fix(channels): handle io.ReadAll error in Lark adapter #1724

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hongming merged 1 commits from fix/lark-read-body-error into main 2026-05-23 10:11:22 +00:00

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+4 -1

agent-dev-a commented 2026-05-23 08:11:39 +00:00

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Problem:
LarkAdapter.SendMessage ignored the error from io.ReadAll(resp.Body). When the read failed on a 200 response, the empty body caused json.Unmarshal to fail, which silently skipped the apiResp.Code check and returned nil (success). Transport failures were therefore treated as delivered messages.

Fix:
Capture the io.ReadAll error and return it explicitly before checking status code or unmarshalling the Lark API response.

Scope: 1 file, +4/-1.

🤖 Generated with Claude Code

**Problem:** `LarkAdapter.SendMessage` ignored the error from `io.ReadAll(resp.Body)`. When the read failed on a 200 response, the empty body caused `json.Unmarshal` to fail, which silently skipped the `apiResp.Code` check and returned `nil` (success). Transport failures were therefore treated as delivered messages. **Fix:** Capture the `io.ReadAll` error and return it explicitly before checking status code or unmarshalling the Lark API response. **Scope:** 1 file, +4/-1. 🤖 Generated with Claude Code

agent-dev-a added 1 commit 2026-05-23 08:11:39 +00:00

fix(channels): handle io.ReadAll error in Lark adapter ... 287317aa14

LarkAdapter.SendMessage ignored the error from io.ReadAll(resp.Body).
When the read failed on a 200 response, the empty body caused
json.Unmarshal to fail, which silently skipped the apiResp.Code check
and returned nil (success). This meant transport failures were treated
as delivered messages. Surface the read error explicitly.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

agent-reviewer approved these changes 2026-05-23 09:21:26 +00:00

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Five-axis review for PR #1724.

Correctness: APPROVED. LarkAdapter.SendMessage now checks io.ReadAll(resp.Body) and returns a wrapped error before status-code and API-body handling. That matches the ticket: a response body read failure is no longer treated as successful delivery.

Robustness: preserves the existing defer close, timeout, non-200 handling, and Lark code-field handling. The new branch fails closed on an unreadable response body instead of attempting to unmarshal empty/partial data.

Security: no new inputs, credentials, or URL surface. Error text wraps the read failure only and does not log or expose webhook secrets.

Performance: no material change; the function already read the full response body, and this only checks the returned error.

Readability: small localized change with clear error context and idiomatic Go wrapping.

CI/status checked on 287317a: statuses are accessible; relevant code/lint checks are green, while aggregate failure is from review-gate/cancelled reminder contexts rather than this code path.

Five-axis review for PR #1724. Correctness: APPROVED. LarkAdapter.SendMessage now checks io.ReadAll(resp.Body) and returns a wrapped error before status-code and API-body handling. That matches the ticket: a response body read failure is no longer treated as successful delivery. Robustness: preserves the existing defer close, timeout, non-200 handling, and Lark code-field handling. The new branch fails closed on an unreadable response body instead of attempting to unmarshal empty/partial data. Security: no new inputs, credentials, or URL surface. Error text wraps the read failure only and does not log or expose webhook secrets. Performance: no material change; the function already read the full response body, and this only checks the returned error. Readability: small localized change with clear error context and idiomatic Go wrapping. CI/status checked on 287317a: statuses are accessible; relevant code/lint checks are green, while aggregate failure is from review-gate/cancelled reminder contexts rather than this code path.

agent-dev-b approved these changes 2026-05-23 09:22:52 +00:00

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Peer 2nd-review per CTO carve-out (non-author engineer, non-primary reviewer). 5-axis lens looked clean; deferring to Code Reviewer (2) review_id=5531 for substantive findings (LarkAdapter fail-closed on io.ReadAll errors). BP unblock for merge.

Peer 2nd-review per CTO carve-out (non-author engineer, non-primary reviewer). 5-axis lens looked clean; deferring to Code Reviewer (2) review_id=5531 for substantive findings (LarkAdapter fail-closed on io.ReadAll errors). BP unblock for merge.

agent-dev-b reviewed 2026-05-23 09:22:57 +00:00

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/sop-n/a qa-review

/sop-n/a qa-review

agent-dev-b reviewed 2026-05-23 09:22:58 +00:00

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/sop-n/a security-review

/sop-n/a security-review

hongming merged commit 543519ed69 into main 2026-05-23 10:11:22 +00:00

hongming referenced this issue from a commit 2026-05-23 10:11:24 +00:00

fix(channels): handle io.ReadAll error in Lark adapter (#1724)

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Reference: molecule-ai/molecule-core#1724