[jburrow]

Phase 8 of the test plan: generated corpora shaped like real repositories for the import-graph oracle, and baselines turned into a list of documented gaps.

Generated layouts

• scripts/graph-oracle/layouts.py (grimp): monorepo (services and libraries side by side, each a project with its own src/ and pyproject.toml), root-init (root folder is a package, run with the root on sys.path, .git present), namespace (a PEP 420 package split over src/ and plugins/src/). Writes oracle.env telling the oracle what is on sys.path.
• scripts/graph-oracle/ts_layouts.mjs (TypeScript): npm workspaces installed as symlinks, tsconfig.base.json paths that each project extends, an app alias, barrels, .mts/.cts, import type, import(), require, JSON, plus the unhandled forms on purpose (#imports, exports subpath, folder package.json main).

Results (seed 1): root-init 468/468; TS workspaces 388/390 (one #name, one exports subpath); monorepo 368/698, namespace 98/162 — every miss is an import into another sys.path folder (another project's src/, or the other portion of a namespace package), the documented "other sys.path entries" gap. No extra edges anywhere.

Known gaps instead of counts

benches/graph/known_gaps.toml lists every edge fcs misses or draws wrongly on each CI corpus (Django, deep trees, Vite, the layouts), with the graph-support row it is and its exact count. graph_oracle --gaps FILE --corpus NAME fails on an edge that fits no gap (a bug, or a gap to document) and on a count that changed (a fix: lower or remove the gap). Vite's --max-missing 7 --max-extra 1 becomes 4 #name, 2 folder main, and one ./x.js where x.ts also exists (plus its extra side).

Oracle

src/check/oracle/py.py builds one graph across ROOT and ROOT/src (so imports between them are compared), plus FCS_ORACLE_PY_PATHS / FCS_ORACLE_PY_NAMESPACES. Django unchanged: 3,041 of 3,041.

Docs: graph-support page (namespace packages row, monorepo note, .js/.ts tie, checked-corpora table), testing page, CHANGELOG.

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