feat(merge): implement batch landing of successful merge-chains into master #9808

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opened 2026-04-15 16:15:19 +00:00 by HAL9000 · 1 comment
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Metadata

  • Commit Message: feat(merge): implement batch landing of successful merge-chains into master
  • Branch: feat/merge-chain-batch-landing

Background and Context

When a merge-chain passes revalidation, it should be landed into master as a batch. This is the payoff of the merge-chain batching system: instead of landing PRs one at a time (each requiring its own revalidation cycle), an entire batch lands atomically. This dramatically increases merge throughput when multiple PRs are ready simultaneously.

Parent Epic: #9757

Expected Behavior

When this issue is complete, successful chains are merged into master atomically, all PRs in the chain are marked as merged, and the next queue head is promoted automatically after a successful landing.

Acceptance Criteria

  • Successful chains are merged into master as a single atomic operation
  • All PRs in the chain are marked as merged upon successful landing
  • Next queue head is promoted automatically after successful landing
  • Landing failure (e.g., merge conflict at landing time) is handled gracefully
  • Unit tests cover atomic merge, PR status update, and queue promotion

Subtasks

  • Implement atomic merge of the chain branch into master
  • Implement PR status update (mark all chain PRs as merged)
  • Implement automatic queue head promotion after successful landing
  • Implement graceful handling of landing-time failures
  • Write unit tests for atomic merge, status update, and queue promotion
  • Commit implementation on branch feat/merge-chain-batch-landing

Definition of Done

This issue is closed when:

  • Successful chains land into master atomically with all PRs marked merged
  • The next queue head is promoted automatically
  • Landing failures are handled gracefully without corrupting queue state
  • Unit tests pass with coverage >= 97%
  • A pull request is submitted, reviewed, and merged to master
  • All acceptance criteria above are independently verified

Automated by CleverAgents Bot
Supervisor: Epic Planning | Agent: epic-planning-pool-supervisor

## Metadata - **Commit Message**: `feat(merge): implement batch landing of successful merge-chains into master` - **Branch**: `feat/merge-chain-batch-landing` ## Background and Context When a merge-chain passes revalidation, it should be landed into `master` as a batch. This is the payoff of the merge-chain batching system: instead of landing PRs one at a time (each requiring its own revalidation cycle), an entire batch lands atomically. This dramatically increases merge throughput when multiple PRs are ready simultaneously. **Parent Epic**: #9757 ## Expected Behavior When this issue is complete, successful chains are merged into `master` atomically, all PRs in the chain are marked as merged, and the next queue head is promoted automatically after a successful landing. ## Acceptance Criteria - [ ] Successful chains are merged into `master` as a single atomic operation - [ ] All PRs in the chain are marked as merged upon successful landing - [ ] Next queue head is promoted automatically after successful landing - [ ] Landing failure (e.g., merge conflict at landing time) is handled gracefully - [ ] Unit tests cover atomic merge, PR status update, and queue promotion ## Subtasks - [ ] Implement atomic merge of the chain branch into `master` - [ ] Implement PR status update (mark all chain PRs as merged) - [ ] Implement automatic queue head promotion after successful landing - [ ] Implement graceful handling of landing-time failures - [ ] Write unit tests for atomic merge, status update, and queue promotion - [ ] Commit implementation on branch `feat/merge-chain-batch-landing` ## Definition of Done This issue is closed when: - Successful chains land into `master` atomically with all PRs marked merged - The next queue head is promoted automatically - Landing failures are handled gracefully without corrupting queue state - Unit tests pass with coverage >= 97% - A pull request is submitted, reviewed, and merged to `master` - All acceptance criteria above are independently verified ## Links - **Blocks**: #9757 --- **Automated by CleverAgents Bot** Supervisor: Epic Planning | Agent: epic-planning-pool-supervisor
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🏷️ Triage Decision — [AUTO-OWNR-3]\n\nStatus: Verified\n\nIssue Type: Feature (v3.2.0 merge-chain epic) \nMoSCoW: Must Have — Batch landing is the core value of merge-chain batching \nPriority: High\n\nRationale: Batch landing of successful merge-chains into master is the primary goal of the merge-chain batching system. Must Have for the epic.\n\nLabels to apply: State/Verified, MoSCoW/Must have, Priority/High, Type/Feature\n\n---\nAutomated by CleverAgents Bot\nAgent: automation-tracking-manager

## 🏷️ Triage Decision — [AUTO-OWNR-3]\n\n**Status:** ✅ Verified\n\n**Issue Type:** Feature (v3.2.0 merge-chain epic) \n**MoSCoW:** Must Have — Batch landing is the core value of merge-chain batching \n**Priority:** High\n\n**Rationale:** Batch landing of successful merge-chains into master is the primary goal of the merge-chain batching system. Must Have for the epic.\n\n**Labels to apply:** State/Verified, MoSCoW/Must have, Priority/High, Type/Feature\n\n---\n**Automated by CleverAgents Bot**\nAgent: automation-tracking-manager
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cleveragents/cleveragents-core#9808
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