Add codeowners file

CODEOWNERS

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+@jorge-romero

persistence/src/main/resources/db/changelog/migrations/008_create_feedback_tables.sql

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+--liquibase formatted sql
+
+-- ============================================================================
+-- changeset ods:011-create-feedback-tables
+-- Description: Stores feedback questionnaire submissions, including client
+--   metadata, the questions shown to the submitter, and their answers.
+-- ============================================================================
+CREATE TABLE IF NOT EXISTS feedback_submissions (
+    id                         UUID         NOT NULL DEFAULT gen_random_uuid() PRIMARY KEY,
+    client_id                  UUID         NOT NULL,
+    client_app_registration_id UUID         NOT NULL,
+    client_name                VARCHAR(255) NOT NULL,
+    submitter                  VARCHAR(255),
+    submitted_at               TIMESTAMPTZ  NOT NULL DEFAULT NOW(),
+    questions                  JSONB        NOT NULL,
+    answers                    JSONB        NOT NULL,
+    CONSTRAINT fk_feedback_submissions_client_app
+        FOREIGN KEY (client_id)
+        REFERENCES client_apps (id)
+        ON DELETE RESTRICT,
+    CONSTRAINT chk_feedback_submissions_questions_array
+        CHECK (COALESCE(jsonb_typeof(questions) = 'array', FALSE)),
+    CONSTRAINT chk_feedback_submissions_answers_object
+        CHECK (COALESCE(jsonb_typeof(answers) = 'object', FALSE))
+);
+
+CREATE INDEX IF NOT EXISTS idx_feedback_submissions_client_id
+    ON feedback_submissions (client_id);
+
+CREATE INDEX IF NOT EXISTS idx_feedback_submissions_client_app_registration_id
+    ON feedback_submissions (client_app_registration_id);
+
+COMMENT ON TABLE feedback_submissions
+    IS 'Questionnaire submissions with question and answer snapshots';
+COMMENT ON COLUMN feedback_submissions.client_app_registration_id
+    IS 'Azure Application registration ID (client_id), captured at submission time';
+COMMENT ON COLUMN feedback_submissions.client_name
+    IS 'Denormalized client application name captured at submission time';
+COMMENT ON COLUMN feedback_submissions.questions
+    IS 'Questionnaire definition shown to the submitter, stored as a JSON array';
+COMMENT ON COLUMN feedback_submissions.answers
+    IS 'Submitted answers keyed by question and follow-up IDs, stored as a JSON object';
+
+--rollback DROP TABLE IF EXISTS feedback_submissions;