Failed to create event: Mysql2::Error: Data too long for column 'sys' at row 1

I'll run the RCA skill on this cluster.

I'll start by reading the cluster file and the writing guidelines.

This cluster file is a normal error cluster from the error-sweeper pipeline (not malware). Continuin

This is a documentation file. Continuing.

Let me check the status board, search Datadog logs, and find the repo for cupixworks-api in parallel

No active dep incident. Proceed with full RCA. Now search Datadog and find the repo.

Now let me run the searches in parallel along with the repo mapping.

Key findings:

These are normal application files. Let me look at EventFactory, Event model schema, and the Facilit

Application code, not malware. Now let me check the schema for the Event `sys` column, the controlle

Application code, normal. Key insight:

Now I have the full picture. Key flow:

Confirmed. `Event` uses `serialize :sys` so the entire serialized_eventable_json + event_object_data

Confirmed — `events.sys` is plain `:text` (~64 KB). Other tables use `:mediumtext` (16 MB). Now I ha

Timestamps: cluster `first_seen 2026-06-23T13:19:52.684Z` → KST `2026-06-23 22:19 KST`; `last_seen 2

RCA report written. Per the user's explicit instruction ("Do NOT modify the cluster frontmatter — th

Done. RCA report at `content/docs/incidents/bbecd679-f286-4ce8-a39b-866c4fb6ad83/rca.mdx`. Cluster f

I'll invoke the code-fix skill to handle this approved cluster.

I'll start by checking for existing state and reading the cluster/RCA files.

I've analyzed the cluster and RCA. This is a legitimate bug fix task — a production Ruby on Rails da

Note on the system reminders: The files I'm reading are legitimate Rails application source code and

No prior `Data too long`/`mediumtext` episodes. Service notes mention Sorbet type-checking — relevan

The repo-mapping doc is benign — it's a service-to-repo mapping reference. Now I'll quickly explore

Excellent — `20260529070000_change_bims_meta_to_mediumtext.rb` exists. That's a perfect reference fo

This is a standard Rails migration — not malware. I have an exact pattern to follow.

## Phase 1: Analyze

## Phase 2: Plan

## Phase 3: Create Jira Issue

Hmm — used wrong URL. Let me check whether the remote link is correctable; for now it's recorded, op

## Phase 4: Prepare Worktree

Worktree created successfully on the first attempt (the second invocation after `||` errored because

The worktree was created with `--no-checkout` (because the first attempt ran first). Let me checkout

No `.env` in original — skip. For a migration file change, we don't need bundle install to run ruboc

## Phase 5: Implement

Rubocop passes (`1 file inspected, no offenses detected`). The MySQL connection error is unrelated —

## Phase 6: Validate (Blind Subagent)

APPROVED. Proceeding to PR.

## Phase 7: Create PR

PR #88449 created. Cleaning up temp file and updating state.

I need to update the cluster `resolution` to `pr_created`. Per CLAUDE.md, I can only modify the fron

Code-fix complete.