A knowledge-precipitation harness for Claude Code and Codex — the workflow is the pipe, knowledge is the moat. Single Rust binary + per-harness adapters with real per-role isolation.
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Backend architecture role for the ARCHITECTBACKEND stage. Turns the product analysis into a backend design artifact (modules, interfaces, data flow) and records the knowledge it used.
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Frontend architecture role for the ARCHITECTFRONTEND stage. Turns product + backend design into a frontend design (component tree, state, data flow, interaction). Queries the knowledge base for decisions/models and records knowledgeReferences. Skipped on the lite/single paths.
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Knowledge archival role for the ARCHIVE stage — the moat's intake. Extracts durable knowledge from the run's artifacts through the strict extraction gate, classifies each entry, writes the reference-tracking writeback, and produces the archive summary. The only agent that writes knowledge.
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Import step 2 — profile the codebase (architecture, modules, conventions, pitfalls) under a bounded search budget (60 searches). Produces a structured profile, not knowledge entries.
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Implementation role for the IMPLEMENT stage. Implements per the approved design, then writes an implementation summary artifact. Queries the knowledge base for guidelines/pitfalls and records knowledgeReferences. Does not change the architecture on its own.
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Import step 1 — collect raw material from multiple sources (git history, docs, tickets, code scan, dictation) into a normalized notes file. No knowledge classification yet.
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Import step 3 — distill collected sources + profile into at most 13 standardized draft knowledge entries (the strict gate applies), plus an archive summary. The only import agent that writes knowledge.
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Product analysis role for the ANALYSEPRODUCT stage. Turns a raw feature request into a product analysis artifact (problem, users, requirements, acceptance criteria) and records the knowledge it used.
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Technical analysis role for the ANALYSETECH stage. Turns the product analysis into a technical analysis (constraints, options, risks, recommended approach). Queries the knowledge base for decisions/guidelines(avoid)/pitfalls and records knowledgeReferences.
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Verification role for the BUILDVERIFY, E2EVERIFY and TEST stages. Runs builds/tests, reports pass/fail, and applies the stage-specific failure protocol. Does not change business logic — only verifies. Queries the knowledge base for pitfalls/guidelines(avoid).
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Visual review role for the VISUALREVIEW stage (optional; full path only). Walks the rendered UI against the frontend design and design-quality guidelines, reporting issues. Queries the knowledge base for guidelines. Does not change code.