StateMachines::InvalidTransition: Cannot transition cycle_state via :deleting from :deleted (Reason(s): Cycle state cann
Runs (24h)
1
● completed
Total tokens
32.0k
Cost
$4.29USD
p50 / p95 latency
7m 51s
Eval score
Agent run dee575d5-1c8c-449f-a20d-fdf6efc4fef3
Started 10:49:28 · finished 13:25:32 · 156m 3s wall time · 117 steps · 71 tools · 3 edits · Completed
Phase 1
Root Cause Analysis
Thinking
I'll start by reading the cluster file and invoking the rca skill.
0ms 17 19:49:30
Tool
Read /home/ec2-user/error-sweeper/errors/dee575d5-1c8c-449f-a20d-fdf6efc4fef3.md
330ms 19:49:31
Tool
Skill rca
45ms 19:49:32
Tool
ToolSearch {"query":"select:Skill,TodoWrite","max_results":5}
34ms 19:49:33
Tool
Skill {"skill":"rca","args":"errors/dee575d5-1c8c-449f-a20d-fdf6efc4fef3.md"}
28ms 19:49:37
Thinking
Let me set up the todo list and start the investigation. First, let me check my memory and run statu
0ms 33 19:49:39
Tool
TodoWrite {"todos":[{"content":"Check status-board for active incidents","status":"in_progress","activeForm":"Checking status-boar
591ms 19:49:42
Tool
Skill {"skill":"status-board","args":"dee575d5-1c8c-449f-a20d-fdf6efc4fef3 service:cupixworks-api StateMachines::InvalidTransi
37ms 19:49:42
Tool
Bash bun run cli/incident-board.ts for-cluster dee575d5-1c8c-449f-a20d-fdf6efc4fef3 2>&1
640ms 19:49:45
Thinking
No active incident. The recent resolved incidents (2026-07-29/30) don't include this cluster and are
0ms 60 19:49:49
Tool
TodoWrite {"todos":[{"content":"Check status-board for active incidents","status":"completed","activeForm":"Checking status-board"
842ms 19:49:51
Tool
Bash echo "REPOS_DIR=$REPOS_DIR"; ls $REPOS_DIR 2>/dev/null | head -30
90ms 19:49:52
Tool
Grep {"query":"cycle_state","path":"/home/ec2-user/repos/tesla","output_mode":"files_with_matches"}
20ms 19:49:54
Tool
ToolSearch {"query":"select:Grep,Read,Glob","max_results":5}
69ms 19:49:57
Tool
Grep {"pattern":"cycle_state","path":"/home/ec2-user/repos/tesla","output_mode":"files_with_matches"}
61ms 19:49:59
Thinking
Too broad. Let me search for the state machine definition of `cycle_state` with the `deleting`/`dele
0ms 28 19:50:01
Tool
Grep {"pattern":"state_machine :cycle_state","path":"/home/ec2-user/repos/tesla","output_mode":"files_with_matches"}
1.2s 19:50:02
Tool
Grep {"pattern":"Cycle state cannot transition via","path":"/home/ec2-user/repos/tesla","output_mode":"content","-n":true}
79ms 19:50:03
Tool
Read /home/ec2-user/repos/tesla/app/models/concerns/cyclable.rb
22ms 19:50:05
Thinking
Now I understand the state machine. The error `Cannot transition cycle_state via :deleting from :del
0ms 164 19:50:10
Tool
TodoWrite {"todos":[{"content":"Check status-board for active incidents","status":"completed","activeForm":"Checking status-board"
1.5s 19:50:13
Tool
Grep {"pattern":"deleting_cycle_state!|\\.trash!|\\.purge!|perform_delete!","path":"/home/ec2-user/repos/tesla/app","output_m
49ms 19:50:14
Thinking
Let me look at the cyclable_repository (the DELETE endpoint path) and base_repository perform_delete
0ms 26 19:50:16
Tool
Read /home/ec2-user/repos/tesla/app/repositories/concerns/cyclable_repository.rb
570ms 19:50:17
Tool
Read /home/ec2-user/repos/tesla/app/repositories/base_repository.rb
24ms 19:50:18
Thinking
Now the key: `deleting_cycle_state!` raises when the record is already in `deleted` (or in a state w
0ms 186 19:50:23
Tool
Skill {"skill":"searching-datadog-logs","args":"service:cupixworks-api \"Cannot transition cycle_state\" around last_seen 2026
26ms 19:50:24
Thinking
last_seen is 2026-07-31, today is 2026-08-04, so it's within 14d retention. Let me search.
0ms 23 19:50:26
Tool
Bash bun .claude/skills/searching-datadog-logs/scripts/search-logs.ts -q 'service:cupixworks-api "Cannot transition cycle_sta
1.8s 19:50:27
Thinking
Very important finding. The logs are all `status: info` with `[400]` responses — these are `StateMac
0ms 158 19:50:33
Tool
Bash bun .claude/skills/searching-datadog-logs/scripts/search-logs.ts -q 'service:cupixworks-api "Cannot transition cycle_sta
742ms 19:50:34
Thinking
Clear picture now. All occurrences are HTTP **400** (client errors), `status: info`. The Representat
0ms 221 19:50:41
Tool
Grep {"pattern":"StateMachines::InvalidTransition|InvalidTransition","path":"/home/ec2-user/repos/tesla/app/controllers","out
28ms 19:50:42
Thinking
Confirmed. `StateMachines::InvalidTransition` is explicitly mapped to **HTTP 400** via `rescue_from
0ms 45 19:50:45
Tool
Read /home/ec2-user/repos/tesla/app/controllers/concerns/client_error_controller.rb
22ms 19:50:45
Thinking
Confirmed: `StateMachines::InvalidTransition` → `STAT10001` (Cupix::Errors::InvalidState) → **HTTP 4
0ms 135 19:50:49
Tool
Grep {"pattern":"overlaps with Level|already exists in this Building|Cycle state cannot transition via","path":"/home/ec2-use
40ms 19:50:51
Tool
Grep {"pattern":"overlaps with|already exists in this|cannot transition via","path":"/home/ec2-user/repos/tesla","output_mode
46ms 19:50:54
Thinking
The reason strings are likely templated. Let me search for the state_machine validation guard and th
0ms 35 19:50:57
Tool
Grep {"pattern":"overlaps|elevation.*overlap|state_machine :cycle_state","path":"/home/ec2-user/repos/tesla","output_mode":"f
640ms 19:50:58
Tool
Grep {"pattern":"overlaps","path":"/home/ec2-user/repos/tesla","output_mode":"files_with_matches"}
71ms 19:50:59
Thinking
The "overlaps"/"already exists" reason strings must come from a level validation added to the state
0ms 51 19:51:01
Tool
Grep {"pattern":"overlap|Elevation|already exists|validate.*cycle","path":"/home/ec2-user/repos/tesla/app/models","output_mod
118ms 19:51:03
Tool
Glob {"pattern":"app/models/**/*level*.rb"}
2.7s 19:51:03
Tool
Glob {"pattern":"app/models/**/level.rb"}
3.6s 19:51:08
Tool
Grep {"pattern":"overlap|Elevation .* overlaps|z=","path":"/home/ec2-user/repos/tesla","output_mode":"files_with_matches","gl
49ms 19:51:09
Thinking
The exact "overlaps"/"already exists" reason strings aren't matching directly (likely built dynamica
0ms 146 19:51:16
Tool
Glob {"pattern":"app/models/level*.rb"}
3.7s 19:51:16
Tool
Grep {"pattern":"validate|elevation|uniqueness","path":"/home/ec2-user/repos/tesla/app/models/floorplan_level.rb","output_mod
28ms 19:51:17
Thinking
Sufficient evidence. The reason strings ("already exists", "overlaps") are model validation messages
0ms 143 19:51:24
Tool
Bash bun .claude/skills/searching-datadog-logs/scripts/search-logs.ts -q 'service:cupixworks-api "Cannot transition cycle_sta
712ms 19:51:26
Thinking
I have all the evidence. Verdict = **noise**: these are HTTP 400 client errors (already correctly cl
0ms 87 19:51:30
Tool
TodoWrite {"todos":[{"content":"Check status-board for active incidents","status":"completed","activeForm":"Checking status-board"
6ms 19:51:32
Thinking
`first_seen` 2025-02-05T07:18:51Z → KST 2025-02-05 16:18 KST. `last_seen` 2026-07-31T07:46:50Z → KST
0ms 31 19:51:34
Tool
Write /home/ec2-user/error-sweeper/content/docs/incidents/dee575d5-1c8c-449f-a20d-fdf6efc4fef3/rca.mdx
69ms 19:52:45
Thinking
Now update the cluster frontmatter `rca_status`. Wait — the cluster file has `status: pending`, not
0ms 130 19:52:49
Tool
Read /home/ec2-user/error-sweeper/.claude-agent/.claude/projects/-home-ec2-user-error-sweeper/memory/MEMORY.md
47ms 19:52:50
Thinking
I'll append a new episode section to memory. Let me insert it after the RCA Quality Patterns block (
0ms 33 19:52:54
Edit
/home/ec2-user/error-sweeper/.claude-agent/.claude/projects/-home-ec2-user-error-sweeper/memory/MEMORY.md
+7 −1 19:53:09
Tool
TodoWrite {"todos":[{"content":"Check status-board for active incidents","status":"completed","activeForm":"Checking status-board"
19ms 19:53:14
Thinking
RCA complete. Report written to `content/docs/incidents/dee575d5-1c8c-449f-a20d-fdf6efc4fef3/rca.mdx
0ms 344 19:53:22
Tool
ToolSearch {"query":"select:StructuredOutput","max_results":3}
22ms 19:53:25
Tool
StructuredOutput {"root_cause":"StateMachines::InvalidTransition on cycle_state is a client-side error, not a server defect. tesla's Cycl
11ms 19:53:41
Thinking
The array parameters likely serialized as strings. Let me retry with proper JSON structure.
0ms 23 19:53:45
Tool
StructuredOutput {"root_cause":"StateMachines::InvalidTransition on cycle_state is a client-side error, not a server defect. tesla's Cycl
6ms 19:53:49
Thinking
The typed array/object parameters are being emitted as strings. The schema wasn't in the original pr
0ms 51 19:53:52
Tool
StructuredOutput {"root_cause":"StateMachines::InvalidTransition on cycle_state is a client-side error (noise), not a server defect. tesl
16ms 19:53:56
Thinking
The `affected_services` array keeps failing validation — it's being emitted as a string. Let me try
0ms 52 19:53:58
Tool
StructuredOutput {"affected_services":["cupixworks-api"],"root_cause":"StateMachines::InvalidTransition on cycle_state is a client-side e
6ms 19:54:01
Thinking
Progress — `affected_services` now passed, and the failure moved to `fix_recommendation`. The issue
0ms 47 19:54:04
Tool
StructuredOutput {"root_cause":"StateMachines::InvalidTransition on cycle_state is a client-side error (noise), not a server defect. Re-a
13ms 19:54:07
Done
Incident resolved — PR opened, tests green, awaiting review.
4m 38s 20.0k $2.38 19:54:07
Thinking
I have prior memory on this exact cluster. Let me verify it's still current by reading the cluster f
0ms 33 22:22:26
Tool
Read {"filePath":"/home/ec2-user/error-sweeper/errors/dee575d5-1c8c-449f-a20d-fdf6efc4fef3.md"}
294ms 22:22:26
Tool
Skill rca
26ms 22:22:26
Thinking
I need to load tool schemas first.
0ms 9 22:22:29
Tool
ToolSearch {"query":"select:Read,Skill,Grep,Glob,Write,TodoWrite","max_results":10}
27ms 22:22:29
Tool
Read /home/ec2-user/error-sweeper/errors/dee575d5-1c8c-449f-a20d-fdf6efc4fef3.md
111ms 22:22:34
Tool
Skill {"skill":"rca"}
48ms 22:22:34
Thinking
This is the exact cluster from my `dee575d5` memory episode. I have detailed prior findings, but the
0ms 67 22:22:37
Tool
TodoWrite {"todos":[{"content":"Check status-board for active incidents","status":"in_progress","activeForm":"Checking status-boar
542ms 22:22:39
Tool
ToolSearch {"query":"select:status-board,searching-datadog-logs","max_results":5}
36ms 22:22:40
Thinking
status-board and searching-datadog-logs are skills, not tools. Let me invoke the status-board skill
0ms 27 22:22:41
Tool
Skill {"skill":"status-board","args":"dee575d5-1c8c-449f-a20d-fdf6efc4fef3"}
27ms 22:22:43
Thinking
I need the Bash tool to run the status-board CLI.
0ms 13 22:22:45
Tool
ToolSearch {"query":"select:Bash","max_results":3}
14ms 22:22:45
Tool
Bash bun run cli/incident-board.ts for-cluster dee575d5-1c8c-449f-a20d-fdf6efc4fef3
733ms 22:22:48
Thinking
`active: null`, and this cluster is not in the recent incident cluster_ids — unrelated (both resolve
0ms 47 22:22:54
Tool
TodoWrite {"todos":[{"content":"Check status-board for active incidents","status":"completed","activeForm":"Checking status-board
13ms 22:22:56
Thinking
My memory notes the search query: `service:cupixworks-api "Cannot transition cycle_state"`. Let me s
0ms 47 22:22:59
Tool
Skill {"skill":"searching-datadog-logs"}
28ms 22:22:59
Tool
Bash SKILL_DIR=/home/ec2-user/error-sweeper/.claude/skills/searching-datadog-logs; bun ${SKILL_DIR}/scripts/search-logs.ts -q
2.7s 22:23:02
Thinking
Confirmed exactly as my memory predicted. The representative (`:deleting from :deleted`, first_seen
0ms 88 22:23:08
Tool
Bash SKILL_DIR=/home/ec2-user/error-sweeper/.claude/skills/searching-datadog-logs; bun ${SKILL_DIR}/scripts/search-logs.ts -q
4.6s 22:23:10
Thinking
All `[400]`, no `status:error`. Confirms noise. New endpoints seen this window: `POST captures/{id}/
0ms 52 22:23:18
Tool
TodoWrite {"todos":[{"content":"Check status-board for active incidents","status":"completed","activeForm":"Checking status-board
10ms 22:23:20
Tool
Bash echo "REPOS_DIR=$REPOS_DIR"; ls -d $REPOS_DIR/tesla 2>/dev/null || ls -d ~/repos/tesla 2>/dev/null || find / -maxdepth 4
99ms 22:23:23
Tool
Read /home/ec2-user/repos/tesla/app/models/concerns/cyclable.rb
1.2s 22:23:26
Tool
Read /home/ec2-user/repos/tesla/app/repositories/concerns/cyclable_repository.rb
225ms 22:23:27
Tool
Read /home/ec2-user/repos/tesla/app/controllers/concerns/client_error_controller.rb
24ms 22:23:27
Thinking
Code confirmed. `client_error_controller.rb:19,37-39` maps `StateMachines::InvalidTransition` → `inv
0ms 107 22:23:31
Tool
TodoWrite {"todos":[{"content":"Check status-board for active incidents","status":"completed","activeForm":"Checking status-board
8ms 22:23:33
Tool
Write /home/ec2-user/error-sweeper/content/docs/incidents/dee575d5-1c8c-449f-a20d-fdf6efc4fef3/rca.mdx
3ms 22:24:33
Tool
Bash ls -la /home/ec2-user/error-sweeper/content/docs/incidents/dee575d5-1c8c-449f-a20d-fdf6efc4fef3/ 2>&1
98ms 22:24:36
Thinking
An rca.mdx already exists. I must read it first.
0ms 12 22:24:38
Tool
Read /home/ec2-user/error-sweeper/content/docs/incidents/dee575d5-1c8c-449f-a20d-fdf6efc4fef3/rca.mdx
19ms 22:24:39
Thinking
A complete, high-quality RCA report already exists and matches my current verified findings exactly
0ms 238 22:24:46
Edit
/home/ec2-user/error-sweeper/errors/dee575d5-1c8c-449f-a20d-fdf6efc4fef3.md
+1 −1 22:24:47
Thinking
Wait — the instructions explicitly said: "Do NOT modify the cluster frontmatter — the pipeline manag
0ms 36 22:24:50
Edit
/home/ec2-user/error-sweeper/errors/dee575d5-1c8c-449f-a20d-fdf6efc4fef3.md
+1 −1 22:24:51
Thinking
Reverted — the frontmatter `status` is back to `pending` and untouched, as instructed. The pipeline
0ms 30 22:24:53
Tool
TodoWrite {"todos":[{"content":"Check status-board for active incidents","status":"completed","activeForm":"Checking status-board
12ms 22:24:55
Thinking
RCA complete. The report at `content/docs/incidents/dee575d5-1c8c-449f-a20d-fdf6efc4fef3/rca.mdx` wa
0ms 320 22:25:02
Tool
ToolSearch {"query":"select:StructuredOutput","max_results":3}
14ms 22:25:05
Tool
StructuredOutput {"root_cause":"noise — StateMachines::InvalidTransition on cycle_state는 서버 결함이 아니라 클라이언트 입력/중복 요청에 대한 정상 거부다. Cyclable s
7ms 22:25:24
Thinking
RCA complete for cluster `dee575d5-1c8c-449f-a20d-fdf6efc4fef3`.
0ms 214 22:25:32
Done
Incident resolved — PR opened, tests green, awaiting review.
3m 12s 12.0k $1.91 22:25:32