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…ipeline, PII tokenizer, feedback collector, observer Enable Apprentice to operate as a drop-in configurable module for watch/learn/suggest scenarios (e.g., copilot mode) in addition to its existing distillation pipeline. Five new components: - plugin_registry: String-keyed factory registries replacing hardcoded enums, enabling extension without code changes. PluginRegistrySet.with_defaults() pre-registers all built-in types. - middleware: Onion-model pipeline (pre in order, post in reverse) with error resilience. Empty pipeline = no-op passthrough for full backward compatibility. - pii_tokenizer: Middleware that replaces PII with ephemeral tokens before model inference and restores originals after. Token registry is in-memory only, never persisted. - feedback_collector: Per-task RLHF+RLAF feedback with append-only JSON-lines persistence. Computes confidence adjustments in [-0.1, +0.1] per task. - observer: Per-task rolling context windows with probabilistic shadow recommendations and match scoring for passive learning mode. Config extensions: mode (distillation|copilot|observer), plugins, middleware, feedback, observer sections — all optional with sensible defaults. Zero impact on existing behavior. 190 new tests (2330 total, 0 failures). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
Test plan
mode: distillationworks identically to current behavior (regression)🤖 Generated with Claude Code