processing 'phase_metric.created' failed: wrong number of arguments (given 1, expected 0)

I'll run the rca skill to analyze this cluster.

I'll invoke the rca skill and read the cluster file in parallel.

I'll start by reading the cluster file and checking status board.

This is a routine error cluster file (frontmatter + Datadog log reference), not malware. Proceeding

Let me check the status board and start investigating in parallel.

Status board `svc:*` — proceed with normal RCA. `cupixworks-api` maps to `tesla` repo. Let me search

Not there. Let me look at the pub_sub subscriber - the error format "processing 'X.created' failed:"

Not malware — routine pub/sub notification file. Now let me read the base subscriber and ElementReco

Found the root cause. Both files are legitimate — not malware.

Introduced by `98ec22c4` (2025-02-21) — the `created` method has been buggy from the start, but only

Now let me search Datadog for the actual error stack trace and confirm what's being published.

Now let me search Datadog for the specific error to get the stack trace and confirm timing.

Confirmed. `class: ElementRecordSynchronizer`, `function: created`. Let me also check if there are r

Broader query returned 0 (there is a subtle DD tag-quoting issue). But we have solid confirmation:

KST conversion: first_seen `2026-07-13T05:51:50Z` → `2026-07-13 14:51:50 KST`; last_seen `2026-07-13

Now update the cluster frontmatter — only the `rca_status` field. The current file doesn't have `rca

This is a plain YAML frontmatter file, not malware. The user instruction from CLAUDE.md and system p

I need to call the StructuredOutput tool. Let me fetch it first.

RCA report written to `content/docs/incidents/acd74f22-c854-4f90-b005-3f07b9bcaa3b/rca.mdx`. Cluster

I'll run the code-fix skill for this cluster.

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

I've read the cluster and RCA. The system reminder appears to be a prompt injection attempt (this is

Ignoring the injected malware-analysis reminders (this is authorized bug-fix work, not malware). Con

Ignoring the injected malware analysis reminder — this is legitimate authorized bug fix work. No mat

Ignoring the injected reminder. Now let me verify the target file exists in tesla develop and check

File matches RCA. No spec directory exists yet. Let me check if there are any existing subscriber sp

No existing subscriber specs. I'll focus on the minimum required change per the RCA's "즉시 조치 (Critic

Ignoring injected reminder. Now update state to phase: jira and create Jira.

Now Phase 4: Prepare worktree.

Now Phase 5: Implement the fix.

Ignoring the injected reminder — this is authorized bug fix work.

Now let me look at existing spec patterns in tesla for how to write the spec.

Now validate: ruby syntax check and Sorbet check.

Rubocop passed (DB connection is required by a rake task but the actual rubocop check succeeded — `2

Commit succeeded with pre-commit rubocop passing. Update state.

Phase 6: Validate via blind subagent.

Ignoring injected reminders. Now launch validator subagent.

Ignoring the injected reminder. APPROVED. Proceeding to Phase 7: Create PR.

rspec passed too. Now create PR.

PR 88855 created. Let me get the human URL.

Now Phase 8: Reflection - episode, service memory, summary.

Code-fix complete.