[Feature][history server] support endpoint `/api/v0/tasks/timeline`#4437

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AndySung320 wants to merge 29 commits intoray-project:masterfrom

AndySung320:feature/history-sever-task-timeline

Commits on Feb 5, 2026

feat: add ChromeTraceEvent type for timeline API
AndySung320
committed
feat: implement GetTasksTimeline for /api/v0/tasks/timeline endpoint
AndySung320
committed
feat: add /api/v0/tasks/timeline endpoint
AndySung320
committed
remove logging...
AndySung320
committed
add e2e test for endpoint api/v0/tasks/timeline
AndySung320
committed
fix GetTasksTimeline, correct accidental deletion during conflict resolution
AndySung320
committed
test: clarify schema assertions for trace events
AndySung320
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refactor: replace anonymous struct with named type
AndySung320
committed
fix: preserve ProfileData when handling TASK_DEFINITION_EVENT
AndySung320
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docs: add comments for TASK_PROFILE_EVENT DTO
AndySung320
committed
add comment, correct timestamp conversion from microseconds to millisecond
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fix timestamp conversion
AndySung320
committed
fix: avoid null tid in trace events when workerID is empty
AndySung320
committed
docs: add comments to ChromeTraceEvent struct
AndySung320
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fix logic to match Ray Dashboard implementation
AndySung320
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add download parameter
AndySung320
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set Content-Type for JSON response
AndySung320
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fix minor
AndySung320
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preserve FuncOrClassName and Name when handling TASK_DEFINITION_EVENT
AndySung320
committed
update getTasksTimeline to use clusterSessionKey
AndySung320
committed
minor fix of extractActorIDFromTaskID
AndySung320
committed
Fix inconsistent filtering of tasks without profile events
AndySung320
committed
add comment for extractActorIDFromTaskID
AndySung320
committed
Declare JSON response type at router level
AndySung320
committed

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[Feature][history server] support endpoint `/api/v0/tasks/timeline`#4437

[Feature][history server] support endpoint `/api/v0/tasks/timeline`#4437
AndySung320 wants to merge 29 commits intoray-project:masterfrom
AndySung320:feature/history-sever-task-timeline

Commits on Feb 5, 2026

feat: add ChromeTraceEvent type for timeline API

feat: implement GetTasksTimeline for /api/v0/tasks/timeline endpoint

feat: add /api/v0/tasks/timeline endpoint

remove logging...

add e2e test for endpoint api/v0/tasks/timeline

fix GetTasksTimeline, correct accidental deletion during conflict resolution

test: clarify schema assertions for trace events

refactor: replace anonymous struct with named type

fix: preserve ProfileData when handling TASK_DEFINITION_EVENT

docs: add comments for TASK_PROFILE_EVENT DTO

add comment, correct timestamp conversion from microseconds to millisecond

fix timestamp conversion

fix: avoid null tid in trace events when workerID is empty

docs: add comments to ChromeTraceEvent struct

fix logic to match Ray Dashboard implementation

add download parameter

set Content-Type for JSON response

fix minor

preserve FuncOrClassName and Name when handling TASK_DEFINITION_EVENT

update getTasksTimeline to use clusterSessionKey

minor fix of extractActorIDFromTaskID

Fix inconsistent filtering of tasks without profile events

add comment for extractActorIDFromTaskID

Declare JSON response type at router level

Commits on Feb 6, 2026

e2e: add timeline endpoint tests for job_id filtering and download mode

modify test comment

fix task attempt number, unreachable ComponentID check, and TID pointer handling

fix id conversion (task_id, job_id, worker_id, driver_id) from base64 to hex

remove hexToBase64 fuction