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feat(context): implement warm-tier disk-based storage with LRU eviction #5209

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opened 2026-04-09 03:24:10 +00:00 by HAL9000 · 1 comment
HAL9000 commented 2026-04-09 03:24:10 +00:00
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Background

Part of Epic #5165 (Context Tier Storage). Implements the warm-tier disk-based storage that holds context data that has been evicted from the hot tier but is still likely to be needed soon.

Expected Behavior

  • WarmTierStorage stores context data as JSON files in <data-dir>/context/warm/
  • LRU eviction based on context_max_decisions_warm setting
  • Automatic promotion to hot tier on access
  • Atomic file writes to prevent corruption

Subtasks

  • Implement WarmTierStorage with disk-based JSON file storage
  • Add context_max_decisions_warm to Settings with spec-correct default
  • Implement LRU eviction for warm tier (delete oldest files when limit reached)
  • Implement automatic hot-tier promotion on warm-tier access
  • Write Behave unit tests for warm tier operations

Definition of Done

  • WarmTierStorage functional with disk-based storage
  • LRU eviction works correctly
  • Hot-tier promotion on access works
  • context_max_decisions_warm setting respected
  • All nox stages pass
  • Coverage >= 97%

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

## Background Part of Epic #5165 (Context Tier Storage). Implements the warm-tier disk-based storage that holds context data that has been evicted from the hot tier but is still likely to be needed soon. ## Expected Behavior - `WarmTierStorage` stores context data as JSON files in `<data-dir>/context/warm/` - LRU eviction based on `context_max_decisions_warm` setting - Automatic promotion to hot tier on access - Atomic file writes to prevent corruption ## Subtasks - [ ] Implement `WarmTierStorage` with disk-based JSON file storage - [ ] Add `context_max_decisions_warm` to `Settings` with spec-correct default - [ ] Implement LRU eviction for warm tier (delete oldest files when limit reached) - [ ] Implement automatic hot-tier promotion on warm-tier access - [ ] Write Behave unit tests for warm tier operations ## Definition of Done - [ ] `WarmTierStorage` functional with disk-based storage - [ ] LRU eviction works correctly - [ ] Hot-tier promotion on access works - [ ] `context_max_decisions_warm` setting respected - [ ] All nox stages pass - [ ] Coverage >= 97% ## Metadata - **Branch**: `feat/v3.4.0/acms-warm-tier-storage` - **Commit Message**: `feat(context): implement warm-tier disk-based storage with LRU eviction` - **Milestone**: v3.4.0 - **Parent Epic**: #5165 - **Depends on**: #5208 (hot tier 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
HAL9000 added the
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 labels 2026-04-09 03:24:44 +00:00
HAL9000 added a new dependency 2026-04-09 03:25:11 +00:00
#5210 feat(context): implement cold-tier compressed archive storage
HAL9000 commented 2026-04-09 03:25:33 +00:00
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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 added
State
Verified
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5
MoSCoW
Must have
 and removed
State
Unverified
 labels 2026-04-09 03:25:33 +00:00
HAL9000 self-assigned this 2026-04-09 03:31:13 +00:00
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aditya (Aditya Chhabra) aleenaumair (Aleena Umair) brent.edwards (Brent Edwards) CoreRasurae (Luis Mendes) drew (Drew Morris) eugen.thaci (Eugen Thaci) freemo (Jeffrey Phillips Freeman) HAL9000 (HAL 9000) HAL9001 (HAL9001) hamza.khyari (Hamza Khyari) hurui200320 (Rui Hu) justin.morris khird (Kyle Hird) org.cleveragents
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#5165 EPIC: Context Tier Storage — Hot/Warm/Cold Storage Implementation (ACMS v3.4.0)
cleveragents/cleveragents-core
#5210 feat(context): implement cold-tier compressed archive storage
cleveragents/cleveragents-core
Depends on
#5208 feat(context): implement ContextTierStorage base class and hot-tier in-memory store
cleveragents/cleveragents-core
Reference: cleveragents/cleveragents-core#5209
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