fix: Fix session race condition killing active agents and retry loop

[charlesvien]

Problem

Fix session race condition killing active agents and retry loop.

Changes

1. Scope process cleanup to the current taskRunId instead of killing all agent/child processes for the task
2. Clear initialPrompt on session error to prevent retry loops

How did you test this?

Manually

[charlesvien]

• fix: Skip session resume when JSONL hydration finds no conversation #1628
• fix: Fix session race condition killing active agents and retry loop #1627 👈 (View in Graphite)
• fix: First session nits (read desc) #1626
• main

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[adboio]

is this possibly related to my poorly written issue here? #1602

[charlesvien]

Merge activity

• Apr 14, 2:28 AM UTC: @charlesvien merged this pull request with Graphite.