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review · segments

Implement Phase 1 cache-strategy resolver + cost fields

pi 110 events 1 segments

segment 1 of 1

Implement Phase 1 deliverables D1-D5 for cache-strategy resolver and cost fields

Done

The agent read the spec (scratchpad 884) and current code files, then edited cream/core.py (bumped SCAN_CACHE_VERSION to 3, added cost fields to UsageRecord/ModelUsage/SessionSummary, added source_is_active, float_value, model_usage_key helpers, updated get_model_usage/record_model_assistant_turn/record_model_usage to take provider argument, updated to_json and cache serialization), cream/cache_strategies.py (added resolve, strategy functions, apply_cache_strategy), providers/claude.py (updated call sites and cost accumulation), providers/codex.py (updated call sites and cost accumulation), cli.py (changed default cache path and used source_is_active), and CLAUDE.md (updated scan-cache version). The agent also wrote tests/test_cache_strategy_resolver.py with 4 tests proving provider-keyed routing. All 13 tests passed (9 existing + 4 new), JSON envelope and cost fields verified, swift build clean, Python 3.9.6 import OK. The agent then wrote findings scratchpad and posted a READY comment.

outcome

Phase 1 complete with 13 tests passing, SCAN_CACHE_VERSION=3, cost fields in JSON output, provider-keyed cache strategy dispatch, and a new test file for the resolver.

next steps

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key decisions

  • ModelUsage.model stays the bare model name; composite provider/model is only the dict lookup key
  • ModelUsage gains provider field (default empty string)
  • source_is_active(source, status) replaces inline provider-specific checks (behavior-preserving in Phase 1)
  • resolve routing is provider-keyed: anthropic -> anthropic_ephemeral, openai/openrouter -> empirical_dropoff, else unknown
  • cost fields default to 0.0 and are populated from source 'cost' payload where available (no fabrication)
  • scan cache version bumped 2->3, default path changed to scan-cache-v3.json
  • Claude/Codex loaders left on direct infer calls; Phase 2 wires the dispatch

open questions

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2 weeks ago → 2 weeks ago