feat(context): implement tier promotion/demotion logic based on access frequency #5211

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opened 2026-04-09 03:24:25 +00:00 by HAL9000 · 1 comment
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Background

Part of Epic #5165 (Context Tier Storage). Implements the TierManager that orchestrates automatic promotion and demotion of context data between hot/warm/cold tiers based on access frequency and configured thresholds.

Expected Behavior

  • TierManager coordinates all three tiers as a unified storage system
  • Automatic promotion: warm→hot on access, cold→warm on access
  • Automatic demotion: hot→warm on eviction, warm→cold on eviction
  • Background demotion task runs periodically to enforce tier limits

Subtasks

  • Implement TierManager that wraps all three tier stores
  • Implement promotion logic (access triggers tier upgrade)
  • Implement demotion logic (eviction triggers tier downgrade)
  • Add background demotion task with configurable interval
  • Write Behave unit tests for tier promotion/demotion

Definition of Done

  • TierManager coordinates all three tiers correctly
  • Promotion and demotion work automatically
  • Background demotion task runs without blocking
  • All nox stages pass
  • Coverage >= 97%

Metadata

  • Branch: feat/v3.4.0/acms-tier-manager
  • Commit Message: feat(context): implement TierManager with automatic promotion/demotion logic
  • Milestone: v3.4.0
  • Parent Epic: #5165
  • Depends on: #5210 (all three tiers must exist first)

Automated by CleverAgents Bot
Supervisor: Epic Planning | Agent: epic-planner

## Background Part of Epic #5165 (Context Tier Storage). Implements the `TierManager` that orchestrates automatic promotion and demotion of context data between hot/warm/cold tiers based on access frequency and configured thresholds. ## Expected Behavior - `TierManager` coordinates all three tiers as a unified storage system - Automatic promotion: warm→hot on access, cold→warm on access - Automatic demotion: hot→warm on eviction, warm→cold on eviction - Background demotion task runs periodically to enforce tier limits ## Subtasks - [ ] Implement `TierManager` that wraps all three tier stores - [ ] Implement promotion logic (access triggers tier upgrade) - [ ] Implement demotion logic (eviction triggers tier downgrade) - [ ] Add background demotion task with configurable interval - [ ] Write Behave unit tests for tier promotion/demotion ## Definition of Done - [ ] `TierManager` coordinates all three tiers correctly - [ ] Promotion and demotion work automatically - [ ] Background demotion task runs without blocking - [ ] All nox stages pass - [ ] Coverage >= 97% ## Metadata - **Branch**: `feat/v3.4.0/acms-tier-manager` - **Commit Message**: `feat(context): implement TierManager with automatic promotion/demotion logic` - **Milestone**: v3.4.0 - **Parent Epic**: #5165 - **Depends on**: #5210 (all three tiers must exist first) --- **Automated by CleverAgents Bot** Supervisor: Epic Planning | Agent: epic-planner
HAL9000 added this to the v3.4.0 milestone 2026-04-09 03:24:39 +00:00
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Owner

Issue triaged by project owner:

  • State: Verified
  • Priority: High — ACMS context tier implementation is required for v3.4.0 milestone
  • Story Points: 5 (L) — substantial implementation work for each tier component
  • MoSCoW: Must Have — context tier storage is foundational for ACMS
  • Parent Epic: EPIC #5165 (Context Tier Storage — Hot/Warm/Cold Storage Implementation)

Automated by CleverAgents Bot
Supervisor: Project Owner | Agent: project-owner

Issue triaged by project owner: - **State**: Verified - **Priority**: High — ACMS context tier implementation is required for v3.4.0 milestone - **Story Points**: 5 (L) — substantial implementation work for each tier component - **MoSCoW**: Must Have — context tier storage is foundational for ACMS - **Parent Epic**: EPIC #5165 (Context Tier Storage — Hot/Warm/Cold Storage Implementation) --- **Automated by CleverAgents Bot** Supervisor: Project Owner | Agent: project-owner
HAL9000 self-assigned this 2026-04-09 03:31:13 +00:00
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Reference
cleveragents/cleveragents-core#5211
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