Files
multica/server/internal/daemon
LinYushen 265d1854c9 fix(daemon): add fallback for failed session resume (#818)
* fix(daemon): add fallback for failed session resume

When the daemon tries to resume a prior session (--resume flag for
Claude, --session for OpenCode, session/resume RPC for Hermes) and the
session no longer exists, the agent fails immediately. This adds a
fallback that retries the execution with a fresh session instead of
marking the task as blocked.

Extracts the execute+drain logic into a reusable executeAndDrain method
to avoid code duplication between the initial attempt and the retry.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix(daemon): narrow session resume retry and merge usage

Address review feedback:
1. Narrow retry trigger: only retry when result.SessionID == "" (no
   session was established), not on any failure with PriorSessionID set
2. Merge token usage from both attempts so billing is accurate
3. Log errors when the retry itself fails to start
4. Add unit tests for mergeUsage, fallback behavior, and no-retry
   when session was already established

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-13 14:47:24 +08:00
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