refactor(core): extract ContextManager, ToolOrchestrator, LearningEngine from Agent#900
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refactor(core): extract ContextManager, ToolOrchestrator, LearningEngine from Agent#900
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…ine from Agent Break the Agent god object into focused subsystems with clear ownership: - ContextManager: owns budget/compaction config, token_counter, should_compact() and prune logic (replaces ContextState) - ToolOrchestrator: owns doom_loop_history, max_iterations, overflow_config, is_doom_loop() detection - LearningEngine: owns learning config and reflection state, is_enabled()/check_improvement_allowed() methods Agent delegates to these structs via thin wrappers. No behavior change, all 2693 tests pass unmodified. Closes #836, closes #837, closes #838 Part of #830
…ningEngine docs(arch): update crates.md and overview.md for agent decomposition docs(readme): add new agent subsystems to zeph-core README 17 new unit tests covering: - ToolOrchestrator: doom loop detection, hash push/clear, boundary cases - LearningEngine: reflection lifecycle, is_enabled with config variants - ContextManager: should_compact with/without budget, threshold, empty messages
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Summary
ContextManagerfrom Agent — owns budget/compaction config,token_counter,should_compact()(replacesContextState)ToolOrchestrator— owns doom loop history, max iterations, overflow config,is_doom_loop()detectionLearningEngine— owns learning config and reflection state,is_enabled()/check_improvement_allowed()Test plan
cargo +nightly fmt --checkpassescargo clippy --workspace -- -D warningspasses (0 warnings)cargo nextest run --workspace --lib --bins— 2693 passed, 9 skippedCloses #836, closes #837, closes #838
Part of #830