# Active slice

```text
Slice: DFG-22 deterministic incremental adapter assembly
Goal: Let language frontends cache repeated raw source evidence while publishing one deterministic graph without maintaining a second project-owned extraction cache.
In scope: Optional generic assembly contract; cached contribution assembly; manifest-bound identity checks; final Logic ownership checks; overlapping-evidence tests; incremental documentation and onboarding guidance.
Out of scope: Language-specific merge rules; bundled C++, Rust, Java, or other frontends; changes to the default unique-ownership path; hidden source reads during assembly; project-owned cache formats; source mutation; deployment or publication.
Done when: An adapter can cache overlapping source contributions, deterministically assemble one valid node, reuse the warm cache, reparse only one changed source, preserve the selected published fact, pass full/incremental equivalence, and the complete DocForge quality gate passes.
Owners: DocForge owns cached contribution delivery, the optional assembly boundary, identity validation, and final graph validation. The adapter owns deterministic evidence selection and merge semantics. Canonical source files remain authoritative.
Proof: The focused adapter and onboarding suite passed 14 tests. Strict Pyright passed with no errors or warnings. Ruff lint and formatting, Python compilation, and the HTML/CSS/JavaScript quality gate passed. The complete warning-strict suite passed 82 tests and 2 subtests. The overlap fixture cached two source contributions, published one deterministic node, reused both warm entries, reparsed only one changed source, preserved the selected node, and passed full/incremental equivalence.
```

**Next gate:** Prove Worldforge's C++ integration against the generic incremental and assembly
contracts. Extract a reusable language frontend only after a second consumer demonstrates which
behavior is genuinely shared.