The normative contract between core and an installed module: the `ctx` handed
to a module's entry point, the `register*` calls, the client-side registry and
shared-dependency global, the schema-fragment rules, and the loader's
validation and failure obligations. Every member is derived from what the UO
code actually imports today, re-read against the working tree.
Part 6 records four places the survey contradicted MODULE_SYSTEM.md:
• OpenAPI generation is STATIC analysis (swagger-autogen parses app.js as
text), unlike routeManifest.js which walks the live Express stack. A
filesystem-scanning loader is invisible to it, so module routes would be
silently absent from swagger-output.json. Three options, one recommended;
needs a decision before Phase 2.
• The client contract is much larger than §2.1 implies — the atlas pages
import five core modules beyond React, so the plan needs a curated UI kit
and a request primitive on window.__rg.
• shardVisibility is module-owned and the atlas depends on it, so the spike
carries it; two copies coexist during the spike by design.
• Two counts corrected: 27 UO tables (not 25), 6 atlas routes (not 5).
MODULE_SYSTEM.md gains a pointer to the contract and the corrected table count.
Co-Authored-By: Claude <noreply@anthropic.com>
wtclaude
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