chore: add SQL migration files for production schema

- sql/000_widen_tokens.sql: widen token columns to TEXT, add
  refresh_token_created and access_token_created timestamps
- sql/001_add_api_logs.sql: create api_logs table for request logging

2 files changed, 24 insertions, 0 deletions

diff --git a/sql/000_widen_tokens.sql b/sql/000_widen_tokens.sql
new file mode 100644
index 0000000..ed358b2
--- /dev/null
+++ b/sql/000_widen_tokens.sql
@@ -0,0 +1,10 @@
+-- Widen token columns and add separate timestamps.
+-- Run this before 001_add_api_logs.sql.
+
+-- Widen token columns (JWTs can exceed 255 chars).
+ALTER TABLE account MODIFY refresh_token TEXT DEFAULT NULL;
+ALTER TABLE account MODIFY access_token  TEXT DEFAULT NULL;
+
+-- Add separate created timestamps if they do not exist.
+ALTER TABLE account ADD COLUMN IF NOT EXISTS refresh_token_created TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP;
+ALTER TABLE account ADD COLUMN IF NOT EXISTS access_token_created  TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP;
diff --git a/sql/001_add_api_logs.sql b/sql/001_add_api_logs.sql
new file mode 100644
index 0000000..44c5622
--- /dev/null
+++ b/sql/001_add_api_logs.sql
@@ -0,0 +1,14 @@
+-- Add api_logs table for tracking article API request failures.
+-- Apply to the wikiapiserver database.
+
+CREATE TABLE IF NOT EXISTS api_logs (
+    id               INT NOT NULL AUTO_INCREMENT,
+    created_at       TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP,
+    username         VARCHAR(255) NOT NULL,
+    article_name     VARCHAR(512) NOT NULL,
+    status_code      INT NOT NULL,
+    response_time_ms  INT NOT NULL,
+    error            TEXT DEFAULT NULL,
+    request_url      TEXT NOT NULL,
+    PRIMARY KEY (id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;