEFAULT 'active',
+ started_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+ submitted_at DATETIME NULL,
+ UNIQUE KEY participant_phase (participant_id, phase)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+CREATE TABLE IF NOT EXISTS rec_exam_event (
+ id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+ attempt_id BIGINT UNSIGNED NOT NULL,
+ event_type VARCHAR(40) NOT NULL,
+ created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+ KEY attempt_events (attempt_id, id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+CREATE TABLE IF NOT EXISTS rec_candidate_login_guard (
+ email_hash CHAR(64) NOT NULL PRIMARY KEY,
+ failures INT NOT NULL DEFAULT 0,
+ blocked_until BIGINT NOT NULL DEFAULT 0,
+ window_started BIGINT NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;